CARRIER CORPORATION Patent applications |
Patent application number | Title | Published |
20160116230 | METHOD FOR MANUFACTURING A MULTIPLE MANIFOLD ASSEMBLY HAVING INTERNAL COMMUNICATION PORTS - A method is provided for manufacturing a manifold assembly with internal fluid communication between a first manifold defining a first fluid chamber and a second manifold defining a second fluid chamber of the manifold assembly, the first manifold and the second manifold joined in parallel relationship along a longitudinally extending interface between a wall of the first manifold and a wall of the second manifold. The method includes: forming a first access port in a wall of one of the first manifold and the second manifold diametrically opposite the interface; forming a first fluid communication port extending through a wall of the first manifold and a wall of the second manifold at the interface and defining a first fluid passage between the first and second fluid chambers; and sealingly plugging the access port. | 04-28-2016 |
20160109170 | REFRIGERATION CIRCUIT - A refrigeration circuit ( | 04-21-2016 |
20160106232 | REFRIGERATED SALES FURNITURE - A refrigerated sales furniture ( | 04-21-2016 |
20160101674 | Refrigerated Container with Dual Air Curtain - A transport refrigeration system comprises: a container ( | 04-14-2016 |
20160101667 | Thermochemical Boosted Refrigeration System - A transport refrigeration system ( | 04-14-2016 |
20160076806 | Refrigerated Container and Duct Extension | 03-17-2016 |
20160054040 | Compressor Bearing Cooling Via Purge Unit - A compressor ( | 02-25-2016 |
20160047575 | Compressor Bearing Cooling - A vapor compression system ( | 02-18-2016 |
20160040915 | Compressor Bearing Cooling - A compressor ( | 02-11-2016 |
20150377563 | TUBE STRUCTURES FOR HEAT EXCHANGER - A heat exchanger includes a plurality of fins and a plurality of tubes passing a fluid therethrough, extending through the plurality of fins and radially expanded into an interference fit therewith. At least one tube of the plurality of tubes includes an outer diameter, an inner diameter, and a plurality of ridges extending from the inner diameter inwardly into an interior of the tube. A tube internal surface area per unit of length of the tube multiplied by the ratio of the outer diameter and tube wall thickness is equal to or greater than about 30.0. | 12-31-2015 |
20150377527 | LEVEL CONTROL IN AN EVAPORATOR - A heating, ventilation and air-conditioning (HVAC) a falling film evaporator in flow communication with a condenser. The falling film evaporator includes a separator to separate vapor from liquid refrigerant and a plurality of evaporator tubes through which a volume of thermal energy transfer medium is flowed. A distribution system is operably connected to the separator to distribute a flow of liquid refrigerant over the plurality of evaporator tubes. A primary feed conduit delivers a flow of refrigerant to the separator, and at least one secondary feed conduit is in flow communication with the primary feed conduit. At least one auxiliary valve is located at the secondary feed conduit to regulate flow into the separator from the primary feed conduit. At least one sensor senses a level of a refrigerant pool in the evaporator. The sensor is operably connected to the at least one auxiliary valve to control operation thereof. | 12-31-2015 |
20150316044 | Discharge Reed Valve for Reciprocating Refrigeration Compressor - A backer for a reed valve has: a first surface for engaging the valve reed; a second surface opposite the first surface; a base portion for mounting to a compressor housing; a distal portion for engaging a distal portion of the reed; and at least one trunk connecting the base portion to the distal portion. The first surface is transversely convex along a portion of the trunk. The trunk is relatively wider near the base portion than near the distal portion. | 11-05-2015 |
20150241110 | Refrigeration Compressor Feet Mounting - A compressor ( | 08-27-2015 |
20150226193 | Reciprocating Refrigeration Compressor Suction Valve Seating - A compressor valve plate ( | 08-13-2015 |
20150219374 | Reciprocating Refrigeration Compressor Wrist Pin Retention - A compressor ( | 08-06-2015 |
20150204579 | HEAT EXCHANGER FOR USE IN A CONDENSING GAS-FIRED HVAC APPLIANCE - A secondary heat exchanger for use in a condensing gas-fired HVAC appliance including at least one conduit, including a non-circular transverse cross-sectional geometry. In one instance, the at least one conduit penetrates and is in contact with at least one plate fin. In another instance a fin is affixed to the at least one conduit. | 07-23-2015 |
20150204350 | MOTOR ROTOR AND AIR GAP COOLING - A motor cooling system for a simply supported compressor includes a rotor shaft | 07-23-2015 |
20150176909 | ADVANCED AIR TERMINAL - An air conditioning system includes a climatic beam located in a room. The climatic beam includes a first portion and a second portion, and a divider located along a length of the climatic beam to separate the first portion from the second portion. The climatic beam further includes a coil supplied with a flow of fluid. A fresh air duct is connected to the first portion to provide a flow of fresh air into the first portion, and a fan is located at the second portion and is configured to draw a flow of primary air across the coil and into the second portion. A beam exit allows a flow of the fresh air and the primary air into the room. | 06-25-2015 |
20150153111 | INDOOR COIL - An indoor coil including at least one coil slab. The at least one coil slab including a pair of coil slab end surfaces extending between a pair coil slab faces, a coil slab axis, and a plurality of conduits, operably coupled to one another, disposed therein. One of the pair of coil slab end surfaces forms an angle greater than or equal to 45 degrees and less than 90 degrees with the coil slab axis, and the plurality of conduits are arranged in a staggered configuration. | 06-04-2015 |
20150153098 | FRAME AND REFRIGERATING APPRATUS - The invention involves a frame and a refrigerating apparatus that uses the frame, the frame is composed by at least one frame component, wherein a VIP material is placed inside of the at least one frame component. The frame is capable of preventing the accumulation of water condensation along the frame, has both a better heat insulation effect and an energy-saving effect. | 06-04-2015 |
20150153096 | UPFLOW CONDENSATE DRAIN PAN - A condensate drain pan including a drain pan panel, including a panel interior side and a panel exterior side, a channel member formed on the panel exterior side, a front wall, a rear wall, and opposing side walls. The front wall, rear wall and opposing side walls extend from the drain pan panel to form a receptacle, and the front wall includes a first aperture and a second aperture in the front wall. | 06-04-2015 |
20150153095 | UPFLOW CONDENSATE DRAIN PAN - A condensate drain pan including a front wall, including a front wall longitudinal axis, a rear wall, and opposing side walls extending from a drain pan surface. The front wall includes a first aperture and a second aperture, including an aperture axis, wherein the aperture axis forms an angle less than 90 degrees with the front wall longitudinal axis. | 06-04-2015 |
20150153094 | MULTI-POISE CONDENSATE DRAIN PAN - A condensate drain pan including an inner front wall, an inner back wall and opposed inner side walls defining an inner perimeter, at least two outer front walls, an outer back wall and opposed outer side walls defining an outer perimeter. The condensate drain pan further includes at least one drain pan panel extending between the inner perimeter and the outer perimeter, and at least one drain opening disposed in the outer front wall. | 06-04-2015 |
20150153064 | MULTI-POISE CONDENSATE DRAIN PAN - A condensate drain pan including an inner front wall, an inner back wall and opposed inner side walls defining an inner perimeter, at least one outer front wall, an outer back wall and opposed outer side walls defining an outer perimeter. The condensate drain pan further includes at least one drain pan panel extending between the inner perimeter and the outer perimeter, at least one drain opening disposed in the outer front wall, and at least one coil conduit aperture disposed in the outer front wall configured to allow at least one coil conduit to be inserted therethrough. | 06-04-2015 |
20150144311 | COMBINED COOLING AND FIRE SUPPRESSION SYSTEM - A combined cooling and fire suppression system for a protected space includes a refrigerant circuit circulating a flow of refrigerant therethrough. At least one fan coil assembly is disposed at the protected space and is operably connected to the refrigerant circuit. The fan coil assembly includes a coil in fluid communication with the refrigerant circuit such that the flow of refrigerant is directed therethrough, and a fan to direct a flow of air across the coil to cool the protected space in proximity to the fan coil assembly. A plurality of nozzles is located in fluid communication with the refrigerant circuit to direct the flow of refrigerant from the refrigerant circuit toward the protected space to suppress fire thereat. | 05-28-2015 |
20150122459 | BRAZED HEAT EXCHANGER DESIGN - A heater transfer module including at least one heat exchanger. Each of the at least one heat exchangers includes at least one first conduit, including a first conduit outer surface, the at least one first conduit configured to allow a first liquid to flow therethrough, and at least one second conduit, including a second conduit outer surface, the at least one second conduit configured to allow a second liquid to flow therethrough. The at least one first conduit outer surface is coupled next to the at least one second conduit outer surface, using a method of joining metal parts using nonferrous filler metals, such that the longitudinal axes of each conduit are substantially parallel to one another. | 05-07-2015 |
20150120063 | SYSTEM AND METHOD OF CONFIGURING HVAC COMPONENTS IN AN HVAC SYSTEM - A system and method of configuring HVAC components in an HVAC system including a main system controller in operable communication with at least one auxiliary controller, wherein the main system controller and each of the at least one auxiliary controllers include a near field communication interface. The HVAC system components are configured by placing each of the at least one auxiliary controllers in close proximity to the main system controller, and operating the main system controller to initiate a pairing event. | 04-30-2015 |
20150118631 | METHOD AND DEVICE FOR CONTROLLING EXCESS AIR IN A FURNACE - A device and method of controlling excess air during and after ignition of a gas furnace by operating a variable speed combustion blower assembly at an initial speed; operating a gas valve assembly and a burner assembly to initiate an ignition sequence; operating the variable speed combustion blower assembly at an increasing plurality of speeds until an excess air measurement is less than or equal to a predetermined value, and operating the variable speed combustion blower assembly at a steady state airflow rate to maintain the excess air measurement at the predetermined value. | 04-30-2015 |
20150114595 | SYSTEM AND METHOD OF AUTOMATIC DETECTION AND IDENTIFICATION OF SYSTEM COMPONENTS - A system and method to automatically detect and identify system components, wherein the system includes a processing device and at least one system component operably coupled to the processing device via a discrete connection. The method including the steps of operating the processing device to detect at least one electrical characteristic of the at least one system component, and operating the processing device to identify a type of the at least one system component based on the at least one electrical characteristic. The method further includes the step of operating the processing device to allow a user to confirm the identified type of the at least one system component. | 04-30-2015 |
20150096315 | Flash Tank Economizer for Two Stage Centrifugal Water Chillers | 04-09-2015 |
20150096314 | HEAT PUMP - A heat pump is provided including a plurality of lines having refrigerant flowing therethrough. A reversing valve is provided including a selector mechanism having a plurality of cavities formed therein and extending therethrough. A source of motion is coupled to the selector mechanism for movement of the selector mechanism. Each one of the plurality of cavities fluidly couples at least two of the plurality of lines. The selector mechanism is movable between a cooling mode and a heating mode so that the cavities fluidly couple different ones of the plurality of lines in each of the cooling mode and the heating mode. The selector mechanism will maintain its position with respect to the plurality of lines when the source of motion is de-energized, regardless of a pressure differential between different ones of the plurality of lines. | 04-09-2015 |
