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8141383 |
Engine-machine and expander heat exchanger unit
A heat exchanger unit is disclosed, the heat exchanger unit including a first tube element unit, a second tube element unit, and an engine machine apparatus having an expansion step unit and a...
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8109105 |
Refrigerating air conditioning system, method of controlling operation of refrigerating air conditioning system, and method of controlling amount of refrigerant in refrigerating air conditioning system
In a refrigerating air conditioning system using refrigerant such as CO2 used in a supercritical area, a highly efficient refrigerating air conditioning system is provided by adjusting the amount...
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8020402 |
Flash tank design and control for heat pumps
A heat pump system of the type which re-circulates refrigerant through a fluid circuit between a first heat exchanger and a second heat exchanger includes a compressor coupled to the fluid circuit...
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8006504 |
Air conditioning system
It is possible to prevent that a liquid refrigerant is included in a refrigerant injected into a compressor. Accordingly, the risk of liquid compression of the compressor is greatly reduced,...
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7958738 |
Direct expansion ammonia refrigeration system and a method of direct expansion ammonia refrigeration
A direct expansion ammonia refrigeration system and a method of direct expansion ammonia refrigeration is described and which includes a source of liquid ammonia refrigerant which is delivered in...
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7942019 |
Ejector pump in device for cooling/heating systems
The present invention concerns a cooling or heating system including at least a compressor (10), a coolant tank/accumulator (4), a condenser (11), an inspection glass device with ejector pump (1,...
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7938173 |
Heat exchanger and refrigerant passage portion connecting structure for refrigeration cycle
Fixed to the peripheral wall of a header 2 of a unit-type heat exchanger 1 is a receiver connecting block 6 having channels 31, 32 for causing the interior of the header 2 to communicate with the...
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7913507 |
Electronic equipment cooling system
An electronic equipment cooling system of the invention comprises: a heat receiver; a closed refrigerant circulation path (including: the heat receiver; a refrigerant condenser; a refrigerant pump;...
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7895852 |
System and method for controlling an economizer circuit
A control algorithm for controlling an economizer circuit in a chiller system is provided. The control algorithm opens and closes a port valve in the economizer circuit in response to predetermined...
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7891211 |
Cold storage tank unit and refrigeration cycle apparatus using the same
A cold storage tank unit for a refrigeration cycle apparatus includes a cold storage heat exchanger having plural tubes and a pair of first and second tanks connected to longitudinal ends of the...
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7870758 |
Ejector cycle
In an ejector cycle with an ejector including a nozzle for decompressing refrigerant, a control unit controls an air blowing amount of an evaporator fan so that a flow speed of refrigerant flowing...
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7854132 |
Circulation cooling system of cryogenic cable
The present invention provides a circulation cooling system of a cryogenic cable in which a reserver unit can be made smaller and a conventional adjustment mechanism or adjustment task of the...
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7845190 |
Transcritical refrigeration cycle
A transcritical vapour compression refrigeration apparatus including: a compressor, a gas cooler, an economiser, an evaporator and a refrigerant; the refrigerant being compressed in the compressor,...
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7836725 |
Condenser for an air conditioner
In a condenser for an air conditioning system, in particular for motor vehicles, comprising a condensing section (1b) and a supercooling section (1c) which is arranged above the condensing section,...
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7832230 |
Condenser for an air-conditioning system, particularly for a motor vehicle
The invention relates to a condenser for an air-conditioning system, particularly for a motor vehicle, with vertically arranged tubes, through which a coolant can flow and which are connected to an...
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7832231 |
Multichannel evaporator with flow separating manifold
Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and heat exchangers are provided which include tube and manifold configurations designed to promote separation of vapor...
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7823413 |
Distributed condensing units
A system includes an evaporator unit, a first condensing unit and a second condensing unit. The first condensing unit includes a first heat exchanger coil, a first compressor, and a first oil...
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7814761 |
Air conditioner
An air conditioner according to the present invention prevents freezing of an outdoor heat exchanger in heating operation. A refrigeration cycle is formed by sequentially connecting a compressor 1,...
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7788945 |
Air conditioner, heat source unit, and air conditioner updating method
An air conditioner is configured by appropriating existing refrigerant pipes of an existing air conditioner to update indoor units and an outdoor unit of a refrigerant circuit of the existing air...
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7757514 |
Ejector-type refrigerant cycle device
An ejector-type refrigerant cycle device includes: a first evaporator 15 that evaporates refrigerant flowing out of an ejector 14; a branch passage 17 that branches a flow of refrigerant between a...
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7712330 |
Receiver dryer and receiver dryer integrated condenser
A receiver dryer for storing and drying a refrigerant for an air conditioner is integrally fixed to a condenser to form an assembly. A condenser has refrigerant flow passages, and also has an...
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7694528 |
Heat exchanging apparatus
In a heat exchanging apparatus for a vapor compression refrigerant cycle, an internal heat exchanger is attached to an end of a radiator. The internal heat exchanger is arranged such that...
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7669437 |
Heat exchanger module
A heat exchanger module includes a condenser for condensing a refrigerant, a modulator, a sub-cooler for cooling liquid refrigerant supplied from the modulator, and a heat exchanger for cooling a...
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7644593 |
CO2 refrigeration circuit with sub-cooling of the liquid refrigerant against the receiver flash gas and method for operating the same
CO2 refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, comprising in flow direction a heat-rejecting heat exchanger (4), a receiver (10) having a liquid...
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7591148 |
Vehicular heat exchanger module
A heat exchanger module includes a condenser for condensing a refrigerant, a modulator, a sub-cooler for cooling liquid refrigerant supplied from the modulator, and a heat exchanger for cooling a...
