Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1,501 - 1,550 out of 9,654

Document Document Title
WO/2002/057693A1
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...  
WO/2002/056401A2
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...  
WO/2002/053399A1
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...  
WO/2002/053991A1
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...  
WO/2002/052206A1
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...  
WO/2002/050482A1
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...  
WO/2002/048533A1
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...  
WO/2002/046665A1
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...  
WO/2002/044024A1
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...  
WO/2002/044630A1
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...  
WO/2002/044631A1
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...  
WO/2002/042707A1
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...  
WO/2002/043224A1
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...  
WO/2002/042695A1
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...  
WO/2002/037036A1
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...  
WO/2002/035160A1
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...  
WO/2002/035164A1
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...  
WO/2002/035159A1
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 ...  
WO/2002/031418A1
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) ...  
WO/2002/031372A1
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...  
WO/2002/031416A1
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...  
WO/2002/029337A1
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 ...  
WO/2002/025189A1
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...  
WO/2002/023100A1
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...  
WO/2002/023101A1
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...  
WO/2002/021056A1
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...  
WO/2002/018540A2
The present invention relates to novel CD40:CD154 binding interruptor compounds of the formula (I), and use of these compounds and pharmaceutical compositions comprising them, to treat conditions associated with inappropriate CD154 activ...  
WO/2002/018854A1
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...  
WO/2002/018848A1
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...  
WO/2002/016836A1
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...  
WO/2002/016847A1
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...  
WO/2002/016842A1
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 ...  
WO/2002/016835A1
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 ...  
WO/2002/016837A1
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...  
WO/2002/012062A1
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...  
WO/2002/010655A1
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...  
WO/2002/006803A1
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...  
WO/2002/005325A2
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 ...  
WO/2002/004875A1
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...  
WO/2002/002996A1
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...  
WO/2002/001122A1
The present invention is a refrigeration system (100) that uses a nonflammable, nonchlorinated refrigerant mixture to achieve very-low temperatures using a single compressor (102). The system is characterized by rapid cool down time.  
WO/2002/001121A1
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...  
WO/2002/001096A2
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...  
WO/2002/001120A1
Refrigerants containing HCFC's are replaced with new blends by using R-236fa and R-125, or R-125 with R-245fa, or R-236ea, or R-134a with R-236fa in place of HCFC's. No hardware or oil composition changes are required to maintain tempera...  
WO/2002/001123A1
The invention describes a flexible heat exchanger (12) that provides both a direct connection between a cold stage (11) and a compressor module (10) of a refrigeration system (100) and counter-flow heat exchange along the entire connecti...  
WO/2002/001125A1
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, ...  
WO/2001/094863A1
A refrigerating cycle device which uses a hydrocarbon refrigerant and a lubricant free from silicone, has a detachable sensor unit for detecting leaked hydrocarbon refrigerant to ensure a safe use of the device by replacing an defective ...  
WO/2001/092792A1
Heating/defrost construction of very low temperature refrigeration system (100) having a defrost supply circuit (176, 178, 180) and a defrost return bypass circuit (186, 188, 190) optimizing the heating/defrost cycle, preventing overload...  
WO/2001/084065A1
A cold insulating chamber, comprising a thermally insulated box body having a sealable cooling chamber and a cooling device for cooling the interior of the cooling chamber, the cooling device being characterized by comprising a Stirling ...  
WO/2001/081840A1
A Stirling cycle cryocooler is disclosed that includes a displacer unit having a cold end and a hot end. The displacer unit (4) includes a cold cylinder housing and a displacer liner (18) disposed on the inner surface of the housing (10)...  

Matches 1,501 - 1,550 out of 9,654