Class / Patent application number | Description | Number of patent applications / Date published |
417366000 | Including means utilizing pump fluid for augmenting cooling, lubricating, sealing, or cleaning of motor | 79 |
20080226474 | Flattened Brushless Motor Pump and Vehicle Electric Pump Unit Using Flattened Brushless Motor Pump - The flattened brushless motor pump sucks liquid from suction port and discharges liquid from discharge port by rotating rotary shaft of flattened brushless motor flattened brushless motor has a stator unit having cores around which a plurality of armature coils are wound and terminals electrically connected to the armature coils, and being formed by molding the cores and the terminals with resin in a watertight manner a rotor unit having magnets disposed facing the cores via a gap, rotary shaft and a yoke fixed to the rotary shaft and holding the magnets, wherein an in-water bearing for sliding the rotary shaft by a water film. | 09-18-2008 |
20080298984 | Unit For Generating and Treating Compressed Aeriform Fluids, With an Improved Cooling System | 12-04-2008 |
20080317612 | Auxiliary engine driven device and methods for use thereof - Auxiliary engine driven devices and methods for using the same are provided. The auxiliary engine driven devices includes an engine having a first end and a second end and an auxiliary device. The engine is drivingly connected to the auxiliary device on the first end of the engine to provide power to operate the auxiliary device. A cooling system is disposed on the engine with the cooling system having a heat exchanger disposed adjacent the second end of the engine. A tangential blower is positioned along a side of the engine. An enclosure for enclosing the engine and the auxiliary device is also included. The enclosure has a first and second end and is configured to permit the pulling of air by the tangential blower over the auxiliary device and at least a portion of the engine from the first end of the enclosure and pulling of air by the tangential blower through the heat exchanger of the cooling system and over at least a portion of the engine from a second end of the enclosure. | 12-25-2008 |
20090010771 | MOTOR COOLER - A cooling fan comprises an outer housing. A motor support is fixed to the outer housing and a motor is mounted to the motor support. A hub is rotatably coupled to the motor and, with the motor support, forms a motor enclosure that substantially surrounds the motor. A plurality of blades extends radially from the hub and are arranged so as to generate a flow of air around the motor enclosure when the blades are rotated. The cooling fan also comprises a motor cooler comprising a flow path through the motor enclosure, wherein the flow path has a first opening and a second opening, wherein the second opening is disposed within an area of lowered downstream pressure so as to develop a differential pressure between the first and second openings and generate a flow of air through the motor enclosure as the motor operates. | 01-08-2009 |
20090081057 | Turbocharger - A turbocharger includes a housing, and a turbine shaft supported in a center hole in the housing through rolling bearings. A tank portion for storing lubrication oil is formed in the housing, and the lubricating oil is supplied from the tank portion to the rolling bearings through wick members extending from the tank portion respectively to the rolling bearings. The wick member includes a bundle of fibers made of a plastics material, and a distal end portion thereof is separated into a fibrous condition, and this distal end portion is held in contact with the bearing. The lubricating oil is supplied to the bearing by a capillary action of the wick member. | 03-26-2009 |
20090148314 | Scroll Fluid Machine - An electric motor-driven scroll compressor as a fluid machine includes a housing ( | 06-11-2009 |
20090148315 | Circulation pump - A circulation pump is proposed, comprising an electric motor with a stator, a rotor and a motor circuit, as well as a housing, in which the electric motor is disposed, wherein the housing has a first chamber, in which the stator and the rotor are disposed, and a second chamber, which is separate from the first chamber and in which at least one carrier is positioned, on which at least part of the motor circuit is disposed, and wherein the first chamber and the second chamber are connected by at least one connection opening, by means of which at least one electrical element of the motor circuit, which is disposed on the at least one carrier, is in thermal contact with the stator in the first chamber. | 06-11-2009 |
20090191070 | Motor-operated fan apparatus - A motor-operated fan apparatus is made up of a brushless motor and a centrifugal fan. The brushless motor has: a rotary shaft vertically disposed on a substrate in a rotatable manner; a stator disposed coaxially with the rotary shaft; and a rotor integrally disposed on the rotary shaft. The centrifugal fan has: a disk part which covers the brushless motor and is fixed to the rotary shaft; and a multiplicity of vane parts which are disposed so as to be elongated from an outer edge of the disk part. A ventilation control member is provided in a space between the rotor and the disk part to block the air flowing from the substrate side to the space between the rotor and the disk part. | 07-30-2009 |
20090202366 | SUBMERGED DC BRUSHLESS MOTOR AND PUMP - An in-line motor and pump assembly is supported at the bottom of a fuel storage tank by a pipe and an internal concentric conduit for housing electrical conductors extending therewithin to the motor. An impeller, coaxial with the rotor of the motor, draws the fuel into an annular passageway surrounding the stator of the motor. Further passageways convey the fuel to an annular passageway defined between the pipe and the conduit for discharge external of the storage tank. A low pressure environment attendant the inflow of the fuel is used to channel fuel for lubrication and cooling purposes to a lower journal bearing and thrust bearing supporting a common shaft for the impeller and the motor. A high pressure environment attendant outflow of fuel is used to channel fuel for lubrication and cooling purposes to a journal bearing supporting the upper end of the shaft. | 08-13-2009 |