20150082818 | SYSTEM AND METHOD OF FREEZE PROTECTION OF A HEAT EXCHANGER IN AN HVAC SYSTEM - A system and method of heat exchanger freeze protection for an HVAC system by operating an indoor unit assembly and an outdoor unit assembly in a cooling mode and operating a fan at an initial airflow, operating a temperature sensor to measure a temperature value of a heat exchanger, at the expiration of a first predetermined time period, determining whether the temperature value is less than or equal to a first temperature preset value, determining whether a current airflow multiplier is equal to a maximum airflow multiplier limit, increasing the current airflow by an airflow offset multiplier if the current airflow multiplier is less than or equal to the maximum airflow multiplier limit and the temperature value is less than or equal to the first temperature preset, and operating the fan at an increased airflow to move more air across the heat exchanger. | 03-26-2015 |
20150057811 | COORDINATED AIR-SIDE CONTROL OF HVAC SYSTEM - A method and apparatus for controlling an HVAC system. The method may include receiving a fan speed signal from a fan control loop, and choosing among an independent mode, a first linked mode, and a second linked mode, depending on the fan speed signal. The method may also include providing a signal to a pressure control loop to reduce a speed of a supply air fan of an AHU, when the first linked mode is chosen. The method may further include providing a signal to a temperature control loop to decrease a speed of a heat exchange wheel, to decrease a flow rate of a heat exchange fluid to an evaporator coil, or both, when the second linked mode is chosen. The method may additionally include allowing the fan control loop to operate independently of the temperature and pressure control loops, when the independent mode is chosen. | 02-26-2015 |
20150053087 | ROTATING REGENERATIVE SCRUBBER AND SEALING ARRANGEMENT - A sealing arrangement for sealing a gas leakage path between a first gas flow and a second gas flow at an end of a rotating rotor disposed in a stationary housing ( | 02-26-2015 |
20150052914 | System and Method for Using an Electronic Expansion Valve to Control a Discharge Pressure in a Multi-Purpose HVAC System - A method for using an electronic expansion device in a system for heating water and conditioning an interior space by operating a first controller to monitor the operating discharge pressure from the compressor; and operating the first controller to produce a signal designating expansion of an orifice within the electronic expansion valve when the operating discharge pressure is greater than or equal to a predetermined pressure value. | 02-26-2015 |
20150040841 | SYSTEM AND METHOD FOR IMPROVING A WATER HEATING CYCLE IN A MULTI-PURPOSE HVAC SYSTEM - A method for improving a water heater cycle in a system for heating water and conditioning an interior space by operating a water pump at a first rate of speed until the entering water temperature is within a desirable range, or the water pump has operated at the first rate of speed for a predetermined time, then operating the water pump at a second rate of speed. | 02-12-2015 |
20150034290 | AIR HANDLER WITH A LEAK FREE CONTROLS ENCLOSURE - An air handler configured with a second enclosure disposed within the first enclosure to create a continuous airflow passageway, wherein access to the second enclosure does not interrupt the continuous airflow passageway. | 02-05-2015 |
20150023728 | CABINET FOR AIR HANDLER UNITS - A plurality of panels affixed to one another used for construction of an air handler unit including a first panel member having first circumference affixed to a second panel member having a second circumference; wherein the second circumference is smaller than the first circumference to form a first flange. | 01-22-2015 |
20150013359 | Refrigeration Circuit and Method for Operating a Refrigeration Circuit - The invention relates to a refrigeration circuit having a mono- or multi-component refrigerant circulating therein, said refrigeration circuit comprising, in the direction of flow, a condenser, a collecting container, a relief device connected upstream of an evaporator, an evaporator and a compressor unit with single-stage compression. According to the invention, there is an intermediate relief device (a) arranged between the condenser ( | 01-15-2015 |
20150013358 | Refrigeration Circuit and Method for Operating a Refrigeration Circuit - The invention relates to a refrigeration circuit having a mono- or multi-component refrigerant circulating therein, said refrigeration circuit comprising, in the direction of flow, a condenser, a collecting container, a relief device connected upstream of an evaporator, an evaporator and a compressor unit with single-stage compression. According to the invention, there is an intermediate relief device (a) arranged between the condenser ( | 01-15-2015 |
20140345308 | TANDEM COMPRESSOR REFRIGERATION SYSTEM AND A METHOD OF USING THE SAME - A refrigeration system including a first compressor and a second compressor, operating in tandem, wherein the first compressor includes a compression capacity different than the compression capacity of the second compressor. A method for operating a refrigeration system including a first compressor and a second compressor operating in tandem; wherein the first compressor comprises a first compression capacity and the second compressor comprises a second compression capacity larger than the first compression capacity the method comprising the steps of: determining a cooling demand; operating the first compressor in a first stage of cooling; operating the second compressor in a second stage of cooling; and operating the first compressor and the second compressor in a third stage of cooling. | 11-27-2014 |
20140345301 | Transport Refrigeration System With Engine Shaft Horsepower Augmentation - Shaft horsepower output associated with a prime mover for driving a component of a transport refrigeration system may be selectively augmented through an auxiliary power apparatus. In an embodiment, a compressed air engine is provided and selectively operable to augment the shaft horsepower output for driving the component. At least one storage tank is provided for storing compressor air and at least one air compressor is provided for generating and supplying compressed air to the at least one compressed air storage tank. In an embodiment, the prime mover is a fuel combustion engine and the compressed air is heated by exhaust gas from the fuel combustion engine. The driven component may be a refrigerant compressor. The driven component may be an electric generator. | 11-27-2014 |
20140340090 | METHOD FOR SENSING WELDED CONTACTS ON A SWITCHING DEVICE - A method for sensing a welded relay contact when breaking both sides of a power line on a HVAC device including the steps: applying a first signal to one of a pair of switching devices; electronically sensing a second signal, with a sensing device, whether the other of said two switching devices is welded closed; and sending a third signal from the sensing device indicative of whether the other of said two switching devices is welded closed. | 11-20-2014 |
20140339241 | Vacuum Insulation For An Integrated Refrigerated Container - An insulation system for a cargo container ( | 11-20-2014 |
20140338389 | VAPOR COMPRESSION SYSTEM WITH THERMAL ENERGY STORAGE - A system is provided including a vapor compression cycle. The vapor compression cycle includes an operably coupled compressor, condenser, first expansion device, and evaporator through which a refrigerant circulates. A thermal energy storage unit includes a heat exchanger arranged within a phase change material. The heat exchanger is fluidly coupled to the vapor compression cycle with a plurality of conduits and valves such that refrigerant flows through the heat exchanger in a heat transfer relationship with the phase change material. When the system is in a first mode, the heat exchanger is configured to function similar to the evaporator and the phase change material is configured to store thermal energy. When the system is in a second mode, the heat exchanger is configured to function similar to the condenser and the phase change material is configured to release thermal energy. | 11-20-2014 |
20140332189 | FAN COIL UNIT - A fan coil unit is provided including a cabinet formed from a plurality of panels. A fan assembly is configured to circulate air through the cabinet. A heat exchanger assembly is positioned within the cabinet. The heat exchanger assembly includes at least one heat exchanger coil arranged in a heat transfer relationship with the air circulating through the cabinet. An inner surface of at least one of the plurality of panels is partially lined with an elastomeric foam insulation so that the air circulating through the cabinet does not contact the portion of the at least one panel lined with the elastomeric foam insulation. | 11-13-2014 |
20140332182 | Heat Sink For Cooling Power Electronics - A heat sink device for cooling a power electronics module includes a base platform having a first surface and a second surface on opposite sides of the base platform, a plurality of upright members extending outwardly from the first surface of the base platform and defining a cavity wherein the power electronics module is disposed in conductive heat exchange relationship with the first surface of the base platform, and a plurality of heat transfer fins extending outwardly from the second surface of the base platform and defining a plurality of cooling air flow channels. | 11-13-2014 |
20140331694 | MOVEMENT OF ELECTRONIC EXPANSION VALVE - Embodiments are directed to receiving, by a device comprising a processor, an indication that an air conditioning unit should turn on, commanding, by the device, a valve to open a specified extent based on the received indication, and subsequent to the valve opening to the specified extent, powering-on a piece of equipment that has an impact on refrigerant flow in the air conditioning unit. | 11-13-2014 |
20140331154 | USER DEFINED INTERFACE SYSTEM AND A METHOD FOR USING THE SAME - A user defined interface system including a processor; a memory; a touchscreen display; and executable software stored in the memory; wherein the executable software generates a plurality of graphical elements, on the display screen; wherein at least one graphical element comprises a data input graphical element and at least one graphical element comprises an informational graphical element; wherein each graphical element includes a height dimension and a width dimension; and wherein at least one graphical element may be selected to be moved to a desired location; and placed at the desired location. A method for configuring graphical elements on a user defined interface system, wherein at least one graphical element comprises a data input graphical element, including the steps: selecting at least one graphical element; moving the selected graphical element to a desired location. | 11-06-2014 |
20140326004 | METHOD FOR MANAGING A REFRIGERANT CHARGE IN A MULTI-PURPOSE HVAC SYSTEM - A method for managing a refrigerant charge in a system for heating water and conditioning an interior space by removing power from an indoor fan for a first duration of time prior to switching at least one valve to configure a second refrigerant circuit for satisfying a water heating demand. A method for managing a refrigerant charge in a system for heating water and conditioning an interior space by removing power from a water pump for a second duration of time prior to switching at least one valve to reconfigure a first refrigerant circuit to satisfy an interior space heating demand. | 11-06-2014 |
20140319854 | SINGLE PIECE LATCH - A latch includes a latch head and a latch shaft ending from the latch head. A first pin pair extends radially outwardly from the latch shaft and is configured to secure a first panel between the latch head and the first pin pair. A second pin pair extends radially outwardly from the latch shaft and is configured to secure the first panel and a second panel between the latch head and the second pin pair and to release the first panel when the latch is turned 90 degrees. The second pin pair is angularly offset from the first pin pair by 90 degrees. The latch head, the latch shaft, the first pin pain and the second pin pair are a single-piece unitary structure. | 10-30-2014 |
