| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 126299000 | STOVE HOODS | 66 |
| 20130087135 | BUILT-IN RETRACTABLE VENTILATION HOOD ASSEMBLY - A built-in ventilation hood assembly for air exhausting is disclosed. An example built-in ventilation hood assembly may comprise a housing and a retractable hood unit configured to be slidably mounted within the housing. The retractable hood unit may comprise at least one air intake into which air is drawn. The built-in ventilation hood assembly may further comprise a driving unit configured to slide the retractable hood unit out from the housing or slide the retractable hood unit in to the housing, and a ventilation unit being installed within the housing and configured to draw air in through the at least one air intake. | 04-11-2013 |
| 20110214664 | EXTRACTOR HOOD - An extractor hood ( | 09-08-2011 |
| 20090288655 | GREASE FILTER ASSEMBLY FOR - A grease filter assembly for use in a range hood to remove airborne grease is disclosed to include an air deflector with guide rollers and grille, a roll of grease filter mounted in a filter supply chamber at the air deflector with one end of the grease filter extending out of the filter supply chamber over the grilles and the guide rollers into a waste filter collecting chamber, and a motor mounted in the air deflector and controllable to transfer the grease filter into the waste grease collecting chamber by means of a sheet-transfer cylinder and an impression cylinder. | 11-26-2009 |
| 20080302352 | Exhaust Hood and Method of Mounting Same - An exhaust hood ( | 12-11-2008 |
| 20080308088 | Low Profile Exhaust Hood - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 12-18-2008 |
| 20100269815 | EXTRACTOR HOOD, IN PARTICULAR FOR DOMESTIC ENVIRONMENTS - An extractor hood, in particular for domestic environments, comprising: a frame ( | 10-28-2010 |
| 20110232625 | SUCTION HOOD - The invention relates to a suction hood, a) which sucks air from a first area to a second area, b) wherein the hood comprises b1) a first sucking means ( | 09-29-2011 |
| 20110240004 | SUCTION HOOD - The invention relates to a suction hood ( | 10-06-2011 |
| 20120037144 | SUCTION HOOD - The invention relates to a sucking means ( | 02-16-2012 |
| 20120204855 | Cooking Device with Ventilation and Filtration System - A cooking device with a ventilation and filtration system is disclosed that may be a mobile cart. The ventilation and filtration system provides removal of heated and effluent-laden air from the vicinity of the cooking device utilizing a manually telescoping vent having a handle for positioning the vent. The telescoping vent piece may be easily manually removable and reattachable for cleaning. Further, the downdraft ventilator is in communication with a filtration and effluent removal system that may have one or more filters and may also have a drip tray. | 08-16-2012 |
| 20120111314 | SENSOR UNIT FOR A SUCTION HOOD, SUCTION HOOD AND COOKING DEVICE - The invention relates to a sensor unit ( | 05-10-2012 |
| 20120152229 | Range hood capable of resisting draft - A range hood capable of resisting draft is provided above a counter on the top of which an air-generation device is located. The range hood comprises an air-extraction hood that has a bottom provided with an elongate air-extraction slot for drawing air upwards. Besides, an air blow groove is provided in front of the elongate air-extraction slot for blowing air downwards. A long left upright plate and a long right upright plate are respectively provided below the left and right lateral surfaces of the air-extraction hood. Thereby, when the elongate air-extraction slot draws in air, an oblique airflow is formed. Besides, the long left and right upright plates are able to hinder the draft coming from lateral sides, so as to protect the oblique airflow structure. Consequently, an intact upwards-flowing airflow is formed to exhaust soot and harmful gases. | 06-21-2012 |
| 20120152228 | METHOD AND APPARATUS FOR THE THERMAL PROTECTION OF LED LIGHT MODULES IN A RANGE HOOD APPLIANCE - A method and apparatus for the thermal protection of LED light modules in a range hood appliance is provided. If the temperature of the LED light module reaches a predetermined temperature, one or more protective actions are taken to prevent over heating the LED light module. Such protective actions can include e.g., decreasing and/or terminating the power to the LED light module, opening a damper to provide air for cooling the LED light module, and/or activating a fan to provide forced convection cooling of the LED light module. | 06-21-2012 |
| 20110315136 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 12-29-2011 |
| 20100206292 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 08-19-2010 |
| 20090107482 | PROTECTIVE BARRIER SYSTEM AGAINST COOKING SPLATTER - A barrier system protecting a wall from cooking surface splatter includes a panel having an exterior surface and a rear surface spatially offset from the wall. The panel also has a bottom edge and an opposing upper edge. The panel is secured to the wall with multiple securements such that the lower edge of the panel is positioned between 0.635 and 1.27 centimeters above the cooking surface. The securements include a pedestal that defines the offset between the wall and the rear surface of the panel and a fastener in simultaneous contact with the panel by way of an aperture in the panel, the pedestal, and the wall. A panel formed of tempered glass is amenable to inclusion of an ultraviolet illumination light source that facilitates degradation of splatter on the panel. | 04-30-2009 |
| 20130042853 | COOKING ASSEMBLY THAT SAVES ENERGY, REDUCES NOISE, AND CIRCULARLY REMOVES FUMES - A cooking assembly that saves energy, reduces noise, and circularly removes fumes comprises a venting outlet disposed opposite to an absorbing inlet of an absorbing device. The air expelled from the venting outlet permits guiding fumes and smells generated during cooking into an absorbing scope of the absorbing inlet, thereby offering a recurring air curtain over a cooking platen. The cooking assembly keeps heating energy but takes away the cooking fumes and smells from the cooking platen via a consistent and recurring operation to clarify the air. The recurring air curtain avoids wasting air conditioning energy and prevents from leaking the air polluted by fumes out, which allows the cooking assembly to omit an extra outdoor discharging pipe but attain a fresh and tranquil dining atmosphere, and decrease the energy consumption of the facility for being friendly to the environment. | 02-21-2013 |
| 20100116263 | DEVICE FOR REMOVING COOKING VAPORS COMPRISING A FLAT EXHAUST AIR DUCT - The invention relates to a device for removing cooking vapors in a direction vertically below a hob plane ( | 05-13-2010 |
| 20090260616 | VENTILATING KITCHEN RANGE SUBFRAME - A kitchen range subframe includes air channels for passively directing air to and/or from an element enclosure within the kitchen range, and a range component shelf that is configured to mount one or more range components to the kitchen range subframe. The kitchen range subframe provides improved ventilation for the kitchen range, and mounting locations for range components such as gas lines and kitchen range controls. | 10-22-2009 |
| 20100163012 | EXTRACTOR HOOD - An extractor hood includes a housing with a fan disposed therein and an extraction opening for the entry of fumes into the extractor hood on the bottom of the extractor hood. The extractor hood has an air outlet gap on the top of the extractor hood in the edge region of the extractor hood. The air outlet gap is adjacent to a surface that is arched in the direction of the bottom of the extractor hood. | 07-01-2010 |
| 20090183728 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including at least one air flow restricting and redistributing baffle plate and terminating in an upwardly angled outlet for introducing intake air along the side of the appliance, resulting in heating and elevating the intake air within a perimeter defined by the hood and thereby minimizing loss of conditioned air existing within the enclosed space. | 07-23-2009 |
| 20100043772 | EXTRACTOR HOOD - An extractor hood including a housing, a vapor shield pivotably mounted on the housing, and at least one pivot bearing connecting the vapor shield to the housing. The at least one pivot bearing has a bearing axis in a vicinity of a center of gravity of the vapor shield. | 02-25-2010 |
| 20130037017 | LOW PROFILE EXHAUST HOOD - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 02-14-2013 |
| 20130087134 | Cookery Air Purification and Exhaust System - An air filtration and exhaust system is described. The system comprises a microcontroller, a power supply, and a series of sensors that detect the presence of airborne contaminants such as ultra fine particles, smoke, natural gas and radon gas. In the presence of these airborne contaminants, the system is designed to inactivate and prevent operation of nearby food preparation appliances. Once these contaminants have been safely removed, the operation of these appliances is restored. In addition, the ventilation system may be equipped with a purification subassembly, which safely and efficiently removes such containments from the area. The system may also comprise an alarm that is activatable in the presence of these contaminants. | 04-11-2013 |
| 20130087133 | VENTILATING RANGE HOOD - A ventilating range hood having an interior transverse wall spanning between the side walls of the hood. The transverse wall separates the range hood into a rear chamber and a forward chamber. The transverse wall includes an aperture for allowing communication between the forward and rear chambers and a closure member for selectively opening and closing the aperture. A plate is removably connected to the back wall for covering the rear exhaust opening. In a recirculation only mode, the rear exhaust opening is covered by the removable plate and the closure member is opened so that air drawn into the rear chamber through the air intake flows through the aperture and out the top exhaust opening. | 04-11-2013 |
| 20130092148 | ENERGY RECOVERY DEVICES, SYSTEMS, AND METHODS - Energy recovery devices, systems and methods, and energy recovery control systems and methods for efficient extraction and reuse of waste heat from exhaust fumes generated from cooking appliances. | 04-18-2013 |
| 20130061843 | RETRACTABLE VENTILATION SYSTEM - A retractable ventilation system for a household appliance includes a lifting motor for moving the ventilation system in two opposing directions, and a switch controlling movement of the lifting motor. A first actuation of the switch moves the ventilation system in a first (or preferred) of the two directions, and a second actuation of the switch moves the ventilation system in a second direction opposing the first direction. Furthermore, a household appliance includes an extractor hood, a cooking appliance or a combination thereof, and at least one of the proposed retractable ventilation systems. A method for operating the retractable ventilation system is also described. | 03-14-2013 |
| 20090032011 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 02-05-2009 |
| 20100319676 | EXHAUST HOOD WITH GREASE ABSORBING MATERIAL ON A ROLL - A kitchen exhaust system includes a dispenser and a receiver, with a supply spool of grease absorbent material provided in the dispenser. In a process to replace the contaminated material, portions of the web can be selectively removed from the air flow path into the receiver while drawing uncontaminated portions of the web from the dispenser to the path of air flow. | 12-23-2010 |
| 20100242945 | INTEGRATED STOVE IN WHICH OIL SMOKE IS DISCHARGED DOWNWARD - An integrated stove in which oil smoke is discharged downward comprises a cabinet body; a plurality of cylindrical sunken stove holes are installed on the panel of the body; a cooker is installed on the soleplate of the stove holes; major arc shaped air suction ports are installed at the upper part of the wall of the stove holes; a handle hole is installed in one side of the stove holes facing person; a soleplate parallel to the panel basically is installed; the soleplate has a structure in the shape of pan bottom; and the part of the soleplate close to the side wall of the body extends to the combined part of the panel and the soleplate. The panel is mounted at the top of the side wall. The stove holes are embedded in the double-layer structure formed by the panel and the soleplate. The side wall of the stove holes is both connected with the panel and the soleplate in sealing way, the panel, the soleplate and the side wall of the stove holes are enclosed to form a communicated sealed gas collecting chamber. The air port of a blower is installed at the open hole of the soleplate, and an exhaust pipe is connected with the blower. | 09-30-2010 |
| 20100126494 | EXHAUST HOOD WITH ADJUSTABLE SUPPLY AIR CONTAINMENT AIR STREAMS AND AIR CURTAINS - An exhaust hood and related methods for exhausting fumes are disclosed. The exhaust hood comprises a housing forming a collection region having an entry portion and an upper portion disposed above the entry portion, an exhaust inlet coupled with the housing and configured to draw air from the entry and upper portions, and a supply assembly coupled with the housing and configured to output a flow of supply air. The supply assembly is configured to direct a first portion of the supply air across the collection region generally towards the exhaust inlet and direct a second portion of the supply air generally downward away from the collection area. The directed first portion of the supply air divides the collection region into the entry and upper portions. The portion of the supply air directed into at least the first portion or the second portion can be adjustable. | 05-27-2010 |
| 20090165776 | Metal Sheet Ventilation/Smoke Duct Section and Manufacturing Method Thereof - The invention relates to a metal sheet ( | 07-02-2009 |
| 20090211564 | Smoke Exhaust With An Air Curtain Fan - A smoke exhaust has a casing, a suction fan and an air curtain fan. The casing has an air chamber, an air duct and a smoke collecting eaves. The air chamber has a lower inlet and an upper inlet. The smoke collecting eaves is mounted on the casing. The suction fan is mounted in the casing. The air curtain fan is mounted on the eaves and is capable generating a downward air curtain. The air curtain prevents the smoke from spreading out of the smoke exhaust. | 08-27-2009 |
| 20090241934 | MOTORIZED EXTRACTOR HOOD FOR KITCHENS OF VERTICAL SLIDING TYPE - The present invention relates to a motorized extractor hood for kitchens, of the type housed and vertically sliding inside a vertical compartment ( | 10-01-2009 |
| 20100258108 | Air Port Closing Device for Cooking Fume Exhauster being Unitary with Range - A closing unit for air port of integrated machine of cooking fume exhauster and range includes a lifting ring ( | 10-14-2010 |
| 20110056479 | VARIABLE VENTILATION METHOD AND SYSTEM - A system and method for providing variable ventilation for a cooking environment. The system includes a plurality of cooking appliances, wherein each appliance has various operating parameters indicative of a cooking level of each appliance; a cooking event monitor operably connected to each of the cooking appliances and configured to: (1) determine a level of ventilation for each of the plurality of appliances based upon the cooking level of each appliance, (2) determine a control signal based upon the determined level of ventilation, and (3) transmit the control signal; a motor speed controller operably connected to the cooking event monitor and configured to receive the control signal; and at least one exhaust fan operably connected to the motor speed controller, wherein the motor speed controller adjusts a speed of the exhaust fan based upon the control signal. | 03-10-2011 |
| 20110056478 | Hood Device for Grill - A hood device for grill comprises a hood, a telescoping tubing, a filter assembly, a grease cup, and an external fan. The hood partially covers a grill at a first elevated vertical position and collects smokes from the grill. The telescoping tubing extends from the hood and is configured for ventilating, and telescoping between the first and second positions. The filter assembly is disposed at a lower end of the telescoping tubing, and comprises filter with concentric and cylindrical layers. The grease cup is for collecting grease from the filter. The fan is for building up an ascending air current inside the telescoping tubing. A velocity of the ascending air current is determined according to the first elevated vertical position, a ratio of a diameter of the hood to a diameter of the grill, and a surface temperature of the grill. | 03-10-2011 |
| 20100000512 | Pollutant Removing Device and Dual-Air Curtain Range Hood Using the Device - A pollutant removing device includes first and second air blow devices respectively located at front and rear ends of a pollutant generation source or an oven and respectively including a first elongate air blow slot and a second elongate air blow slot so as to blow air upward. A suction device is located above a counter top to which the pollutant generation source or the oven is installed. The suction device includes at least one elongate suction opening which is connected with a suction machine. The at least one elongate suction opening is parallel to the first and the second elongate air blow slots. Two air curtains are formed between the at least one elongate suction opening and the first and second elongate air blow slots. The gas, vapor, or particulate type pollutants located between the two air curtains is sucked via the at least one elongate suction opening. | 01-07-2010 |
| 20100294259 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 11-25-2010 |
| 20100059040 | VENT SYSTEM FOR A COOKING APPLIANCE - A vent system for a cooking appliance is disclosed. The appliance has a cooktop surface supporting a plurality of surface heating units. The vent system includes a vent box mounted beneath the cooktop surface; a telescopic vent assembly telescopically mounted relative to the vent box, the telescopic vent assembly being movable between a retracted position proximate the cooktop surface and an extended position above the cooktop surface; a retention unit configured to releasably hold the telescopic vent assembly in the retracted position; and a stored energy mechanical drive unit configured to move the telescopic vent assembly in a first direction to the extended position upon release of the retention unit. | 03-11-2010 |
| 20100065038 | Exhaust Canopy - A stove vent and canopy positionable above a cooking surface to any of a plurality of positions between a fully retracted position and a fully extended position. In a fully retracted position, the vent is positionable immediately adjacent to the surface allowing for venting of cooking vapors without blocking the user's view over the stove. Telescoping to the fully extended to position places the vent over the cooking surface and may employ a clear backsplash to continue to maintain the user's view behind the cooking surface. | 03-18-2010 |
| 20080202492 | SMOKELESS COOKER - A smokeless cooker includes a table located indoors, with a cabinet, which may include a plurality of individual boxes stacked and assembled together, below the table. A gas-discharge flow path leads from the cabinet to the outdoors. The cabinet includes an inner box with an open upper portion in an upper opening section of an outer box. An installed cooking means is located inside the inner box. A suction flow path is formed outside the inner box, with a suction hole in the inner wall of the suction flow path above a heating surface of the installed cooking means. The gas-discharge flow path includes a fat/oil filtering section, an absorption deodorizing section, a HEPA filter and a fan. A duct leading to the outdoors is present at the downstream side of the HEPA filter. | 08-28-2008 |
| 20080202491 | Air Collecting Device And Exhaust Air Box, In Particular Usable In Said Device - The invention relates to an air holding device comprising a channel system raised from a suction opening disposed at a height of a workstation generating dirty air or vapours and leading to at least one outlet opening. An exhausting fan is placed between a prefilter and at least one odour filter. The channel system is embodied in the form of an exhaust air box disposed downstream of the exhaust fan. The lateral surface of the exhaust air box comprises an air inlet which is connected to the downstream side of the exhausting fan. The other lateral surfaces are selectively provided with air outlet openings covered respectively with an odour filter having an adjustable air resistance. Said odour filter preferably consists of a foam material coated with active carbon and the air resistance thereof is selectable according the thickness and/or porosity of the foam material. | 08-28-2008 |
| 20110114076 | COMMERCIAL KITCHEN EXHAUST SYSTEM - An exhaust system includes a hood structure having one or more of (i) an exhaust flow infeed surface extending downward from a lower end of the filter unit that helps to feed the thermal plume toward the filter unit, (ii) a bypass flow transition surface extending upward from the upper end of the filter unit and then forward to aid bypass flow in circulating back toward the filter aperture and (iii) a front wall structure that includes a downwardly extending wall portion with a chamfered and/or curved transition portion at its lower end and a rearwardly extending wall portion. | 05-19-2011 |
| 20100012110 | AIR-CIRCULATING MODULE AND FUME EXTRACTION DEVICE - An air-circulator includes an housing with an air inlet, an air outlet opening, an odor filter, and an insertion opening for inserting the odor filter. The odor filter is assigned to the air outlet opening. | 01-21-2010 |
