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WO/2002/063221 |
A system for providing refrigeration to a heat load, especially over a larger temperature range and at a cryogenic temperature, wherein pulse tube refrigeration (40) cools a heat transfer medium (5) to provide higher level refrigeration ...
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WO/2002/063220 |
The invention relates to a cold piece of a cryogenic cooler, in particular, for cooling electronic components. It is necessary to minimise the thermal resistance between the cooling medium (11) and the external wall surface on the front ...
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WO/2002/061349 |
The present invention relates to a new application within a close circuit refrigeration system of coalescent/depth filters (14, 24, 34) to provide the almost total removal of liquid refrigerants from a refrigeration gas stream. The liqui...
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WO/2002/059535 |
An industrial gas liquefaction cycle employing a main refrigeration circuit to supply low level refrigeration to the industrial gas (1, 2, 3, 4), and a forecooling circuit employing an azeotropic mixture (15, 50) to provide high level re...
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WO/2002/057693 |
A densifier (10) for simultaneously densifying two cryogenic liquids at different temperatures is provided. The densifier (10) has a thermoacoustic heat engine (20), a resonance tube (18) and a two stage pulse tube refrigerator (40). The...
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WO/2002/057695 |
A refrigerating cycle using a refrigerant with low critical point such as carbon dioxide, comprising a relief device (11) for relieving the refrigerant from a high pressure line to a low pressure line according to a refrigerant pressure ...
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WO/2002/057692 |
The present invention relates to a system and a method for cooling extruded and molded materials. The present invention is especially useful to thoroughly cool an extrudate by releasing a cooling fluid in a hollow portion of the extrudat...
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WO/2002/057694 |
A pulse tube system especially useful for producing and delivering refrigeration at very cold temperatures wherein a product fluid (42, 58) such as hydrogen is preferably precooled and then liquefied, subcooled and/or densified by heat e...
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WO/2002/056401 |
The invention relates to a device, particularly for a fuel cell arrangement in a vehicle, with a compressor (1) which compresses air, forming the working medium of a cold air process-air conditioning unit or heat pump. According to the i...
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WO/2002/053399 |
The invention relates to a system for cooling or heating comprised of a first heat exchanger (10) for delivering or drawing heat into/out of a heat reservoir (12), of a second heat exchanger (14) for drawing or delivering heat out of/int...
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WO/2002/053991 |
A Stirling refrigerator and a method of controlling the operation of the refrigerator; the method, comprising the step of properly controlling a voltage supplied to a drive source for a piston at the start and at the halt of the operatio...
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WO/2002/052206 |
The invention relates to a cooling device, comprising a circuit (60) which conducts a coolant, a first heat transfer device (10) for releasing heat to a heat reservoir (12), a second heat transfer device (114) for removing heat from a sp...
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WO/2002/050482 |
A refrigeration cycle apparatus using carbon dioxide as an operation medium, which has a carbonic acid capturing agent provided in the flowing route for the operating medium in the refrigeration cycle thereof. The apparatus is capable of...
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WO/2002/048533 |
A Stirling engine wherein installed inside a pressing chamber (111) at a gas flow outlet port are a first porous body (112A) having a large void diameter, a second porous body (113A) having a small void diameter, and a ring (114) for fix...
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WO/2002/046665 |
The expander (20) in a pulsation tube cooler stage (1) in a cooling device consisting of at least one such expander, comprises a heat exchanger (7) and a tube connection (10, 10a) to a buffer volume (12, 12a, 21). Said expander (20) cons...
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WO/2002/044630 |
A Stirling engine, comprising a regenerator having a bobbin, a resin film wound on the outer peripheral surface of the bobbin, and a tube with a vertical slit installed on the outer periphery of the resin film, wherein one end of the res...
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WO/2002/044631 |
A cooling and heating system using a vortex tube (64) is disclosed. The system is attached to an equipment enclosure used for telecommunications, cable television and the like where a cold airstream (66) from the vortex tube (64) is dire...
