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Match Document Document Title
9291166 Motor cooling system  
A cooling system provided for a motor powering a compressor in a vapor compression system. The cooling system includes a housing enclosing the motor and a cavity located within the housing. A...
8959950 High capacity chiller compressor  
A high efficiency, low maintenance single stage or multi-stage centrifugal compressor assembly for large cooling installations. A cooling system provides direct, two-phase cooling of the rotor by...
8955323 Compressor  
To improve the exhaust heat recovery efficiency, a compressor includes a heat exchanger for cooling a gas, coolant, water, or oil heated by the compressor during compressor operation by heat...
8931304 Centrifugal compressor cooling path arrangement  
An example compressor arrangement includes a first compressor portion configured to compress a fluid and a second compressor portion configured to compress the fluid more than the first compressor...
8863548 Cabin air compressor motor cooling  
A cabin air compressor assembly includes a cabin air compressor disposed at a compressor inlet and a cabin air compressor motor operably connected to the cabin air compressor. At least one cooling...
8857211 Injectable two-staged rotary compressor and heat pump system  
In an injectible two-staged rotary compressor, a second suction pipe includes a heat-exchange promoting unit that promotes heat exchange between intermediary-pressure injected refrigerant and...
8806888 Air-conditioner with multi-stage compressor and phase separator  
An air conditioning system includes a phase separator separating a gaseous refrigerant and a liquid refrigerant from a flowing refrigerant, an evaporator evaporating the liquid refrigerant...
8794027 Compressor and refrigerating apparatus  
A compressor includes a casing, a screw rotor, a slide member with at least one economizer port, and a control unit controlling a position of the slide member along the axis of the screw rotor to...
8789382 Heat pump including at least two refrigerant injection flow paths into a scroll compressor  
A heat pump including at least two refrigerant injection flow paths into a scroll compressor and a main circuit. The main circuit includes a scroll compressor, a condenser, an expansion valve, a...
8528359 Economized refrigeration cycle with expander  
A refrigerant vapor compression system includes a compression device, a heat rejecting heat exchanger, an economizer heat exchanger, an expander and an evaporator disposed in a refrigerant...
8516850 Motor cooling applications  
A cooling system for a motor powering a compressor in a vapor compression system includes a housing and a cavity within the housing. A first fluid circuit has a first connection to receive a...
8465265 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...
8434323 Motor cooling applications  
A cooling system for a motor powering a compressor in a vapor compression system includes a housing enclosing the motor and a cavity located within the housing. A fluid circuit circulates a...
8424339 Method and system for rotor cooling  
A motor coolant method and system is used to cool a compressor motor (36) in a refrigeration system having a multi-stage compressor (38). The compressor includes a first compressor stage (42) and...
8397534 High capacity chiller compressor  
A high efficiency, low maintenance single stage or multi-stage centrifugal compressor assembly for large cooling installations. A cooling system provides direct, two-phase cooling of the rotor by...
8387411 Refrigeration apparatus  
An air-conditioning apparatus uses carbon dioxide as a refrigerant, and includes a two-stage-compression-type compression mechanism, a heat source-side heat exchanger, an expansion mechanism, a...
8303270 Motor-driven compressor  
A motor-driven compressor includes a housing having an inlet port, a compression mechanism for compression of refrigerant introduced from an external refrigerant circuit via the inlet port into...
8261575 Self cooling motor system  
A self cooling motor system includes an internally cooled motor assembly operationally interconnected to a heat transfer assembly. The internally cooled motor assembly includes a winding assembly...
8246318 Water-cooled air compressor  
Provided is a water-cooled air compressor which is capable of restraining lowering of the performance of a plate type compressor for heat-exchanging compressed air from a compressor body, with...
8181478 Refrigeration system  
A refrigeration system can incorporate a liquid-injection system that can provide a cooling liquid to an intermediate-pressure location of the compressor. The cooling liquid can absorb the heat of...
8156757 High capacity chiller compressor  
A high efficiency, low maintenance single stage or multi-stage centrifugal compressor assembly for large cooling installations. The assembly is highly efficient by virtue of a variable frequency...
8028540 Four terminal hermetic bushing for use with single-phase electrical service line and three-winding motor  
A three-winding induction motor supplies shaft power to an air-conditioning or refrigeration compressor, where both motor and compressor are hermetically sealed, and the wall of the hermetic...
8021127 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...
7824160 Scroll compressor and refrigerating apparatus  
A scroll back pressure chamber in a scroll compressor is composed of a space 111 filled with suction pressure (or intermediate pressure) and a space filled with discharge pressure, and the...
7775060 Drive unit for electric vehicle  
A drive unit for an electric vehicle is comprised of a motor, an inverter which supplies alternating current electric power to the motor, a speed reducer which is connected to the motor, and a...
7704056 Two-stage vapor cycle compressor  
A two-stage vapor cycle compressor includes a first stage impeller, a second stage impeller situated adjacent to the first stage impeller, an electric motor running on a pair of foil bearings, a...