| 20090199844 | EXHAUST HOOD WITH AIR CURTAIN - An exhaust hood captures and contains a thermal plume with a minimum of exhaust air by defining a short-throw planar jet around a protected perimeter. Corner interference is mitigated by various mechanisms including having at least one of adjacent planar jets run only partly along a respective edge such that said first and second curtain jets do not meet at said corner; having a direction of the planar jets proximate corners where they meet being intermediate between respective directions of the jets along respective main portions of the perimeter; or having a direction of the jets of one of the adjacent edges be horizontal while the other is vertical. | 08-13-2009 |
| 20120152227 | FORCED CONVECTION COOLING OF LED LIGHTING AND ELECTRONICS IN A RANGE HOOD APPLIANCE - The use of forced convection or air currents to provide cooling of LED lighting and/or other electronics in a range hood appliance is provided. A channel provides for a flow of air over the electronics to providing cooling to the same. Various configurations are provided for causing air to flow through the channel. | 06-21-2012 |
| 20120055460 | Internally Adjustable Damper - An internally adjustable damper for use in a commercial kitchen includes a housing having a sidewall defining an interior, a first open end, and a second open end in fluid communication with the first open end. A damper blade is disposed within the housing and is rotatable about an axis of rotation to allow a selectable air flow resistance. An arch extends from the damper blade and adjacent to the sidewall, the arch being symmetric about the axis of rotation. A threaded stud extends from the sidewall into the interior of the housing and is disposed adjacent the arch. A fastener is operatively coupled to the threaded stud, wherein the fastener is adapted to selectively press down against the arch, thereby fixing the location of the damper blade, and retract from the arch, thereby allowing the damper blade to rotate about the axis of rotation. The fastener and the baffle are accessible from inside the housing through either the first open end or the second open end. | 03-08-2012 |
| 20110094497 | HOOD DEVICES, METHODS, AND SYSTEMS WITH FEATURES TO ENHANCE CAPTURE AND CONTAINMENT - A device that augments the capture and containment of an exhaust hood using jets is retrofitable to existing exhaust hoods. The device, in embodiments, forms a self-contained system that is separate from the hood and can be installed in existing hoods providing them with increased performance. Various embodiments are shown which are suitable for canopy and backshelf hood designs. | 04-28-2011 |
| 20120152226 | HEAT SINK FOR A COOKING APPLIANCE - A heat sink for LEDs or other electronic elements in a kitchen appliance is provided. The chassis or other heat conducting components of the appliance are used as a heat sink to conduct away heat. The LEDs or other electronic features may be connected directly to the heat sink or may be connected by e.g., a bracket. | 06-21-2012 |
| 20100095950 | Kitchen Ventilation Hood Apparatus - The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods. | 04-22-2010 |
| 20100095949 | Pollutant removing device and oblique single air curtain range hood using the device - The present invention relates to a pollutant removing device and an oblique single air curtain range hood using the device. The rear side of the range hood is adjacent to a wall and the range hood includes an air blow device and a suction device. The air blow device has an elongate air blow slot that is provided in front of a counter top and through which air is blown upward. The suction device is located above the counter top and includes an elongate suction opening that is connected with a suction machine to produce upward suction force. The elongate suction opening is parallel to the elongate air blow slot in a way that the elongate suction opening is above and spaced from the elongate air blow slot toward the wall. By means of the operation of the suction machine, an oblique air curtain that is nearly two-dimensional is formed between the elongate suction opening and the elongate air blow slot. The gas or harmful gas located between the oblique air curtain and the wall can be sucked via the elongate suction opening. Consequently, the escape of pollutants is decreased and the ability against interference of sucking harmful gas resulted from ambient air turbulence can be enhanced. | 04-22-2010 |
| 20120160230 | Fume Extraction Hood - The present invention relates to a fume extraction hood ( | 06-28-2012 |
| 20120125316 | VENTILATION SYSTEM FOR A RANGE HOOD WITH EXHAUST AND RECIRCULATION OPTIONS - A ventilation system for a range hood of a kitchen area is provided. More particularly, a kitchen ventilation system is provided that has both exhaust and recirculation options that are provided by internally contained features for directing the flow of air. The system can be installed as a modular unit as part of a new or existing range hood. | 05-24-2012 |
| 20120247451 | TEPPANYAKI ASSEMBLY AVAILABLE FOR SUCKING AIR BY MULTIPLE ANGLES - A teppanyaki assembly available for sucking air by multiple angles comprises a platform including a cooking plane, and an air pump installed in the platform and including an air guider as well as an air channel. Wherein, the air guider has a housing disposed on the cooking plane and a regulator pivoted to the housing. Tuning the regulator allows an air entrance on the regulator to confront an external opening on the housing by different degrees so as to pump air with divergent angles and filter air properly. Besides, an air extracting effect could be favorably controlled in accordance with different food. | 10-04-2012 |
| 20100051011 | VENT HOOD FOR A COOKING APPLIANCE - A vent hood is disclosed. The vent hood includes an enclosure having an inlet and a fluid passage, a first stage fluid moving device disposed adjacent to the inlet and configured to provide a substantially uniform inflow of fluid across the inlet, and a second stage fluid moving device disposed within the enclosure and downstream of the first stage fluid moving device. | 03-04-2010 |
| 20100051010 | Recirculating, self-contained ventilation system - A system includes an intake, an exhaust, and an adjustable directing member. The intake is for taking in air, the exhaust is for exhausting air, and the adjustable directing member is positioned for directing exhaust air toward the intake. Another aspect is a system that includes a source of polluted air and an air cleaning system. The air cleaning system includes an intake, an exhaust, and a directing member. The intake is for taking in polluted air and the exhaust is for exhausting air. The directing member is for directing air from the exhaust toward the intake to provide an air screen for keeping the polluted air in the vicinity of the intake. | 03-04-2010 |
| 20120255539 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including a perforated plate mounted to an inside face thereof in proximity to a bottom closed edge of said plenum and in order to introduce intake air to a side location of the appliance in order to equalize internal pressure and to facilitate upward movement of heated air from the appliance. | 10-11-2012 |
| 20100326419 | RANGE HOOD - A range hood, containing at least a fan having a housing and an impeller, an oil filter, a cover, a fume exhaust cover, a light, and a switch. The housing of the fan is a circular double-chamber or multi-chamber structure with an air inlet and an air outlet, and the impeller of the fan contains at least one group of arc-shaped blades each having a closed side and being enlarged in an axial direction. | 12-30-2010 |
| 20130008429 | Replaceable Capture Hoods for Recirculating, self-contained ventilation system - A system includes a plurality of capture hoods and a hood supporting unit. Each of the plurality of capture hoods has a hood portion and a connection portion. The connection portion is for connection to the hood supporting unit. The hood supporting unit is capable of connecting to just one of the plurality of capture hoods at a time. The hood portions of the plurality of capture hoods have different shapes. The connection portions of the plurality of capture hoods are identical so any one of the plurality of capture hoods can connect to the hood supporting unit. | 01-10-2013 |
| 20130074823 | RANGE EXHAUST CLEANING SYSTEM AND METHOD - A cleaning system for a cooking range exhaust having a range hood, a backsplash, and an exhaust flue for exhausting cooking effluent is disclosed. The cleaning system can include a fluid delivery system constructed for partial placement within the cooking range exhaust. The fluid delivery system can include a hood spray conduit constructed for placement within the hood and comprising spray openings for directing a degreasing composition to the backsplash. The fluid delivery system can also include a flue spray conduit constructed for placement within or outside the exhaust flue and comprising at least one spray opening for directing the degreasing composition to an interior surface of the flue. The cleaning system can include a pump system constructed for conveying the degreasing composition from a degreasing composition source and through the fluid delivery system. A method of cleaning a cooking range exhaust and a self-cleaning exhaust system are also disclosed. | 03-28-2013 |
| 20090272372 | Kitchen Hood Assembly with a Combination Cleaning and Fire Suppression System - A kitchen hood assembly includes a combination hood cleaning and fire suppression system. The hood assembly includes a hood structure and a riser connected thereto. An exhaust blower forces an exhaust stream of air into the hood and through the riser. A combination hood cleaning and fire suppression system is incorporated into the hood structure. The combination hood cleaning and fire suppression system includes an elongated spray bar that is connected to a water source and includes a surfactant injector that injects a surfactant into the water being directed to the spray bar. In one mode of operation, the spray bar is effective to clean the hood assembly. In another mode of operation, when a fire is sensed in or in the vicinity of the hood, the same spray bar is utilized to inject an aqueous liquid into the hood to suppress the fire. | 11-05-2009 |
| 20090013989 | LINEAL SLOT VENTILATOR WITH INTERNAL CLEANING SYSTEM AND ADJUSTABLE BAFFLE - In an exemplary embodiment, this system is found within a kitchen hood, such as those found in restaurants, used to remove excess cooking heat and grease. Building fire safety and sanitation codes mandate routine hood maintenance to maintain fire safety, operator comfort and workplace sanitation. Conventional maintenance can be very messy, time consuming and quite expensive. In an exemplary embodiment, the hood is fabricated to incorporate an integral heat exchanger which further creates a trough housing a grease extraction device. The exchanger and trough are located in such a manner that collected heat and/or grease may be removed from the exhaust air stream and further fabricated to permit automatic and/or semi automatic cleaning of both devices and trough. This invention improves fire safety and sanitation, saves time and reduces maintenance costs. Cleaning is achieved using less energy and keeps the heat exchanger at peak efficiency to further enhance energy savings. | 01-15-2009 |
| 20090194093 | BAFFLE-TYPE GREASE FILTERS FOR KITCHEN VENTILATORS - A grease filter has upper and lower baffle assemblies that define tortuous paths for exhaust air flowing therethrough. The baffles in the upper assembly include a perforated metal strips and bent free edges to maximize grease extraction from the exhaust air. A hinge connects the upper and lower baffle assemblies and permits the assemblies to pivot from a closed position to an open position. In the open position, access is provided to all surfaces of the assemblies so that they can be efficiently cleaned. | 08-06-2009 |
| 20100275900 | Exhaust air mist separator - A grease containment apparatus to remove grease and other contaminants from hot air exiting a kitchen area through a vent system which includes a vertical separator. | 11-04-2010 |
| 20100258109 | RETROFIT APPARATUS FOR A COOKING DEVICE - A retrofit apparatus for a preexisting cooking device comprises a hood that defines a liquid removal section, a motor disposed within the hood, and a motor gear rotatable by the motor to facilitate rotating a centrifugal liquid removal device. The motor gear may comprise a plurality of teeth configured to engage a motor gear coupling on a shaft of the centrifugal liquid removal device, and the motor gear may be configured to automatically engage the motor gear coupling to facilitate rotating the centrifugal liquid removal device. In other embodiments, a lifting mechanism in the preexisting cooking device is configured to move the centrifugal liquid removal device from a cooking section to the liquid removal section. | 10-14-2010 |
| 126299000 | Splatter shields | 1 |
| 20130087135 | BUILT-IN RETRACTABLE VENTILATION HOOD ASSEMBLY - A built-in ventilation hood assembly for air exhausting is disclosed. An example built-in ventilation hood assembly may comprise a housing and a retractable hood unit configured to be slidably mounted within the housing. The retractable hood unit may comprise at least one air intake into which air is drawn. The built-in ventilation hood assembly may further comprise a driving unit configured to slide the retractable hood unit out from the housing or slide the retractable hood unit in to the housing, and a ventilation unit being installed within the housing and configured to draw air in through the at least one air intake. | 04-11-2013 |
| 20110214664 | EXTRACTOR HOOD - An extractor hood ( | 09-08-2011 |
| 20090288655 | GREASE FILTER ASSEMBLY FOR - A grease filter assembly for use in a range hood to remove airborne grease is disclosed to include an air deflector with guide rollers and grille, a roll of grease filter mounted in a filter supply chamber at the air deflector with one end of the grease filter extending out of the filter supply chamber over the grilles and the guide rollers into a waste filter collecting chamber, and a motor mounted in the air deflector and controllable to transfer the grease filter into the waste grease collecting chamber by means of a sheet-transfer cylinder and an impression cylinder. | 11-26-2009 |
| 20080302352 | Exhaust Hood and Method of Mounting Same - An exhaust hood ( | 12-11-2008 |
| 20080308088 | Low Profile Exhaust Hood - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 12-18-2008 |
| 20100269815 | EXTRACTOR HOOD, IN PARTICULAR FOR DOMESTIC ENVIRONMENTS - An extractor hood, in particular for domestic environments, comprising: a frame ( | 10-28-2010 |
| 20110232625 | SUCTION HOOD - The invention relates to a suction hood, a) which sucks air from a first area to a second area, b) wherein the hood comprises b1) a first sucking means ( | 09-29-2011 |
| 20110240004 | SUCTION HOOD - The invention relates to a suction hood ( | 10-06-2011 |
| 20120037144 | SUCTION HOOD - The invention relates to a sucking means ( | 02-16-2012 |
| 20120204855 | Cooking Device with Ventilation and Filtration System - A cooking device with a ventilation and filtration system is disclosed that may be a mobile cart. The ventilation and filtration system provides removal of heated and effluent-laden air from the vicinity of the cooking device utilizing a manually telescoping vent having a handle for positioning the vent. The telescoping vent piece may be easily manually removable and reattachable for cleaning. Further, the downdraft ventilator is in communication with a filtration and effluent removal system that may have one or more filters and may also have a drip tray. | 08-16-2012 |
| 20120111314 | SENSOR UNIT FOR A SUCTION HOOD, SUCTION HOOD AND COOKING DEVICE - The invention relates to a sensor unit ( | 05-10-2012 |
| 20120152229 | Range hood capable of resisting draft - A range hood capable of resisting draft is provided above a counter on the top of which an air-generation device is located. The range hood comprises an air-extraction hood that has a bottom provided with an elongate air-extraction slot for drawing air upwards. Besides, an air blow groove is provided in front of the elongate air-extraction slot for blowing air downwards. A long left upright plate and a long right upright plate are respectively provided below the left and right lateral surfaces of the air-extraction hood. Thereby, when the elongate air-extraction slot draws in air, an oblique airflow is formed. Besides, the long left and right upright plates are able to hinder the draft coming from lateral sides, so as to protect the oblique airflow structure. Consequently, an intact upwards-flowing airflow is formed to exhaust soot and harmful gases. | 06-21-2012 |
| 20120152228 | METHOD AND APPARATUS FOR THE THERMAL PROTECTION OF LED LIGHT MODULES IN A RANGE HOOD APPLIANCE - A method and apparatus for the thermal protection of LED light modules in a range hood appliance is provided. If the temperature of the LED light module reaches a predetermined temperature, one or more protective actions are taken to prevent over heating the LED light module. Such protective actions can include e.g., decreasing and/or terminating the power to the LED light module, opening a damper to provide air for cooling the LED light module, and/or activating a fan to provide forced convection cooling of the LED light module. | 06-21-2012 |
| 20110315136 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 12-29-2011 |
| 20100206292 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 08-19-2010 |
| 20090107482 | PROTECTIVE BARRIER SYSTEM AGAINST COOKING SPLATTER - A barrier system protecting a wall from cooking surface splatter includes a panel having an exterior surface and a rear surface spatially offset from the wall. The panel also has a bottom edge and an opposing upper edge. The panel is secured to the wall with multiple securements such that the lower edge of the panel is positioned between 0.635 and 1.27 centimeters above the cooking surface. The securements include a pedestal that defines the offset between the wall and the rear surface of the panel and a fastener in simultaneous contact with the panel by way of an aperture in the panel, the pedestal, and the wall. A panel formed of tempered glass is amenable to inclusion of an ultraviolet illumination light source that facilitates degradation of splatter on the panel. | 04-30-2009 |
| 20130042853 | COOKING ASSEMBLY THAT SAVES ENERGY, REDUCES NOISE, AND CIRCULARLY REMOVES FUMES - A cooking assembly that saves energy, reduces noise, and circularly removes fumes comprises a venting outlet disposed opposite to an absorbing inlet of an absorbing device. The air expelled from the venting outlet permits guiding fumes and smells generated during cooking into an absorbing scope of the absorbing inlet, thereby offering a recurring air curtain over a cooking platen. The cooking assembly keeps heating energy but takes away the cooking fumes and smells from the cooking platen via a consistent and recurring operation to clarify the air. The recurring air curtain avoids wasting air conditioning energy and prevents from leaking the air polluted by fumes out, which allows the cooking assembly to omit an extra outdoor discharging pipe but attain a fresh and tranquil dining atmosphere, and decrease the energy consumption of the facility for being friendly to the environment. | 02-21-2013 |
| 20100116263 | DEVICE FOR REMOVING COOKING VAPORS COMPRISING A FLAT EXHAUST AIR DUCT - The invention relates to a device for removing cooking vapors in a direction vertically below a hob plane ( | 05-13-2010 |
| 20090260616 | VENTILATING KITCHEN RANGE SUBFRAME - A kitchen range subframe includes air channels for passively directing air to and/or from an element enclosure within the kitchen range, and a range component shelf that is configured to mount one or more range components to the kitchen range subframe. The kitchen range subframe provides improved ventilation for the kitchen range, and mounting locations for range components such as gas lines and kitchen range controls. | 10-22-2009 |
| 20100163012 | EXTRACTOR HOOD - An extractor hood includes a housing with a fan disposed therein and an extraction opening for the entry of fumes into the extractor hood on the bottom of the extractor hood. The extractor hood has an air outlet gap on the top of the extractor hood in the edge region of the extractor hood. The air outlet gap is adjacent to a surface that is arched in the direction of the bottom of the extractor hood. | 07-01-2010 |
| 20090183728 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including at least one air flow restricting and redistributing baffle plate and terminating in an upwardly angled outlet for introducing intake air along the side of the appliance, resulting in heating and elevating the intake air within a perimeter defined by the hood and thereby minimizing loss of conditioned air existing within the enclosed space. | 07-23-2009 |
| 20100043772 | EXTRACTOR HOOD - An extractor hood including a housing, a vapor shield pivotably mounted on the housing, and at least one pivot bearing connecting the vapor shield to the housing. The at least one pivot bearing has a bearing axis in a vicinity of a center of gravity of the vapor shield. | 02-25-2010 |
| 20130037017 | LOW PROFILE EXHAUST HOOD - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 02-14-2013 |
| 20130087134 | Cookery Air Purification and Exhaust System - An air filtration and exhaust system is described. The system comprises a microcontroller, a power supply, and a series of sensors that detect the presence of airborne contaminants such as ultra fine particles, smoke, natural gas and radon gas. In the presence of these airborne contaminants, the system is designed to inactivate and prevent operation of nearby food preparation appliances. Once these contaminants have been safely removed, the operation of these appliances is restored. In addition, the ventilation system may be equipped with a purification subassembly, which safely and efficiently removes such containments from the area. The system may also comprise an alarm that is activatable in the presence of these contaminants. | 04-11-2013 |
