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WO2000060288A9 |
A heat pump using a zeotropic refrigerant includes a main circuit for a refrigeration cycle, which is connected with a closed circuit consisting of a rectification distillation apparatus, a cooling apparatus and a reservoir connected thr...
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WO/2001/081839A1 |
A two-stage pulse tube refrigerator comprises a pressure wave generator-compressor (32), first stage (16) and second stage (18) regenerators, first stage (12) and second stage (14) pulse tubes, heat exchangers (20, 22, 24, 26) and a hybr...
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WO/2001/079766A1 |
A refrigerator, comprising a refrigerating circuit (10) formed by connecting a compressor (11), a four-way valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) in that order through gas s...
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WO/2001/079768A1 |
This invention provides a gaseous wave refrigeration device (GWRD) primarily comprising an adjustable nozzle (5), an adjustable oscillating chamber (8), a bundle of resonant tubes (14), a flow regulator (9), wave impedors (12), and a chi...
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WO/2001/079767A1 |
A refrigerator, comprising a refrigerating circuit (10) formed by connecting a compressor (11), a four-way valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) in that order through gas s...
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WO/2001/073933A1 |
A low-cost converter is provided using a substrate of smaller size. A diode bridge circuit (4) includes four diodes (4a-4d). A shunt resistor (6) is connected between the diode bridge circuit (4) and a negative output. A semiconductor sw...
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WO/2001/070092A2 |
A facial mask (10) comprises a mask body (12) that is adapted to be coupled to a patient\'s face. A valve system (24) is coupled to the mask body to permit the inflow of respiratory gasses into the mask body and to permit the outflow of ...
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WO/2001/068393A1 |
An air conditioning unit, in particular for motor vehicles, comprises a refrigeration cycle, in particular with carbon dioxide as refrigerant, wherein among the elements of the refrigerant circulation system are at least one compressor (...
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WO/2001/069149A1 |
The invention relates to a natural gas liquefaction process and particularly to one suited to use offshore. The invention provides a natural gas liquefaction apparatus wherein a carbon dioxide based pre-cooling circuit is provided in a c...
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WO/2001/067011A1 |
An improved refrigeration system (10) utilizing one or more vortex tubes (20, 21, 29, 31). Vortex tubes (20, 21, 29, 31) produce liquid refrigerant from saturated-state vapor refrigerant in a vapor-compression refrigeration cycle. The ef...
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WO/2001/063185A1 |
A refrigerating cycle including a compressor, a radiator, an expander, an evaporator, and an internal heat exchanger for heat exchange between a refrigerant flowing out of the evaporator and the refrigerant in the supercritical zone, the...
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WO/2001/063738A2 |
These disclosed energy conversion devices (500) include one or more transducers (510) that use electroactive polymer films to convert thermally generated mechanical energy to electrical energy. The generators may include one or more tran...
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WO/2001/061256A1 |
A GM type displacer (14) has an elastomer 'O' ring (44) at the warm end to absorb impact energy when the displacer (14) reaches the bottom of the stroke before it would hit the cylinder end cap (42). When the displacer (14) reaches the t...
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WO/2001/061255A1 |
Since moisture in a freezing circuit is absorbed by using polyvinyl ether oil having water absorbability as freezer oil, an insulation film for a motor built in a compressor hardly hydrolyzes even if the compressor becomes heated to high...
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WO/2001/059375A1 |
A refrigerator, comprising an oil deterioration judging container (31) disposed between a four-way directional control valve (2) and a gas closing valve (24), whereby, because a gas refrigerant containing much refrigerating machine oil i...
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WO2001002781A9 |
A compact, modular, cryocooler (10) is provided for use in relatively small-scale applications, i.e., applications requiring less than approximately 10 Watts of cooling capacity at about 10 degrees K or less. The cryocooler (10) utilizes...
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WO/2001/051862A1 |
The invention relates to a refrigerating machine which functions periodically. Said refrigerating machine consists of a thermal power amplifier which is based on the pulse tube process and a pulse tube cooler which is connected in series...