7637117 Air-conditioning system  
An air-conditioning system includes a refrigeration cycle and a control unit. The refrigeration cycle includes an electric compressor in which a compression mechanism for drawing a refrigerant...
7591147 Electric motor cooling jacket resistor  
A cooling jacket resistor includes a passageway incorporated into a wall and across the entire inside length of a cooling jacket from an inside of the cooling jacket. The passageway may include at...
7451616 Refrigerating apparatus with turbo compressor  
A refrigerating apparatus, including a turbo compressor including a driving motor and a plurality of bearing members supporting a rotation axis of the driving motor; a condenser provided to...
7282875 System and method for electric motor control  
An electric motor control system includes a housing and a motor disposed within the housing. The electric motor control system also includes an actuator operatively coupled to the motor and...
7246498 Refrigerating apparatus  
A liquid injection type scroll compressor is used to a refrigerating apparatus using hydrocarbon fluoride refrigerant which does not contain chlorine (HFC-125/HFC-143a/HFC-134a) as an operating...
7207187 Inverter-integrated motor for an automotive vehicle  
A bus-bar integrated plate and outer frame section, arranged into a double-deck structure and having numerous bus bars molded with a resin molding plate portion, is provided as a wiring for...
7191605 Floating loop method for cooling integrated motors and inverters using hot liquid refrigerant  
A method for cooling vehicle components using the vehicle air conditioning system comprising the steps of: tapping the hot liquid refrigerant of said air conditioning system, flooding a heat...
7181928 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...
7082786 Scroll compressor and refrigerating system using ammonia group refrigerant  
The scroll compressor includes a scroll compression mechanism portion in combination of an orbiting scroll and a fixed scroll, a frame for supporting the compression portion, a rotary shaft fitted...
7082785 Oil separator for vapor compression system compressor  
A transcritical vapor compression system includes a compressor assembly that includes an oil separator for separating oil from refrigerant. The oil separator is disposed between a motor and a...
7028490 Water-heating dehumidifier  
A water-heating dehumidifier includes a refrigerant loop including a compressor, at least one condenser, an expansion device and an evaporator including an evaporator fan. The condenser includes a...
7021075 Electric-powered compressor  
An electric-powered compressor comprised of a compression mechanism 110 for sucking in and compressing a refrigerant and an electric motor 120 for driving the compression mechanism formed...
6981390 Refrigerant cycle system  
A refrigerant cycle system includes a first heat-exchanging portion for condensing gas refrigerant discharged from a compressor, a gas-liquid separator into which all of refrigerant after passing...
6918261 Electric compressor with a motor, an electric circuit and a protective control means therefor  
In an electric compressor integrally comprising a compression mechanism, a motor and an electric circuit (inverter) for driving the motor, the electric circuit is protected from thermal damage....
6914354 Assembly and method for direct cooling of motor end-winding  
Methods and related systems providing removal of heat from electric motors via fluid baths.
6898948 Screw compressor  
In order to provide a screw compressor comprising two screw rotors which are disposed in screw rotor bores in a compressor casing and which compress a refrigerant entering at a refrigerant inlet...
6871512 Motor-driven compressor  
A motor-driven compressor for compressing a refrigerant in an air conditioning system includes an electric motor, a swash plate-type compression unit driven by the electric motor, and a cooling...
6826926 Liquid injection for reduced discharge pressure pulsation in compressors  
A compressor for compressing refrigerant in an air conditioning or refrigeration system, including a housing having a suction port, a discharge port, and a compression chamber, a mechanism for...
6823690 Integrated electrical generator/starter and air conditioning compressor device and system and method for controlling same  
An integrated electrical generator/starter and air conditioning compressor device driven by a common drive shaft, or other direct linkage. The device includes an electrical generator/starter and a...
6769267 Multistage compressor  
Refrigerant compressed by a first stage compression elements (30) run by a motor (20) is discharged in the closed container (10) via a silencer chamber (35) to cool the motor (20) before the...
6755039 Screw refrigerating apparatus  
A screw refrigerating apparatus comprising a refrigerant circulating passage including a screw compressor, a condenser, an expansion valve, and an evaporator is constituted such that a bypass flow...
6745584 Digital scroll condensing unit controller  
A cooling system controller controls the capacity of a variable capacity compressor based upon the temperature of a housing being cooled, the suction pressure of the compressor or both of these...
6708521 Cooling of electronics in an electrically driven refrigerant system  
An electrically driven refrigeration system (10), in particular for a vehicle air conditioner, comprises a compressor (12), an electric motor (14) for driving the compressor (12), an electronic...
6701730 Refrigerating apparatus, refrigerator, air-cooled type condenser unit for refrigerating apparatus and compressor unit  
In a refrigerating apparatus using an HFC group refrigerant, the performance is improved by increasing the refrigerating capacity and a stable operation is made possible. In order to achieve this,...

Matches 1 - 50 out of 345 1 2 3 4 5 6 7 >