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7591145 |
Heat pump/direct expansion heat pump heating, cooling, and dehumidification system
A heat pump heat pump system, operating with an R-410A refrigerant, comprised of at least one of an air source heat pump system, a water source heat pump system, and a direct expansion heat pump...
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7506518 |
Refrigeration device and method for detecting refrigerant amount of refrigeration device
In a refrigeration device including a refrigeration circuit having a compressor and a receiver, the present invention will improve the ability of a liquid level detection circuit to accurately...
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7481067 |
Freezer
A refrigerant circuit R includes, a compressor 25 for compressing a refrigerant to a pressure higher than the critical pressure, a gas cooler 26, a motor-operated expansion valve 27, and an...
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7465314 |
Desiccant cartridge
A desiccant cartridge for use with a receiver/dryer of an automobile air-conditioning system. The desiccant cartridge contains a cup member and a cap member. The cap member includes a plurality of...
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7428825 |
Manifold for cooling agent, heat exchanger, cooling agent closed circuit and method for producing a manifold
The invention relates to a manifold for a cooling agent of an air conditioning plant which comprises a separation form-closed element fixed inside a manifold housing, a heat exchanger provided with...
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7377118 |
Refrigerant tracking/leak detection system and method
A refrigeration system includes a heat exchanger that is operable to cool a flow of compressed refrigerant and a first sensor coupled to the heat exchanger and operable to generate a first signal...
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7353659 |
System and method for controlling an economizer circuit
A control algorithm for controlling an economizer circuit in a chiller system is provided. The control algorithm opens and closes a port valve in the economizer circuit in response to predetermined...
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7334429 |
Refrigerant condenser for motor vehicle air-conditioning systems
The invention relates to a cooling agent condenser (1) which comprises a finned tube block (2), collecting tubes (5) arranged on both sides thereof and a manifold (6) which is disposed in a...
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7331189 |
Cooling device
In a cooling system having a compressor for supplying refrigerant under pressure, a condenser for condensing the refrigerant supplied from the compressor, a liquid receiver arranged to temporarily...
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7322210 |
Receiver drier with relief valve
The invention provides a relief valve for discharging refrigerant in a receiver drier equipped to an air conditioner of a car. A receiver drier 1 of an air conditioner of a car has an inlet path 44...
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7287581 |
Full function vehicle HVAC/PTC thermal system
The integrated automotive HVAC/PTC system of the present invention includes a bi-fluidic heat exchanger between an air conditioning subsystem and a heating subsystem which enables heat extracted...
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7284594 |
Cooling system used for hybrid-powered automobile
A radiator 9 for electric parts use, which cools an inverter and others relating to the control of an electric motor, and a condenser 12 for condensing refrigerant are arranged in parallel with...
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7275390 |
Desiccant cartridge for an integrated condenser/receiver and method of making same
In accordance with one preferred embodiment, a desiccant cartridge (30) for insertion into an integrated condenser/receiver (10) comprises a rigid stand-off member (72) and a porous desiccant bag...
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7249468 |
Air conditioning system
An air conditioning system has a compressor for compressing a liquid refrigerant to form a high pressure vapor which is fed to a condenser for cooling the vapor so that it returns to liquid state...
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7237404 |
Frigorie accumulator
The frigorie accumulator comprises a housing which defines in its interior a region for holding a frigorie storage substance such as a eutectic solution, and at least one duct which extends in a...
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7237406 |
Condenser/separator and method
A condenser (10) and method for separating a fluid flow is provided. The condenser (10) maybe used for separating a cathode exhaust flow (60) into a condensed liquid (86) and a non-condensed gas...
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7213412 |
Condenser with integral receiver and capable of upflow operation
A condenser for an air conditioning system includes a receiver integrally formed with a second, or return, header which is in fluid communication with a second, or sub-cooling, group of tubes. A...
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7131293 |
Dryer integrated condenser of a refrigerating system and a method of assembling the same
In a refrigerating system, a condenser (1) includes a cooling core (2) having parallel tubes and cooling fins, two headers (3) connected to the ends of each tube and a cylindrical dryer tank (4)...
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7121114 |
Condenser
The invention relates to for a motor vehicle air conditioning installation, comprising a pipe/rib block, headers which are arranged on both sides thereof and are used to receive the ends of the...
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7093461 |
Receiver-dryer for improving refrigeration cycle efficiency
A receiver-dryer of an integrated receiver-dryer-condenser for an air-conditioning system that maximizes a liquid phase of refrigerant therein for return to a sub-cooling stage of a condenser. A...
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7069741 |
Economizer chamber for minimizing pressure pulsations
A baffle for use in a refrigerator apparatus comprises a baffle plate comprising a first and a second opposing sides attached to an inner surface of the refrigerator apparatus, a baffle seal plate...
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7043936 |
Refrigerant condenser
The invention relates to a condenser (1) comprising an integrated collector (5) which is arranged parallel to one of the collector tubes (2) and is connected to said connector tube via two overflow...
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7036336 |
Soldered condenser
The invention relates to a soldered condenser for a motor vehicle air conditioning unit, comprising a pipe/rib block, collector pipes which are arranged on both sides thereof and receive the ends...
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7024884 |
Condenser for an air conditioning system
A condenser for an air conditioning system includes a core assembly having a header tank and a receiver/dehydrator member operably connected to the core assembly for condensing a refrigerant...
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7007499 |
Condenser assembly having a mounting rib
A condenser assembly for a vehicle air conditioning system is provided. The condenser assembly includes a core including first and second ends and a plurality of tubes extending therebetween, a...
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