20090232675 | WET-RUNNING PUMP - A wet-running pump comprises a rotor which is connected to a pump wheel and which is arranged in a wet area adapted to have a guided fluid passed therethrough. The wet area is separated from a dry area wherein a stator which cooperates with the rotor, is arranged. The wet area is separated from the dry area by a conductor plate, wherein the electric lines thereof form the stator such that the conductor plate simultaneously forms a separating can, thus simplifying the construction and mounting of the wet-running pump. | 09-17-2009 |
20090269220 | ELECTRIC COMPRESSOR - An electric compressor ( | 10-29-2009 |
20100054968 | AXIAL-FLOW FAN FOR A VEHICLE RADIATOR - The invention relates to an axial-flow fan for a vehicle radiator, the fan wheel of which delivering the main air flow is driven by a hub motor centrally rotationally coupled to said fan wheel, the vehicle radiator being arranged on the intake side of the fan wheel, the hub motor during operation being cooled by a secondary air flow, and the cooling air flow of the hub motor flowing out from an air outlet opening situated on the intake side in the hub area of the fan wheel. In order that an air flow sufficient for cooling the hub motor can be provided whilst avoiding a significant reduction in the fan efficiency, an air baffle device allowing the greater part of its cooling air flow to pass is assigned to the hub motor and the cooling air flow passing through the air baffle device is led out of the air outlet opening, avoiding disturbances of the main air flow delivered by the fan wheel. | 03-04-2010 |
20100111724 | Air compressing assembly - An air compressing assembly includes an air tank disposed in a receptacle, an air blowing device disposed in the receptacle and coupled to the air tank for generating and supplying a pressurized air of a relatively lower air pressure and greater flowing quantity to the air tank, an air compressing device disposed in the receptacle for generating and supplying another pressurized air of a relatively greater air pressure and a relatively decreased flowing quantity to the air tank, and a control device coupled to the air compressing devices for controlling the air compressing devices to generate and supply different pressurized airs of different pressures and different flowing quantities to inflate different air facilities. | 05-06-2010 |
20100135829 | AIR SUPPLY FAN DEVICE - An air supply fan device including: a fan casing disposed continuously to a combustion chamber containing a gas burner therein; an air supply fan contained inside of the fan casing, for supplying burning air to the gas burner; and a motor disposed outside of the fan casing, for rotating the air supply fan. The air supply fan device comprising: a ventilation hole formed by opening a fan casing constituting wall around a motor rotary shaft of the motor connected to the air supply fan; and a diaphragm valve body which is fixed to the ventilation hole and has a through hole, through which the motor rotary shaft is inserted, opened at the center thereof. The valve body being formed into a shape such that a gap is defined between the through hole and the motor rotary shaft when the inner pressure inside of the fan casing is negative during the rotation of the air supply fan while the gap is closed in tight contact of the peripheral edge of the through hole with the motor rotary shaft when the inner pressure inside of the combustion chamber or the fan casing is positive. | 06-03-2010 |
20100143165 | ELECTRIC COMPRESSOR WITH INTEGRAL INVERTER - An electric compressor provided with an integral inverter, incorporated with a motor and provided in a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive circuit are coated at an assembly-completed state with a resin material at a predetermined thickness by, for example, pouring of a liquid resin and draining of excess resin. In the electric compressor, a resin coating structure of the motor drive circuit is simplified, is easily coated with resin, is reduced in weight by reducing the amount of resin, and is reduced in cost. | 06-10-2010 |
20100158713 | FAN MOTOR - The present invention provides a fan motor capable of achieving both an improvement in a self cooling function of the fan motor and a reduction in fan noise, and of preventing the occurrence of heat damage, problems, and the like caused by external radiation heat and by self-heating, fan noise, and deterioration in fan performance and in fan efficiency. The fan motor ( | 06-24-2010 |
20100158714 | Rotary pump with a fixed shaft - A rotary pump ( | 06-24-2010 |
20100172770 | VEHICLE-AIR-CONDITIONER ELECTRIC COMPRESSOR - An object is to provide a highly reliable vehicle-air-conditioner electric compressor of an inverter-integrated type that minimizes vibration and deformation of a board and a bus bar caused by vibration of a vehicle so as to prevent devices from becoming detached, to prevent soldered sections and welded sections from rupturing, and to prevent short circuits from occurring. In a vehicle-air-conditioner electric compressor ( | 07-08-2010 |
20100209264 | AXIAL FAN AND METHOD OF MANUFACTURING THE SAME - A fan includes sloping surfaces arranged at an inner peripheral surface of an air channel portion that are shaped such that an air passage is enlarged in a cross sectional area in a direction normal or substantially normal to a central axis. The inner peripheral surface of the air channel portion also includes a straight surface at which area the distance between the central axis and the inner peripheral surface of the air channel portion his substantially constant. Also, the straight surface of the air channel portion includes a plurality of slits each penetrating the air channel portion. | 08-19-2010 |
20110052428 | ELECTRIC FUEL PUMP FOR HEAVY DUTY ENGINE PLATFORMS - This invention relates to a Brushless DC Electric Fuel Pump (BEFP) for an internal combustion engine having a cooling system which transfers all the heat generated by its components to the heat conducting body parts and carrying the heat away not only by the fuel but also air by the use of sealed fuel channels and external heat sinks. The Brushless DC Electric Fuel Pump has a main housing, a stator within the housing, an inlet cover which fuel is drawn into, an intermediate cover and a pump body. | 03-03-2011 |