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WO/2001/051594A1 |
A refrigerating apparatus which contains ammonia as a refrigerant and in which a lubricant excellent in compatibility with the ammonia refrigerant and in lubricity and stability is used. The ammonia refrigerating apparatus employs a refr...
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WO/2001/051863A1 |
A cryogenic cooling system (10) is configured to control the flow of a heat transfer fluid through a remote thermal load (17), such as a superconducting magnet or rotor. The cryogenic cooling system (10) includes a refrigerator (12) incl...
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WO/2001/051861A1 |
A heat engine, comprising an engine having a displacement-variable first and second spaces, a heating device having a third space for hot heat source connected to the first and second spaces, a cooling device having a fourth space for co...
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WO/2001/049515A1 |
A car air conditioner having a high COP, low GWP, and high reliability, wherein a simple refrigerant R32 is charged into a refrigerant circuit 1 of the car air conditioner, the simple refrigerant R32 being high in COP and low in GWP but ...
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WO/2001/048125A1 |
A hydraulic fluid which is less apt to clog a vacuum mechanism even when an HFC refrigerant is used; and a refrigerating apparatus. A refrigerating circuit (1) is filled with the hydraulic fluid comprising an HFC refrigerant comprising a...
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WO/2001/048124A1 |
A hydraulic fluid which is less apt to clog a vacuum mechanism even when an HFC refrigerant is used; and a refrigerating apparatus. A refrigerating circuit (1) is filled with the hydraulic fluid comprising an HFC refrigerant comprising a...
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WO/2001/048126A1 |
A hydraulic medium is used which comprises a combination of an R32 refrigerant or a mixed refrigerant comprising at least 70 wt. % R32 with a polyvinyl ether oil having a viscosity at 40°C of 46 to 82 cSt. The refrigerating apparatus em...
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WO/2001/048424A2 |
The cold air refrigerating system comprises a compressor (1), a dual-chamber heat exchanger (2), a turboexpander (6) and a refrigerating chamber (3), with a fan (5) and air cooler (4) installed therein. The fan (7) is mounted on the same...
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WO/2001/048428A1 |
An energy-saving type refrigerating device capable of preventing global warming, allowing the size of a heat exchanger to be reduced more than before while a performance coefficient COP higher than before is obtained using, as a refriger...
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WO/2001/048427A1 |
An energy-saving type refrigerating device capable of preventing global warming, allowing a communication pipe diameter to be reduced and the number of types of the communication pipe diameters to be reduced while a COP of over the COP o...
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WO/2001/046627A1 |
A stirling refrigerating machine, comprising a regenerator provided in a flow path for a working medium reciprocating between an expansion space and a compression space formed in a cylinder, wherein a flow straightener making uniform the...
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WO/2001/044735A1 |
This invention relates to process for liquefying a pressurized gas stream rich in methane. In a first step of the process, a first fraction (13) of a pressurized feed stream, preferably at a pressure above 11,000 kPa, is withdrawn and en...
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WO/2001/044047A1 |
A two spool environmental control system includes a low pressure spool subsystem (38) comprising a low pressure turbine (28) and a condenser (19) downstream of the low pressure turbine. A high pressure spool subsystem (39) is in air flow...
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WO/2001/042035A1 |
The invention relates to a motor vehicle air-conditioning system, comprising a coolant circuit, in which the coolant is converted into a wet steam state. The coolant circuit contains among others at least a compressor (37) and a dynamic ...
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WO/2001/042724A1 |
A refrigerating method and system using compressed, filtered, dehumidified, turbo expanded and re-circulated air for the enclosed refrigerated environment. Compressed air passes via a series of moisture-removal devices (12, 24, 32), dust...
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WO/2001/040724A1 |
In the application of a heat exchanger (1) to domestic-type refrigerators, water containing additives or any other fluid flows through the channels in series or in parallel, depending on the capacity of the system, and is collected by a ...