| 20130087133 | VENTILATING RANGE HOOD - A ventilating range hood having an interior transverse wall spanning between the side walls of the hood. The transverse wall separates the range hood into a rear chamber and a forward chamber. The transverse wall includes an aperture for allowing communication between the forward and rear chambers and a closure member for selectively opening and closing the aperture. A plate is removably connected to the back wall for covering the rear exhaust opening. In a recirculation only mode, the rear exhaust opening is covered by the removable plate and the closure member is opened so that air drawn into the rear chamber through the air intake flows through the aperture and out the top exhaust opening. | 04-11-2013 |
| 20130092148 | ENERGY RECOVERY DEVICES, SYSTEMS, AND METHODS - Energy recovery devices, systems and methods, and energy recovery control systems and methods for efficient extraction and reuse of waste heat from exhaust fumes generated from cooking appliances. | 04-18-2013 |
| 20130061843 | RETRACTABLE VENTILATION SYSTEM - A retractable ventilation system for a household appliance includes a lifting motor for moving the ventilation system in two opposing directions, and a switch controlling movement of the lifting motor. A first actuation of the switch moves the ventilation system in a first (or preferred) of the two directions, and a second actuation of the switch moves the ventilation system in a second direction opposing the first direction. Furthermore, a household appliance includes an extractor hood, a cooking appliance or a combination thereof, and at least one of the proposed retractable ventilation systems. A method for operating the retractable ventilation system is also described. | 03-14-2013 |
| 20090032011 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 02-05-2009 |
| 20100319676 | EXHAUST HOOD WITH GREASE ABSORBING MATERIAL ON A ROLL - A kitchen exhaust system includes a dispenser and a receiver, with a supply spool of grease absorbent material provided in the dispenser. In a process to replace the contaminated material, portions of the web can be selectively removed from the air flow path into the receiver while drawing uncontaminated portions of the web from the dispenser to the path of air flow. | 12-23-2010 |
| 20100242945 | INTEGRATED STOVE IN WHICH OIL SMOKE IS DISCHARGED DOWNWARD - An integrated stove in which oil smoke is discharged downward comprises a cabinet body; a plurality of cylindrical sunken stove holes are installed on the panel of the body; a cooker is installed on the soleplate of the stove holes; major arc shaped air suction ports are installed at the upper part of the wall of the stove holes; a handle hole is installed in one side of the stove holes facing person; a soleplate parallel to the panel basically is installed; the soleplate has a structure in the shape of pan bottom; and the part of the soleplate close to the side wall of the body extends to the combined part of the panel and the soleplate. The panel is mounted at the top of the side wall. The stove holes are embedded in the double-layer structure formed by the panel and the soleplate. The side wall of the stove holes is both connected with the panel and the soleplate in sealing way, the panel, the soleplate and the side wall of the stove holes are enclosed to form a communicated sealed gas collecting chamber. The air port of a blower is installed at the open hole of the soleplate, and an exhaust pipe is connected with the blower. | 09-30-2010 |
| 20100126494 | EXHAUST HOOD WITH ADJUSTABLE SUPPLY AIR CONTAINMENT AIR STREAMS AND AIR CURTAINS - An exhaust hood and related methods for exhausting fumes are disclosed. The exhaust hood comprises a housing forming a collection region having an entry portion and an upper portion disposed above the entry portion, an exhaust inlet coupled with the housing and configured to draw air from the entry and upper portions, and a supply assembly coupled with the housing and configured to output a flow of supply air. The supply assembly is configured to direct a first portion of the supply air across the collection region generally towards the exhaust inlet and direct a second portion of the supply air generally downward away from the collection area. The directed first portion of the supply air divides the collection region into the entry and upper portions. The portion of the supply air directed into at least the first portion or the second portion can be adjustable. | 05-27-2010 |
| 20090165776 | Metal Sheet Ventilation/Smoke Duct Section and Manufacturing Method Thereof - The invention relates to a metal sheet ( | 07-02-2009 |
| 20090211564 | Smoke Exhaust With An Air Curtain Fan - A smoke exhaust has a casing, a suction fan and an air curtain fan. The casing has an air chamber, an air duct and a smoke collecting eaves. The air chamber has a lower inlet and an upper inlet. The smoke collecting eaves is mounted on the casing. The suction fan is mounted in the casing. The air curtain fan is mounted on the eaves and is capable generating a downward air curtain. The air curtain prevents the smoke from spreading out of the smoke exhaust. | 08-27-2009 |
| 20090241934 | MOTORIZED EXTRACTOR HOOD FOR KITCHENS OF VERTICAL SLIDING TYPE - The present invention relates to a motorized extractor hood for kitchens, of the type housed and vertically sliding inside a vertical compartment ( | 10-01-2009 |
| 20100258108 | Air Port Closing Device for Cooking Fume Exhauster being Unitary with Range - A closing unit for air port of integrated machine of cooking fume exhauster and range includes a lifting ring ( | 10-14-2010 |
| 20110056479 | VARIABLE VENTILATION METHOD AND SYSTEM - A system and method for providing variable ventilation for a cooking environment. The system includes a plurality of cooking appliances, wherein each appliance has various operating parameters indicative of a cooking level of each appliance; a cooking event monitor operably connected to each of the cooking appliances and configured to: (1) determine a level of ventilation for each of the plurality of appliances based upon the cooking level of each appliance, (2) determine a control signal based upon the determined level of ventilation, and (3) transmit the control signal; a motor speed controller operably connected to the cooking event monitor and configured to receive the control signal; and at least one exhaust fan operably connected to the motor speed controller, wherein the motor speed controller adjusts a speed of the exhaust fan based upon the control signal. | 03-10-2011 |
| 20110056478 | Hood Device for Grill - A hood device for grill comprises a hood, a telescoping tubing, a filter assembly, a grease cup, and an external fan. The hood partially covers a grill at a first elevated vertical position and collects smokes from the grill. The telescoping tubing extends from the hood and is configured for ventilating, and telescoping between the first and second positions. The filter assembly is disposed at a lower end of the telescoping tubing, and comprises filter with concentric and cylindrical layers. The grease cup is for collecting grease from the filter. The fan is for building up an ascending air current inside the telescoping tubing. A velocity of the ascending air current is determined according to the first elevated vertical position, a ratio of a diameter of the hood to a diameter of the grill, and a surface temperature of the grill. | 03-10-2011 |
| 20100000512 | Pollutant Removing Device and Dual-Air Curtain Range Hood Using the Device - A pollutant removing device includes first and second air blow devices respectively located at front and rear ends of a pollutant generation source or an oven and respectively including a first elongate air blow slot and a second elongate air blow slot so as to blow air upward. A suction device is located above a counter top to which the pollutant generation source or the oven is installed. The suction device includes at least one elongate suction opening which is connected with a suction machine. The at least one elongate suction opening is parallel to the first and the second elongate air blow slots. Two air curtains are formed between the at least one elongate suction opening and the first and second elongate air blow slots. The gas, vapor, or particulate type pollutants located between the two air curtains is sucked via the at least one elongate suction opening. | 01-07-2010 |
| 20100294259 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 11-25-2010 |
| 20100059040 | VENT SYSTEM FOR A COOKING APPLIANCE - A vent system for a cooking appliance is disclosed. The appliance has a cooktop surface supporting a plurality of surface heating units. The vent system includes a vent box mounted beneath the cooktop surface; a telescopic vent assembly telescopically mounted relative to the vent box, the telescopic vent assembly being movable between a retracted position proximate the cooktop surface and an extended position above the cooktop surface; a retention unit configured to releasably hold the telescopic vent assembly in the retracted position; and a stored energy mechanical drive unit configured to move the telescopic vent assembly in a first direction to the extended position upon release of the retention unit. | 03-11-2010 |
| 20100065038 | Exhaust Canopy - A stove vent and canopy positionable above a cooking surface to any of a plurality of positions between a fully retracted position and a fully extended position. In a fully retracted position, the vent is positionable immediately adjacent to the surface allowing for venting of cooking vapors without blocking the user's view over the stove. Telescoping to the fully extended to position places the vent over the cooking surface and may employ a clear backsplash to continue to maintain the user's view behind the cooking surface. | 03-18-2010 |
| 20080202492 | SMOKELESS COOKER - A smokeless cooker includes a table located indoors, with a cabinet, which may include a plurality of individual boxes stacked and assembled together, below the table. A gas-discharge flow path leads from the cabinet to the outdoors. The cabinet includes an inner box with an open upper portion in an upper opening section of an outer box. An installed cooking means is located inside the inner box. A suction flow path is formed outside the inner box, with a suction hole in the inner wall of the suction flow path above a heating surface of the installed cooking means. The gas-discharge flow path includes a fat/oil filtering section, an absorption deodorizing section, a HEPA filter and a fan. A duct leading to the outdoors is present at the downstream side of the HEPA filter. | 08-28-2008 |
| 20080202491 | Air Collecting Device And Exhaust Air Box, In Particular Usable In Said Device - The invention relates to an air holding device comprising a channel system raised from a suction opening disposed at a height of a workstation generating dirty air or vapours and leading to at least one outlet opening. An exhausting fan is placed between a prefilter and at least one odour filter. The channel system is embodied in the form of an exhaust air box disposed downstream of the exhaust fan. The lateral surface of the exhaust air box comprises an air inlet which is connected to the downstream side of the exhausting fan. The other lateral surfaces are selectively provided with air outlet openings covered respectively with an odour filter having an adjustable air resistance. Said odour filter preferably consists of a foam material coated with active carbon and the air resistance thereof is selectable according the thickness and/or porosity of the foam material. | 08-28-2008 |
| 20110114076 | COMMERCIAL KITCHEN EXHAUST SYSTEM - An exhaust system includes a hood structure having one or more of (i) an exhaust flow infeed surface extending downward from a lower end of the filter unit that helps to feed the thermal plume toward the filter unit, (ii) a bypass flow transition surface extending upward from the upper end of the filter unit and then forward to aid bypass flow in circulating back toward the filter aperture and (iii) a front wall structure that includes a downwardly extending wall portion with a chamfered and/or curved transition portion at its lower end and a rearwardly extending wall portion. | 05-19-2011 |
| 20100012110 | AIR-CIRCULATING MODULE AND FUME EXTRACTION DEVICE - An air-circulator includes an housing with an air inlet, an air outlet opening, an odor filter, and an insertion opening for inserting the odor filter. The odor filter is assigned to the air outlet opening. | 01-21-2010 |
| 20090199844 | EXHAUST HOOD WITH AIR CURTAIN - An exhaust hood captures and contains a thermal plume with a minimum of exhaust air by defining a short-throw planar jet around a protected perimeter. Corner interference is mitigated by various mechanisms including having at least one of adjacent planar jets run only partly along a respective edge such that said first and second curtain jets do not meet at said corner; having a direction of the planar jets proximate corners where they meet being intermediate between respective directions of the jets along respective main portions of the perimeter; or having a direction of the jets of one of the adjacent edges be horizontal while the other is vertical. | 08-13-2009 |
| 20120152227 | FORCED CONVECTION COOLING OF LED LIGHTING AND ELECTRONICS IN A RANGE HOOD APPLIANCE - The use of forced convection or air currents to provide cooling of LED lighting and/or other electronics in a range hood appliance is provided. A channel provides for a flow of air over the electronics to providing cooling to the same. Various configurations are provided for causing air to flow through the channel. | 06-21-2012 |
| 20120055460 | Internally Adjustable Damper - An internally adjustable damper for use in a commercial kitchen includes a housing having a sidewall defining an interior, a first open end, and a second open end in fluid communication with the first open end. A damper blade is disposed within the housing and is rotatable about an axis of rotation to allow a selectable air flow resistance. An arch extends from the damper blade and adjacent to the sidewall, the arch being symmetric about the axis of rotation. A threaded stud extends from the sidewall into the interior of the housing and is disposed adjacent the arch. A fastener is operatively coupled to the threaded stud, wherein the fastener is adapted to selectively press down against the arch, thereby fixing the location of the damper blade, and retract from the arch, thereby allowing the damper blade to rotate about the axis of rotation. The fastener and the baffle are accessible from inside the housing through either the first open end or the second open end. | 03-08-2012 |
| 20110094497 | HOOD DEVICES, METHODS, AND SYSTEMS WITH FEATURES TO ENHANCE CAPTURE AND CONTAINMENT - A device that augments the capture and containment of an exhaust hood using jets is retrofitable to existing exhaust hoods. The device, in embodiments, forms a self-contained system that is separate from the hood and can be installed in existing hoods providing them with increased performance. Various embodiments are shown which are suitable for canopy and backshelf hood designs. | 04-28-2011 |
| 20120152226 | HEAT SINK FOR A COOKING APPLIANCE - A heat sink for LEDs or other electronic elements in a kitchen appliance is provided. The chassis or other heat conducting components of the appliance are used as a heat sink to conduct away heat. The LEDs or other electronic features may be connected directly to the heat sink or may be connected by e.g., a bracket. | 06-21-2012 |
| 20100095950 | Kitchen Ventilation Hood Apparatus - The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods. | 04-22-2010 |
| 20100095949 | Pollutant removing device and oblique single air curtain range hood using the device - The present invention relates to a pollutant removing device and an oblique single air curtain range hood using the device. The rear side of the range hood is adjacent to a wall and the range hood includes an air blow device and a suction device. The air blow device has an elongate air blow slot that is provided in front of a counter top and through which air is blown upward. The suction device is located above the counter top and includes an elongate suction opening that is connected with a suction machine to produce upward suction force. The elongate suction opening is parallel to the elongate air blow slot in a way that the elongate suction opening is above and spaced from the elongate air blow slot toward the wall. By means of the operation of the suction machine, an oblique air curtain that is nearly two-dimensional is formed between the elongate suction opening and the elongate air blow slot. The gas or harmful gas located between the oblique air curtain and the wall can be sucked via the elongate suction opening. Consequently, the escape of pollutants is decreased and the ability against interference of sucking harmful gas resulted from ambient air turbulence can be enhanced. | 04-22-2010 |
| 20120160230 | Fume Extraction Hood - The present invention relates to a fume extraction hood ( | 06-28-2012 |
| 20120125316 | VENTILATION SYSTEM FOR A RANGE HOOD WITH EXHAUST AND RECIRCULATION OPTIONS - A ventilation system for a range hood of a kitchen area is provided. More particularly, a kitchen ventilation system is provided that has both exhaust and recirculation options that are provided by internally contained features for directing the flow of air. The system can be installed as a modular unit as part of a new or existing range hood. | 05-24-2012 |
| 20120247451 | TEPPANYAKI ASSEMBLY AVAILABLE FOR SUCKING AIR BY MULTIPLE ANGLES - A teppanyaki assembly available for sucking air by multiple angles comprises a platform including a cooking plane, and an air pump installed in the platform and including an air guider as well as an air channel. Wherein, the air guider has a housing disposed on the cooking plane and a regulator pivoted to the housing. Tuning the regulator allows an air entrance on the regulator to confront an external opening on the housing by different degrees so as to pump air with divergent angles and filter air properly. Besides, an air extracting effect could be favorably controlled in accordance with different food. | 10-04-2012 |
| 20100051011 | VENT HOOD FOR A COOKING APPLIANCE - A vent hood is disclosed. The vent hood includes an enclosure having an inlet and a fluid passage, a first stage fluid moving device disposed adjacent to the inlet and configured to provide a substantially uniform inflow of fluid across the inlet, and a second stage fluid moving device disposed within the enclosure and downstream of the first stage fluid moving device. | 03-04-2010 |
| 20100051010 | Recirculating, self-contained ventilation system - A system includes an intake, an exhaust, and an adjustable directing member. The intake is for taking in air, the exhaust is for exhausting air, and the adjustable directing member is positioned for directing exhaust air toward the intake. Another aspect is a system that includes a source of polluted air and an air cleaning system. The air cleaning system includes an intake, an exhaust, and a directing member. The intake is for taking in polluted air and the exhaust is for exhausting air. The directing member is for directing air from the exhaust toward the intake to provide an air screen for keeping the polluted air in the vicinity of the intake. | 03-04-2010 |
| 20120255539 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including a perforated plate mounted to an inside face thereof in proximity to a bottom closed edge of said plenum and in order to introduce intake air to a side location of the appliance in order to equalize internal pressure and to facilitate upward movement of heated air from the appliance. | 10-11-2012 |
| 20100326419 | RANGE HOOD - A range hood, containing at least a fan having a housing and an impeller, an oil filter, a cover, a fume exhaust cover, a light, and a switch. The housing of the fan is a circular double-chamber or multi-chamber structure with an air inlet and an air outlet, and the impeller of the fan contains at least one group of arc-shaped blades each having a closed side and being enlarged in an axial direction. | 12-30-2010 |
| 20130008429 | Replaceable Capture Hoods for Recirculating, self-contained ventilation system - A system includes a plurality of capture hoods and a hood supporting unit. Each of the plurality of capture hoods has a hood portion and a connection portion. The connection portion is for connection to the hood supporting unit. The hood supporting unit is capable of connecting to just one of the plurality of capture hoods at a time. The hood portions of the plurality of capture hoods have different shapes. The connection portions of the plurality of capture hoods are identical so any one of the plurality of capture hoods can connect to the hood supporting unit. | 01-10-2013 |
| 20130074823 | RANGE EXHAUST CLEANING SYSTEM AND METHOD - A cleaning system for a cooking range exhaust having a range hood, a backsplash, and an exhaust flue for exhausting cooking effluent is disclosed. The cleaning system can include a fluid delivery system constructed for partial placement within the cooking range exhaust. The fluid delivery system can include a hood spray conduit constructed for placement within the hood and comprising spray openings for directing a degreasing composition to the backsplash. The fluid delivery system can also include a flue spray conduit constructed for placement within or outside the exhaust flue and comprising at least one spray opening for directing the degreasing composition to an interior surface of the flue. The cleaning system can include a pump system constructed for conveying the degreasing composition from a degreasing composition source and through the fluid delivery system. A method of cleaning a cooking range exhaust and a self-cleaning exhaust system are also disclosed. | 03-28-2013 |