20140318752 | REFRIGERANT TO WATER HEAT EXCHANGER - A heat exchanger having at least one inner conduit comprising of a second tubular member coaxially disposed within a first tubular member, wherein the second tubular member outer surface is in contact with the first tubular member inner surface. Each of the first and second tubular members is composed of a material with an approximately 0.015 inch maximum wall thickness. | 10-30-2014 |
20140311727 | Air Conditioner Terminal Device, Air Conditioning Apparatus And Data Center - The invention discloses an air conditioner terminal device ( | 10-23-2014 |
20140311720 | Multiple Bank Flattened Tube And Folded Fin Heat Exchanger - A multiple bank, flattened tube heat exchange unit includes a first tube bank including a plurality of flattened tube segments extending longitudinally in spaced parallel relationship and a second tube bank including a plurality of flattened tube segments extending longitudinally in spaced parallel relationship, the second tube bank disposed behind the first tube bank at a desired spacing gap. A first plurality of folded fins is disposed between respective adjacent pairs of the heat exchange tube segments of the first tube bank and a second plurality of folded fins disposed between respective adjacent pairs of the heat exchange tube segments of the second tube bank. | 10-23-2014 |
20140311182 | EVAPORATOR - A falling film evaporator for a heating ventilation and air conditioning (HVAC) system includes an evaporator housing and a plurality of evaporator tubes located in the evaporator housing and arranged into one or more tube bundles. A volume of thermal energy transfer medium is flowed through the plurality of evaporator tubes. One or more support sheets located along a length of the plurality of evaporator tubes to position and support the plurality of evaporator tubes in the housing, the one or more support sheets including one or more vapor flow passages to allow flow of vapor refrigerant along a length of the evaporator. | 10-23-2014 |
20140298849 | DISCHARGE MANIFOLD FOR USE WITH MULTIPLE COMPRESSORS - A discharge gas manifold having a main conduit, an end feeder conduit, and at least one intermediate feeder conduit, wherein the at least one intermediate feeder conduit contains a portion, adjacent to the main conduit, that forms an angle between 0°-60° with the axis of the main conduit. | 10-09-2014 |
20140298846 | Variable Frequency Drive Heat Sink Assembly - A heat sink assembly is disclosed for cooling a power electronics module, such as a variable frequency drive. The heat sink assembly includes a housing and a heat sink structure. The housing defines an interior chamber for enclosing the power electronics module and also defines a cooling air flow channel exterior to the interior chamber. The heat sink structure is disposed in conductive heat transfer relationship with the interior chamber and has a heat transfer surface positioned within the exterior cooling air flow channel in convective heat transfer relationship with the cooling air flow. | 10-09-2014 |
20140290928 | Coordinated Flow Control - A method of coordinated flow control in a heat exchanger system includes adjusting a position of a variable actuator of the heat exchanger system if an associated monitored temperature of the heat exchanger system needs adjustment, determining if the adjusted position of the variable actuator is within a predetermined range of positions, adjusting a position of a discrete actuator of the heat exchanger system if the adjusted position of the variable actuator is not within the predetermined range of positions, and resetting the position of the variable actuator in response to adjusting the position of the discrete actuator. | 10-02-2014 |
20140288869 | FLUID DISPENSER CALIBRATION METHOD - A method of calibrating a dispenser includes dispensing a dose of product from a dispenser reset to an uncorrected state and measuring a single dose of product from a draw representative of an average dose (typically dispensed when the product tank is at mid-fill level). Pre-determined equations relating a calibration offset, a timing constant, desired portion sizes, and a degradation factor to the average expected dispense throughout a tank of product and the expected variation in these doses are employed to derive the degradation factor characteristic of the specific dispenser, calculate calibration and timing factors, and adjust the equipment dispense control function accordingly. | 09-25-2014 |
20140283690 | MEMBRANE CONTACTOR FOR DEHUMIDIFICATION SYSTEMS - A contactor configured for use in a dehumidification system is provided including a plurality of contact modules. Each contact module has a porous membrane that defines an internal space through which a hygroscopic material flows. A membrane property of the porous membrane of at least one contact module is substantially different than the other membranes of the plurality of contact modules. | 09-25-2014 |
20140283540 | HEAT PUMP WATER MODULE WITH CONDENSING COIL IN WATER STORAGE TANK - A water heater module with a heat exchanger configured to be submersible inside a water storage tank, and further configured to divert refrigerant between the heat exchanger and an air handler in response to a demand for heating water or a demand for conditioning an interior space. | 09-25-2014 |
20140277766 | SYSTEM AND METHOD FOR USING AN ADJUSTABLE ZONE DAMPER CALIBRATION - A system and method for controlling a multi-zone HVAC system, wherein the controller operates at least one damper based on an adjustable first timing parameter and a relative damper position based on a zone demand. | 09-18-2014 |
20140264967 | MEMBRANE CONTACTOR FOR DEHUMIDIFICATION SYSTEMS - A contactor configured for use in a dehumidification system is provided including a plurality of contact modules. Each contact module has a porous sidewall that defines an internal space through which a hygroscopic material flows. Adjacent contact modules are fluidly coupled to form a multipass flow path for the hygroscopic material through the contactor. | 09-18-2014 |
20140260408 | COMPACT AIR HANDLER WITH MULTIPLE FANS - An air handler configured with a plurality of air distribution modules, each including a fan, and at least one damper disposed within to provide and direct conditioned air or fresh air to respective multiple zones of a building. | 09-18-2014 |
20140260404 | HIGH EFFICIENCY REFRIGERATION SYSTEM - A refrigerant system includes a first, substantially outdoor, two phase heat transfer fluid vapor compression circulation loop including a compressor, a heat exchanger condenser, an expansion device, and the heat absorption side of a heat exchanger evaporator condenser, connected by conduit in a closed loop and having disposed therein a first heat transfer fluid having a critical temperature of greater than or equal to 31.2° C. The system also includes a second, at least partially indoor, two phase heat transfer fluid circulation loop that transfers heat to the first loop through the heat exchanger evaporator condenser. The second loop includes the heat rejection side of the heat exchanger evaporator condenser, a liquid pump, and a heat exchanger evaporator, connected by conduit in a closed loop and having disposed therein a second heat transfer fluid that has an ASHRAE Class A toxicity rating and an ASHRAE Class 1 or 2L flammability rating. | 09-18-2014 |
20140250941 | Transport Refrigeration System With Engine Exhaust Cooling - A heat exchanger includes an inner tube extending along a central axis, an array of a plurality of heat transfer members mounted to the inner tube, and a plurality of outer tubes disposed radially outward of and in parallel relationship to the inner tube, the inner and outer tubes extending longitudinally to pass through the array of heat transfer members. The heat exchanger is particularly suited for use as an engine exhaust cooler in connection with a transport refrigeration unit, wherein the inner tube defines an internal flow passage through which engine exhaust gas passes, each outer tube defines an internal flow passage through which refrigerant passes, and the plurality of flow passages between adjacent heat transfer members defines an air flow passage. In an embodiment, the heat transfer members may be annular disks having an internal chamber filled with air or other heat transfer working fluid. | 09-11-2014 |
20140245772 | INTEGRATED MEMBRANE DEHUMIDIFICATION SYSTEM - An air temperature and humidity control device is provided including a first heat pump having a compressor, an expansion valve, a condenser, and an evaporator. The first heat pump has a refrigerant circulating there through. A humidity controller includes a first contactor fluidly coupled to the evaporator and condenser. The first contact includes at least one contact module having a porous sidewall that defines an internal space through which a hygroscopic material flows. A first air flow is in communication with the porous sidewall of the first contactor. The device also has a second heat pump including a first polishing coil. The first polishing coil is substantially aligned with and arranged generally downstream from the first contactor relative to the first air flow. | 09-04-2014 |
20140238057 | REGENERATION AIR MIXING FOR A MEMBRANE BASED HYGROSCOPIC MATERIAL DEHUMIDIFICATION SYSTEM - A contactor for an air temperature and humidity control device is provided including a plurality of contact modules. Each contact module has a generally porous sidewall configured to define an internal space through which a hygroscopic material flows. A first airstream passes over a first portion of the plurality of contact modules. A second airstream passes over a second portion of the plurality of contact modules. | 08-28-2014 |
20140238055 | Humidity Control For Air Conditioning System - An air conditioning system includes a cooling unit having a cooling coil and a fan, the cooling unit for cooling recirculated air from a return duct; a bypass duct providing an air pathway bypassing the cooling unit; a phase change material (PCM) module including a PCM and a PCM fan for drawing makeup air over the PCM; and a supply duct fluidly coupled to the cooling unit and the PCM module, the supply duct for supplying conditioned air to a space to be conditioned. | 08-28-2014 |
20140231056 | HEAT EXCHANGER - A heat exchanger includes a plurality of tubes conveying a first fluid flow therethrough disposed substantially transverse to a direction of a second fluid flow through the heat exchanger and arranged in a plurality of tube rows extending substantially along the direction of the second fluid flow. The heat exchanger further includes a web sheet having a plurality of webs and a plurality of tube recesses disposed between the webs of the plurality of webs. Each tube of the plurality of tubes is secured to a tube recess of the plurality of tube recesses. Forming a heat exchanger includes forming a web sheet having a plurality of webs and a plurality of tube recesses located between the webs. A plurality of tubes are formed and configured to convey a first fluid flow therethrough. The plurality of tubes are inserted into the plurality of tube recesses. | 08-21-2014 |
20140216261 | Regenerative Scrubber System With Single Flow Diversion Actuator - A regenerative scrubber system is provided for removing a selected gas from an atmosphere within a closed environment. The scrubber system includes a scrubber module having a first scrubber and a second scrubber, each housing a porous mass of regenerative adsorbent material for adsorbing the selected gas, a first flow diversion device disposed upstream of the scrubber module with respect to the gaseous flow from the closed environment, a second flow diversion device disposed downstream of the scrubber with respect to the gaseous flow from the closed environment, and a single actuator operatively associated with each of the first flow diversion device and the second flow diversion device. | 08-07-2014 |
20140216260 | ELECTRODE SUPPORT FOR ELECTRICALLY-ENHANCED AIR FILTRATION SYSTEM - An electrode support for an electrode of an electrically-enhanced air filtration system includes a conductor extending through the electrode support and electrically connectible to the electrode and to a power supply. An insulative layer is located around the conductor and the electrode support is configured to position the electrode in a frame of the air filtration system. An air filtration system includes a frame directing an airflow through the air filtration system and an electrode located in the frame. An electrode support positions the electrode in the frame and includes a conductor extending through the electrode support and electrically connected to the electrode and an insulative layer located around the conductor. An electrical power supply is electrically connected to the conductor to provide electrical power to the electrode. | 08-07-2014 |