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WO/2002/044024 |
A cooling apparatus (12) for use on a vehicle includes a heat exchanger (13) in wich heat is removed from a heat load (11) by a coolant, characterised in that the cooling apparatus (12) also includes a first (15-28) and second (31-37) co...
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WO/2002/043224 |
The superconducting device (2) comprises a rotor (5) which is rotatable about an axis of rotation (A) and is provided with a superconductive winding (10) in a heat conducting winding carrier (9). The winding carrier (9) has a central coo...
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WO/2002/042695 |
A refrigerating or heat pump system includes an evaporator (23), a compressor (20), an air-cooled heat rejecting heat exchanger (21) and an expansion device (22) being connected in a closed circuit and operating in a trans critical vapor...
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WO/2002/042707 |
In a heat exchanger (10) for transferring heat from a first fluid to a second fluid, which heat exchanger (10) comprises one or more flow passages (12) for a first fluid, the outer wall (26) of these passages is in heat-tranferring conta...
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WO/2002/037036 |
A Stirling refrigerating machine comprising an outer yoke assembly (11), i.e. an outer yoke constituting a linear motor, and supporting members (14A, 14B) for a piston supporting spring (5)and a displacer supporting spring (6) being supp...
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WO/2002/035159 |
A free-piston type Stirling engine used for producing cold heat with the vibration center position of a piston accurately kept. A first space is formed on one side of a piston, and a second space is formed on the opposite side to spread ...
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WO/2002/035164 |
Equipment for cooling an HTS receive coil (4) in an MRI scanner to a temperature below the transition temperature of the HTS comprises a refrigeration unit such as a Stirling cooler (1) the cold head (2) of which is connected by a non-me...
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WO/2002/035160 |
An inexpensive Stirling refrigerating system, wherein a pair of reverse Stirling engines (3a, 3b) having worm heads (8a, 8b) heated to a high temperature by driving, cold heads (7a, 7b) cooled to a low temperature, and a piston and a dis...
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WO/2002/031418 |
A heat exchanger with an excellent heat exchanging efficiency and a refrigerator having the heat exchanger; the refrigerator, comprising a Stirling refrigerator machine (6) and a heat exchanger (10) allowed to abut-on the cold heat (62) ...
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WO/2002/031416 |
The invention concerns an air conditioning unit wherein the expansion device (4) of the refrigerating fluid loop is controlled to set the internal heat exchanger efficiency $g(h), represented by the equation: $g(h) = T¿ec? T¿se?/ T¿sr...
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WO/2002/031372 |
A system (10) for pumping or mixing a fluid using a levitating, rotating magnetic bearing (14) and various other components for use in a pumping or mixing system are disclosed. The magnetic bearing (14) is placed in a fluid-containing ve...
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WO/2002/029337 |
The present invention provides a cryogenic refrigerating system for achieving ultra low temperature by sequentially obtaining low temperature through repetition of expansion and evaporation of a mixed-refrigerant in multiple stages. The ...
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WO/2002/025189 |
A heat exchanger (7) and a method of manufacturing the heat exchanger; the heat exchanger used in a refrigerant circulating compression refrigeration cycle (1) and exchanging heat between the high and low pressure sides of the refrigeran...
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WO/2002/023100 |
A multiple refrigerating device capable of saving an energy and preventing global warming through the achievement of a high coefficient of performance (COP) by using R32 as a refrigerant, wherein R32 as the refrigerant is circulated thro...
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WO/2002/023101 |
A structure of a sliding part, wherein the cross sectional shape of a sliding part or a part fitted to the sliding part has a curvature at the end part thereof, and the cross sectional shapes of a piston and a piston side cylinder, a dis...
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WO/2002/021056 |
A heat exchanger for Stirling refrigerating machine, comprising annular corrugated fins formed cylindrically by forming a sheet having a large number of grooves provided therein by corrugating forming so that the grooves are positioned p...
