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WO/2001/016490A1 |
An internal intermediate pressure 2-stage compression type rotary compressor (10), which comprises an electrically-driven element (14) in a closed vessel (12), and first and second rotary compression elements (32, 34) driven by the elect...
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WO/2001/013049A2 |
The invention relates to a supraconducting device comprising a cooling unit for a rotating supraconductive coil. The supraconducting device contains a coil (36) with supraconducting material that can be rotated around a rotational axis (...
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WO/2001/009556A2 |
An air-conditioning system of a non-combustion, non-fuel and non-pollution (3N) type, using the same in which a compressed fluid such as gas is forced to pass through a throat of a converging-diverging nozzle, thereby generating vertical...
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WO/2001/006186A1 |
Direct-acting motor-driven expansion valve selection means, comprising a compressor (121), an outdoor heat exchanger (123), a direct-acting motor-driven expansion valve (Z), and an indoor heat exchanger (131), a coefficient of friction (...
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WO/2001/006182A1 |
A refrigerating cycle, comprising an inlet side passage (11) communicating an expansion device (5) with a radiator side, an outlet side passage (12) communicating with an evaporator side, a valve seat (16) provided between the inlet side...
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WO/2001/006575A1 |
The present invention relates to transducers (100), their use and fabrication. The transducers (100) convert between mechanical and electrical energy. Some transducers (100) of the present invention include a pre-strained polymer (102). ...
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WO/2001/006183A1 |
A refrigerating cycle using a refrigerant having a low critical point such as CO¿2?, wherein first and second valve discs (23, 27) making a communication state vary between an inlet side passage part (11) and an outlet side passage part...
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WO/2001/001049A1 |
A method and apparatus for using a secondary refrigerant (14) to precool and liquefy a primary refrigerant (12), then vaporizing and expanding the primary refrigerant to cool a cold tip (20) of a cryosurgical instrument for ablation of b...
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WO/2001/001048A1 |
The invention relates to a cooling device comprising the following: a first pulse tube cooler comprising a first pulse tube (20) having a warm head and a cold head (24) and a first regenerator (40) having a warm end section (44) and a co...
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WO/2001/000992A1 |
Variable-capacity control is reliably carried out without using a large pressure control valve while maintaining sufficient pressure resistance in a refrigerating cycle in which carbon dioxide is used as its coolant. A pressure sensor fo...
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WO/2000/077461A1 |
A cooling device capable of eliminating various problems such as poor economy and cool air pulsation, wherein a compressor and an expansion machine are connected to a crank shaft or crank shafts interlocked with each other, and the expan...
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WO/2000/073713A1 |
The invention relates to a method of controlling an arrangement designed for generating cold air for cooling objects that are in need of being cooled, and an arrangement for carrying out the method. The arrangement includes a compressor ...
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WO/2000/070277A1 |
The invention relates to a refrigerant collector (1) for an air conditioning system in a vehicle. Said collector (1) consists of upper and lower shells (5, 6) which are connected to each other by means of a welding (7).
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WO/2000/068621A1 |
A refrigerating cycle using carbon dioxide as a refrigerant, wherein, when a high-pressure side refrigerant pressure is near a critical point, the degree of undercooling is set at approx. 15°C and, as it lowers from near the critical po...
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WO/2000/066953A1 |
A refrigerating device, wherein a cycle circuit (20) comprises an expansion device (22), a heat exchanger (30), and a compressor (21) connected in order to each other, a dehumidifying mechanism (60) is provided so as to dehumidify heat-a...
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WO/2000/060022A1 |
An optimum gas mixture formulated from a group of component fluids, for use in a miniature mixed gas refrigeration system. The gas mixture has appropriate components, in appropriate concentrations, to optimize refrigeration power and hea...
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WO/2000/060021A1 |
In a refrigerant compression type refrigerating system for use in the field of refrigerating/air conditioning employing a hydrocarbon refrigerant containing an odorant, the concentration of the odorant at the time of refrigerant leakage ...
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WO/2000/055550A1 |
A primary system (20), comprising a compressor (21), a vapor separator (55), a heat exchanger (30), and an expansion device (22) connected in order to each other, wherein inside air is taken in as a primary air and exhausted to the outdo...
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WO/2000/053982A1 |
A primary system (20), comprising a compressor (21), a heat exchanger (30), and an expansion device (22) connected in order to each other, wherein outside air is taken in through a primary inlet duct (23) and supplied from a primary outl...
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WO/2000/052398A1 |
A refrigerating circuit (10), comprising a compressor (11), a four-way switching valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) connected in order to each other, wherein an R32 is f...
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WO/2000/052397A1 |
A refrigerating circuit (10), comprising a compressor (11), a four-way switching valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) connected in order to each other through gas side pip...
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WO/2000/052396A1 |
A refrigerating device, wherein a compressor (11), a four-way switching valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) are connected in order through gas side pipes (31) and liquid ...
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WO/2000/050822A1 |
A novel heat pump system capable of carrying out a cooling (refrigerating) operation or a heating (room heating) operation with ammonia and carbon dioxide, natural media, utilized in a combined state. The heat pump system (1) comprises a...
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WO2000013296A9 |
A system (10) for cooling a superconductor device includes a cryocooler (12) located in a stationary reference frame and a closed circulation system (11) external to the cryocooler (12). The closed circulation system (11) interfaces the ...
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WO/2000/046495A1 |
The invention relates to a heating and refrigerating machine, especially a Vuilleumier heat pump or a Stirling engine, in which a gas-air mixture is combusted in a combustion chamber and the exhaust gas radiates thermal energy to the hea...