20110097222 | SUPERCHARGER - A supercharger includes a centrifugal compressor having an impeller, a rotational shaft coupled to the impeller, a motor having a stator and a rotor housed in a casing, and a journal air bearing supporting the rotational shaft. The journal air bearing includes a hollow cylindrical member having an inner space therein and a heat transfer member fitted in the inner space. The heat transfer member is made of a material which is less rigid and has a greater coefficient of thermal conductivity than the hollow cylindrical member. The impeller radiates heat transferred through the heat transfer member into ambient air. | 04-28-2011 |
20110110801 | FLUID PUMP FOR DELIVERING COOLED WORKING FLUID IN AN ENGINE COOLING SYSTEM - A fluid pump for delivering cooled working fluid in an engine cooling system includes a housing unit defining front and rear chambers, an inlet disposed upstream of a central region of the front chamber, an outlet disposed downstream of a surrounding region of the front chamber, a canister member dividing the rear chamber into stator- and rotor-side spaces for receiving a stator and a rotor, respectively, a hollow shaft which is rotated with the rotor to turn an impeller in the central region and which defines a passage, and an auxiliary conduit communicated with the inlet and the rear chamber so as to divert part of the working fluid to flow through the internal duct and the passage, thereby diffusing heat generated within the housing unit. | 05-12-2011 |
20110135513 | SCROLL COMPRESSOR COUNTERWEIGHT WITH COOLING FLOW DIRECTING SURFACE - A sealed compressor includes a housing for receiving a compressor pump unit and an electric motor. The electric motor drives a driveshaft. The driveshaft extends to drive an element within the compressor pump unit to compress a fluid. The motor includes a rotor spaced from a portion of the housing by a gap. The driveshaft drives a counterweight, which has a radially outermost portion extending radially outwardly beyond a radially innermost portion of the stator. The radially outermost portion of the counterweight has an angled face to drive fluid into the gap. | 06-09-2011 |
20110164996 | SOLUTION SENDING PUMP - A motor is fixed to a retaining member by bolts and well nuts. The well nuts are attached to the retaining member so that their flange portions are positioned between a motor fixing portion and the retaining member, and a clearance corresponding to thickness of the flanges of the well nuts is provided between the motor fixing portion and the retaining member. Heat-conductive elastic members are sandwiched between the motor fixing portion and the retaining member. | 07-07-2011 |
20110300006 | SYSTEM AND METHOD FOR COOLING A COMPRESSOR MOTOR - Apparatus and methods are provided for cooling motors used to drive gas and air compressors. In particular, the cooling of hermetic and semi-hermetic motors is accomplished by a gas sweep using a gas source located in the low-pressure side of a gas compression circuit. The gas sweep is provided by the creation of a pressure reduction at the compressor inlet sufficient to draw uncompressed gas through a motor housing, across the motor, and out of the housing for return to the suction assembly. The pressure reduction is created by means provided in the suction assembly, such as a nozzle and gap assembly, or alternatively a venturi, located upstream of the compressor inlet. Additional motor cooling can be provided by circulating liquid or another cooling fluid through a cooling jacket in the motor housing portion adjacent the motor. | 12-08-2011 |
20120107151 | REFRIGERANT COMPRESSOR - A refrigerant compressor includes: an electric motor including a stator and rotor inside a sealed vessel; a compressing mechanism driven by a crank shaft in the rotor; a lower portion oil pool storing in the sealed vessel lubricating oil that lubricates the compressing mechanism; an upper counterweight on an upper end of the rotor. Refrigerant gas compressed by the compressing mechanism is discharged inside the sealed vessel, passes through a gas channel formed on the electric motor, moves from a lower space to an upper space with respect to the electric motor, and is discharged outside the sealed vessel. An oil return flow channel is formed on the upper end of the rotor toward a lower end from a vicinity of a leading end portion of the upper counterweight in a direction of rotation, and oil expressed in a vicinity of the rotor is directed to the oil return flow channel. | 05-03-2012 |
20120177511 | Modular Pump Rotor Assemblies - Modular pump rotor assemblies having a rotatable driving element and a rotor that is removably connected to the driving element by at least one removable fastener are disclosed. The assemblies also have a rotor support bearing that is disposed between the rotatable driving element and the rotor. The assemblies may have a rotatable driving element that is of a type that is dynamically sealed to a pump housing, or a rotatable driving element that is of a type that is statically sealed to a pump housing, such as for use in a magnetically coupled pump or a canned-motor device. | 07-12-2012 |
20120251351 | Gas Compressor Assembly - A gas compressor assembly for compressing a gas includes a rotor having a rotational axis, a motor section and a compressor section arranged along the rotational axis of the rotor. The gas is supplied via an inlet. A first motor passageway directs the gas from the inlet to the motor section for cooling the motor section. A compressor passageway directs the gas from the motor section to the compressor section. The assembly also includes a gas-tight housing to enclose the rotor, a bearing section, the motor section, and the compressor section. The motor section includes a motor and a stator. The inlet is arranged such that a majority the gas flowing through the inlet is directed to the motor section through the first motor passageway wherein the gas cools the motor section before compression of the gas, to provide increased cooling of the motor and the stator. | 10-04-2012 |
20120321490 | Convertible and Compact Refrigeration System - A refrigeration system comprises a fan and motor unit | 12-20-2012 |