| 20090272372 | Kitchen Hood Assembly with a Combination Cleaning and Fire Suppression System - A kitchen hood assembly includes a combination hood cleaning and fire suppression system. The hood assembly includes a hood structure and a riser connected thereto. An exhaust blower forces an exhaust stream of air into the hood and through the riser. A combination hood cleaning and fire suppression system is incorporated into the hood structure. The combination hood cleaning and fire suppression system includes an elongated spray bar that is connected to a water source and includes a surfactant injector that injects a surfactant into the water being directed to the spray bar. In one mode of operation, the spray bar is effective to clean the hood assembly. In another mode of operation, when a fire is sensed in or in the vicinity of the hood, the same spray bar is utilized to inject an aqueous liquid into the hood to suppress the fire. | 11-05-2009 |
| 20090013989 | LINEAL SLOT VENTILATOR WITH INTERNAL CLEANING SYSTEM AND ADJUSTABLE BAFFLE - In an exemplary embodiment, this system is found within a kitchen hood, such as those found in restaurants, used to remove excess cooking heat and grease. Building fire safety and sanitation codes mandate routine hood maintenance to maintain fire safety, operator comfort and workplace sanitation. Conventional maintenance can be very messy, time consuming and quite expensive. In an exemplary embodiment, the hood is fabricated to incorporate an integral heat exchanger which further creates a trough housing a grease extraction device. The exchanger and trough are located in such a manner that collected heat and/or grease may be removed from the exhaust air stream and further fabricated to permit automatic and/or semi automatic cleaning of both devices and trough. This invention improves fire safety and sanitation, saves time and reduces maintenance costs. Cleaning is achieved using less energy and keeps the heat exchanger at peak efficiency to further enhance energy savings. | 01-15-2009 |
| 20090194093 | BAFFLE-TYPE GREASE FILTERS FOR KITCHEN VENTILATORS - A grease filter has upper and lower baffle assemblies that define tortuous paths for exhaust air flowing therethrough. The baffles in the upper assembly include a perforated metal strips and bent free edges to maximize grease extraction from the exhaust air. A hinge connects the upper and lower baffle assemblies and permits the assemblies to pivot from a closed position to an open position. In the open position, access is provided to all surfaces of the assemblies so that they can be efficiently cleaned. | 08-06-2009 |
| 20100275900 | Exhaust air mist separator - A grease containment apparatus to remove grease and other contaminants from hot air exiting a kitchen area through a vent system which includes a vertical separator. | 11-04-2010 |
| 20100258109 | RETROFIT APPARATUS FOR A COOKING DEVICE - A retrofit apparatus for a preexisting cooking device comprises a hood that defines a liquid removal section, a motor disposed within the hood, and a motor gear rotatable by the motor to facilitate rotating a centrifugal liquid removal device. The motor gear may comprise a plurality of teeth configured to engage a motor gear coupling on a shaft of the centrifugal liquid removal device, and the motor gear may be configured to automatically engage the motor gear coupling to facilitate rotating the centrifugal liquid removal device. In other embodiments, a lifting mechanism in the preexisting cooking device is configured to move the centrifugal liquid removal device from a cooking section to the liquid removal section. | 10-14-2010 |
| 126299000 | Stove surface ventilation only | 50 |
| 20130087135 | BUILT-IN RETRACTABLE VENTILATION HOOD ASSEMBLY - A built-in ventilation hood assembly for air exhausting is disclosed. An example built-in ventilation hood assembly may comprise a housing and a retractable hood unit configured to be slidably mounted within the housing. The retractable hood unit may comprise at least one air intake into which air is drawn. The built-in ventilation hood assembly may further comprise a driving unit configured to slide the retractable hood unit out from the housing or slide the retractable hood unit in to the housing, and a ventilation unit being installed within the housing and configured to draw air in through the at least one air intake. | 04-11-2013 |
| 20110214664 | EXTRACTOR HOOD - An extractor hood ( | 09-08-2011 |
| 20090288655 | GREASE FILTER ASSEMBLY FOR - A grease filter assembly for use in a range hood to remove airborne grease is disclosed to include an air deflector with guide rollers and grille, a roll of grease filter mounted in a filter supply chamber at the air deflector with one end of the grease filter extending out of the filter supply chamber over the grilles and the guide rollers into a waste filter collecting chamber, and a motor mounted in the air deflector and controllable to transfer the grease filter into the waste grease collecting chamber by means of a sheet-transfer cylinder and an impression cylinder. | 11-26-2009 |
| 20080302352 | Exhaust Hood and Method of Mounting Same - An exhaust hood ( | 12-11-2008 |
| 20080308088 | Low Profile Exhaust Hood - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 12-18-2008 |
| 20100269815 | EXTRACTOR HOOD, IN PARTICULAR FOR DOMESTIC ENVIRONMENTS - An extractor hood, in particular for domestic environments, comprising: a frame ( | 10-28-2010 |
| 20110232625 | SUCTION HOOD - The invention relates to a suction hood, a) which sucks air from a first area to a second area, b) wherein the hood comprises b1) a first sucking means ( | 09-29-2011 |
| 20110240004 | SUCTION HOOD - The invention relates to a suction hood ( | 10-06-2011 |
| 20120037144 | SUCTION HOOD - The invention relates to a sucking means ( | 02-16-2012 |
| 20120204855 | Cooking Device with Ventilation and Filtration System - A cooking device with a ventilation and filtration system is disclosed that may be a mobile cart. The ventilation and filtration system provides removal of heated and effluent-laden air from the vicinity of the cooking device utilizing a manually telescoping vent having a handle for positioning the vent. The telescoping vent piece may be easily manually removable and reattachable for cleaning. Further, the downdraft ventilator is in communication with a filtration and effluent removal system that may have one or more filters and may also have a drip tray. | 08-16-2012 |
| 20120111314 | SENSOR UNIT FOR A SUCTION HOOD, SUCTION HOOD AND COOKING DEVICE - The invention relates to a sensor unit ( | 05-10-2012 |
| 20120152229 | Range hood capable of resisting draft - A range hood capable of resisting draft is provided above a counter on the top of which an air-generation device is located. The range hood comprises an air-extraction hood that has a bottom provided with an elongate air-extraction slot for drawing air upwards. Besides, an air blow groove is provided in front of the elongate air-extraction slot for blowing air downwards. A long left upright plate and a long right upright plate are respectively provided below the left and right lateral surfaces of the air-extraction hood. Thereby, when the elongate air-extraction slot draws in air, an oblique airflow is formed. Besides, the long left and right upright plates are able to hinder the draft coming from lateral sides, so as to protect the oblique airflow structure. Consequently, an intact upwards-flowing airflow is formed to exhaust soot and harmful gases. | 06-21-2012 |
| 20120152228 | METHOD AND APPARATUS FOR THE THERMAL PROTECTION OF LED LIGHT MODULES IN A RANGE HOOD APPLIANCE - A method and apparatus for the thermal protection of LED light modules in a range hood appliance is provided. If the temperature of the LED light module reaches a predetermined temperature, one or more protective actions are taken to prevent over heating the LED light module. Such protective actions can include e.g., decreasing and/or terminating the power to the LED light module, opening a damper to provide air for cooling the LED light module, and/or activating a fan to provide forced convection cooling of the LED light module. | 06-21-2012 |
| 20110315136 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 12-29-2011 |
| 20100206292 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 08-19-2010 |
| 20090107482 | PROTECTIVE BARRIER SYSTEM AGAINST COOKING SPLATTER - A barrier system protecting a wall from cooking surface splatter includes a panel having an exterior surface and a rear surface spatially offset from the wall. The panel also has a bottom edge and an opposing upper edge. The panel is secured to the wall with multiple securements such that the lower edge of the panel is positioned between 0.635 and 1.27 centimeters above the cooking surface. The securements include a pedestal that defines the offset between the wall and the rear surface of the panel and a fastener in simultaneous contact with the panel by way of an aperture in the panel, the pedestal, and the wall. A panel formed of tempered glass is amenable to inclusion of an ultraviolet illumination light source that facilitates degradation of splatter on the panel. | 04-30-2009 |
| 20130042853 | COOKING ASSEMBLY THAT SAVES ENERGY, REDUCES NOISE, AND CIRCULARLY REMOVES FUMES - A cooking assembly that saves energy, reduces noise, and circularly removes fumes comprises a venting outlet disposed opposite to an absorbing inlet of an absorbing device. The air expelled from the venting outlet permits guiding fumes and smells generated during cooking into an absorbing scope of the absorbing inlet, thereby offering a recurring air curtain over a cooking platen. The cooking assembly keeps heating energy but takes away the cooking fumes and smells from the cooking platen via a consistent and recurring operation to clarify the air. The recurring air curtain avoids wasting air conditioning energy and prevents from leaking the air polluted by fumes out, which allows the cooking assembly to omit an extra outdoor discharging pipe but attain a fresh and tranquil dining atmosphere, and decrease the energy consumption of the facility for being friendly to the environment. | 02-21-2013 |
| 20100116263 | DEVICE FOR REMOVING COOKING VAPORS COMPRISING A FLAT EXHAUST AIR DUCT - The invention relates to a device for removing cooking vapors in a direction vertically below a hob plane ( | 05-13-2010 |
| 20090260616 | VENTILATING KITCHEN RANGE SUBFRAME - A kitchen range subframe includes air channels for passively directing air to and/or from an element enclosure within the kitchen range, and a range component shelf that is configured to mount one or more range components to the kitchen range subframe. The kitchen range subframe provides improved ventilation for the kitchen range, and mounting locations for range components such as gas lines and kitchen range controls. | 10-22-2009 |
| 20100163012 | EXTRACTOR HOOD - An extractor hood includes a housing with a fan disposed therein and an extraction opening for the entry of fumes into the extractor hood on the bottom of the extractor hood. The extractor hood has an air outlet gap on the top of the extractor hood in the edge region of the extractor hood. The air outlet gap is adjacent to a surface that is arched in the direction of the bottom of the extractor hood. | 07-01-2010 |
| 20090183728 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including at least one air flow restricting and redistributing baffle plate and terminating in an upwardly angled outlet for introducing intake air along the side of the appliance, resulting in heating and elevating the intake air within a perimeter defined by the hood and thereby minimizing loss of conditioned air existing within the enclosed space. | 07-23-2009 |
| 20100043772 | EXTRACTOR HOOD - An extractor hood including a housing, a vapor shield pivotably mounted on the housing, and at least one pivot bearing connecting the vapor shield to the housing. The at least one pivot bearing has a bearing axis in a vicinity of a center of gravity of the vapor shield. | 02-25-2010 |
| 20130037017 | LOW PROFILE EXHAUST HOOD - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 02-14-2013 |
| 20130087134 | Cookery Air Purification and Exhaust System - An air filtration and exhaust system is described. The system comprises a microcontroller, a power supply, and a series of sensors that detect the presence of airborne contaminants such as ultra fine particles, smoke, natural gas and radon gas. In the presence of these airborne contaminants, the system is designed to inactivate and prevent operation of nearby food preparation appliances. Once these contaminants have been safely removed, the operation of these appliances is restored. In addition, the ventilation system may be equipped with a purification subassembly, which safely and efficiently removes such containments from the area. The system may also comprise an alarm that is activatable in the presence of these contaminants. | 04-11-2013 |
| 20130087133 | VENTILATING RANGE HOOD - A ventilating range hood having an interior transverse wall spanning between the side walls of the hood. The transverse wall separates the range hood into a rear chamber and a forward chamber. The transverse wall includes an aperture for allowing communication between the forward and rear chambers and a closure member for selectively opening and closing the aperture. A plate is removably connected to the back wall for covering the rear exhaust opening. In a recirculation only mode, the rear exhaust opening is covered by the removable plate and the closure member is opened so that air drawn into the rear chamber through the air intake flows through the aperture and out the top exhaust opening. | 04-11-2013 |
| 20130092148 | ENERGY RECOVERY DEVICES, SYSTEMS, AND METHODS - Energy recovery devices, systems and methods, and energy recovery control systems and methods for efficient extraction and reuse of waste heat from exhaust fumes generated from cooking appliances. | 04-18-2013 |
| 20130061843 | RETRACTABLE VENTILATION SYSTEM - A retractable ventilation system for a household appliance includes a lifting motor for moving the ventilation system in two opposing directions, and a switch controlling movement of the lifting motor. A first actuation of the switch moves the ventilation system in a first (or preferred) of the two directions, and a second actuation of the switch moves the ventilation system in a second direction opposing the first direction. Furthermore, a household appliance includes an extractor hood, a cooking appliance or a combination thereof, and at least one of the proposed retractable ventilation systems. A method for operating the retractable ventilation system is also described. | 03-14-2013 |
| 20090032011 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 02-05-2009 |
| 20100319676 | EXHAUST HOOD WITH GREASE ABSORBING MATERIAL ON A ROLL - A kitchen exhaust system includes a dispenser and a receiver, with a supply spool of grease absorbent material provided in the dispenser. In a process to replace the contaminated material, portions of the web can be selectively removed from the air flow path into the receiver while drawing uncontaminated portions of the web from the dispenser to the path of air flow. | 12-23-2010 |
| 20100242945 | INTEGRATED STOVE IN WHICH OIL SMOKE IS DISCHARGED DOWNWARD - An integrated stove in which oil smoke is discharged downward comprises a cabinet body; a plurality of cylindrical sunken stove holes are installed on the panel of the body; a cooker is installed on the soleplate of the stove holes; major arc shaped air suction ports are installed at the upper part of the wall of the stove holes; a handle hole is installed in one side of the stove holes facing person; a soleplate parallel to the panel basically is installed; the soleplate has a structure in the shape of pan bottom; and the part of the soleplate close to the side wall of the body extends to the combined part of the panel and the soleplate. The panel is mounted at the top of the side wall. The stove holes are embedded in the double-layer structure formed by the panel and the soleplate. The side wall of the stove holes is both connected with the panel and the soleplate in sealing way, the panel, the soleplate and the side wall of the stove holes are enclosed to form a communicated sealed gas collecting chamber. The air port of a blower is installed at the open hole of the soleplate, and an exhaust pipe is connected with the blower. | 09-30-2010 |
| 20100126494 | EXHAUST HOOD WITH ADJUSTABLE SUPPLY AIR CONTAINMENT AIR STREAMS AND AIR CURTAINS - An exhaust hood and related methods for exhausting fumes are disclosed. The exhaust hood comprises a housing forming a collection region having an entry portion and an upper portion disposed above the entry portion, an exhaust inlet coupled with the housing and configured to draw air from the entry and upper portions, and a supply assembly coupled with the housing and configured to output a flow of supply air. The supply assembly is configured to direct a first portion of the supply air across the collection region generally towards the exhaust inlet and direct a second portion of the supply air generally downward away from the collection area. The directed first portion of the supply air divides the collection region into the entry and upper portions. The portion of the supply air directed into at least the first portion or the second portion can be adjustable. | 05-27-2010 |
| 20090165776 | Metal Sheet Ventilation/Smoke Duct Section and Manufacturing Method Thereof - The invention relates to a metal sheet ( | 07-02-2009 |
| 20090211564 | Smoke Exhaust With An Air Curtain Fan - A smoke exhaust has a casing, a suction fan and an air curtain fan. The casing has an air chamber, an air duct and a smoke collecting eaves. The air chamber has a lower inlet and an upper inlet. The smoke collecting eaves is mounted on the casing. The suction fan is mounted in the casing. The air curtain fan is mounted on the eaves and is capable generating a downward air curtain. The air curtain prevents the smoke from spreading out of the smoke exhaust. | 08-27-2009 |
| 20090241934 | MOTORIZED EXTRACTOR HOOD FOR KITCHENS OF VERTICAL SLIDING TYPE - The present invention relates to a motorized extractor hood for kitchens, of the type housed and vertically sliding inside a vertical compartment ( | 10-01-2009 |
| 20100258108 | Air Port Closing Device for Cooking Fume Exhauster being Unitary with Range - A closing unit for air port of integrated machine of cooking fume exhauster and range includes a lifting ring ( | 10-14-2010 |
| 20110056479 | VARIABLE VENTILATION METHOD AND SYSTEM - A system and method for providing variable ventilation for a cooking environment. The system includes a plurality of cooking appliances, wherein each appliance has various operating parameters indicative of a cooking level of each appliance; a cooking event monitor operably connected to each of the cooking appliances and configured to: (1) determine a level of ventilation for each of the plurality of appliances based upon the cooking level of each appliance, (2) determine a control signal based upon the determined level of ventilation, and (3) transmit the control signal; a motor speed controller operably connected to the cooking event monitor and configured to receive the control signal; and at least one exhaust fan operably connected to the motor speed controller, wherein the motor speed controller adjusts a speed of the exhaust fan based upon the control signal. | 03-10-2011 |
| 20110056478 | Hood Device for Grill - A hood device for grill comprises a hood, a telescoping tubing, a filter assembly, a grease cup, and an external fan. The hood partially covers a grill at a first elevated vertical position and collects smokes from the grill. The telescoping tubing extends from the hood and is configured for ventilating, and telescoping between the first and second positions. The filter assembly is disposed at a lower end of the telescoping tubing, and comprises filter with concentric and cylindrical layers. The grease cup is for collecting grease from the filter. The fan is for building up an ascending air current inside the telescoping tubing. A velocity of the ascending air current is determined according to the first elevated vertical position, a ratio of a diameter of the hood to a diameter of the grill, and a surface temperature of the grill. | 03-10-2011 |
| 20100000512 | Pollutant Removing Device and Dual-Air Curtain Range Hood Using the Device - A pollutant removing device includes first and second air blow devices respectively located at front and rear ends of a pollutant generation source or an oven and respectively including a first elongate air blow slot and a second elongate air blow slot so as to blow air upward. A suction device is located above a counter top to which the pollutant generation source or the oven is installed. The suction device includes at least one elongate suction opening which is connected with a suction machine. The at least one elongate suction opening is parallel to the first and the second elongate air blow slots. Two air curtains are formed between the at least one elongate suction opening and the first and second elongate air blow slots. The gas, vapor, or particulate type pollutants located between the two air curtains is sucked via the at least one elongate suction opening. | 01-07-2010 |
| 20100294259 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 11-25-2010 |