20140216087 | Compressor Clearance Control - A compressor ( | 08-07-2014 |
20140216078 | REDUCED ENERGY HEAT PUMP DEFROST FOR UNOCCUPIED SPACE - Embodiments are directed to determining, by a controller comprising a processor, that a coil associated with a heat pump is subjected to a defrost cycle, determining, by the controller, that at least one of: a conditioned space is occupied, and a thermostat associated with the conditioned space indicates that an energy saving mode is not in use, and enabling, by the controller, an auxiliary heat source based on the determination that the coil is subject to the defrost cycle and the determination that the conditioned space is occupied or the thermostat indicates that the energy saving mode is not in use. | 08-07-2014 |
20140202442 | CONDENSING HEAT EXCHANGER FINS WITH ENHANCED AIRFLOW - A plate fin for a heat exchanger is provided including a base plate having a plurality of holes formed therein. The plate fin also includes a plurality of generally annular collars. Each collar is positioned substantially coaxially within one of the plurality of holes. The plurality of first collars is substantially less than the plurality of holes such that a portion of the plurality of holes does not have a collar arranged therein. | 07-24-2014 |
20140202183 | Control Of Atmosphere Within A Closed Environment - A method and apparatus are disclosed for controlling a concentration of carbon dioxide in a gaseous atmosphere within a closed environment of a refrigerated transport container to maintain the concentration of carbon dioxide therein at a desired level. A carbon dioxide scrubber apparatus operates alternately in an adsorption mode and a regeneration mode. When a perishable produce is stowed in the closed environment, for example in a cargo box of a refrigerated transport container, the concentration of carbon dioxide may be maintain at a desired level to retard ripening of the perishable produce. | 07-24-2014 |
20140197647 | DOOR LATCH AND BAR LOCKING MECHANISM FOR A ROOFTOP AIR CONDITIONING UNIT - A latching mechanism for sealing an access panel to a sidewall includes a cam rod pivotable between a first position and a second position. The cam rod includes a handle and at least one generally U-shaped bend configured to engage a surface of the access panel when in the first position. The latching mechanism also includes a latch mounted to the access panel. The latch is rotatable between a third position and a fourth position. The latch is configured to engage and apply a force to the handle of the cam rod when in the fourth position. | 07-17-2014 |
20140190670 | ENERGY RECOVERY VENTILATOR - An energy recovery ventilator for a heating or cooling system includes a housing and a heat exchanger located in the housing for recovery of thermal energy from a stale airflow of the heating or cooling system. An exhaust fan positioned in the housing is in flow communication with the heat exchanger to urge the stale airflow from a return port disposed in a first side panel of the housing, across the heat exchanger and toward an exhaust port of the energy recovery ventilator. The exhaust fan and the heat exchanger are configured such that the heat exchanger is removable from the housing via a front panel opening in the housing without disturbing a position of the exhaust fan. | 07-10-2014 |
20140190657 | ACCESSORY INSTALLATION TO A HEATING OR COOLING SYSTEM - An energy recovery system includes a heating or cooling system and an accessory operably connected to the heating or cooling system, or a component of the heating or cooling system. One or more accessory interlocking mechanisms are located at the housing interlocked with one or more complimentary interlocking mechanisms located at the system or the component of the heating or cooling system to secure the accessory directly to the component. A method of securing an accessory to a heating or cooling system or a component of a heating or cooling system includes aligning one or more accessory interlocking mechanisms with one or more complimentary interlocking mechanisms The accessory is urged toward an installed position by moving the accessory along a length of the one or more complimentary interlocking mechanisms. The one or more accessory interlocking mechanisms are interlocked with the complimentary interlocking mechanisms to secure the accessory. | 07-10-2014 |
20140190656 | ENERGY RECOVERY VENTILATOR - An energy recovery system includes a heating or cooling system and an energy recovery ventilator operably connected to a component of the heating or cooling system. The energy recovery ventilator includes a supply port extending into the component to provide a supply of fresh airflow from the energy recovery ventilator to the component for use by the component. A return port extends into the component configured to receive a flow of stale air from the component while minimizing ingestion of the fresh air flow from the component into the return port. A method of operating an energy recovery system includes flowing a flow of fresh air from an energy recovery ventilator through a supply port into a component of a heating or cooling system. Stale air is flowed from the component through a return port into the energy recovery ventilator, preventing fresh air from recirculating through the return port. | 07-10-2014 |
20140188289 | HVAC Motor Load Balancing - A method of motor operation includes monitoring a voltage of a power bus supplying power to the motor, determining if a power failure is occurring or has occurred based on the monitoring, and lowering an operational capacity of the motor in response to the determining. | 07-03-2014 |
20140182698 | Universal Bag Connector - A universal connector ( | 07-03-2014 |
20140182317 | Economized Centrifugal Compressor - A compressor ( | 07-03-2014 |
20140174112 | Refrigerant Vaporizer - A vaporizer has: an inlet ( | 06-26-2014 |
20140172350 | REMOTE SENSOR CONFIGURATION - Embodiments are directed to receiving, by a device, an identification of a coupling configuration associated with at least one sensor via a user interface, sensing, by the device, a sensed parameter associated with the at least one sensor, calculating, by the device, a translated parameter based on the sensed parameter, and mapping, by the device, the translated parameter to a temperature. | 06-19-2014 |
20140165616 | AIR CONDITIONING SYSTEM WITH ICE STORAGE - An air conditioning system includes a condenser and an evaporator configured to remove thermal energy from a water flow through the evaporator via a refrigerant flow through the evaporator. A refrigerant conduit is configured to convey a refrigerant flow through the evaporator and the condenser. An ice storage tank is fluidly connected to the refrigerant conduit such that the refrigerant flow is flowable through the ice storage tank to transfer thermal energy between the refrigerant flow and a volume of frozen water disposed in the ice storage tank. | 06-19-2014 |
20140158783 | HVAC Systems - A system includes a heat pump configured to match a working fluid's temperature to a fluid temperature set-point, a fluid pump in fluid communication with the heat pump through the working fluid and configured to match the working fluid's pressure/flow to a fluid pressure/flow set-point, at least one heat exchanger in fluid communication with the fluid pump, and a supervisory controller in signal communication with the at least one heat exchanger, the fluid pump, and the heat pump. The at least one heat exchanger includes a proportional valve and a return air temperature gauge configured to monitor return air temperature associated therewith. The supervisory controller is configured to vary the fluid temperature set-point and vary the fluid pressure/flow set-point based upon a position of the proportional valve and the return air temperature. | 06-12-2014 |
20140157818 | Permanent Magnet Generator Voltage Regulation - A power generating system includes a power generation portion. The power generation portion includes a permanent magnet (PM) generator configured to operate in at least two speeds, and a voltage regulator in communication with the PM generator. The voltage regulator is disposed to regulate power output from the PM generator by configuring the PM generator to operate at a desired speed of the at least two speeds. | 06-12-2014 |
20140157807 | Ejector - An ejector ( | 06-12-2014 |
20140152212 | METHOD FOR SMOOTH MOTOR STARTUP - A method of conducting smooth motor startup is provided and includes operating a motor in an open loop control scheme at startup, operating the motor in a closed loop sensorless control scheme at a time after startup and transitioning between the open loop control scheme and the closed loop control scheme by reducing a difference between an estimated rotor angle of the motor and a commanded ramping angle of the motor. | 06-05-2014 |
20140151015 | Termperature Control Logic For Refrigeration System - A refrigeration system includes a compressor having a first stage ( | 06-05-2014 |
20140150489 | Startup Logic For Refrigeration System - A refrigeration system ( | 06-05-2014 |
20140144176 | Air Conditioner Exhaust Recycling - An air conditioning system includes an air conditioning portion configured to condition a volume of air flowing there-through and an exhaust portion configured to exchange heat with the air conditioning portion through a working fluid. A portion of the volume of air exiting the air conditioning portion is mechanically diverted into the exhaust portion. | 05-29-2014 |
20140144164 | Operation Of Transport Refrigeration Systems To Prevent Engine Stall And Overload - The performance of a transport refrigeration system ( | 05-29-2014 |
20140142727 | SPC Fault Detection and Diagnostics Algorithm - A method for diagnosing a fault condition in a climate system is disclosed and a computer program product for doing the same. The climate system may be an HVAC system. The method comprises receiving current data from a climate system in a fault condition, calculating an anomaly score for the climate system from a first set of transition probabilities based on the current data and a second set of transition probabilities based on the climate system operating in a normal condition, and generating automatically a diagnosis of a first problem causing the fault condition when the anomaly score is above a predefined threshold. In an embodiment, the current data may include a plurality of operational Parameters of the climate system. | 05-22-2014 |
20140140810 | CONDENSER FAN SPEED CONTROL FOR AIR CONDITIONING SYSTEM EFFICIENCY OPTIMIZATION - A method for fan speed control for a condenser fan in an air conditioning system includes determining a refrigerant condition at an inlet of a compressor by a condenser fan speed control module; determining a refrigerant condition at an outlet of the compressor by the condenser fan speed control module; determining a parabolic curve of a relationship between an air conditioning system performance metric and a speed of the condenser fan based on the determined inlet condition and the determined outlet condition by the condenser fan speed control module; identifying an optimum condenser fan speed based on a vertex of the parabolic curve by the condenser fan speed control module; and controlling the speed of the condenser fan to meet the optimum fan speed by the condenser fan speed control module. | 05-22-2014 |
20140138076 | ENERGY RECOVERY VENTILATOR - An energy recovery ventilator control system is disclosed that is operable to be energized by electrical connection to a heating and cooling system including a thermidistat in fluid communication with each of an intake air duct and an exhaust air duct. The energy recovery ventilator control system is operable to regulate air temperature and humidity within a building using a temperate and humidity control scheme. | 05-22-2014 |
20140137598 | Scrubber System With Moving Adsorbent Bed - A regenerative carbon dioxide removal system ( | 05-22-2014 |
20140137590 | Integrated Transport Refrigeration Unit - An integrated transport refrigeration unit comprises an engine providing power to drive a shaft. The shaft drives a refrigerant compressor and a generator, both of which being encased within a housing, and the generator is immersed in refrigerant. In an exemplary embodiment, an integrated transport refrigeration unit also includes an auxiliary generator driven by the shaft and disposed externally from said housing. In this embodiment, the auxiliary produces current for charging a battery and for operating a fan. | 05-22-2014 |