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WO/2001/040397A2 |
Refrigerants containing R-22 are replaced with new blends by using R-125, or R-125 with R-124, or R-218, or R-218 with R-124, in place of R-22. No hardware or oil composition changes are required to maintain temperatures, pressures and c...
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WO/2001/038801A1 |
A refrigerating device provided with a refrigerating circuit (12) for effecting a steam compression type refrigerating cycle by means of a non-azeotropic mixed refrigerant, wherein a storage unit (43) for allowing a liquid refrigerant to...
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WO/2001/038117A1 |
The invention relates to a method for operating a refrigeration system, in particular an air-conditioning system for motor vehicles, according to which a pressure tube compressor (12) is provided as the compressor. This prevents pulsing ...
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WO/2001/035034A1 |
The invention relates to a cryogenic cooling device comprising a first pulse tube cooler. Said pulse tube cooler is equipped with a first pulse tube (20), which has a first cold head (24) for providing a first cooling area with a first t...
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WO/2001/029491A1 |
A method and apparatus for transferring heat to or from a medium wherein a gas, such as air, is delivered to a vortex generator (12) for the generation of a stream of hot and a stream of cold air and the hot or cold air stream is transpo...
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WO/2001/029489A1 |
A refrigerating device, comprising a refrigerating circuit having a compressor (1), an indoor heat exchanger (3), a main motor-driven valve (EV1), and an indoor heat exchanger (5) connected annularly to each other, wherein an R32 refrige...
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WO/2001/029490A1 |
A refrigerating device, comprising a refrigerating circuit having a compressor (23), a condenser (22), expansion means (26), and an evaporator (2), wherein a refrigerating cycle is performed by circulating R32 as a refrigerant, the filli...
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WO/2001/028072A1 |
A compressor, wherein a brushless DC motor (2) and a compressor main body (3) are provided coaxially with each other inside a closed casing (1), and R32 single refrigerant or R32 rich mixed refrigerant is adopted as a refrigerant sucked,...
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WO/2001/027543A1 |
An expansion device (5) in a refrigerating cycle having a characteristic for reducing a variation in opening area relative to a pressure fluctuation in a high pressure space at the beginning of lifting of a valve disc from a position whe...
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WO/2001/025702A1 |
There is disclosed a novel apparatus for use as a beverage container glass door merchandiser. The apparatus includes an insulated enclosure, the enclosure having an outside and an inside and at least partially defining a drain (84) from ...
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WO/2001/025699A1 |
A refrigerating cycle capable of sealing most portions on a high pressure side at a low load so as to increase a responsiveness to a high pressure, wherein the volume of an evaporator is set larger than that of a high pressure line so as...
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WO/2001/023494A1 |
A refrigerant composition which has no fear of causing ozonosphere depletion and which can be used as a substitute in a conventional refrigerating circuit and enable the performance thereof to be maintained without the need of modifying ...
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WO/2001/022012A1 |
The invention relates to an air conditioning unit with a coolant circuit which consists of a compressor, an evaporator, a collector located at the low pressure side between the evaporator and the compressor and an inner heat transfer uni...
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WO/2001/021958A1 |
The invention provides a screw compressor with increased efficiency at part load and a refrigerator capable of increasing the performance of an economizer circuit in a part load region. An inverter (22) controls the rotational speed of a...
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WO/2001/020233A1 |
A cryocooler with a regenerator comprising one or more regenerator components, which are ductile and oxidation resistant, including a rare earth metal, an alloy of two or more rare earth metals, an alloy of a rare earth metal with a non-...
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WO/2001/018473A1 |
A method of forming a heat exchanger apparatus (10) on a housing wall (42). The heat exchanger (10) includes inner (32) and outer (34) annular rings having heat radiating, high surface area fins (37, 47) attached on oppositely facing sur...
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WO/2001/018465A1 |
A refrigerating device, comprising a humidifying cooler (41) allowing water as refrigerant to evaporate to generate cold heat, a dehumidifier (42), a compressor (50) compressing steam separated by the dehumidifier (42), and a moisture di...
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