| 20100059040 | VENT SYSTEM FOR A COOKING APPLIANCE - A vent system for a cooking appliance is disclosed. The appliance has a cooktop surface supporting a plurality of surface heating units. The vent system includes a vent box mounted beneath the cooktop surface; a telescopic vent assembly telescopically mounted relative to the vent box, the telescopic vent assembly being movable between a retracted position proximate the cooktop surface and an extended position above the cooktop surface; a retention unit configured to releasably hold the telescopic vent assembly in the retracted position; and a stored energy mechanical drive unit configured to move the telescopic vent assembly in a first direction to the extended position upon release of the retention unit. | 03-11-2010 |
| 20100065038 | Exhaust Canopy - A stove vent and canopy positionable above a cooking surface to any of a plurality of positions between a fully retracted position and a fully extended position. In a fully retracted position, the vent is positionable immediately adjacent to the surface allowing for venting of cooking vapors without blocking the user's view over the stove. Telescoping to the fully extended to position places the vent over the cooking surface and may employ a clear backsplash to continue to maintain the user's view behind the cooking surface. | 03-18-2010 |
| 20080202492 | SMOKELESS COOKER - A smokeless cooker includes a table located indoors, with a cabinet, which may include a plurality of individual boxes stacked and assembled together, below the table. A gas-discharge flow path leads from the cabinet to the outdoors. The cabinet includes an inner box with an open upper portion in an upper opening section of an outer box. An installed cooking means is located inside the inner box. A suction flow path is formed outside the inner box, with a suction hole in the inner wall of the suction flow path above a heating surface of the installed cooking means. The gas-discharge flow path includes a fat/oil filtering section, an absorption deodorizing section, a HEPA filter and a fan. A duct leading to the outdoors is present at the downstream side of the HEPA filter. | 08-28-2008 |
| 20080202491 | Air Collecting Device And Exhaust Air Box, In Particular Usable In Said Device - The invention relates to an air holding device comprising a channel system raised from a suction opening disposed at a height of a workstation generating dirty air or vapours and leading to at least one outlet opening. An exhausting fan is placed between a prefilter and at least one odour filter. The channel system is embodied in the form of an exhaust air box disposed downstream of the exhaust fan. The lateral surface of the exhaust air box comprises an air inlet which is connected to the downstream side of the exhausting fan. The other lateral surfaces are selectively provided with air outlet openings covered respectively with an odour filter having an adjustable air resistance. Said odour filter preferably consists of a foam material coated with active carbon and the air resistance thereof is selectable according the thickness and/or porosity of the foam material. | 08-28-2008 |
| 20110114076 | COMMERCIAL KITCHEN EXHAUST SYSTEM - An exhaust system includes a hood structure having one or more of (i) an exhaust flow infeed surface extending downward from a lower end of the filter unit that helps to feed the thermal plume toward the filter unit, (ii) a bypass flow transition surface extending upward from the upper end of the filter unit and then forward to aid bypass flow in circulating back toward the filter aperture and (iii) a front wall structure that includes a downwardly extending wall portion with a chamfered and/or curved transition portion at its lower end and a rearwardly extending wall portion. | 05-19-2011 |
| 20100012110 | AIR-CIRCULATING MODULE AND FUME EXTRACTION DEVICE - An air-circulator includes an housing with an air inlet, an air outlet opening, an odor filter, and an insertion opening for inserting the odor filter. The odor filter is assigned to the air outlet opening. | 01-21-2010 |
| 20090199844 | EXHAUST HOOD WITH AIR CURTAIN - An exhaust hood captures and contains a thermal plume with a minimum of exhaust air by defining a short-throw planar jet around a protected perimeter. Corner interference is mitigated by various mechanisms including having at least one of adjacent planar jets run only partly along a respective edge such that said first and second curtain jets do not meet at said corner; having a direction of the planar jets proximate corners where they meet being intermediate between respective directions of the jets along respective main portions of the perimeter; or having a direction of the jets of one of the adjacent edges be horizontal while the other is vertical. | 08-13-2009 |
| 20120152227 | FORCED CONVECTION COOLING OF LED LIGHTING AND ELECTRONICS IN A RANGE HOOD APPLIANCE - The use of forced convection or air currents to provide cooling of LED lighting and/or other electronics in a range hood appliance is provided. A channel provides for a flow of air over the electronics to providing cooling to the same. Various configurations are provided for causing air to flow through the channel. | 06-21-2012 |
| 20120055460 | Internally Adjustable Damper - An internally adjustable damper for use in a commercial kitchen includes a housing having a sidewall defining an interior, a first open end, and a second open end in fluid communication with the first open end. A damper blade is disposed within the housing and is rotatable about an axis of rotation to allow a selectable air flow resistance. An arch extends from the damper blade and adjacent to the sidewall, the arch being symmetric about the axis of rotation. A threaded stud extends from the sidewall into the interior of the housing and is disposed adjacent the arch. A fastener is operatively coupled to the threaded stud, wherein the fastener is adapted to selectively press down against the arch, thereby fixing the location of the damper blade, and retract from the arch, thereby allowing the damper blade to rotate about the axis of rotation. The fastener and the baffle are accessible from inside the housing through either the first open end or the second open end. | 03-08-2012 |
| 20110094497 | HOOD DEVICES, METHODS, AND SYSTEMS WITH FEATURES TO ENHANCE CAPTURE AND CONTAINMENT - A device that augments the capture and containment of an exhaust hood using jets is retrofitable to existing exhaust hoods. The device, in embodiments, forms a self-contained system that is separate from the hood and can be installed in existing hoods providing them with increased performance. Various embodiments are shown which are suitable for canopy and backshelf hood designs. | 04-28-2011 |
| 20120152226 | HEAT SINK FOR A COOKING APPLIANCE - A heat sink for LEDs or other electronic elements in a kitchen appliance is provided. The chassis or other heat conducting components of the appliance are used as a heat sink to conduct away heat. The LEDs or other electronic features may be connected directly to the heat sink or may be connected by e.g., a bracket. | 06-21-2012 |
| 20100095950 | Kitchen Ventilation Hood Apparatus - The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods. | 04-22-2010 |
| 20100095949 | Pollutant removing device and oblique single air curtain range hood using the device - The present invention relates to a pollutant removing device and an oblique single air curtain range hood using the device. The rear side of the range hood is adjacent to a wall and the range hood includes an air blow device and a suction device. The air blow device has an elongate air blow slot that is provided in front of a counter top and through which air is blown upward. The suction device is located above the counter top and includes an elongate suction opening that is connected with a suction machine to produce upward suction force. The elongate suction opening is parallel to the elongate air blow slot in a way that the elongate suction opening is above and spaced from the elongate air blow slot toward the wall. By means of the operation of the suction machine, an oblique air curtain that is nearly two-dimensional is formed between the elongate suction opening and the elongate air blow slot. The gas or harmful gas located between the oblique air curtain and the wall can be sucked via the elongate suction opening. Consequently, the escape of pollutants is decreased and the ability against interference of sucking harmful gas resulted from ambient air turbulence can be enhanced. | 04-22-2010 |
| 20120160230 | Fume Extraction Hood - The present invention relates to a fume extraction hood ( | 06-28-2012 |
| 20120125316 | VENTILATION SYSTEM FOR A RANGE HOOD WITH EXHAUST AND RECIRCULATION OPTIONS - A ventilation system for a range hood of a kitchen area is provided. More particularly, a kitchen ventilation system is provided that has both exhaust and recirculation options that are provided by internally contained features for directing the flow of air. The system can be installed as a modular unit as part of a new or existing range hood. | 05-24-2012 |
| 20120247451 | TEPPANYAKI ASSEMBLY AVAILABLE FOR SUCKING AIR BY MULTIPLE ANGLES - A teppanyaki assembly available for sucking air by multiple angles comprises a platform including a cooking plane, and an air pump installed in the platform and including an air guider as well as an air channel. Wherein, the air guider has a housing disposed on the cooking plane and a regulator pivoted to the housing. Tuning the regulator allows an air entrance on the regulator to confront an external opening on the housing by different degrees so as to pump air with divergent angles and filter air properly. Besides, an air extracting effect could be favorably controlled in accordance with different food. | 10-04-2012 |
| 20100051011 | VENT HOOD FOR A COOKING APPLIANCE - A vent hood is disclosed. The vent hood includes an enclosure having an inlet and a fluid passage, a first stage fluid moving device disposed adjacent to the inlet and configured to provide a substantially uniform inflow of fluid across the inlet, and a second stage fluid moving device disposed within the enclosure and downstream of the first stage fluid moving device. | 03-04-2010 |
| 20100051010 | Recirculating, self-contained ventilation system - A system includes an intake, an exhaust, and an adjustable directing member. The intake is for taking in air, the exhaust is for exhausting air, and the adjustable directing member is positioned for directing exhaust air toward the intake. Another aspect is a system that includes a source of polluted air and an air cleaning system. The air cleaning system includes an intake, an exhaust, and a directing member. The intake is for taking in polluted air and the exhaust is for exhausting air. The directing member is for directing air from the exhaust toward the intake to provide an air screen for keeping the polluted air in the vicinity of the intake. | 03-04-2010 |
| 20120255539 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including a perforated plate mounted to an inside face thereof in proximity to a bottom closed edge of said plenum and in order to introduce intake air to a side location of the appliance in order to equalize internal pressure and to facilitate upward movement of heated air from the appliance. | 10-11-2012 |
| 20100326419 | RANGE HOOD - A range hood, containing at least a fan having a housing and an impeller, an oil filter, a cover, a fume exhaust cover, a light, and a switch. The housing of the fan is a circular double-chamber or multi-chamber structure with an air inlet and an air outlet, and the impeller of the fan contains at least one group of arc-shaped blades each having a closed side and being enlarged in an axial direction. | 12-30-2010 |
| 20130008429 | Replaceable Capture Hoods for Recirculating, self-contained ventilation system - A system includes a plurality of capture hoods and a hood supporting unit. Each of the plurality of capture hoods has a hood portion and a connection portion. The connection portion is for connection to the hood supporting unit. The hood supporting unit is capable of connecting to just one of the plurality of capture hoods at a time. The hood portions of the plurality of capture hoods have different shapes. The connection portions of the plurality of capture hoods are identical so any one of the plurality of capture hoods can connect to the hood supporting unit. | 01-10-2013 |
| 20130074823 | RANGE EXHAUST CLEANING SYSTEM AND METHOD - A cleaning system for a cooking range exhaust having a range hood, a backsplash, and an exhaust flue for exhausting cooking effluent is disclosed. The cleaning system can include a fluid delivery system constructed for partial placement within the cooking range exhaust. The fluid delivery system can include a hood spray conduit constructed for placement within the hood and comprising spray openings for directing a degreasing composition to the backsplash. The fluid delivery system can also include a flue spray conduit constructed for placement within or outside the exhaust flue and comprising at least one spray opening for directing the degreasing composition to an interior surface of the flue. The cleaning system can include a pump system constructed for conveying the degreasing composition from a degreasing composition source and through the fluid delivery system. A method of cleaning a cooking range exhaust and a self-cleaning exhaust system are also disclosed. | 03-28-2013 |
| 20090272372 | Kitchen Hood Assembly with a Combination Cleaning and Fire Suppression System - A kitchen hood assembly includes a combination hood cleaning and fire suppression system. The hood assembly includes a hood structure and a riser connected thereto. An exhaust blower forces an exhaust stream of air into the hood and through the riser. A combination hood cleaning and fire suppression system is incorporated into the hood structure. The combination hood cleaning and fire suppression system includes an elongated spray bar that is connected to a water source and includes a surfactant injector that injects a surfactant into the water being directed to the spray bar. In one mode of operation, the spray bar is effective to clean the hood assembly. In another mode of operation, when a fire is sensed in or in the vicinity of the hood, the same spray bar is utilized to inject an aqueous liquid into the hood to suppress the fire. | 11-05-2009 |
| 20090013989 | LINEAL SLOT VENTILATOR WITH INTERNAL CLEANING SYSTEM AND ADJUSTABLE BAFFLE - In an exemplary embodiment, this system is found within a kitchen hood, such as those found in restaurants, used to remove excess cooking heat and grease. Building fire safety and sanitation codes mandate routine hood maintenance to maintain fire safety, operator comfort and workplace sanitation. Conventional maintenance can be very messy, time consuming and quite expensive. In an exemplary embodiment, the hood is fabricated to incorporate an integral heat exchanger which further creates a trough housing a grease extraction device. The exchanger and trough are located in such a manner that collected heat and/or grease may be removed from the exhaust air stream and further fabricated to permit automatic and/or semi automatic cleaning of both devices and trough. This invention improves fire safety and sanitation, saves time and reduces maintenance costs. Cleaning is achieved using less energy and keeps the heat exchanger at peak efficiency to further enhance energy savings. | 01-15-2009 |
| 20090194093 | BAFFLE-TYPE GREASE FILTERS FOR KITCHEN VENTILATORS - A grease filter has upper and lower baffle assemblies that define tortuous paths for exhaust air flowing therethrough. The baffles in the upper assembly include a perforated metal strips and bent free edges to maximize grease extraction from the exhaust air. A hinge connects the upper and lower baffle assemblies and permits the assemblies to pivot from a closed position to an open position. In the open position, access is provided to all surfaces of the assemblies so that they can be efficiently cleaned. | 08-06-2009 |
| 20100275900 | Exhaust air mist separator - A grease containment apparatus to remove grease and other contaminants from hot air exiting a kitchen area through a vent system which includes a vertical separator. | 11-04-2010 |
| 20100258109 | RETROFIT APPARATUS FOR A COOKING DEVICE - A retrofit apparatus for a preexisting cooking device comprises a hood that defines a liquid removal section, a motor disposed within the hood, and a motor gear rotatable by the motor to facilitate rotating a centrifugal liquid removal device. The motor gear may comprise a plurality of teeth configured to engage a motor gear coupling on a shaft of the centrifugal liquid removal device, and the motor gear may be configured to automatically engage the motor gear coupling to facilitate rotating the centrifugal liquid removal device. In other embodiments, a lifting mechanism in the preexisting cooking device is configured to move the centrifugal liquid removal device from a cooking section to the liquid removal section. | 10-14-2010 |
| 126299000 | Including liquid contact | 6 |
| 20130087135 | BUILT-IN RETRACTABLE VENTILATION HOOD ASSEMBLY - A built-in ventilation hood assembly for air exhausting is disclosed. An example built-in ventilation hood assembly may comprise a housing and a retractable hood unit configured to be slidably mounted within the housing. The retractable hood unit may comprise at least one air intake into which air is drawn. The built-in ventilation hood assembly may further comprise a driving unit configured to slide the retractable hood unit out from the housing or slide the retractable hood unit in to the housing, and a ventilation unit being installed within the housing and configured to draw air in through the at least one air intake. | 04-11-2013 |
| 20110214664 | EXTRACTOR HOOD - An extractor hood ( | 09-08-2011 |
| 20090288655 | GREASE FILTER ASSEMBLY FOR - A grease filter assembly for use in a range hood to remove airborne grease is disclosed to include an air deflector with guide rollers and grille, a roll of grease filter mounted in a filter supply chamber at the air deflector with one end of the grease filter extending out of the filter supply chamber over the grilles and the guide rollers into a waste filter collecting chamber, and a motor mounted in the air deflector and controllable to transfer the grease filter into the waste grease collecting chamber by means of a sheet-transfer cylinder and an impression cylinder. | 11-26-2009 |
| 20080302352 | Exhaust Hood and Method of Mounting Same - An exhaust hood ( | 12-11-2008 |
| 20080308088 | Low Profile Exhaust Hood - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 12-18-2008 |
| 20100269815 | EXTRACTOR HOOD, IN PARTICULAR FOR DOMESTIC ENVIRONMENTS - An extractor hood, in particular for domestic environments, comprising: a frame ( | 10-28-2010 |
| 20110232625 | SUCTION HOOD - The invention relates to a suction hood, a) which sucks air from a first area to a second area, b) wherein the hood comprises b1) a first sucking means ( | 09-29-2011 |
| 20110240004 | SUCTION HOOD - The invention relates to a suction hood ( | 10-06-2011 |
| 20120037144 | SUCTION HOOD - The invention relates to a sucking means ( | 02-16-2012 |
| 20120204855 | Cooking Device with Ventilation and Filtration System - A cooking device with a ventilation and filtration system is disclosed that may be a mobile cart. The ventilation and filtration system provides removal of heated and effluent-laden air from the vicinity of the cooking device utilizing a manually telescoping vent having a handle for positioning the vent. The telescoping vent piece may be easily manually removable and reattachable for cleaning. Further, the downdraft ventilator is in communication with a filtration and effluent removal system that may have one or more filters and may also have a drip tray. | 08-16-2012 |
| 20120111314 | SENSOR UNIT FOR A SUCTION HOOD, SUCTION HOOD AND COOKING DEVICE - The invention relates to a sensor unit ( | 05-10-2012 |
| 20120152229 | Range hood capable of resisting draft - A range hood capable of resisting draft is provided above a counter on the top of which an air-generation device is located. The range hood comprises an air-extraction hood that has a bottom provided with an elongate air-extraction slot for drawing air upwards. Besides, an air blow groove is provided in front of the elongate air-extraction slot for blowing air downwards. A long left upright plate and a long right upright plate are respectively provided below the left and right lateral surfaces of the air-extraction hood. Thereby, when the elongate air-extraction slot draws in air, an oblique airflow is formed. Besides, the long left and right upright plates are able to hinder the draft coming from lateral sides, so as to protect the oblique airflow structure. Consequently, an intact upwards-flowing airflow is formed to exhaust soot and harmful gases. | 06-21-2012 |
| 20120152228 | METHOD AND APPARATUS FOR THE THERMAL PROTECTION OF LED LIGHT MODULES IN A RANGE HOOD APPLIANCE - A method and apparatus for the thermal protection of LED light modules in a range hood appliance is provided. If the temperature of the LED light module reaches a predetermined temperature, one or more protective actions are taken to prevent over heating the LED light module. Such protective actions can include e.g., decreasing and/or terminating the power to the LED light module, opening a damper to provide air for cooling the LED light module, and/or activating a fan to provide forced convection cooling of the LED light module. | 06-21-2012 |
| 20110315136 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 12-29-2011 |
| 20100206292 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 08-19-2010 |
| 20090107482 | PROTECTIVE BARRIER SYSTEM AGAINST COOKING SPLATTER - A barrier system protecting a wall from cooking surface splatter includes a panel having an exterior surface and a rear surface spatially offset from the wall. The panel also has a bottom edge and an opposing upper edge. The panel is secured to the wall with multiple securements such that the lower edge of the panel is positioned between 0.635 and 1.27 centimeters above the cooking surface. The securements include a pedestal that defines the offset between the wall and the rear surface of the panel and a fastener in simultaneous contact with the panel by way of an aperture in the panel, the pedestal, and the wall. A panel formed of tempered glass is amenable to inclusion of an ultraviolet illumination light source that facilitates degradation of splatter on the panel. | 04-30-2009 |