20130004344 | Well Pump with Seal Section Having a Labyrinth Flow Path in a Metal Bellows - A submersible well pump assembly has a rotary pump, a motor, and a seal section coupled between the motor and the pump. The seal section has a cylindrical housing having upper and lower adapter and a shaft extending axially through the housing. A guide tube surrounds the shaft and a bellows surrounds the guide tube. A well fluid passage communicates well fluid to a well fluid chamber between the bellows and the housing. A guide tube passage extends axially within the guide tube between an interior and an exterior of the guide tube from an upper portion to a lower portion of the guide tube for communicating lubricant in the motor with lubricant within the bellows. | 01-03-2013 |
20130084197 | FAN UNIT - A fan unit ( | 04-04-2013 |
20130136629 | SUBSEA MOTOR-COMPRESSOR COOLING SYSTEM - A fluid compression system is disclosed having a hermetically-sealed housing with at least a motor and a compressor arranged therein. The motor may drive both the compressor and a blower configured to circulate a cooling gas throughout the housing and thereby cool the motor and accompanying radial bearings. The cooling gas may be cooled in a gas-to-gas heat exchanger fluidly coupled to the blower and configured to receive a flow of process gas to cool the cooling gas. The process gas may be the suction process gas for the compressor, or the compressed process gas as discharged from the compressor. | 05-30-2013 |
20130136630 | CANNED MOTOR PUMP AND METHOD FOR FILLING FILLING MEMBER INTO STATOR CHAMBER THEREOF - A canned motor pump, wherein a motor stator is housed in a stator chamber that is a space between a tubular stator can for housing a motor rotor and a tubular stator band disposed coaxially with the stator can. The stator chamber is closed by annular end plates at the cylindrical ends between the stator can and the stator band. The stator chamber is filled with a filler. The filler is produced from spherical inorganic material particles filled into the stator chamber and resin for causing the particles to stick to each other. Consequently, the heat release performance of the stator of the canned motor pump is improved. | 05-30-2013 |
20130189131 | WATER COOLED MOTOR WITH STAINLESS STEEL COOLING JACKET - The invention relates to a motor assembly having an electric motor for driving a pressure washer pump, and the electric motor having an integral stainless steel cooling jacket surrounding the motor for efficiently using a liquid, such as water, to conduct heat away from the electric motor. | 07-25-2013 |
20130236334 | DOUBLE-SCREW LIQUID PUMP - A double-screw liquid pump is provided, which is applicable to an Organic Rankin Cycle (ORC). The double-screw liquid pump includes a semi-sealed or fully sealed shell, and the shell includes a first cavity and a second cavity isolated from each other. A motor is disposed in the first cavity, and a main body part of a double-screw is disposed in the second cavity. At least one rotor of the double-screw is fixedly connected to a rotor of the motor, and the double-screw rotates through driving of the motor. A liquid refrigerant injection inlet and a refrigerant outlet are disposed on the first cavity, and the motor is cooled through evaporation of a liquid refrigerant; a liquid inlet and a liquid outlet are disposed on the second cavity. In the double-screw liquid pump applied to the ORC provided in the present invention, since a resistance torque of the female rotor is very small, the liquid pump does not wear even when the liquid viscosity is very low, contributing to good reliability, and thereby improving power generation efficiency of the ORC. In addition, the semi-sealed or fully sealed shell can effectively prevent leakage of the refrigerant. | 09-12-2013 |
20140023529 | MOTOR PUMP BEARING - A bearing that is used in a motor pump in which a liquid is, not only pumped by means of an impeller driven by the pump, but also is used to lubricate components of the motor pump including the motor pump shaft. The bearing is for supporting the shaft at at least one location of the shaft. The bearing is constructed of a bronze material having added thereto a small amount of graphite, preferably around 2.5%. | 01-23-2014 |
20140154112 | MOTOR-PUMP UNIT - A motor-pump unit includes an electric motor and a pump. The electric motor has a motor housing, on the outside of which a cooling channel is arranged. The pump has a suction inlet and a pressure outlet. Liquid to be pressurized can be fed by way of the cooling channel to the suction inlet. In order that the motor-pump unit can be produced and assembled more cost-effectively, the motor housing includes a first housing part and a second housing part, which are connectable to each other in a liquid-tight manner and between them form the cooling channel. | 06-05-2014 |
20140219835 | CENTRIFUGAL FAN - A centrifugal fan includes a centrifugal impeller rotatable around an axis of rotation; a drive motor of the centrifugal impeller; a casing including a central portion for housing the motor and the centrifugal impeller and a tangential outlet channel in communication with the central portion. The casing has an inlet opening in the central portion and an outlet opening in the tangential outlet channel. The fan includes a system for cooling the motor including the impeller, a ventilation channel operating between the tangential outlet channel and the central portion for generating a flow of cooling air, a collar integral with the centrifugal impeller extending axially from the centrifugal impeller around the motor and a plurality of blades of the motor for generating a tangential cooling component which combines with the flow of cooling air and generating as a resultant, a helical vortex around the motor. | 08-07-2014 |
20140234138 | CEILING TYPE AIR CONDITIONER - A ceiling type air conditioner includes a case defining an outer appearance, a fan disposed to a bottom of the case, a turbo fan disposed within the case, the turbo fan including a main plate rotated by power provided from the fan motor and a blade having a side connected to the main plate, and a heat exchanger disposed outside the turbo fan. A cooling passage cooling the fan motor is defined between the main plate and the bottom surface of the case. The cooling passage includes a flow part through which air passing through the blade flows into the flow part toward the fan motor, and a panel installation part to which a panel is installed for adjusting an amount of air flowing into the flow part toward the fan motor. | 08-21-2014 |