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WO/2000/046558A1 |
The invention relates to an integrated collector-heat transfer unit, comprising a collector housing (1) in which a collector chamber (2) and a heat transfer unit having two separate heat transfer channels (5, 6) are located, said channel...
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WO/2000/046556A1 |
A combination refrigerator and current lead assembly includes a pulse tube (16) having a cold end and a warm end. A first eletrical connector (40a) is attached to the warm end. A second electrical connector (42a) attached to the pulse tu...
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WO/2000/045053A1 |
A compressor or expansion device (1) for use with compressive fluid and comprising a flexible hose (8) connected between a pair of ports (5A, 5B) and against which a pair of spaced apart, adjacent contact elements bear whereby a portion ...
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WO/2000/043639A1 |
A traveling-wave device is provided with the conventional moving pistons eliminated. Acoustic energy circulates in a direction through a fluid within a torus (30). A side branch may be connected to the torus for transferring acoustic ene...
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WO/2000/039511A1 |
The present invention relates to the techniques for processing natural gas and is intended for heating expanding natural gas without any artificial heating and using the heat from the surrounding medium. This invention is characterised i...
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WO/2000/037863A1 |
An improved HTSC filter system (10) comprises a cryocooler and dewar assembly (22), a heat dissipation assembly (14) and at least one heat pipe (28) providing a thermal coupling between said heat dissipation assembly (14) and said cryoco...
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WO/2000/035362A2 |
A cryogen supply unit is disclosed for controlling the flow of a Joule-Thompson fluid through a cryosurgical instrument. The supply unit includes a fluid flow path manifold block (16) formed as an assembly of three sub-units (16a, 16b, 1...
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WO/2000/036346A1 |
A compressor (21), a heat exchanger (30), a water remover (22), and an expander (23) are arranged in the order mentioned to constitute a heat source-associated system (20). The compressor (21) draws outdoor air and ventilation exhaust ai...
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WO/2000/036345A1 |
A compressor (21), a heat exchanger (30), a water remover (22), and an expander (23) are arranged in the order mentioned to constitute a cycle-associated system (20). The compressor (21) draws indoor air and ventilation feed air and comp...
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WO/2000/034721A1 |
An automatic ice maker (200) for saving an ice making time. The automatic ice maker has a U-shaped resonator (210) filled up with an inertia gas, a pair of ice trays (240, 250) attached to both ends of the U-shaped resonator in a reverse...
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WO/2000/031479A1 |
An expansion device having an integrally incorporated mechanism that can prevent an abnormal rise in a high pressure of a refrigeration cycle and can also deal with abnormal increases in the high pressure and a low pressure. A displaceme...
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WO/2000/029793A1 |
The invention relates to a piston compressor, comprising a compressor and an expansion part whose pistons are connected by a common driving unit. This enables the energy that is liberated when a coolant expands to be used for its compres...
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WO/2000/026899A2 |
Physical effects produced within RMS resonators are utilized as a means to process materials within the resonator including for example one or more of comminution, converting liquids into vapors and gases, drying of powders, rapid mixing...
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WO/2000/025060A1 |
A process is disclosed for conveying gas stream rich in methane, such as natural gas. In the first step of the process, gas is supplied to a pipeline (47) at an entry pressure that is substantially higher than the output pressure of the ...
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WO/2000/025061A1 |
A process is disclosed for reliquefying boil-off gas produced by pressurized liquid natural gas. In this process, refrigeration duty is provided to a heat exchanger (51) by means of a refrigeration cycle (50). Pressurized natural gas (10...
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WO/2000/023752A1 |
A refrigerating cycle wherein the pressure of a high pressure line (8) is lowered when the pressure is abnormally high by transmitting the high pressure to the low pressure line (9) without releasing the coolant to the atmosphere, and th...
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WO/2000/020807A2 |
The invention relates to a multichannel flat tube for a heat exchanger comprising a plurality of parallel flow channels (2) which are adjacent to one another in a transversal direction with regard to the tube. According to the invention,...
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WO/2000/020808A1 |
A refrigerating cycle comprising first safety means for leaking a high pressure to a low pressure side when the high pressure is higher than a first predetermined pressure, second safety means for releasing the high pressure to the atmos...
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WO/2000/020238A2 |
The invention relates to a regulating device for a coolant circuit of an air conditioning system. Said coolant circuit is divided into a high pressure side and a low pressure side by a compressor and an expansion element. The regulating ...
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WO/2000/019064A1 |
The present invention is an electroacoustic cooling engine (1) comprising a resonator pressure vessel (40) for containing a compressible fluid, a double acting flexural disk (11) centrally located in the resonant pressure vessel (40), an...
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WO/2000/012333A1 |
The invention relates to a device for dissipating heat in a motor vehicle. A component (16) releases heat loss during operation. A cooling circuit (11) which is flown through by a coolant carries the heat loss of the component (16) away....
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WO/2000/008394A1 |
A method for determining the composition of a ternary refrigerant in a refrigeration system. The method calculates the composition of the ternary refrigerant under the assumption that the expansion cycle is isenthalpic and that the ratio...
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WO/2000/008536A1 |
The invention relates to an automatic tripping cryo-heat flow switch which is especially used in cooling systems in which a redundancy operation is required. The aim of the invention is to produce an automatic tripping cryo-heat flow swi...
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WO/2000/006955A2 |
Novel vapor compression evaporative cooling systems which use water as a refrigerant are provided, as are methods for using same. Also provided are novel compressors, compressor components, and means for removing noncondensibles useful i...
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WO/2000/004287A1 |
A displacement generator (10) has a housing (12) defining a chamber (14) containing an incompressible liquid (15). A port (22) of the housing (12) is closed by a movable member (24). Within the chamber (14), opposing, convex, flexible wa...
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