| 20130042853 | COOKING ASSEMBLY THAT SAVES ENERGY, REDUCES NOISE, AND CIRCULARLY REMOVES FUMES - A cooking assembly that saves energy, reduces noise, and circularly removes fumes comprises a venting outlet disposed opposite to an absorbing inlet of an absorbing device. The air expelled from the venting outlet permits guiding fumes and smells generated during cooking into an absorbing scope of the absorbing inlet, thereby offering a recurring air curtain over a cooking platen. The cooking assembly keeps heating energy but takes away the cooking fumes and smells from the cooking platen via a consistent and recurring operation to clarify the air. The recurring air curtain avoids wasting air conditioning energy and prevents from leaking the air polluted by fumes out, which allows the cooking assembly to omit an extra outdoor discharging pipe but attain a fresh and tranquil dining atmosphere, and decrease the energy consumption of the facility for being friendly to the environment. | 02-21-2013 |
| 20100116263 | DEVICE FOR REMOVING COOKING VAPORS COMPRISING A FLAT EXHAUST AIR DUCT - The invention relates to a device for removing cooking vapors in a direction vertically below a hob plane ( | 05-13-2010 |
| 20090260616 | VENTILATING KITCHEN RANGE SUBFRAME - A kitchen range subframe includes air channels for passively directing air to and/or from an element enclosure within the kitchen range, and a range component shelf that is configured to mount one or more range components to the kitchen range subframe. The kitchen range subframe provides improved ventilation for the kitchen range, and mounting locations for range components such as gas lines and kitchen range controls. | 10-22-2009 |
| 20100163012 | EXTRACTOR HOOD - An extractor hood includes a housing with a fan disposed therein and an extraction opening for the entry of fumes into the extractor hood on the bottom of the extractor hood. The extractor hood has an air outlet gap on the top of the extractor hood in the edge region of the extractor hood. The air outlet gap is adjacent to a surface that is arched in the direction of the bottom of the extractor hood. | 07-01-2010 |
| 20090183728 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including at least one air flow restricting and redistributing baffle plate and terminating in an upwardly angled outlet for introducing intake air along the side of the appliance, resulting in heating and elevating the intake air within a perimeter defined by the hood and thereby minimizing loss of conditioned air existing within the enclosed space. | 07-23-2009 |
| 20100043772 | EXTRACTOR HOOD - An extractor hood including a housing, a vapor shield pivotably mounted on the housing, and at least one pivot bearing connecting the vapor shield to the housing. The at least one pivot bearing has a bearing axis in a vicinity of a center of gravity of the vapor shield. | 02-25-2010 |
| 20130037017 | LOW PROFILE EXHAUST HOOD - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 02-14-2013 |
| 20130087134 | Cookery Air Purification and Exhaust System - An air filtration and exhaust system is described. The system comprises a microcontroller, a power supply, and a series of sensors that detect the presence of airborne contaminants such as ultra fine particles, smoke, natural gas and radon gas. In the presence of these airborne contaminants, the system is designed to inactivate and prevent operation of nearby food preparation appliances. Once these contaminants have been safely removed, the operation of these appliances is restored. In addition, the ventilation system may be equipped with a purification subassembly, which safely and efficiently removes such containments from the area. The system may also comprise an alarm that is activatable in the presence of these contaminants. | 04-11-2013 |
| 20130087133 | VENTILATING RANGE HOOD - A ventilating range hood having an interior transverse wall spanning between the side walls of the hood. The transverse wall separates the range hood into a rear chamber and a forward chamber. The transverse wall includes an aperture for allowing communication between the forward and rear chambers and a closure member for selectively opening and closing the aperture. A plate is removably connected to the back wall for covering the rear exhaust opening. In a recirculation only mode, the rear exhaust opening is covered by the removable plate and the closure member is opened so that air drawn into the rear chamber through the air intake flows through the aperture and out the top exhaust opening. | 04-11-2013 |
| 20130092148 | ENERGY RECOVERY DEVICES, SYSTEMS, AND METHODS - Energy recovery devices, systems and methods, and energy recovery control systems and methods for efficient extraction and reuse of waste heat from exhaust fumes generated from cooking appliances. | 04-18-2013 |
| 20130061843 | RETRACTABLE VENTILATION SYSTEM - A retractable ventilation system for a household appliance includes a lifting motor for moving the ventilation system in two opposing directions, and a switch controlling movement of the lifting motor. A first actuation of the switch moves the ventilation system in a first (or preferred) of the two directions, and a second actuation of the switch moves the ventilation system in a second direction opposing the first direction. Furthermore, a household appliance includes an extractor hood, a cooking appliance or a combination thereof, and at least one of the proposed retractable ventilation systems. A method for operating the retractable ventilation system is also described. | 03-14-2013 |
| 20090032011 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 02-05-2009 |
| 20100319676 | EXHAUST HOOD WITH GREASE ABSORBING MATERIAL ON A ROLL - A kitchen exhaust system includes a dispenser and a receiver, with a supply spool of grease absorbent material provided in the dispenser. In a process to replace the contaminated material, portions of the web can be selectively removed from the air flow path into the receiver while drawing uncontaminated portions of the web from the dispenser to the path of air flow. | 12-23-2010 |
| 20100242945 | INTEGRATED STOVE IN WHICH OIL SMOKE IS DISCHARGED DOWNWARD - An integrated stove in which oil smoke is discharged downward comprises a cabinet body; a plurality of cylindrical sunken stove holes are installed on the panel of the body; a cooker is installed on the soleplate of the stove holes; major arc shaped air suction ports are installed at the upper part of the wall of the stove holes; a handle hole is installed in one side of the stove holes facing person; a soleplate parallel to the panel basically is installed; the soleplate has a structure in the shape of pan bottom; and the part of the soleplate close to the side wall of the body extends to the combined part of the panel and the soleplate. The panel is mounted at the top of the side wall. The stove holes are embedded in the double-layer structure formed by the panel and the soleplate. The side wall of the stove holes is both connected with the panel and the soleplate in sealing way, the panel, the soleplate and the side wall of the stove holes are enclosed to form a communicated sealed gas collecting chamber. The air port of a blower is installed at the open hole of the soleplate, and an exhaust pipe is connected with the blower. | 09-30-2010 |
| 20100126494 | EXHAUST HOOD WITH ADJUSTABLE SUPPLY AIR CONTAINMENT AIR STREAMS AND AIR CURTAINS - An exhaust hood and related methods for exhausting fumes are disclosed. The exhaust hood comprises a housing forming a collection region having an entry portion and an upper portion disposed above the entry portion, an exhaust inlet coupled with the housing and configured to draw air from the entry and upper portions, and a supply assembly coupled with the housing and configured to output a flow of supply air. The supply assembly is configured to direct a first portion of the supply air across the collection region generally towards the exhaust inlet and direct a second portion of the supply air generally downward away from the collection area. The directed first portion of the supply air divides the collection region into the entry and upper portions. The portion of the supply air directed into at least the first portion or the second portion can be adjustable. | 05-27-2010 |
| 20090165776 | Metal Sheet Ventilation/Smoke Duct Section and Manufacturing Method Thereof - The invention relates to a metal sheet ( | 07-02-2009 |
| 20090211564 | Smoke Exhaust With An Air Curtain Fan - A smoke exhaust has a casing, a suction fan and an air curtain fan. The casing has an air chamber, an air duct and a smoke collecting eaves. The air chamber has a lower inlet and an upper inlet. The smoke collecting eaves is mounted on the casing. The suction fan is mounted in the casing. The air curtain fan is mounted on the eaves and is capable generating a downward air curtain. The air curtain prevents the smoke from spreading out of the smoke exhaust. | 08-27-2009 |
| 20090241934 | MOTORIZED EXTRACTOR HOOD FOR KITCHENS OF VERTICAL SLIDING TYPE - The present invention relates to a motorized extractor hood for kitchens, of the type housed and vertically sliding inside a vertical compartment ( | 10-01-2009 |
| 20100258108 | Air Port Closing Device for Cooking Fume Exhauster being Unitary with Range - A closing unit for air port of integrated machine of cooking fume exhauster and range includes a lifting ring ( | 10-14-2010 |
| 20110056479 | VARIABLE VENTILATION METHOD AND SYSTEM - A system and method for providing variable ventilation for a cooking environment. The system includes a plurality of cooking appliances, wherein each appliance has various operating parameters indicative of a cooking level of each appliance; a cooking event monitor operably connected to each of the cooking appliances and configured to: (1) determine a level of ventilation for each of the plurality of appliances based upon the cooking level of each appliance, (2) determine a control signal based upon the determined level of ventilation, and (3) transmit the control signal; a motor speed controller operably connected to the cooking event monitor and configured to receive the control signal; and at least one exhaust fan operably connected to the motor speed controller, wherein the motor speed controller adjusts a speed of the exhaust fan based upon the control signal. | 03-10-2011 |
| 20110056478 | Hood Device for Grill - A hood device for grill comprises a hood, a telescoping tubing, a filter assembly, a grease cup, and an external fan. The hood partially covers a grill at a first elevated vertical position and collects smokes from the grill. The telescoping tubing extends from the hood and is configured for ventilating, and telescoping between the first and second positions. The filter assembly is disposed at a lower end of the telescoping tubing, and comprises filter with concentric and cylindrical layers. The grease cup is for collecting grease from the filter. The fan is for building up an ascending air current inside the telescoping tubing. A velocity of the ascending air current is determined according to the first elevated vertical position, a ratio of a diameter of the hood to a diameter of the grill, and a surface temperature of the grill. | 03-10-2011 |
| 20100000512 | Pollutant Removing Device and Dual-Air Curtain Range Hood Using the Device - A pollutant removing device includes first and second air blow devices respectively located at front and rear ends of a pollutant generation source or an oven and respectively including a first elongate air blow slot and a second elongate air blow slot so as to blow air upward. A suction device is located above a counter top to which the pollutant generation source or the oven is installed. The suction device includes at least one elongate suction opening which is connected with a suction machine. The at least one elongate suction opening is parallel to the first and the second elongate air blow slots. Two air curtains are formed between the at least one elongate suction opening and the first and second elongate air blow slots. The gas, vapor, or particulate type pollutants located between the two air curtains is sucked via the at least one elongate suction opening. | 01-07-2010 |
| 20100294259 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 11-25-2010 |
| 20100059040 | VENT SYSTEM FOR A COOKING APPLIANCE - A vent system for a cooking appliance is disclosed. The appliance has a cooktop surface supporting a plurality of surface heating units. The vent system includes a vent box mounted beneath the cooktop surface; a telescopic vent assembly telescopically mounted relative to the vent box, the telescopic vent assembly being movable between a retracted position proximate the cooktop surface and an extended position above the cooktop surface; a retention unit configured to releasably hold the telescopic vent assembly in the retracted position; and a stored energy mechanical drive unit configured to move the telescopic vent assembly in a first direction to the extended position upon release of the retention unit. | 03-11-2010 |
| 20100065038 | Exhaust Canopy - A stove vent and canopy positionable above a cooking surface to any of a plurality of positions between a fully retracted position and a fully extended position. In a fully retracted position, the vent is positionable immediately adjacent to the surface allowing for venting of cooking vapors without blocking the user's view over the stove. Telescoping to the fully extended to position places the vent over the cooking surface and may employ a clear backsplash to continue to maintain the user's view behind the cooking surface. | 03-18-2010 |
| 20080202492 | SMOKELESS COOKER - A smokeless cooker includes a table located indoors, with a cabinet, which may include a plurality of individual boxes stacked and assembled together, below the table. A gas-discharge flow path leads from the cabinet to the outdoors. The cabinet includes an inner box with an open upper portion in an upper opening section of an outer box. An installed cooking means is located inside the inner box. A suction flow path is formed outside the inner box, with a suction hole in the inner wall of the suction flow path above a heating surface of the installed cooking means. The gas-discharge flow path includes a fat/oil filtering section, an absorption deodorizing section, a HEPA filter and a fan. A duct leading to the outdoors is present at the downstream side of the HEPA filter. | 08-28-2008 |
| 20080202491 | Air Collecting Device And Exhaust Air Box, In Particular Usable In Said Device - The invention relates to an air holding device comprising a channel system raised from a suction opening disposed at a height of a workstation generating dirty air or vapours and leading to at least one outlet opening. An exhausting fan is placed between a prefilter and at least one odour filter. The channel system is embodied in the form of an exhaust air box disposed downstream of the exhaust fan. The lateral surface of the exhaust air box comprises an air inlet which is connected to the downstream side of the exhausting fan. The other lateral surfaces are selectively provided with air outlet openings covered respectively with an odour filter having an adjustable air resistance. Said odour filter preferably consists of a foam material coated with active carbon and the air resistance thereof is selectable according the thickness and/or porosity of the foam material. | 08-28-2008 |
| 20110114076 | COMMERCIAL KITCHEN EXHAUST SYSTEM - An exhaust system includes a hood structure having one or more of (i) an exhaust flow infeed surface extending downward from a lower end of the filter unit that helps to feed the thermal plume toward the filter unit, (ii) a bypass flow transition surface extending upward from the upper end of the filter unit and then forward to aid bypass flow in circulating back toward the filter aperture and (iii) a front wall structure that includes a downwardly extending wall portion with a chamfered and/or curved transition portion at its lower end and a rearwardly extending wall portion. | 05-19-2011 |
| 20100012110 | AIR-CIRCULATING MODULE AND FUME EXTRACTION DEVICE - An air-circulator includes an housing with an air inlet, an air outlet opening, an odor filter, and an insertion opening for inserting the odor filter. The odor filter is assigned to the air outlet opening. | 01-21-2010 |
| 20090199844 | EXHAUST HOOD WITH AIR CURTAIN - An exhaust hood captures and contains a thermal plume with a minimum of exhaust air by defining a short-throw planar jet around a protected perimeter. Corner interference is mitigated by various mechanisms including having at least one of adjacent planar jets run only partly along a respective edge such that said first and second curtain jets do not meet at said corner; having a direction of the planar jets proximate corners where they meet being intermediate between respective directions of the jets along respective main portions of the perimeter; or having a direction of the jets of one of the adjacent edges be horizontal while the other is vertical. | 08-13-2009 |
| 20120152227 | FORCED CONVECTION COOLING OF LED LIGHTING AND ELECTRONICS IN A RANGE HOOD APPLIANCE - The use of forced convection or air currents to provide cooling of LED lighting and/or other electronics in a range hood appliance is provided. A channel provides for a flow of air over the electronics to providing cooling to the same. Various configurations are provided for causing air to flow through the channel. | 06-21-2012 |
| 20120055460 | Internally Adjustable Damper - An internally adjustable damper for use in a commercial kitchen includes a housing having a sidewall defining an interior, a first open end, and a second open end in fluid communication with the first open end. A damper blade is disposed within the housing and is rotatable about an axis of rotation to allow a selectable air flow resistance. An arch extends from the damper blade and adjacent to the sidewall, the arch being symmetric about the axis of rotation. A threaded stud extends from the sidewall into the interior of the housing and is disposed adjacent the arch. A fastener is operatively coupled to the threaded stud, wherein the fastener is adapted to selectively press down against the arch, thereby fixing the location of the damper blade, and retract from the arch, thereby allowing the damper blade to rotate about the axis of rotation. The fastener and the baffle are accessible from inside the housing through either the first open end or the second open end. | 03-08-2012 |
| 20110094497 | HOOD DEVICES, METHODS, AND SYSTEMS WITH FEATURES TO ENHANCE CAPTURE AND CONTAINMENT - A device that augments the capture and containment of an exhaust hood using jets is retrofitable to existing exhaust hoods. The device, in embodiments, forms a self-contained system that is separate from the hood and can be installed in existing hoods providing them with increased performance. Various embodiments are shown which are suitable for canopy and backshelf hood designs. | 04-28-2011 |
| 20120152226 | HEAT SINK FOR A COOKING APPLIANCE - A heat sink for LEDs or other electronic elements in a kitchen appliance is provided. The chassis or other heat conducting components of the appliance are used as a heat sink to conduct away heat. The LEDs or other electronic features may be connected directly to the heat sink or may be connected by e.g., a bracket. | 06-21-2012 |
| 20100095950 | Kitchen Ventilation Hood Apparatus - The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods. | 04-22-2010 |
| 20100095949 | Pollutant removing device and oblique single air curtain range hood using the device - The present invention relates to a pollutant removing device and an oblique single air curtain range hood using the device. The rear side of the range hood is adjacent to a wall and the range hood includes an air blow device and a suction device. The air blow device has an elongate air blow slot that is provided in front of a counter top and through which air is blown upward. The suction device is located above the counter top and includes an elongate suction opening that is connected with a suction machine to produce upward suction force. The elongate suction opening is parallel to the elongate air blow slot in a way that the elongate suction opening is above and spaced from the elongate air blow slot toward the wall. By means of the operation of the suction machine, an oblique air curtain that is nearly two-dimensional is formed between the elongate suction opening and the elongate air blow slot. The gas or harmful gas located between the oblique air curtain and the wall can be sucked via the elongate suction opening. Consequently, the escape of pollutants is decreased and the ability against interference of sucking harmful gas resulted from ambient air turbulence can be enhanced. | 04-22-2010 |
| 20120160230 | Fume Extraction Hood - The present invention relates to a fume extraction hood ( | 06-28-2012 |
| 20120125316 | VENTILATION SYSTEM FOR A RANGE HOOD WITH EXHAUST AND RECIRCULATION OPTIONS - A ventilation system for a range hood of a kitchen area is provided. More particularly, a kitchen ventilation system is provided that has both exhaust and recirculation options that are provided by internally contained features for directing the flow of air. The system can be installed as a modular unit as part of a new or existing range hood. | 05-24-2012 |