20140271268 | FAN SHROUD AND MOTOR ASSEMBLY COMPRISED THEREOF - This disclosure proposes designs for a fan shroud that dissipates thermal energy from a motor using a single, externally-powered fan design. Examples of the proposed fan shroud allow the cooling fluid to achieve maximum velocity at a position at which the fan shroud exposes the flow to cooler ambient air that surrounds the fan shroud/motor assembly. In this configuration, the high-velocity cooling fluid draws the cooler ambient air towards the surface of the motor, which, in turn, increases the thermal capacity of the moving cooling fluid to dissipate more thermal energy from the motor. | 09-18-2014 |
20140271269 | FAN SHROUD AND MOTOR ASSEMBLY COMPRISED THEREOF - This disclosure proposes designs for a fan shroud that dissipates thermal energy from a motor using a single, externally-powered fan design. Examples of the proposed fan shroud allow the cooling fluid to achieve maximum velocity at a position at which the fan shroud exposes the flow to cooler ambient air that surrounds the fan shroud/motor assembly. In this configuration, the high-velocity cooling fluid draws the cooler ambient air towards the surface of the motor, which, in turn, increases the thermal capacity of the moving cooling fluid to dissipate more thermal energy from the motor. | 09-18-2014 |
20140363318 | OIL CONTROLLER FOR HIGH TEMPERATURE EPUMP APPLICATIONS - In an electric motor-driven oil pump assembly for use with an engine in a vehicle, such as with an automatic engine-stop system in which an electric motor-driven oil pump is driven by an electric motor for hydraulic pressure supply to a transmission or engine of an automotive vehicle, at least in a stopped state of a mechanical oil pump driven by the engine, a controller for operating the motor for controlling the oil pump is provided in a housing proximal the flowing oil fluid such that the flowing oil fluid maintains the temperature of the controller below a predetermined temperature to avoid failure of the electronic components of the controller. | 12-11-2014 |
20150023816 | CANNED-MOTOR PUMP FOR VEHICLE - A canned motor pump is provided that includes a rotor of a motor and a shaft shaped as a bar. The shaft penetrates through and is coupled with the rotor. A bearing is shaped as a circular cylinder, and is coupled to an upper side of the rotor. Further, the shaft penetrates through the bearing. A housing surrounds the rotor and the bearing to expose an upper end of the bearing and to house the rotor and the bearing within the housing. | 01-22-2015 |
20150086394 | TURBO-COMPRESSOR AND REFRIGERATION CYCLE APPARATUS - A turbo-compressor according to the present disclosure includes an impeller, a motor that generates heat by rotation of the motor and rotatably drives the impeller, a fluid passage through which a working fluid is passed via the impeller, and a heating mechanism that transfers the heat generated with the rotation of the motor to the fluid passage upstream of the impeller, to heat the working fluid inlet into the fluid passage with rotation of the impeller. The working fluid is compressed in the fluid passage downstream of the impeller. | 03-26-2015 |
20150093267 | Centrifugal Impeller and Centrifugal Blower - A centrifugal impeller includes a cover, a base opposite the cover and a plurality of blades. The cover has an inlet. The plurality of blades surround the inlet and are arranged between and connect the cover and the base. Inlet edges of one end of the blades adjacent the center of the impeller define a cavity in communicate with the inlet. The dimension of the cavity gradually decreases along the direction from the cover towards the base. | 04-02-2015 |
20150098845 | Fluid Machinery - A fluid machinery including: an expander that generates power by expansion of refrigerant; and a piston pump that pumps the refrigerant, and capable of reducing a decrease in lubrication performance of a mechanical sliding section in a crank chamber of the piston pump. A fluid machinery | 04-09-2015 |
20150308439 | POWERFUL TOY BLOWER - The embodiment of the utility model discloses a powerful toy blower, comprising a housing, a fan and a motor. Application of Bernoulli's Principle enhances the efficiency of air flow. The housing adopts centrifugal design, with which the fan shall easily rotate at high speeds and air resistance to the fan will be much lower, leading to higher fan capacity. On the housing shell near a motor fixing socket, two air inlets are disposed for efficient heat dissipation and sufficient air flow so that the service life of the blower can be extended. The fan is shaped based on geometric modeling. The fan blades are tangent to the annular hub and perpendicular to the periphery of the rotating plate. Also, the edge of each blade at the periphery is vertical to the rotating plate, so as to reduce air leakage and avoid air backflow. A motor mounting socket is disposed within the center top of the rotating plate, which not only enhances operation stability and avoid unnecessary vibration but also reduces the size of the housing and the cost of production. | 10-29-2015 |
20150330412 | SYSTEM AND METHOD FOR CLEANING SUBMERSIBLE MOTOR PUMPS COVERED WITH SUCTION SLEEVES AND DISPOSED HORIZONTALLY OR VERTICALLY - The invention relates to a cleaning system for submersible motor pumps ( | 11-19-2015 |
20160061221 | ELECTRIC WATER PUMP WITH COOLANT PASSAGE - An electric water pump includes an electric motor having a stator which generates an electromagnetic field by control signals supplied from a driver and a rotor which rotates by the electromagnetic field generated by the stator. An impeller is connected to and rotates with the rotor to circulate a coolant. An inside space of the electric water pump may include a motor room in which the electric motor is disposed, a volute room in which the impeller is positioned, and a pump driver room in which the pump driver is positioned. | 03-03-2016 |