20140137580 | Method And System For Transport Container Refrigeration Control - A method of refrigeration control through a refrigeration system of a refrigerated transport container includes performing a defrost cycle on the refrigeration system by activating a heat source; and restarting the refrigeration system after the defrost cycle has completed, wherein restarting the refrigeration system includes performing a liquid slugging avoidance process including: initiating a compressor of the refrigeration system at a speed; opening a pressure equalization valve in parallel with the compressor in response to the initiating; opening a liquid valve in series between a condenser and an evaporator after opening of the pressure equalization valve; and closing the pressure equalization valve after a period of time. | 05-22-2014 |
20140130534 | Refrigeration Circuit, Gas-Liquid Separator and Heating and Cooling System - A refrigeration circuit is disclosed circulating a refrigerant and comprising in the direction of flow of the refrigerant a compressor ( | 05-15-2014 |
20140125060 | SOLAR COOLING, HEATING AND POWER SYSTEM - A solar energy driven power generation system includes a solar energy receiver configured to collect solar energy. A vapor generator is operably connected to the solar energy receiver. A vapor turbine is operably connected to the vapor generator and is configured to be driven by a flow of vapor from the vapor generator. An electrical power generator is operably connected to the vapor turbine and driven thereby. A thermal conditioning system is operably connected to the vapor turbine and is driven by a flow of output vapor or hot liquid from the vapor turbine. A method of power generation includes collecting solar thermal energy and generating vapor utilizing the solar thermal energy. A vapor turbine is driven by the vapor and electrical power is produced via the rotation of the vapor turbine. Output vapor from the vapor turbine is utilized to drive a thermal conditioning system. | 05-08-2014 |
20140124171 | MICRO-PORT SHELL AND TUBE HEAT EXCHANGER - A heat exchanger adapted to transmit a first fluid through an interior, having a tubular body receptive of a second fluid, whereby heat transfer occurs between the fluids is provided, the tubular body extending longitudinally through the interior, having a non-circular cross-section, and being formed to define microchannels extending longitudinally along the tubular body through which the second fluid is transmitted. | 05-08-2014 |
20140124166 | COMPRESSOR CRANK CASE HEATER ENERGY REDUCTION - A method of operating an air conditioning system includes cooling a selected space with the air conditioning system. The air conditioning system includes two or more compressors and two or more crank case heaters. Each crank case heater of the two or more crank case heaters is associated with a compressor of the two or more compressors. Operation of the two or more compressors is stopped, thus initiating operation of the two or more crank case heaters. The air conditioning system is switched to a conservation mode, including de-powering at least one compressor of the two or more compressors and an associated at least one crank case heater or the two or more crank case heaters thereby reducing energy consumption of the two or more crank case heaters. | 05-08-2014 |
20140117915 | VARIABLE FREQUENCY DRIVE VOLTAGE BOOST TO IMPROVE UTILIZATION - A variable frequency drive system including an alternating current electrical power source, an alternating current motor and a variable frequency drive connected to the power source and the motor. The variable frequency drive provides electrical power to the motor, and includes an active rectifier to convert a first alternating current from the power source to a direct current and an inverter to convert the direct current to a second alternating current. A variable frequency drive output voltage is greater than a variable frequency drive input voltage, compensating for the motor apparent current. A method of electrical power conversion includes urging a first alternating current from a power source to a variable frequency drive. The first alternating current is converted to direct current via an active rectifier of the variable frequency drive, and the direct current is converted to a second alternating current via an inverter of the variable frequency drive. | 05-01-2014 |
20140109604 | Ejector Mixer - An ejector ( | 04-24-2014 |
20140102673 | HEAT TRANSFER ENHANCEMENT FOR A CONDENSING FURNACE - A heat exchanger is provided including a plurality of heat exchanger tubes. A first fluid flows through each heat exchanger tube and a second fluid flows around an exterior of each heat exchanger tube. A turbulator is disposed within at least one of the heat exchanger tubes. The turbulator extends at least a portion of the length of the heat exchanger tube. The turbulator includes a generally flat sheet of material having a plurality of integrally formed turbulence generating elements. The turbulence generating elements extend from a plane of the sheet of material into the first fluid flow. A disturbance is created in the first fluid flow adjacent each turbulence generating element. | 04-17-2014 |
20140096680 | PASSIVELY ENERGIZED FIELD WIRE FOR ELECTRICALLY ENHANCED AIR FILTRATION SYSTEM - An air filtration system includes a frame directing an airflow through the air filtration system and a power supply. An ionization array is located in the frame across the airflow and connected to the power supply. The power supply provides a first voltage to the ionization array. A field wire is located in the frame downstream from the ionization array and is energized to a second voltage only by an electrical energy discharge from the ionization array. A method of operating an electrically enhanced air filtration system includes energizing an ionization array, located across an airflow through the air filtration system, to a first voltage via electrical power supplied by a power supply. Electrical energy is discharged from the ionization array into the airflow. A field wire downstream of the ionization array is energized to a second voltage only by the discharge of electrical energy from the ionization array. | 04-10-2014 |
20140096542 | System Using Refrigeration System Waste Heat - A system using waste heat of a refrigeration unit to heat a food product, having a heating loop connected to a refrigeration unit between the compressor and the condenser, and configured to allow refrigerant to enter the heating loop to transfer heat to a food product. | 04-10-2014 |
20140083121 | Ejector with Motive Flow Swirl - An ejector ( | 03-27-2014 |
20140069274 | DETECTION OF ELECTROSTATIC FILTER FOR AIR FILTRATION SYSTEM - An air filtration system includes a frame directing an airflow through the air filtration system and a media filter. The media filter includes a plurality of media fibers arranged to capture particles flowing therethrough and a conductive surface located at the media filter and having a conductivity within a selected range. Two or more contact pads are located at the media filter and are alignable with an electrical circuit located at the frame to determine whether a resistance across the conductive plane is within a selected resistance range. A method of installing a media filter in an air filtration system includes inserting the media filter into a frame of the air filtration system and aligning one or more contact pads of the media filter with one or more grounding pads of the frame. A resistance across the media filter is measured. | 03-13-2014 |
20140066214 | MAGNETIC DRIVE COUPLING APPARATUS - A magnetic drive coupling apparatus is provided and includes a drive unit having a first rotatable shaft and an open drive assembly, a driven unit having an end face and a second rotatable shaft extending through the end face axially overlap, a magnetic drive coupling having first and second magnetically attractive parts associated with the first and second rotatable shafts, respectively, which transmits rotation between the first and second rotatable shafts and a sealing unit coupled to the end face to encompass the second magnetically attractive part and to hermetically seal oil and refrigerant in an interior of the driven unit. | 03-06-2014 |
20140053585 | Transcritical Refrigerant Vapor System With Capacity Boost - A refrigerant vapor compression system and method of operation are disclosed wherein the first ( | 02-27-2014 |
20140049145 | BASE PAN - An air conditioning unit is provided including a base pan having at least one hole surrounded by a first embossment including a first inclined sidewall and a first top wall. A mounting plate is positioned adjacent a portion of the base pan. The mounting plate has at least one opening surrounded by a second embossment including a second inclined sidewall and a second top wall. The at least one opening is generally aligned with the at least one hole. The second embossment overlays the first embossment such that a gap exists between the second inclined sidewall and the first inclined sidewall. | 02-20-2014 |
20140048237 | SHELL AND TUBE HEAT EXCHANGER - A heat exchanger is provided and includes a shell extending between opposing tube sheets to define an interior, nozzles coupled to the shell by which a first fluid is communicated with the interior and a tubular body extending between the opposing tube sheets to transmit a second fluid through the interior whereby heat transfer occurs between the first and second fluids along a heat transfer portion of the tubular body defined from respective planes of opposing faces of the opposing tube sheets, the heat transfer portion having at least first and second topologies at first and second sections thereof, respectively, which are respectively disposed proximate to the respective planes of the opposing faces of the opposing tube sheets. | 02-20-2014 |
20140039687 | FIELD CUSTOM FREQUENCY SKIPPING - A method, system, and control system for operating a HVAC system having one or more variable-speed components is provided. The method includes running the one or more variable-speed components at a first setpoint, and determining that the first setpoint generates a response having an intensity above a threshold. The response includes a vibration, a noise, or a combination thereof. The method further includes logging the first setpoint into a list of setpoints to avoid. The method also includes, in response to determining that the first setpoint generates the response having the intensity above the threshold, adjusting the one or more variable-speed components to a second setpoint. | 02-06-2014 |
20140034275 | Condenser/Accumulator and Systems and Operation Methods - A condenser/accumulator ( | 02-06-2014 |
20140034046 | LOW PROFILE VENT TERMINAL WITH VARIABLE EXHAUST ANGLE - Vent terminal apparatus and methods are provided for covering vent pipes in an HVAC system, e.g., air intake and combustion gas exhaust pipes of a furnace or boiler. The vent terminal includes a body defining a shielded air inlet configured to fluidly communicate with an air intake pipe, and an exhaust opening configured to fluidly communicate with an exhaust pipe. The vent terminal also includes a nozzle configured to couple with the body and defining a flowpath therethrough. When the exhaust opening of the body is in fluid communication with the exhaust pipe and the nozzle is coupled with the body, the flowpath is in fluid communication with the exhaust pipe via the exhaust opening and the flowpath is oriented at an acute angle relative to the exhaust pipe. | 02-06-2014 |
20140027101 | HEAT EXCHANGER - A heat exchanger includes a plurality of fins and a plurality of tubes extending through the plurality of fins. The heat exchanger includes a plurality of return tubes, each return tube connected to tube ends of desired tubes of the plurality of tubes. At least one return tube of the plurality of end tubes is configured such that an inner surface of the at least one return tube is secured to an outer surface of the tube end. A method of assembling a heat exchanger includes inserting a plurality of tubes through a plurality of fins. Desired tubes of the plurality of tubes are connected via a plurality of return tubes. Each return tube connects one or more of the plurality of tubes by inserting a tube end of a tube of the plurality of tubes into a return tube end of the return tube. | 01-30-2014 |
20140027098 | HEAT EXCHANGER - A heat exchanger includes a plurality of tubes positioned substantially transverse to a direction of airflow through the heat exchanger and arranged in a plurality of tube rows extending substantially along the direction of airflow. The heat exchanger further includes a plurality of webs substantially integral to two or more tubes of the plurality of tubes, each web extending between and connected to adjacent tubes of the plurality of tubes. At least one tube of the plurality of tubes has a cross section with an aspect ratio greater than 1:1, relative to a substantially horizontal web. | 01-30-2014 |