| 20120247451 | TEPPANYAKI ASSEMBLY AVAILABLE FOR SUCKING AIR BY MULTIPLE ANGLES - A teppanyaki assembly available for sucking air by multiple angles comprises a platform including a cooking plane, and an air pump installed in the platform and including an air guider as well as an air channel. Wherein, the air guider has a housing disposed on the cooking plane and a regulator pivoted to the housing. Tuning the regulator allows an air entrance on the regulator to confront an external opening on the housing by different degrees so as to pump air with divergent angles and filter air properly. Besides, an air extracting effect could be favorably controlled in accordance with different food. | 10-04-2012 |
| 20100051011 | VENT HOOD FOR A COOKING APPLIANCE - A vent hood is disclosed. The vent hood includes an enclosure having an inlet and a fluid passage, a first stage fluid moving device disposed adjacent to the inlet and configured to provide a substantially uniform inflow of fluid across the inlet, and a second stage fluid moving device disposed within the enclosure and downstream of the first stage fluid moving device. | 03-04-2010 |
| 20100051010 | Recirculating, self-contained ventilation system - A system includes an intake, an exhaust, and an adjustable directing member. The intake is for taking in air, the exhaust is for exhausting air, and the adjustable directing member is positioned for directing exhaust air toward the intake. Another aspect is a system that includes a source of polluted air and an air cleaning system. The air cleaning system includes an intake, an exhaust, and a directing member. The intake is for taking in polluted air and the exhaust is for exhausting air. The directing member is for directing air from the exhaust toward the intake to provide an air screen for keeping the polluted air in the vicinity of the intake. | 03-04-2010 |
| 20120255539 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including a perforated plate mounted to an inside face thereof in proximity to a bottom closed edge of said plenum and in order to introduce intake air to a side location of the appliance in order to equalize internal pressure and to facilitate upward movement of heated air from the appliance. | 10-11-2012 |
| 20100326419 | RANGE HOOD - A range hood, containing at least a fan having a housing and an impeller, an oil filter, a cover, a fume exhaust cover, a light, and a switch. The housing of the fan is a circular double-chamber or multi-chamber structure with an air inlet and an air outlet, and the impeller of the fan contains at least one group of arc-shaped blades each having a closed side and being enlarged in an axial direction. | 12-30-2010 |
| 20130008429 | Replaceable Capture Hoods for Recirculating, self-contained ventilation system - A system includes a plurality of capture hoods and a hood supporting unit. Each of the plurality of capture hoods has a hood portion and a connection portion. The connection portion is for connection to the hood supporting unit. The hood supporting unit is capable of connecting to just one of the plurality of capture hoods at a time. The hood portions of the plurality of capture hoods have different shapes. The connection portions of the plurality of capture hoods are identical so any one of the plurality of capture hoods can connect to the hood supporting unit. | 01-10-2013 |
| 20130074823 | RANGE EXHAUST CLEANING SYSTEM AND METHOD - A cleaning system for a cooking range exhaust having a range hood, a backsplash, and an exhaust flue for exhausting cooking effluent is disclosed. The cleaning system can include a fluid delivery system constructed for partial placement within the cooking range exhaust. The fluid delivery system can include a hood spray conduit constructed for placement within the hood and comprising spray openings for directing a degreasing composition to the backsplash. The fluid delivery system can also include a flue spray conduit constructed for placement within or outside the exhaust flue and comprising at least one spray opening for directing the degreasing composition to an interior surface of the flue. The cleaning system can include a pump system constructed for conveying the degreasing composition from a degreasing composition source and through the fluid delivery system. A method of cleaning a cooking range exhaust and a self-cleaning exhaust system are also disclosed. | 03-28-2013 |
| 20090272372 | Kitchen Hood Assembly with a Combination Cleaning and Fire Suppression System - A kitchen hood assembly includes a combination hood cleaning and fire suppression system. The hood assembly includes a hood structure and a riser connected thereto. An exhaust blower forces an exhaust stream of air into the hood and through the riser. A combination hood cleaning and fire suppression system is incorporated into the hood structure. The combination hood cleaning and fire suppression system includes an elongated spray bar that is connected to a water source and includes a surfactant injector that injects a surfactant into the water being directed to the spray bar. In one mode of operation, the spray bar is effective to clean the hood assembly. In another mode of operation, when a fire is sensed in or in the vicinity of the hood, the same spray bar is utilized to inject an aqueous liquid into the hood to suppress the fire. | 11-05-2009 |
| 20090013989 | LINEAL SLOT VENTILATOR WITH INTERNAL CLEANING SYSTEM AND ADJUSTABLE BAFFLE - In an exemplary embodiment, this system is found within a kitchen hood, such as those found in restaurants, used to remove excess cooking heat and grease. Building fire safety and sanitation codes mandate routine hood maintenance to maintain fire safety, operator comfort and workplace sanitation. Conventional maintenance can be very messy, time consuming and quite expensive. In an exemplary embodiment, the hood is fabricated to incorporate an integral heat exchanger which further creates a trough housing a grease extraction device. The exchanger and trough are located in such a manner that collected heat and/or grease may be removed from the exhaust air stream and further fabricated to permit automatic and/or semi automatic cleaning of both devices and trough. This invention improves fire safety and sanitation, saves time and reduces maintenance costs. Cleaning is achieved using less energy and keeps the heat exchanger at peak efficiency to further enhance energy savings. | 01-15-2009 |
| 20090194093 | BAFFLE-TYPE GREASE FILTERS FOR KITCHEN VENTILATORS - A grease filter has upper and lower baffle assemblies that define tortuous paths for exhaust air flowing therethrough. The baffles in the upper assembly include a perforated metal strips and bent free edges to maximize grease extraction from the exhaust air. A hinge connects the upper and lower baffle assemblies and permits the assemblies to pivot from a closed position to an open position. In the open position, access is provided to all surfaces of the assemblies so that they can be efficiently cleaned. | 08-06-2009 |
| 20100275900 | Exhaust air mist separator - A grease containment apparatus to remove grease and other contaminants from hot air exiting a kitchen area through a vent system which includes a vertical separator. | 11-04-2010 |
| 20100258109 | RETROFIT APPARATUS FOR A COOKING DEVICE - A retrofit apparatus for a preexisting cooking device comprises a hood that defines a liquid removal section, a motor disposed within the hood, and a motor gear rotatable by the motor to facilitate rotating a centrifugal liquid removal device. The motor gear may comprise a plurality of teeth configured to engage a motor gear coupling on a shaft of the centrifugal liquid removal device, and the motor gear may be configured to automatically engage the motor gear coupling to facilitate rotating the centrifugal liquid removal device. In other embodiments, a lifting mechanism in the preexisting cooking device is configured to move the centrifugal liquid removal device from a cooking section to the liquid removal section. | 10-14-2010 |
| 126299000 | Smoke eliminators and flue deflectors | 2 |
| 20130087135 | BUILT-IN RETRACTABLE VENTILATION HOOD ASSEMBLY - A built-in ventilation hood assembly for air exhausting is disclosed. An example built-in ventilation hood assembly may comprise a housing and a retractable hood unit configured to be slidably mounted within the housing. The retractable hood unit may comprise at least one air intake into which air is drawn. The built-in ventilation hood assembly may further comprise a driving unit configured to slide the retractable hood unit out from the housing or slide the retractable hood unit in to the housing, and a ventilation unit being installed within the housing and configured to draw air in through the at least one air intake. | 04-11-2013 |
| 20110214664 | EXTRACTOR HOOD - An extractor hood ( | 09-08-2011 |
| 20090288655 | GREASE FILTER ASSEMBLY FOR - A grease filter assembly for use in a range hood to remove airborne grease is disclosed to include an air deflector with guide rollers and grille, a roll of grease filter mounted in a filter supply chamber at the air deflector with one end of the grease filter extending out of the filter supply chamber over the grilles and the guide rollers into a waste filter collecting chamber, and a motor mounted in the air deflector and controllable to transfer the grease filter into the waste grease collecting chamber by means of a sheet-transfer cylinder and an impression cylinder. | 11-26-2009 |
| 20080302352 | Exhaust Hood and Method of Mounting Same - An exhaust hood ( | 12-11-2008 |
| 20080308088 | Low Profile Exhaust Hood - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 12-18-2008 |
| 20100269815 | EXTRACTOR HOOD, IN PARTICULAR FOR DOMESTIC ENVIRONMENTS - An extractor hood, in particular for domestic environments, comprising: a frame ( | 10-28-2010 |
| 20110232625 | SUCTION HOOD - The invention relates to a suction hood, a) which sucks air from a first area to a second area, b) wherein the hood comprises b1) a first sucking means ( | 09-29-2011 |
| 20110240004 | SUCTION HOOD - The invention relates to a suction hood ( | 10-06-2011 |
| 20120037144 | SUCTION HOOD - The invention relates to a sucking means ( | 02-16-2012 |
| 20120204855 | Cooking Device with Ventilation and Filtration System - A cooking device with a ventilation and filtration system is disclosed that may be a mobile cart. The ventilation and filtration system provides removal of heated and effluent-laden air from the vicinity of the cooking device utilizing a manually telescoping vent having a handle for positioning the vent. The telescoping vent piece may be easily manually removable and reattachable for cleaning. Further, the downdraft ventilator is in communication with a filtration and effluent removal system that may have one or more filters and may also have a drip tray. | 08-16-2012 |
| 20120111314 | SENSOR UNIT FOR A SUCTION HOOD, SUCTION HOOD AND COOKING DEVICE - The invention relates to a sensor unit ( | 05-10-2012 |
| 20120152229 | Range hood capable of resisting draft - A range hood capable of resisting draft is provided above a counter on the top of which an air-generation device is located. The range hood comprises an air-extraction hood that has a bottom provided with an elongate air-extraction slot for drawing air upwards. Besides, an air blow groove is provided in front of the elongate air-extraction slot for blowing air downwards. A long left upright plate and a long right upright plate are respectively provided below the left and right lateral surfaces of the air-extraction hood. Thereby, when the elongate air-extraction slot draws in air, an oblique airflow is formed. Besides, the long left and right upright plates are able to hinder the draft coming from lateral sides, so as to protect the oblique airflow structure. Consequently, an intact upwards-flowing airflow is formed to exhaust soot and harmful gases. | 06-21-2012 |
| 20120152228 | METHOD AND APPARATUS FOR THE THERMAL PROTECTION OF LED LIGHT MODULES IN A RANGE HOOD APPLIANCE - A method and apparatus for the thermal protection of LED light modules in a range hood appliance is provided. If the temperature of the LED light module reaches a predetermined temperature, one or more protective actions are taken to prevent over heating the LED light module. Such protective actions can include e.g., decreasing and/or terminating the power to the LED light module, opening a damper to provide air for cooling the LED light module, and/or activating a fan to provide forced convection cooling of the LED light module. | 06-21-2012 |
| 20110315136 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 12-29-2011 |
| 20100206292 | Extendable hood for microwave oven positioned over the range or cook top - An extendable hood and mounting bracket for mounting on the underside of a microwave oven which is positioned above a cook top, the extendable hood being frictionally engaged in the bracket and selectively removable or slidably retracted when not in use, the extendable hood extending over the front burners of the cook top and capturing and directing any fumes, smoke, or odors generated from cooking on the front burners to the fan and filter unit mounted on the underside of the microwave oven. | 08-19-2010 |
| 20090107482 | PROTECTIVE BARRIER SYSTEM AGAINST COOKING SPLATTER - A barrier system protecting a wall from cooking surface splatter includes a panel having an exterior surface and a rear surface spatially offset from the wall. The panel also has a bottom edge and an opposing upper edge. The panel is secured to the wall with multiple securements such that the lower edge of the panel is positioned between 0.635 and 1.27 centimeters above the cooking surface. The securements include a pedestal that defines the offset between the wall and the rear surface of the panel and a fastener in simultaneous contact with the panel by way of an aperture in the panel, the pedestal, and the wall. A panel formed of tempered glass is amenable to inclusion of an ultraviolet illumination light source that facilitates degradation of splatter on the panel. | 04-30-2009 |
| 20130042853 | COOKING ASSEMBLY THAT SAVES ENERGY, REDUCES NOISE, AND CIRCULARLY REMOVES FUMES - A cooking assembly that saves energy, reduces noise, and circularly removes fumes comprises a venting outlet disposed opposite to an absorbing inlet of an absorbing device. The air expelled from the venting outlet permits guiding fumes and smells generated during cooking into an absorbing scope of the absorbing inlet, thereby offering a recurring air curtain over a cooking platen. The cooking assembly keeps heating energy but takes away the cooking fumes and smells from the cooking platen via a consistent and recurring operation to clarify the air. The recurring air curtain avoids wasting air conditioning energy and prevents from leaking the air polluted by fumes out, which allows the cooking assembly to omit an extra outdoor discharging pipe but attain a fresh and tranquil dining atmosphere, and decrease the energy consumption of the facility for being friendly to the environment. | 02-21-2013 |
| 20100116263 | DEVICE FOR REMOVING COOKING VAPORS COMPRISING A FLAT EXHAUST AIR DUCT - The invention relates to a device for removing cooking vapors in a direction vertically below a hob plane ( | 05-13-2010 |
| 20090260616 | VENTILATING KITCHEN RANGE SUBFRAME - A kitchen range subframe includes air channels for passively directing air to and/or from an element enclosure within the kitchen range, and a range component shelf that is configured to mount one or more range components to the kitchen range subframe. The kitchen range subframe provides improved ventilation for the kitchen range, and mounting locations for range components such as gas lines and kitchen range controls. | 10-22-2009 |
| 20100163012 | EXTRACTOR HOOD - An extractor hood includes a housing with a fan disposed therein and an extraction opening for the entry of fumes into the extractor hood on the bottom of the extractor hood. The extractor hood has an air outlet gap on the top of the extractor hood in the edge region of the extractor hood. The air outlet gap is adjacent to a surface that is arched in the direction of the bottom of the extractor hood. | 07-01-2010 |
| 20090183728 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including at least one air flow restricting and redistributing baffle plate and terminating in an upwardly angled outlet for introducing intake air along the side of the appliance, resulting in heating and elevating the intake air within a perimeter defined by the hood and thereby minimizing loss of conditioned air existing within the enclosed space. | 07-23-2009 |
| 20100043772 | EXTRACTOR HOOD - An extractor hood including a housing, a vapor shield pivotably mounted on the housing, and at least one pivot bearing connecting the vapor shield to the housing. The at least one pivot bearing has a bearing axis in a vicinity of a center of gravity of the vapor shield. | 02-25-2010 |
| 20130037017 | LOW PROFILE EXHAUST HOOD - A low profile exhaust hood has a high inlet and a high aspect ratio of horizontal to vertical. A sloping wall of the recess guides hot plumes upwardly to the inlet. The inlet is sized to provide an exhaust face velocity that is at least as high as a highest possible plume velocity for a 400 F oven. The inlet is located high and forwardly to cause a suction zone to be generated near the forward edge of the hood to aid in capturing plumes tending to escape which are remote from the sloping wall. | 02-14-2013 |
| 20130087134 | Cookery Air Purification and Exhaust System - An air filtration and exhaust system is described. The system comprises a microcontroller, a power supply, and a series of sensors that detect the presence of airborne contaminants such as ultra fine particles, smoke, natural gas and radon gas. In the presence of these airborne contaminants, the system is designed to inactivate and prevent operation of nearby food preparation appliances. Once these contaminants have been safely removed, the operation of these appliances is restored. In addition, the ventilation system may be equipped with a purification subassembly, which safely and efficiently removes such containments from the area. The system may also comprise an alarm that is activatable in the presence of these contaminants. | 04-11-2013 |
| 20130087133 | VENTILATING RANGE HOOD - A ventilating range hood having an interior transverse wall spanning between the side walls of the hood. The transverse wall separates the range hood into a rear chamber and a forward chamber. The transverse wall includes an aperture for allowing communication between the forward and rear chambers and a closure member for selectively opening and closing the aperture. A plate is removably connected to the back wall for covering the rear exhaust opening. In a recirculation only mode, the rear exhaust opening is covered by the removable plate and the closure member is opened so that air drawn into the rear chamber through the air intake flows through the aperture and out the top exhaust opening. | 04-11-2013 |
| 20130092148 | ENERGY RECOVERY DEVICES, SYSTEMS, AND METHODS - Energy recovery devices, systems and methods, and energy recovery control systems and methods for efficient extraction and reuse of waste heat from exhaust fumes generated from cooking appliances. | 04-18-2013 |
| 20130061843 | RETRACTABLE VENTILATION SYSTEM - A retractable ventilation system for a household appliance includes a lifting motor for moving the ventilation system in two opposing directions, and a switch controlling movement of the lifting motor. A first actuation of the switch moves the ventilation system in a first (or preferred) of the two directions, and a second actuation of the switch moves the ventilation system in a second direction opposing the first direction. Furthermore, a household appliance includes an extractor hood, a cooking appliance or a combination thereof, and at least one of the proposed retractable ventilation systems. A method for operating the retractable ventilation system is also described. | 03-14-2013 |
| 20090032011 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 02-05-2009 |
| 20100319676 | EXHAUST HOOD WITH GREASE ABSORBING MATERIAL ON A ROLL - A kitchen exhaust system includes a dispenser and a receiver, with a supply spool of grease absorbent material provided in the dispenser. In a process to replace the contaminated material, portions of the web can be selectively removed from the air flow path into the receiver while drawing uncontaminated portions of the web from the dispenser to the path of air flow. | 12-23-2010 |
| 20100242945 | INTEGRATED STOVE IN WHICH OIL SMOKE IS DISCHARGED DOWNWARD - An integrated stove in which oil smoke is discharged downward comprises a cabinet body; a plurality of cylindrical sunken stove holes are installed on the panel of the body; a cooker is installed on the soleplate of the stove holes; major arc shaped air suction ports are installed at the upper part of the wall of the stove holes; a handle hole is installed in one side of the stove holes facing person; a soleplate parallel to the panel basically is installed; the soleplate has a structure in the shape of pan bottom; and the part of the soleplate close to the side wall of the body extends to the combined part of the panel and the soleplate. The panel is mounted at the top of the side wall. The stove holes are embedded in the double-layer structure formed by the panel and the soleplate. The side wall of the stove holes is both connected with the panel and the soleplate in sealing way, the panel, the soleplate and the side wall of the stove holes are enclosed to form a communicated sealed gas collecting chamber. The air port of a blower is installed at the open hole of the soleplate, and an exhaust pipe is connected with the blower. | 09-30-2010 |