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WO/2002/018854 |
Method for defrosting of a heat exchanger (evaporator) in a vapor compression system including, beyond a heat exchanger (evaporator) (3) to be defrosted, at least a compressor (1), a second heat exchanger (condenser/heat rejecter) (2) an...
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WO/2002/018848 |
Reversible vapor compression system including a compressor (1), an interior heat exchanger (2), an expansion device (6) and an exterior heat exchanger (3) connected by means of conduits in an operable relationship to form an integral mai...
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WO/2002/016847 |
The invention relates to a low temperature air fractionation system comprising several modules consisting of at least one heat exchange unit, a pressure column and a low pressure column, in addition to the accessories belonging to the re...
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WO/2002/016835 |
A sterling refrigerating system, wherein an annular jacket is installed on a worm section, cylindrical heat exchangers for heat radiation are installed around a sterling refrigerating machine main body at intervals, and a closed circuit ...
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WO/2002/016836 |
A stirling cooling device, wherein refrigerant is circulated in a refrigerant circulating circuit, and the refrigerant having a cool heat received as a latent heat from a stirling refrigerating machine is evaporated in an evaporator to c...
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WO/2002/016842 |
A stirling refrigerator, wherein a waste heat discharged from the radiating part of a stirling refrigerating machine is transferred to the refrigerator through an antifrost heat pipe to heat the opening side of the refrigerator, whereby ...
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WO/2002/016837 |
A pulse tube expander (70) includes a regenerator (30), a pulse tube (42), a porous plug phase shifter (74), and a surge tank (60), in series gaseous communication with each other. The porous plug phase shifter (74) is made of a porous m...
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WO/2002/011638 |
An apparatus and method for automatic operation of a refrigeration system (10) to provide refrigeration power to a catheter for tissue ablation or mapping. The primary refrigeration system (208) can be open loop or closed loop, and a pre...
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WO/2002/012062 |
An environmental control system and method are provided for conditioning water-vapor compressed air for supply as conditioned air. The environmental control system (8) includes two air cycle machines (9, 10) that rotate independent of ea...
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WO/2002/010655 |
A refrigeration cycle device which prevents refrigerating machine oil delivered during cycle from obstructing heat transfer and from increasing pressure loss, which is small in size and highly efficient, and which uses carbon dioxide gas...
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WO/2002/006803 |
A cooling system (10) for thermal analysis equipment provides rapid cool down and steady state operation of a differential scanning calorimeter (DSC) at any predetermined temperature between a minimal temperature and room temperature usi...
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WO/2002/004875 |
A hybrid two-stage cryocooler (10) includes a first-stage Stirling expander (20) having a first-stage interface (104) and a Stirling expander outlet (29), a thermal-energy storage device (108) in thermal communication with the first-stag...
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WO/2002/005325 |
A system and method for controlling temperature in a workpiece chuck are described. A fluid circulation system circulates a temperature control fluid, such as an engineered HFE fluid, through the workpiece chuck. A fluid recovery system ...
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WO/2002/002996 |
A regenerative type of refrigeration system recirculates a mixture of R-134a, R-32 and R-125 through first and second series condensers (14A, 14B). A first vortex tube (50) is connected to the inlet of the first condenser (14A) and a sec...
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WO/2002/001121 |
A standard refrigeration pressure regulating valve (136) limits the minimum temperature produced by a refrigeration process, which uses a refrigerant mixture including at least two components whose normal boiling points differ by at leas...
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WO/2002/001096 |
Flow in a forward direction through a check valve (202) is detected by a signaling device in parallel with the check valve and sensing the pressure differential across the check valve. The signaling device outputs an electrical signal th...
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WO/2002/001125 |
A shell and coil type heat exchanger evaporator (104) provides cooling for industrial coolants characterized by high viscosity and a poor heat transfer coefficient. A large heat transfer surface area is provided within a limited volume, ...
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