20140026599 | Transport Refrigeration System And Method For Operating - A refrigeration system having a refrigeration unit ( | 01-30-2014 |
20140020414 | Semi-Electric Mobile Refrigerated System - A power supply system for a transport refrigeration system ( | 01-23-2014 |
20140020411 | Flexible Use of an Inverter in a Refrigeration Unit - A control system for a refrigeration unit being powered by a power source and having a compressor, an inverter and an evaporator fan is provided. The control system may include a first switch configured to selectively couple the compressor with one of the power source and the inverter, a second switch configured to selectively couple the evaporator fan with one of the power source and the inverter, and a controller operatively coupled to the first and second switches. The controller may be configured to engage the first and second switches into one of a first state and a second state based on a triggering event. In the first state, the first switch may be configured to couple the compressor with the power source and the second switch may be configured to couple the evaporator fan with the inverter. In the second state, the first switch may be configured to couple the compressor with the inverter and the second switch may be configured to couple the evaporator fan with the power source. | 01-23-2014 |
20140014648 | Method And System For Joining Workpieces - A system for joining articles includes a joining unit; a positioning unit coupled to the joining unit, the positioning unit positioning the joining unit; a vision system obtaining an image of an item to be joined on a workpiece; a controller for processing the image and controlling a position of the joining unit relative to the item to be joined in response to the image; and a temperature probe for monitoring a temperature; wherein the controller adjusts the position of the joining unit in response to the temperature. | 01-16-2014 |
20140000295 | CRANK CASE HEATER CONTROL | 01-02-2014 |
20130340468 | AIR CONDITIONING SYSTEM WITH DISTILLED WATER PRODUCTION FROM AIR - An air conditioning and water producing system includes a heat pumping unit and a membrane contactor in thermal communication with the heat pumping unit. The membrane contactor is configured such that a first brine flow is cooled by the heat pumping unit and diluted at the membrane contactor. A distiller is in thermal communication with the heat pumping unit and the membrane contactor such that a second brine flow is heated by the heat pumping unit and conveyed through the distiller. Thermal interaction between the second brine flow and the first brine flow flowing through the distiller extracts water from the second brine flow. | 12-26-2013 |
20130340448 | ELECTRIC RE-HEAT DEHUMIDIFICATION - An electric re-heat dehumidification apparatus to dehumidify a conditioned space is provided and includes a conditioning unit to produce an output airstream including overcooled air to be provided to the conditioned space to overcool the conditioned space during the dehumidifying of the conditioned space, a resistive element disposed within an output airstream of the conditioning unit, which, when activated, heats the overcooled air of the output airstream and a controller, operably coupled to the resistive element, to activate the resistive element in accordance with information of the conditioning unit, the resistive element and a temperature of the conditioned space to limit the overcooling of the conditioned space. | 12-26-2013 |
20130340255 | TENSION EXPANSION CLAMPING TOOL BLOCK - An apparatus for expanding and belling a tube is provided including a receiver for supporting a first end of the tube. A stripper block assembly orients a second end of the tube along an axis. The stripper block assembly includes a first grip and a second grip movable in and out of engagement with a surface of the tube. The apparatus also includes a movable belling tool axially aligned with the tube. The belling tool bells a desired length of the tube and supports the second end of the tube. An expander tool is arranged to pass through the axially aligned tube to expand the tube. The expander tool includes an expander rod and an expander bullet. A portion of the expander bullet has a diameter larger than the diameter of the tube. | 12-26-2013 |
20130336642 | ROOFTOP UNIT - A rooftop air conditioning unit to provide conditioned air to a conditioned space within a building is provided and includes a housing, disposed on a roof of the building roof, defining a pathway from an inlet fed by exterior and/or interior air to an outlet leading to the conditioned space and a hydronic heating system disposed within the housing to heat the air traveling along the pathway. | 12-19-2013 |
20130333413 | ROOFTOP UNIT - A rooftop air conditioning unit, including an air conditioner to produce conditioned air for a conditioned space within a building, the air conditioner having an evaporator, a compressor operably disposed downstream from the evaporator and a condenser operably interposed between the compressor and the evaporator, the rooftop air conditioning unit including a housing, disposed on a roof of the building to house the evaporator, the compressor and the condenser, the housing being formed to define a pathway from an inlet that is fed by exterior and/or interior air to an outlet leading to the conditioned space and a heat reclaim module disposed within the housing and operably coupled to the air conditioner to be receptive of heat produced in the air conditioner for heat exchange operations. | 12-19-2013 |
20130327761 | CONDENSATE TRAP HEATER FOR CONDENSING GAS FURNACE - A heating mat for a condensate trap can include resistive traces which heat the mat. The mat can be adhered to the condensate trap, for example using pressure sensitive adhesive. A control thermostat monitors an ambient temperature and/or a temperature within the condensate trap. If a temperature is at or above a setpoint, the controller thermostat disables power to the resistive traces. If a temperature is below at or below a setpoint, the controller thermostat enables power to the resistive traces to heat the condensate trap and the condensate within the condensate trap. In an embodiment, the heating mat can operate at a voltage supplied by the furnace or from a power source external to the furnace. | 12-12-2013 |
20130325192 | SYSTEM AND METHOD FOR ESTABLISHING ACTIVITY BASED ENVIRONMENTAL CONTROL - A method for establishing activity based environmental control includes selecting an activity phase, associating a plurality of environmental parameters with the activity phase, defining a time period for the activity phase, and controlling at least one environmental control device to establish the plurality of environmental parameters in an environmental zone during the time periods associated with the activity phase. | 12-05-2013 |
20130319036 | BRAZED PLATE HEAT EXCHANGER FOR WATER-COOLED HEAT REJECTION IN A REFRIGERATION CYCLE - A water-cooled heat rejection heat exchanger is provided and includes a housing having first and second opposing end plates and sidewalls extending between the end plates to form an enclosure, at least the first end plate including first and second inlet/outlet pairs for first and second fluids, respectively, a plurality of plates disposed within the enclosure between the first and second end plates to define a first fluid pathway disposed in fluid communication with the first inlet/outlet pair and a second fluid pathway disposed in fluid communication with the second inlet/outlet pair and a plurality of brazed formations disposed between adjacent ones of the first end plate, the plurality of plates and the second end plate to isolate the first fluid pathway from the second fluid pathway. | 12-05-2013 |
20130315737 | Stall Margin Enhancement of Axial Fan With Rotating Shroud - A fan assembly includes a shrouded fan rotor having fan blades extending from a hub and rotatable about a central axis. A fan shroud extends circumferentially around the fan rotor and secured to the fan blades. The shroud includes a first axially extending annular portion secured to the fan blades, a second axially extending annular portion radially outwardly spaced from the first axially extending annular portion, and a third portion connecting the first and second axially extending annular portions. A casing is located circumferentially around the fan shroud defining a radial clearance between the casing and the fan shroud, and includes casing wedges extending from a radially inboard surface of the casing toward the shroud and defining a radial wedge gap between a first wedge surface and the shroud and an axial wedge gap between a second wedge surface and an upstream end of the fan shroud. | 11-28-2013 |
20130313822 | BRAZING RING - A brazing ring is provided and includes ring material including an aluminum-zinc-silicon alloy having a first melting point and flux material contained within the ring material having a second melting point, which is substantially lower than the first melting point, the ring material being formed such that the flux material is exposed outwardly to a heat source and such that, upon heating, flux material melts before the ring material. | 11-28-2013 |
20130312452 | Expander System - An apparatus ( | 11-28-2013 |
20130312376 | Liquid Vapor Phase Separation Apparatus - A phase separation apparatus is provided for separating a two-phase fluid flow into a liquid phase portion and a vapor phase portion. The phase separation apparatus may be applied to the separation of a two-phase refrigerant flow in a refrigerant vapor compression system operating in a transcritical cycle. | 11-28-2013 |
20130306288 | TUBE STRUCTURES FOR HEAT EXCHANGER - A fluid-carrying tube for a heat exchanger includes an outer perimeter, an inner perimeter, and a plurality of ridges extending from the inner perimeter inwardly into an interior of the tube. Each ridge includes a ridge height, a base width and a tip width. A ratio of the ridge height to the base width is between about 0.2 and about 4.0, and a ratio of the tip width to the base width is between about 0.015 and about 0.965. | 11-21-2013 |
20130306048 | Indoor Coil Adapter - An adapter for controlling airflow between a first element and a second element in an air conditioning system is provided including a frame having a first frame piece and a second frame piece. A portion of the second frame piece overlaps the first frame piece. The second frame piece slides relative to the first frame piece making a dimension of the frame adjustable. An upper portion of the frame attaches about an end of the first element and a lower portion of the frame attaches about an end of the second element. | 11-21-2013 |
20130305776 | Ejector - An ejector ( | 11-21-2013 |
20130305775 | SYSTEM TO PERFORM A VAPOR COMPRESSION REFRIGERATION CYCLE USING WATER AS THE REFRIGERANT - A system to perform a vapor compression refrigeration cycle using water as the refrigerant is provided and includes an evaporator to output water vapor having a water vapor temperature of a first temperature and a water vapor pressure of a first pressure, a condenser to output liquid water at a second temperature, which is higher than the first temperature, and a second pressure, which is higher than the first pressure and a compressor, operably disposed downstream from the evaporator and upstream from the condenser, to compress the water vapor to thereby increase the water vapor temperature from the first temperature and to thereby increase the water vapor pressure from the first pressure by at least a 7:1 ratio. | 11-21-2013 |
20130302184 | Compressor Windage Mitigation - A compressor ( | 11-14-2013 |
20130298592 | Air Exchange Device For Refrigerated Chamber - A refrigeration unit is provided for conditioning air within a refrigerated chamber for housing perishable goods having an improved air exchange device for selectively admitting fresh air into the refrigerated chamber while simultaneously venting air from within the refrigerated chamber. The air exchange device includes a tubular member having a first chamber and a second chamber isolated from first chamber, the first chamber having an inlet in flow communication with a fresh air source and an outlet opening in flow communication with the refrigerated chamber on a suction side of the evaporator, and the second chamber having an inlet in flow communication with the refrigerated chamber in a discharge side of evaporator fan and an outlet opening in flow communication with a space exterior of the refrigerated chamber. | 11-14-2013 |