20160186777 | MOTOR HOUSING ASSEMBLY FOR A CABIN AIR COMPRESSOR - A motor housing assembly for a cabin air compressor assembly is provided that includes a central body portion, a first end portion, and a second end portion. The central body portion has an internal cavity configured to receive an electric motor. The first end portion includes a first and second motor cooling inlet duct. The second end portion includes a flange configured to couple with an outlet housing of the cabin air compressor assembly. A motor cooling duct centerline is defined between the first and second motor cooling inlet duct and is perpendicular to a central body portion centerline. A first distance is defined between an outer edge of the first and second motor cooling inlet duct. A second distance is defined between an outer face of the flange and an intersection of the centerlines. A ratio of the first distance to the second distance is between 1.29 and 1.3. | 06-30-2016 |
20160201690 | MOTOR WITH HEAT DISSIPATION STRUCTURE CAPABLE OF RESTRAINING TEMPERATURE THEREIN | 07-14-2016 |
20190145428 | COMPACT, MODULAR, INTEGRAL PUMP OR TURBINE WITH COAXIAL FLUID FLOW | 05-16-2019 |
417367000 | Heat exchange means between pump fluid and secondary motor contacting fluid | 2 |
20080253909 | Refrigerant Compressor - The present invention provides a refrigerant compressor which may assure excellent reliability while using low-viscosity refrigerant. The refrigerant compressor is characterized in that the viscosity of oil stored in hermetic container ranges from VG3 to VG8, and the boiling component at 350 C or over is not less than 10% and not higher than 30% in volume ratio, and the boiling component at 300 C or less is not less than 50% and not higher than 70% in volume ratio. Accordingly, the input reduction at sliding surfaces can be realized, and the lubricant is evaporated, therefore it is possible to prevent defective compression caused by PET (polyethylene phthalate) or the like deposited on the surfaces of the discharge reed and the like, and to enhance the efficiency and reliability. | 10-16-2008 |
20220136510 | WATER-COOLED PUMP ASSEMBLY FOR BATHING UNIT SYSTEM AND PUMP ASSEMBLY FOR BATHING UNIT SYSTEM WITH MOUNTING BRACKETS - A pump assembly is presented including a motor housing holding an electric motor and a wet-end housing. The pump assembly also includes a heat transfer interface positioned between a front end of the motor housing and the wet-end housing. The heat transfer interface establishes a thermal conduction path between the motor housing and the wet-end housing so that, in use, a portion of heat generated by the motor is absorbed by the heat transfer interface and is dissipated in water circulating through the wet-end housing. In addition, or alternatively, another thermal conduction path may be established between the heat transfer interface and an electronic controller of the pump assembly so that heat generated by the controller is absorbed by the heat transfer interface and dissipated in water circulating through the wet-end housing. Mounting brackets may be provided at different radial locations about an outside casing of the pump assembly to allow mounting the assembly to a supporting structure in different orientations. | 05-05-2022 |
417368000 | Including additional means for motivating fluid flow to or from motor (e.g., auxiliary pump, pump fluid induced flow path, etc.) | 11 |
20090016908 | MULTI-CYLINDER, DRY-RUNNING PISTON COMPRESSOR A COOLING AIR FLOW - A multi-cylinder dry-running piston compressor for generating compressed air. The piston compressor includes a crankcase having an interior and a crankshaft rotatably mounted in the crankcase. Also included are two connecting rods mounted in the crankshaft and configured to run counter to one another. Further included are two cylinders mounted in the crankcase and a piston arranged at an end of each of the connecting rods and configured to run in a respective one of the two cylinders. | 01-15-2009 |
20090092504 | Hermetic compressor - A hermetic compressor includes a hermetic container, a compression element accommodated in the hermetic container, and a motor element driving the compression element. The hermetic container has an inner space therein arranged to store lubrication oil. The compression element includes a shaft unit rotating about a rotation axis. The shaft unit has an oil-feeding passage provided therein. The oil-feeding passage extends upward from a lower end of the shaft unit. The shaft unit has an oil-spattering hole provided therein. The oil-spattering hole extends substantially perpendicularly to the rotation axis. The oil-spattering hole has a first open end communicating with the oil-feeding passage and a second open end opening in the inner space of the hermetic container. The second open end has a cross-sectional area smaller than a cross-sectional area of the first open end. This hermetic compressor supplies lubrication oil to sliding component, such as a piston, of the compression element, thus operating reliably and efficiently. | 04-09-2009 |
20090123306 | COUPLING ELEMENT COOLING ARRANGEMENT - A rotating system includes a drive member and a driven member. The rotating system includes a coupling positioned to rotatably couple the drive member to the driven member and a housing surrounding a portion of the coupling to define an inside and an outside, the housing having a plurality of apertures. A fan is coupled to the coupling and operable to produce a flow of air from the inside to the outside via at least one of the plurality of apertures, and a guide tube is positioned within one of the plurality of apertures to guide a flow of air from the outside to the inside. | 05-14-2009 |
20130224047 | COUPLING ELEMENT COOLING ARRANGMENT - A rotating system includes a drive member and a driven member. The rotating system includes a coupling positioned to rotatably couple the drive member to the driven member and a housing surrounding a portion of the coupling to define an inside and an outside, the housing having a plurality of apertures. A fan is coupled to the coupling and operable to produce a flow of air from the inside to the outside via at least one of the plurality of apertures, and a guide tube is positioned within one of the plurality of apertures to guide a flow of air from the outside to the inside. | 08-29-2013 |