| 20100126494 | EXHAUST HOOD WITH ADJUSTABLE SUPPLY AIR CONTAINMENT AIR STREAMS AND AIR CURTAINS - An exhaust hood and related methods for exhausting fumes are disclosed. The exhaust hood comprises a housing forming a collection region having an entry portion and an upper portion disposed above the entry portion, an exhaust inlet coupled with the housing and configured to draw air from the entry and upper portions, and a supply assembly coupled with the housing and configured to output a flow of supply air. The supply assembly is configured to direct a first portion of the supply air across the collection region generally towards the exhaust inlet and direct a second portion of the supply air generally downward away from the collection area. The directed first portion of the supply air divides the collection region into the entry and upper portions. The portion of the supply air directed into at least the first portion or the second portion can be adjustable. | 05-27-2010 |
| 20090165776 | Metal Sheet Ventilation/Smoke Duct Section and Manufacturing Method Thereof - The invention relates to a metal sheet ( | 07-02-2009 |
| 20090211564 | Smoke Exhaust With An Air Curtain Fan - A smoke exhaust has a casing, a suction fan and an air curtain fan. The casing has an air chamber, an air duct and a smoke collecting eaves. The air chamber has a lower inlet and an upper inlet. The smoke collecting eaves is mounted on the casing. The suction fan is mounted in the casing. The air curtain fan is mounted on the eaves and is capable generating a downward air curtain. The air curtain prevents the smoke from spreading out of the smoke exhaust. | 08-27-2009 |
| 20090241934 | MOTORIZED EXTRACTOR HOOD FOR KITCHENS OF VERTICAL SLIDING TYPE - The present invention relates to a motorized extractor hood for kitchens, of the type housed and vertically sliding inside a vertical compartment ( | 10-01-2009 |
| 20100258108 | Air Port Closing Device for Cooking Fume Exhauster being Unitary with Range - A closing unit for air port of integrated machine of cooking fume exhauster and range includes a lifting ring ( | 10-14-2010 |
| 20110056479 | VARIABLE VENTILATION METHOD AND SYSTEM - A system and method for providing variable ventilation for a cooking environment. The system includes a plurality of cooking appliances, wherein each appliance has various operating parameters indicative of a cooking level of each appliance; a cooking event monitor operably connected to each of the cooking appliances and configured to: (1) determine a level of ventilation for each of the plurality of appliances based upon the cooking level of each appliance, (2) determine a control signal based upon the determined level of ventilation, and (3) transmit the control signal; a motor speed controller operably connected to the cooking event monitor and configured to receive the control signal; and at least one exhaust fan operably connected to the motor speed controller, wherein the motor speed controller adjusts a speed of the exhaust fan based upon the control signal. | 03-10-2011 |
| 20110056478 | Hood Device for Grill - A hood device for grill comprises a hood, a telescoping tubing, a filter assembly, a grease cup, and an external fan. The hood partially covers a grill at a first elevated vertical position and collects smokes from the grill. The telescoping tubing extends from the hood and is configured for ventilating, and telescoping between the first and second positions. The filter assembly is disposed at a lower end of the telescoping tubing, and comprises filter with concentric and cylindrical layers. The grease cup is for collecting grease from the filter. The fan is for building up an ascending air current inside the telescoping tubing. A velocity of the ascending air current is determined according to the first elevated vertical position, a ratio of a diameter of the hood to a diameter of the grill, and a surface temperature of the grill. | 03-10-2011 |
| 20100000512 | Pollutant Removing Device and Dual-Air Curtain Range Hood Using the Device - A pollutant removing device includes first and second air blow devices respectively located at front and rear ends of a pollutant generation source or an oven and respectively including a first elongate air blow slot and a second elongate air blow slot so as to blow air upward. A suction device is located above a counter top to which the pollutant generation source or the oven is installed. The suction device includes at least one elongate suction opening which is connected with a suction machine. The at least one elongate suction opening is parallel to the first and the second elongate air blow slots. Two air curtains are formed between the at least one elongate suction opening and the first and second elongate air blow slots. The gas, vapor, or particulate type pollutants located between the two air curtains is sucked via the at least one elongate suction opening. | 01-07-2010 |
| 20100294259 | CONTROL OF EXHAUST SYSTEMS - Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. | 11-25-2010 |
| 20100059040 | VENT SYSTEM FOR A COOKING APPLIANCE - A vent system for a cooking appliance is disclosed. The appliance has a cooktop surface supporting a plurality of surface heating units. The vent system includes a vent box mounted beneath the cooktop surface; a telescopic vent assembly telescopically mounted relative to the vent box, the telescopic vent assembly being movable between a retracted position proximate the cooktop surface and an extended position above the cooktop surface; a retention unit configured to releasably hold the telescopic vent assembly in the retracted position; and a stored energy mechanical drive unit configured to move the telescopic vent assembly in a first direction to the extended position upon release of the retention unit. | 03-11-2010 |
| 20100065038 | Exhaust Canopy - A stove vent and canopy positionable above a cooking surface to any of a plurality of positions between a fully retracted position and a fully extended position. In a fully retracted position, the vent is positionable immediately adjacent to the surface allowing for venting of cooking vapors without blocking the user's view over the stove. Telescoping to the fully extended to position places the vent over the cooking surface and may employ a clear backsplash to continue to maintain the user's view behind the cooking surface. | 03-18-2010 |
| 20080202492 | SMOKELESS COOKER - A smokeless cooker includes a table located indoors, with a cabinet, which may include a plurality of individual boxes stacked and assembled together, below the table. A gas-discharge flow path leads from the cabinet to the outdoors. The cabinet includes an inner box with an open upper portion in an upper opening section of an outer box. An installed cooking means is located inside the inner box. A suction flow path is formed outside the inner box, with a suction hole in the inner wall of the suction flow path above a heating surface of the installed cooking means. The gas-discharge flow path includes a fat/oil filtering section, an absorption deodorizing section, a HEPA filter and a fan. A duct leading to the outdoors is present at the downstream side of the HEPA filter. | 08-28-2008 |
| 20080202491 | Air Collecting Device And Exhaust Air Box, In Particular Usable In Said Device - The invention relates to an air holding device comprising a channel system raised from a suction opening disposed at a height of a workstation generating dirty air or vapours and leading to at least one outlet opening. An exhausting fan is placed between a prefilter and at least one odour filter. The channel system is embodied in the form of an exhaust air box disposed downstream of the exhaust fan. The lateral surface of the exhaust air box comprises an air inlet which is connected to the downstream side of the exhausting fan. The other lateral surfaces are selectively provided with air outlet openings covered respectively with an odour filter having an adjustable air resistance. Said odour filter preferably consists of a foam material coated with active carbon and the air resistance thereof is selectable according the thickness and/or porosity of the foam material. | 08-28-2008 |
| 20110114076 | COMMERCIAL KITCHEN EXHAUST SYSTEM - An exhaust system includes a hood structure having one or more of (i) an exhaust flow infeed surface extending downward from a lower end of the filter unit that helps to feed the thermal plume toward the filter unit, (ii) a bypass flow transition surface extending upward from the upper end of the filter unit and then forward to aid bypass flow in circulating back toward the filter aperture and (iii) a front wall structure that includes a downwardly extending wall portion with a chamfered and/or curved transition portion at its lower end and a rearwardly extending wall portion. | 05-19-2011 |
| 20100012110 | AIR-CIRCULATING MODULE AND FUME EXTRACTION DEVICE - An air-circulator includes an housing with an air inlet, an air outlet opening, an odor filter, and an insertion opening for inserting the odor filter. The odor filter is assigned to the air outlet opening. | 01-21-2010 |
| 20090199844 | EXHAUST HOOD WITH AIR CURTAIN - An exhaust hood captures and contains a thermal plume with a minimum of exhaust air by defining a short-throw planar jet around a protected perimeter. Corner interference is mitigated by various mechanisms including having at least one of adjacent planar jets run only partly along a respective edge such that said first and second curtain jets do not meet at said corner; having a direction of the planar jets proximate corners where they meet being intermediate between respective directions of the jets along respective main portions of the perimeter; or having a direction of the jets of one of the adjacent edges be horizontal while the other is vertical. | 08-13-2009 |
| 20120152227 | FORCED CONVECTION COOLING OF LED LIGHTING AND ELECTRONICS IN A RANGE HOOD APPLIANCE - The use of forced convection or air currents to provide cooling of LED lighting and/or other electronics in a range hood appliance is provided. A channel provides for a flow of air over the electronics to providing cooling to the same. Various configurations are provided for causing air to flow through the channel. | 06-21-2012 |
| 20120055460 | Internally Adjustable Damper - An internally adjustable damper for use in a commercial kitchen includes a housing having a sidewall defining an interior, a first open end, and a second open end in fluid communication with the first open end. A damper blade is disposed within the housing and is rotatable about an axis of rotation to allow a selectable air flow resistance. An arch extends from the damper blade and adjacent to the sidewall, the arch being symmetric about the axis of rotation. A threaded stud extends from the sidewall into the interior of the housing and is disposed adjacent the arch. A fastener is operatively coupled to the threaded stud, wherein the fastener is adapted to selectively press down against the arch, thereby fixing the location of the damper blade, and retract from the arch, thereby allowing the damper blade to rotate about the axis of rotation. The fastener and the baffle are accessible from inside the housing through either the first open end or the second open end. | 03-08-2012 |
| 20110094497 | HOOD DEVICES, METHODS, AND SYSTEMS WITH FEATURES TO ENHANCE CAPTURE AND CONTAINMENT - A device that augments the capture and containment of an exhaust hood using jets is retrofitable to existing exhaust hoods. The device, in embodiments, forms a self-contained system that is separate from the hood and can be installed in existing hoods providing them with increased performance. Various embodiments are shown which are suitable for canopy and backshelf hood designs. | 04-28-2011 |
| 20120152226 | HEAT SINK FOR A COOKING APPLIANCE - A heat sink for LEDs or other electronic elements in a kitchen appliance is provided. The chassis or other heat conducting components of the appliance are used as a heat sink to conduct away heat. The LEDs or other electronic features may be connected directly to the heat sink or may be connected by e.g., a bracket. | 06-21-2012 |
| 20100095950 | Kitchen Ventilation Hood Apparatus - The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods. | 04-22-2010 |
| 20100095949 | Pollutant removing device and oblique single air curtain range hood using the device - The present invention relates to a pollutant removing device and an oblique single air curtain range hood using the device. The rear side of the range hood is adjacent to a wall and the range hood includes an air blow device and a suction device. The air blow device has an elongate air blow slot that is provided in front of a counter top and through which air is blown upward. The suction device is located above the counter top and includes an elongate suction opening that is connected with a suction machine to produce upward suction force. The elongate suction opening is parallel to the elongate air blow slot in a way that the elongate suction opening is above and spaced from the elongate air blow slot toward the wall. By means of the operation of the suction machine, an oblique air curtain that is nearly two-dimensional is formed between the elongate suction opening and the elongate air blow slot. The gas or harmful gas located between the oblique air curtain and the wall can be sucked via the elongate suction opening. Consequently, the escape of pollutants is decreased and the ability against interference of sucking harmful gas resulted from ambient air turbulence can be enhanced. | 04-22-2010 |
| 20120160230 | Fume Extraction Hood - The present invention relates to a fume extraction hood ( | 06-28-2012 |
| 20120125316 | VENTILATION SYSTEM FOR A RANGE HOOD WITH EXHAUST AND RECIRCULATION OPTIONS - A ventilation system for a range hood of a kitchen area is provided. More particularly, a kitchen ventilation system is provided that has both exhaust and recirculation options that are provided by internally contained features for directing the flow of air. The system can be installed as a modular unit as part of a new or existing range hood. | 05-24-2012 |
| 20120247451 | TEPPANYAKI ASSEMBLY AVAILABLE FOR SUCKING AIR BY MULTIPLE ANGLES - A teppanyaki assembly available for sucking air by multiple angles comprises a platform including a cooking plane, and an air pump installed in the platform and including an air guider as well as an air channel. Wherein, the air guider has a housing disposed on the cooking plane and a regulator pivoted to the housing. Tuning the regulator allows an air entrance on the regulator to confront an external opening on the housing by different degrees so as to pump air with divergent angles and filter air properly. Besides, an air extracting effect could be favorably controlled in accordance with different food. | 10-04-2012 |
| 20100051011 | VENT HOOD FOR A COOKING APPLIANCE - A vent hood is disclosed. The vent hood includes an enclosure having an inlet and a fluid passage, a first stage fluid moving device disposed adjacent to the inlet and configured to provide a substantially uniform inflow of fluid across the inlet, and a second stage fluid moving device disposed within the enclosure and downstream of the first stage fluid moving device. | 03-04-2010 |
| 20100051010 | Recirculating, self-contained ventilation system - A system includes an intake, an exhaust, and an adjustable directing member. The intake is for taking in air, the exhaust is for exhausting air, and the adjustable directing member is positioned for directing exhaust air toward the intake. Another aspect is a system that includes a source of polluted air and an air cleaning system. The air cleaning system includes an intake, an exhaust, and a directing member. The intake is for taking in polluted air and the exhaust is for exhausting air. The directing member is for directing air from the exhaust toward the intake to provide an air screen for keeping the polluted air in the vicinity of the intake. | 03-04-2010 |
| 20120255539 | OVERHEAD VENTILATION SYSTEM INCORPORATING A DOWNWARDLY CONFIGURED REAR SUPPLY PLENUM WITH UPWARD CONFIGURED DIRECTIONAL OUTLET AND INCLUDING BAFFLE PLATES AND DAMPENERS INCORPORATED INTO THE PLENUM FOR EVENLY DISTRIBUTING AN INLET AIRFLOW THROUGH THE PLENUM OUTLET - A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including a perforated plate mounted to an inside face thereof in proximity to a bottom closed edge of said plenum and in order to introduce intake air to a side location of the appliance in order to equalize internal pressure and to facilitate upward movement of heated air from the appliance. | 10-11-2012 |
| 20100326419 | RANGE HOOD - A range hood, containing at least a fan having a housing and an impeller, an oil filter, a cover, a fume exhaust cover, a light, and a switch. The housing of the fan is a circular double-chamber or multi-chamber structure with an air inlet and an air outlet, and the impeller of the fan contains at least one group of arc-shaped blades each having a closed side and being enlarged in an axial direction. | 12-30-2010 |
| 20130008429 | Replaceable Capture Hoods for Recirculating, self-contained ventilation system - A system includes a plurality of capture hoods and a hood supporting unit. Each of the plurality of capture hoods has a hood portion and a connection portion. The connection portion is for connection to the hood supporting unit. The hood supporting unit is capable of connecting to just one of the plurality of capture hoods at a time. The hood portions of the plurality of capture hoods have different shapes. The connection portions of the plurality of capture hoods are identical so any one of the plurality of capture hoods can connect to the hood supporting unit. | 01-10-2013 |
| 20130074823 | RANGE EXHAUST CLEANING SYSTEM AND METHOD - A cleaning system for a cooking range exhaust having a range hood, a backsplash, and an exhaust flue for exhausting cooking effluent is disclosed. The cleaning system can include a fluid delivery system constructed for partial placement within the cooking range exhaust. The fluid delivery system can include a hood spray conduit constructed for placement within the hood and comprising spray openings for directing a degreasing composition to the backsplash. The fluid delivery system can also include a flue spray conduit constructed for placement within or outside the exhaust flue and comprising at least one spray opening for directing the degreasing composition to an interior surface of the flue. The cleaning system can include a pump system constructed for conveying the degreasing composition from a degreasing composition source and through the fluid delivery system. A method of cleaning a cooking range exhaust and a self-cleaning exhaust system are also disclosed. | 03-28-2013 |
| 20090272372 | Kitchen Hood Assembly with a Combination Cleaning and Fire Suppression System - A kitchen hood assembly includes a combination hood cleaning and fire suppression system. The hood assembly includes a hood structure and a riser connected thereto. An exhaust blower forces an exhaust stream of air into the hood and through the riser. A combination hood cleaning and fire suppression system is incorporated into the hood structure. The combination hood cleaning and fire suppression system includes an elongated spray bar that is connected to a water source and includes a surfactant injector that injects a surfactant into the water being directed to the spray bar. In one mode of operation, the spray bar is effective to clean the hood assembly. In another mode of operation, when a fire is sensed in or in the vicinity of the hood, the same spray bar is utilized to inject an aqueous liquid into the hood to suppress the fire. | 11-05-2009 |
| 20090013989 | LINEAL SLOT VENTILATOR WITH INTERNAL CLEANING SYSTEM AND ADJUSTABLE BAFFLE - In an exemplary embodiment, this system is found within a kitchen hood, such as those found in restaurants, used to remove excess cooking heat and grease. Building fire safety and sanitation codes mandate routine hood maintenance to maintain fire safety, operator comfort and workplace sanitation. Conventional maintenance can be very messy, time consuming and quite expensive. In an exemplary embodiment, the hood is fabricated to incorporate an integral heat exchanger which further creates a trough housing a grease extraction device. The exchanger and trough are located in such a manner that collected heat and/or grease may be removed from the exhaust air stream and further fabricated to permit automatic and/or semi automatic cleaning of both devices and trough. This invention improves fire safety and sanitation, saves time and reduces maintenance costs. Cleaning is achieved using less energy and keeps the heat exchanger at peak efficiency to further enhance energy savings. | 01-15-2009 |
| 20090194093 | BAFFLE-TYPE GREASE FILTERS FOR KITCHEN VENTILATORS - A grease filter has upper and lower baffle assemblies that define tortuous paths for exhaust air flowing therethrough. The baffles in the upper assembly include a perforated metal strips and bent free edges to maximize grease extraction from the exhaust air. A hinge connects the upper and lower baffle assemblies and permits the assemblies to pivot from a closed position to an open position. In the open position, access is provided to all surfaces of the assemblies so that they can be efficiently cleaned. | 08-06-2009 |
| 20100275900 | Exhaust air mist separator - A grease containment apparatus to remove grease and other contaminants from hot air exiting a kitchen area through a vent system which includes a vertical separator. | 11-04-2010 |
| 20100258109 | RETROFIT APPARATUS FOR A COOKING DEVICE - A retrofit apparatus for a preexisting cooking device comprises a hood that defines a liquid removal section, a motor disposed within the hood, and a motor gear rotatable by the motor to facilitate rotating a centrifugal liquid removal device. The motor gear may comprise a plurality of teeth configured to engage a motor gear coupling on a shaft of the centrifugal liquid removal device, and the motor gear may be configured to automatically engage the motor gear coupling to facilitate rotating the centrifugal liquid removal device. In other embodiments, a lifting mechanism in the preexisting cooking device is configured to move the centrifugal liquid removal device from a cooking section to the liquid removal section. | 10-14-2010 |