20130291571 | METHOD FOR REDUCING TRANSIENT DEFROST NOISE ON AN OUTDOOR SPLIT SYSTEM HEAT PUMP - A method for reducing perceived defrost noise in a heat pump is provided. The method may include energizing a fan configured to urge a heat transfer medium across a heat exchanger, and initiating a defrost cycle to warm the heat exchanger. Initiating the defrost cycle may include de-energizing a compressor fluidly coupled to the heat exchanger, and delaying for a first delay period with the fan energized and the compressor de-energized. Initiating the defrost cycle may also include energizing a reversing valve after the first delay period, to reverse a flow of a refrigerant flow between the compressor and the heat exchanger, and delaying for a second delay period with the fan energized, the compressor de-energized, and the reversing valve energized. Initiating the defrost cycle may also include de-energizing the fan. The method may also include defrosting the heat pump during the defrost cycle, and terminating the defrost cycle. | 11-07-2013 |
20130289928 | RISK-CONTROLLED AMBIENT TEMPERATURE PROFILES - A method of generating a risk-controlled ambient temperature profile including measuring a distribution network and constructing an ambient temperature profile based on results of the measuring by determining a length of the ambient temperature profile, determining a target risk or target failure rate, and generating at least one of hot and cold versions of the ambient temperature profile in accordance with the determined length that facilitate minimization of package expense while achieving the target risk or target failure rate. | 10-31-2013 |
20130277448 | Ejector - An ejector ( | 10-24-2013 |
20130269522 | Heat Pump Enabled Desiccant Dehumidification System - A humidity control system including a heat pump with desiccant coated passive heat transfer devices on both sides of the heat pump and an air circulation system for alternately directing a process air stream to be humidity controlled and a separate regenerative air stream past each side. As desiccant on one side becomes laden with moisture, the air streams are redirected to the opposite sides of the heat pump so the regenerative stream can remove moisture from the first side. Simultaneously, the air stream to be humidity controlled uses the previously regenerated desiccant on the second side. | 10-17-2013 |
20130252185 | IGNITER AIR SHIELD - A burner assembly for use adjacent an igniter element in a gas appliance includes a top plate configured to form the geometric top half of at least one burner, and a bottom plate configured to form the geometric bottom half of at least one burner. The top plate and the bottom plate are joined together to form a burner and a burner carryover. An igniter air shield extends from either the top plate or the bottom plate such that the igniter air shield diverts secondary combustion air flowing around the burner and the adjacent igniter element. | 09-26-2013 |
20130251505 | Ejector Cycle | 09-26-2013 |
20130247598 | Current Limit Control On A Transport Refrigeration System - A method for controlling the operation of a transport refrigeration system to limit current drawn by a compressor powered by AC electric current includes the steps of: (a) determining whether an ambient temperature in which the refrigeration unit is operating has been greater than a set point ambient temperature for a first time period; (b) determining whether the refrigeration unit has been operating in a temperature pulldown mode; (c) determining whether the AC electric current is equal to or exceeds a preset maximum current limit; (d) determining whether a time period between a last defrost cycle and a next previous defrost cycle is less than fifteen minutes; and (e) if the determination is YES in both of step (a) and step (b) and is also YES in at least one of step (c) and step (d), reducing the preset maximum current limit to a reset maximum current limit. | 09-26-2013 |
20130243618 | Locking Shaft Seal Support and Methods - A shaft seal assembly has a support body ( | 09-19-2013 |
20130233524 | Refrigeration Unit With Corrosion Durable Heat Exchanger - A transport refrigeration unit is provided which having a refrigerant heat rejection heat exchanger (condenser/gas cooler) that promotes adequate water drainage and corrosion durability. A wraparound finned tube coil has a plurality of heat exchange tube loops and a plurality of plate fins mounted to the plurality of heat exchange tube loops. Each heat exchange tube loop is formed by a plurality of linear tube segments or hairpin tube segments connected by return bends, with each linear tube segment or hairpin segment extending longitudinally at an inclination angle with respect to vertical of at least 20 degrees. | 09-12-2013 |
20130229009 | INFORMATIONAL LABEL FOR A HEATING,VENTILATION AND AIR CONDITIONING COMPONENT - An informational label for a component of a heating ventilation and air conditioning (HVAC) unit includes a sheet including a plurality of panels foldable from an opened configuration into a closed configuration. The sheet exhibits at least one of resistance to heat or resistance to moisture of an operating environment. A closure is utilized to secure the plurality of panels in the closed configuration, and a layer of adhesive is applied to a panel of the plurality of panels to secure the informational label to an HVAC component. | 09-05-2013 |
20130228613 | Method Of And System For Brazing Aluminum Workpieces Using A Flame And Monitoring Of The Flame Color - A method of brazing an assembly ( | 09-05-2013 |
20130225060 | Energy Recovery Ventilator With Reduced Power Consumption - An air conditioning unit includes a passage having a heat exchanger; a blower for blowing air through the passage; a blower motor driving the blower in response to a drive signal; an energy recovery ventilator (ERV), the blower drawing outside air from the ERV; and a controller for adjusting the drive signal in a ventilation mode to reduce power used by the blower motor. | 08-29-2013 |
20130224671 | UNITARY IGNITER AND FLAME SENSOR - An integral igniter and flame sensor for a furnace includes a mounting base installable in an access port to a burner in a furnace. An igniter extends from the mounting base toward at least one burner of the furnace, and a flame sensor extends from the same mounting base toward the at least one burner. A furnace includes a housing and a heat exchange portion located in the housing. The heat exchange portion includes a heat exchanger and a burner assembly located to heat the heat exchanger. The burner assembly includes at least one burner and an integral igniter and flame sensor. The integral igniter and flame sensor includes a mounting base installable in an access port to the at least one burner. An igniter extends from the mounting base toward the at least one burner and a flame sensor extends from the same mounting base toward the same burner. | 08-29-2013 |
20130205614 | Vacuum Drying Of Heat Exchanger Tubes - A method and an apparatus are disclosed for removing a solvent from a solvent wetted surface of a heat exchange tube. The method includes placing the heat exchange tube in a vacuum chamber, evacuating the vacuum chamber to a lower pressure at which the solvent boils to a vapor, and reclaiming the solvent vapor. The method may include heating the heat exchange tube within the vacuum chamber to a temperature of at least room temperature, but below the solvent's flash point temperature. The apparatus includes a vacuum chamber, a vacuum pump for evacuating the vacuum chamber and a solvent reclaimer for recovering solvent vapor. The apparatus may also include an infrared heater, a radiant heater or other non-flame heater. The method and apparatus may be used for removing solvent from a heat exchange tube having an inside surface wetted with a solvent carrying a dry lubricant. | 08-15-2013 |
20130199220 | Method and Device for Air Conditioning with Humidity Control - An air temperature and humidity control device using a liquid-desiccant humidity controller thermally coupled to a heat pump is disclosed. The humidity controller may include a contactor having at least one contact module with a porous sidewall that is permeable to water vapor and impermeable to the liquid desiccant. The disclosed device provides air temperature control through heat transfer between the liquid desiccant and heat pump and provides humidity controls through water transfer between the desiccant and surrounding air. | 08-08-2013 |
20130197698 | HVAC System Fault Root Cause Self-Determination - A method for self-determining a root cause of a system fault in a heating, ventilation, and cooling (HVAC) system includes receiving a fault message indicative of a fault condition in an operating characteristic of the HVAC system; determining a causal relationship between the fault condition and a predetermined list of root causes associated with the fault condition; receiving information indicative of operating conditions of the HVAC system; and eliminating at least one root cause that is unrelated to the fault condition in response to the receiving of the information. | 08-01-2013 |
20130195626 | BEARING - A clutch bearing ( | 08-01-2013 |
20130186604 | MICRO-CHANNEL HEAT EXCHANGER INCLUDING INDEPENDENT HEAT EXCHANGE CIRCUITS AND METHOD - A micro-channel heat exchanger including a first micro-channel heat conduit having a first end section that extends to a second end section through an intermediate section. The intermediate section includes a plurality of substantially straight sections and a plurality of bend sections that establish a first serpentine path. The micro-channel heat exchanger also includes a second micro-channel heat conduit having a first end portion that extends to a second end portion through an intermediate portion. The intermediate portion includes a plurality of substantially straight portions and a plurality of bend portions that establish a second serpentine path. The first serpentine path extends adjacent to the second serpentine path with the plurality of bend portions being interposed between the plurality of bend sections. | 07-25-2013 |
20130177393 | Hybrid Compressor System and Methods - An apparatus ( | 07-11-2013 |
20130175016 | HEAT EXCHANGER - A heat exchanger ( | 07-11-2013 |
20130174733 | DUAL PURPOSE DESSICANT AND RECOVERY WHEEL - A thermal energy recovery and humidity control system includes a rotating member including a desiccant material located to rotate across a supply air stream and a return airstream. A variable-speed drive element is operably connected to the rotating member to change a rotational speed of the rotating member to allow for switching between thermal energy recovery operation and humidity control operation of the system. A method of climate control includes rotating a desiccant member across both a supply air stream and a return airstream of a climate control system. The desiccant member is rotated at a first rotational speed to transfer thermal energy from the supply air stream to the return air stream. The desiccant member is rotated at a second rotational speed different than the first rotational speed to reduce humidity of the supply air stream. | 07-11-2013 |
20130174591 | SUPERHEAT CONTROL FOR A REFRIGERANT VAPOR COMPRESSION SYSTEM - A refrigerant vapor compression system includes a compressor, an expansion valve, a compressor speed sensor operatively connected to the compressor, an ambient temperature sensor, and a controller operatively coupled to the expansion valve, compressor speed sensor and ambient temperature sensor. The controller including a superheat control that is configured and disposed to selectively activate the expansion valve to establish a desired superheat value based on a speed of the compressor as sensed by the compressor speed sensor and ambient temperature as sensed by the ambient temperature sensor. | 07-11-2013 |
20130167566 | Ejectors and Methods of Manufacture - An ejector ( | 07-04-2013 |
20130160475 | Refrigerated Case Defrost Water Drain - A refrigerated case ( | 06-27-2013 |
20130156544 | Compressor Surge Detection - A compressor ( | 06-20-2013 |
20130153174 | MICROCHANNEL HEAT EXCHANGER FIN - A heat exchanger includes a plurality of tubes ( | 06-20-2013 |
20130152626 | FLUORINATED HYDROCARBON COMPOSTION - A composition is described including a first fluorinated hydrocarbon compound according to the formula: | 06-20-2013 |
20130147624 | Transport Refrigeration Security System - A security monitor system for a transport unit is provided. The security monitor system may include at least one security sensor configured to detect a fault condition, and a controller having a plurality of inputs, a plurality of outputs, and a low power control circuit. The low power control circuit may provide electrical communication between a battery of the transport unit, the security sensor, and at least one of the inputs of the controller. The control circuit may be configured to maintain the controller in low power mode when there are no detected fault conditions, and to enable power to the controller when there is a detected fault condition. | 06-13-2013 |