20130315755 | TEMPERATURE CONTROL SYSTEM FOR A MACHINE AND METHODS OF OPERATING SAME - A temperature control system for an electrical machine and a method of operating the system is provided. The machine includes a housing enclosing a motor and a compressor, the housing includes a suction pipeline in flow communication with the compressor. The suction pipeline is configured to channel fluid into the housing. A temperature control system assembly includes a fluid mover coupled to at least one of the rotor shaft and the compressor shaft and in flow communication with the suction pipeline upstream from the compressor. The fluid mover is configured to channel the fluid from the suction pipeline and across at least one of the motor and the compressor. Temperature control system includes a distribution header coupled to the housing and in flow communication with the fluid mover, the distribution header includes a first outlet coupled in flow communication to the motor to channel the fluid across the motor. | 11-28-2013 |
20130323096 | DIAGONAL FAN - A diagonal ventilating fan ( | 12-05-2013 |
20140127050 | ELECTRICAL MOTOR AND TURBO COMPRESSOR - An electrical motor includes a motor case, a rotor that is housed in the motor case and rotatable about a rotor shaft, a stator that is provided around the rotor in the motor case and configured by winding a stator coil around a stator core, and a first spray nozzle that is provided in the motor case for spraying liquid coolant toward an inner circumferential surface of the motor case. The stator coil has a first coil end protruded from the stator core along a direction of the rotor shaft. The first spray nozzle is configured to spread the coolant as mist by splashing the coolant on the inner circumferential surface to make the spread mist over the first coil end. The first coil end can be cooled sufficiently by vaporization heats of the mist coolant that is fallen over it. | 05-08-2014 |
20140314589 | HERMETIC RECIPROCATING COMPRESSOR - Disclosed herein is a compressor in which oil retained in a hermetic case may be raised through an inner circumferential surface of a rotating shaft. The rotating shaft is provided with a hollow portion, and a fixation shaft with a spiral wing is inserted into the hollow portion to raise oil. Also, a spiral groove is formed on an outer circumferential surface of the rotating shaft to cause the raised oil to descend and lubricate the outer circumferential surface of the rotating shaft, and the hollow portion and the spiral groove are connected to each other via a guide passage. | 10-23-2014 |
20150023817 | CANNED-MOTOR PUMP FOR VEHICLE - A canned motor pump that includes a pipe-shaped can part which accommodates a rotor, a plurality of supports protruding radially outward from sides of the can part, and a plurality of the split cores each of which is inserted inside a corresponding support of the supports. Each distal end of the split cores extends in a direction toward a corresponding insulator part. A plurality of insulator parts are respectively formed on distal ends of the supports. An annular outer ring surrounds the outer circumference of the insulator parts. The inner circumference of the outer ring adjoins to exposed outermost ends of the split cores. Coils then are wound on the supports to provide a can motor pump with fewer parts and better performance. | 01-22-2015 |
20160032931 | COOLING UNIT OF AIR COMPRESSOR FOR FUEL CELL VEHICLE - An air compressor for a fuel cell vehicle includes a volute housing, an impeller mounted to the volute housing, and a motor driving the impeller and cooling the motor and bearings that support a rotation shaft of the motor using air at an outlet side of the impeller. The air compressor has a cooling unit including: a coolant channel provided in plural along a radial direction in a motor housing that is coupled to the volute housing and through which a coolant flows; and a cooled air channel formed between coolant channels of the motor housing and through which the air flows. | 02-04-2016 |
20180023580 | BLOWER MOTOR UNIT FOR AIR CONDITIONER | 01-25-2018 |
417369000 | Pump fluid directed to motor via downstream branched flow path | 6 |
20110189033 | CENTRIFUGAL BLOWER ASSEMBLY - A motor housing includes a motor support portion defining a central axis and including a first end and a second end, a wall surrounding the motor support portion, a surface offset from the wall toward the second end in a direction parallel with the central axis, a cooling air passageway oriented generally parallel with the central axis and offset from the central axis, and an inlet, opening directly into the cooling air passageway, at least partially defined between the wall and the surface. The inlet is configured to permit entry of a tangential airflow into the cooling air passageway, and the inlet is configured to permit entry of a radial airflow into the cooling air passageway. | 08-04-2011 |
20120171058 | Apparatus for the regulated supply of a gas, in particular an assisted breathing apparatus - An apparatus for supplying gas, includes a ventilator having a motor, a rotor having vanes and a volute, a conduit for cooling the motor, and a soundproofing housing containing the ventilator and the conduit. The conduit has a shape similar to the wall of the motor and the volute, thus providing a flow path around the motor and the volute. The conduit also includes two housing portions, one of which includes a set of walls, forming a portion of the soundproofing housing and the conduit, and the other also includes a set of walls, forming the matching portion of the soundproofing housing and the conduit. The portions of the soundproofing housing and the conduit on the same portion of the housing are integral with one another, the two portions being suitable for being assembled together around the ventilator such as jointly to form the conduit and the soundproofing housing. | 07-05-2012 |
20130022479 | Axial Fan With Additional Flow Channel - An axial fan, having an inner electric motor and a fan wheel connected to the electric motor so as to rotate with it and has a plurality of wheel blades defining a blade length and extend outwardly from the electric motor. A fan housing surrounds the fan wheel. The fan housing is connected to the motor via holding struts which extend to the outside from the motor to the fan housing. A motor housing is provided on the motor behind the fan wheel and accommodates a motor electronics system. A flow duct having an inflow opening and an outflow opening is fastened to the motor behind the fan wheel such that the inflow opening is arranged offset to the outside with respect to the outflow opening. The outflow opening is oriented in such a way that an air flow which exits the outlet opening is guided onto the motor housing. | 01-24-2013 |