20130145781 | Multi-Compressor Refrigeration System and Method for Operating It - A refrigeration system ( | 06-13-2013 |
20130145460 | Progammable Customized User Interface for Transport Refrigeration Units - A control device having a graphical user interface for controlling the operation of a transport refrigeration unit is disclosed. The graphical user interface may include a menu structure having multiple levels of menu options, executable functions and data items that may be navigated and viewed by a user. Access to the various menus may be user-specific and controlled so that a subset of the information in the menu structure is available to normal users, and larger subsets of the information are available to advanced users having higher levels of authorization to the menus and information contained in the graphical user interface device. The graphical user interface may also include programmable soft keys that may take users directly to frequently viewed menu options, functions and data items without the necessity of navigating through the levels of the menu structure. | 06-06-2013 |
20130125569 | Ejector Cycle | 05-23-2013 |
20130113289 | TRANSPORT REFRIGERATION UNIT WITH AUXILIARY POWER CIRCUIT AND INTERLOCK - A pre-wired auxiliary power circuit ( | 05-09-2013 |
20130111944 | High Efficiency Ejector Cycle - A system has a compressor ( | 05-09-2013 |
20130111935 | High Efficiency Ejector Cycle | 05-09-2013 |
20130111934 | Ejector Cycle Refrigerant Separator - A system has a compressor ( | 05-09-2013 |
20130111930 | Ejector Cycle | 05-09-2013 |
20130056613 | Grommet Mounting Assembly - A mounting assembly for mounting a mounting foot to a base pan comprises a grommet, a mounting foot and a fastener. The grommet includes a body, an upper post and a lower post. The upper post extends from a first end the body and the lower post extends from a second end of the body. The upper post has a shoulder. The mounting foot has a mount opening for receiving the upper post. The mount opening has a diameter. The fastener is received on the upper post, and maintains the mounting foot on the upper post. The mounting foot has a thickness less than the thickness of the shoulder. | 03-07-2013 |
20130055734 | SENSOR MOUNT FOR A MOBILE REFRIGERATION SYSTEM - A refrigeration system for a mobile unit includes a refrigeration loop ( | 03-07-2013 |
20130055730 | METHOD OF OPERATING A REFRIGERATION SYSTEM FOR A MOBILE CARGO CONTAINER - A method of operating a refrigeration system for a refrigerated mobile cargo container includes sensing a temperature outside of the refrigerated mobile cargo container, detecting a position of a door on the refrigerated mobile cargo container, and activating the refrigeration system if the door is open and the temperature outside of the refrigerated mobile cargo container is less than a predetermined value. | 03-07-2013 |
20130043819 | Chiller Motor Control System - A chiller system ( | 02-21-2013 |
20130043297 | AUTOMATIC FLUXING MACHINE - An automatic fluxing machine is provided and includes a dispensing section including a surface having through holes formed therein through which flux material is dispensable toward a braze joint and a plugging section disposed below the braze joint to prevent downward flow of dispensed flux material. | 02-21-2013 |
20130043296 | AUTOMATIC TORCH FLUXING APPARATUS - An automatic torch fluxing apparatus is provided and includes a supply of fuel, a flux container formed to define a reservoir of non-corrosive flux for aluminum brazing, the reservoir being receptive of the fuel whereby the fuel and the flux form a fuel/flux mixture and a torch to which the fuel/flux mixture is deliverable, the torch being configured to ignite the fuel in the fuel/flux mixture to form a flux enriched flame. | 02-21-2013 |
20130042851 | Furnace Control System and Method - A method for operating a furnace system includes initiating a start sequence comprising starting an inducer fan operative to induce an air flow through a burner assembly, a heat exchanger portion and a collector portion, determining whether an air pressure in the collector portion is above a first threshold value, starting a furnace ignition sequence including providing fuel to the burner assembly, igniting a fuel and air mixture and starting an ignition timer responsive to determining that the air pressure in the collector portion is above the first threshold value, determining whether the ignition timer has expired, determining whether the air pressure in the collector portion is above a second threshold value responsive to determining that the ignition timer has expired, and stopping the provision of fuel to the burner assembly responsive to determining that the air pressure in the collector portion is not above the second threshold value. | 02-21-2013 |
20130037013 | BURNER FOR HEATING SYSTEM - A burner for a furnace includes an inner wall defining a central burner chamber. The inner wall includes a plurality of inner wall openings to admit a fuel flow into the central burner chamber. The burner further includes an outer wall which, defines an annulus for the fuel flow to the plurality of inner wall openings. An igniter is located in the central chamber. A furnace includes a heat exchanger and one or more burners disposed at and aligned with one or more burner openings of the heat exchanger. The one or more burners include an inner wall defining a central burner chamber. The inner wall includes a plurality of inner wall openings to admit a fuel flow into the central burner chamber. The one or more burners further include an outer wall defining an annulus for the fuel flow to the plurality of inner wall openings. | 02-14-2013 |
20130031934 | REFRIGERANT VAPOR COMPRESSION SYSTEM WITH INTERCOOLER - A refrigerant vapor compression system includes a compression device having at least a first compression stage and a second compression stage, a refrigerant heat rejection heat exchanger disposed downstream with respect to refrigerant flow of the second compression stage, and a refrigerant intercooler disposed intermediate the first compression stage and the second compression stage. The refrigerant intercooler is disposed downstream of the refrigerant heat rejection heat exchanger with respect to the flow of a secondary fluid. A second refrigerant heat rejection heat exchanger may be disposed downstream with respect to refrigerant flow of the aforesaid refrigerant heat rejection heat exchanger, and a second refrigerant intercooler may be disposed intermediate the first compression stage and the second compression stage and downstream with respect to refrigerant flow of the aforesaid refrigerant intercooler. | 02-07-2013 |
20130031929 | Reciprocating Refrigeration Compressor Oil Separation - A compressor ( | 02-07-2013 |
20130030575 | Air Change Rate Measurement and Control - A method for controlling a system includes receiving temperature and humidity measurements of supply air to a serviced space, return air from the serviced space, and outside air, wherein the outside air includes air outside the serviced space, calculating a volumetric flow rate of the outside air entering the system using the received temperature and humidity measurements of the supply air, the return air, and the outside air, calculating an air change per hour (ACH) rate in the serviced space using the calculated volumetric flow rate of the air outside the serviced space entering the system and the volume of the serviced space, and controlling the ACH rate in the serviced space. | 01-31-2013 |
20130000342 | SOLAR POWER ASSISTED TRANSPORT REFRIGERATION SYSTEMS, TRANSPORT REFRIGERATION UNITS AND METHODS FOR SAME - A transport refrigeration system, comprising: a compressor ( | 01-03-2013 |
20120318014 | CAPACITY AND PRESSURE CONTROL IN A TRANSPORT REFRIGERATION SYSTEM - Embodiments of apparatus, transport refrigeration units, and methods for operating the same can control cooling capacity for a refrigerant vapor compression system. Embodiments can provide use discharge pressure control for modulating cooling capacity for a refrigerant vapor compression system. In one embodiment, discharge pressure control can reduce the cooling capacity without increasing the compressor pressure ratio or discharge temperature. In one embodiment, discharge pressure control can reduce the cooling capacity independently of system superheat. In one embodiment, discharge pressure control can control a compressor discharge temperature; for example, to remain below a threshold temperature. | 12-20-2012 |
20120318008 | REFRIGERANT DISTRIBUTION APPARATUS AND METHODS FOR TRANSPORT REFRIGERATION SYSTEM - Embodiments of apparatus, transport refrigeration units, and methods for operating the same can control refrigerant compression device restart for a refrigerant vapor compression system. Embodiments can provide control for transitioning a refrigerant vapor compression system to an economized mode. | 12-20-2012 |
20120318006 | DEFROST OPERATIONS AND APPARATUS FOR A TRANSPORT REFRIGERATION SYSTEM - Embodiments of apparatus, transport refrigeration units, and methods for operating the same can control defrost operations for a refrigerant vapor compression system. Embodiments can provide control for transitioning a refrigerant vapor compression system into and out of a defrost mode. | 12-20-2012 |
20120291462 | Ejector Cycle Refrigerant Separator - A system has a compressor. A heat rejection heat exchanger is coupled to the compressor to receive refrigerant compressed by the compressor. An ejector has a primary inlet coupled with heat rejection heat exchanger to receive refrigerant, a secondary inlet, and an outlet. The system has a heat absorption heat exchanger. The system includes means for providing at least of a 1-10% quality refrigerant to the heat absorption heat exchanger and an 85-99% quality refrigerant to at least one of the compressor and, if present, a suction line heat exchanger. | 11-22-2012 |
20120291461 | Ejector-Type Refrigeration Cycle and Refrigeration Device Using the Same - A system has first and second compressors ( | 11-22-2012 |
20120266610 | PERFORMANCE AND POSITION MONITORING OF A MOBILE HVAC&R UNIT - A system for monitoring a mobile refrigerant system including one or more system components is provided. The system includes a global positioning system, a performance monitor, and a processor. The global positioning system includes a receiver that provides a locator signal. The performance monitor provides a monitor signal indicative of operational performance of at least one of the system components of the refrigerant system. The processor is adapted to receive and combine the locator signal and the monitor signal, and produce a combined locator and monitor signal output. | 10-25-2012 |
20120247141 | Reciprocating Refrigeration Compressor Oil Sealing - A compressor ( | 10-04-2012 |
20120247138 | TRANSPORT REFRIGERATION SYSTEM AND METHODS FOR SAME TO ADDRESS DYNAMIC CONDITIONS - In a refrigeration system having a compressor, a heat rejection heat exchanger, a heat absorption heat exchanger, and a controller for controlling the same, embodiments of a system, apparatus and methods for the same can control at least one refrigeration system component such as an expansion valve responsive to dynamic system conditions. | 10-04-2012 |
20120245739 | SYSTEM AND METHOD FOR MAINTAINING AIR TEMPERATURE WITHIN A BUILDING HVAC SYSTEM - A system and method for conditioning air within an air handling system of a building is provided. The building has a hot water source and a cold water source. The conditioning system includes at least one heating-cooling unit connected to the air handling system, a primary water storage device, at least one heat pump, and a controller. The heating-cooling unit, which includes at least one chilled beam, is operable to transfer heat into or out of air passing within the air handling system of the building. The primary water storage device is operable to store a volume of water within a predetermined temperature range. The primary water storage device is in communication with the hot water source and the cold water source. The heat pump is connected to the primary water storage device and the chilled beam. The controller is adapted to selectively drive the heat pump to transfer heat between the primary water storage device and the chilled beam. The controller is also adapted to selectively control the system to transfer heat into or out of the primary water storage device to maintain the water within the primary storage device within the predetermined temperature range. | 09-27-2012 |