20130058804 | Turbo Compressor and Compressor System Comprising Such a Turbo Compressor - In order to improve a turbo compressor for air, comprising a compressor housing and an impeller arranged in the compressor housing as well as a drive motor with a stator and a rotor, on the rotor shaft of which the impeller is seated, in such a manner that the drive motor is cooled in an optimum manner it is suggested that the drive motor be cooled with a flow of cooling air by way of a closed cooling air circuit and the flow of cooling air in the cooling air circuit flow through at least one cooling bore which penetrates a section of the rotor shaft. | 03-07-2013 |
20160102677 | ELECTRIC SUPERCHARGING DEVICE AND MULTI-STAGE SUPERCHARGING SYSTEM - It is intended to provide: an electric supercharging apparatus wherein, with a simple structure, rotor windage loss in an electric motor for driving a compressor is reduced and good cooling performance is produced; and a multi-stage supercharging system using the electric supercharging device. This electric supercharging apparatus is provided with: a first cooling passage formed in a stator along a motor coil and communicating a gas supply port with a gas discharge port in a motor housing; and a first intake passage connecting the gas discharge port to an intake port of a compressor. This electric supercharging apparatus is configured to introduce outside air into the first cooling passage via the gas supply port by applying negative pressure to the first cooling passage via the first intake passage, thereby cooling the inside of the motor housing. | 04-14-2016 |
417370000 | Recirculated through pump | 1 |
20140003974 | MOTOR-DRIVEN COMPRESSOR | 01-02-2014 |
417371000 | Pump fluid flows serially from motor through pump | 8 |
20090142204 | AXIAL FLOW FAN - In an axial fan including a motor, a substrate that connects the ends of a plurality of coils is disposed at a position axially under the bottom portion of a case with an axial gap therebetween. A spacer is interposed between the substrate and the bottom portion, and the substrate is fixed to the spacer. A plurality of through holes provided in the bottom portion are disposed in axial alignment with a plurality of through holes provided in the spacer. An air flow produced by rotation of an impeller at least partially passes through the interior of the case to be discharged to the outside of the case through the through holes in the bottom portion and in the spacer so that heat generated inside the motor can be efficiently transferred to the outside of the case. | 06-04-2009 |
20100028173 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - It is an object to provide an inverter-integrated electric compressor capable of enhancing the cooling of high-voltage components, which generate a large amount of heat, among components of an inverter device disposed inside an inverter box integrated with a housing. An inverter-integrated electric compressor ( | 02-04-2010 |
20100054969 | APPARATUS FOR DELIVERING A REGULATED SUPPLY OF A GAS, PARTICULARLY RESPIRATORY ASSISTANCE APPARATUS - An apparatus ( | 03-04-2010 |
20120034111 | Motor pump unit - A motor pump unit for a high-pressure cleaning apparatus has an electric motor and a pump. The electric motor has a motor housing that is surrounded by a cooling housing with an annular space having an annular space inlet and an annular space outlet formed therebetween. The pump has a suction inlet connected to the annular space outlet and a pressure outlet. The liquid to be transported by the pump can be supplied to the annular space inlet. In order to improve the motor pump unit such that the motor housing can have a small wall thickness and can still be cooled effectively over a large surface area, the motor housing is configured as a one-piece deep-drawn part which in a front shell area contacts stator laminations of the electric motor and in a rear shell area is arranged at a distance from rear coil heads of the stator and in the rear shell area has stiffness-enhancing depressions, wherein the front and the rear shell areas are surrounded by the annular space. | 02-09-2012 |
20120195772 | MOTOR PUMP UNIT - A motor pump unit for a high-pressure cleaning apparatus has an electric motor and a pump. The electric motor has a motor housing that is surrounded by a cooling housing with an annular space having an annular space inlet and an annular space outlet formed therebetween. The pump has a drive housing on which is supported the motor shaft, and has a suction inlet and a pressure outlet. The annular space outlet is fluidly connected to the suction inlet and liquid to be pressurized by the pump is suppliable to the annular space inlet. In order to improve the motor pump unit such that the heat load on the drive housing can be reduced, the drive housing has at least one cooling passage which is arranged upstream of the suction inlet and through which the liquid to be pressurized can flow. | 08-02-2012 |
20130028759 | DIAGONAL VENTILATING FAN - A self-cooling diagonal ventilating fan ( | 01-31-2013 |
20140072460 | SHIP - The invention concerns a ship comprising at least one electric motor for driving a ship and a cooling device for cooling the at least one electric motor by means at least one coolant. It is further according to the invention that the cooling device has a heat exchanger adapted to cool the at least one coolant by means of sea water. | 03-13-2014 |
20140134014 | MOTOR-DRIVEN COMPRESSOR - A motor-driven compressor includes a compression unit, an electric motor, a motor drive circuit, a housing, and a first end plate. The electric motor includes a rotation shaft, a rotor provided with a rotor core, and a stator. The stator includes a state core and a coil. The coil includes first and second coil ends. The rotor core includes a refrigerant passage having a first opening that opens in the compression unit side. The first opening includes a first radially outer region. First and second regions in the housing are in communication through the refrigerant passage. The first end plate includes a first communication port arranged on a first region side end of the rotor core. The first region and the refrigerant passage are in communication through the first opening and first communication port. The first radially outer region is covered by the first end plate. | 05-15-2014 |