| Patents for F25B 9 - Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point (9,862) |
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| 11/24/1993 | EP0570868A1 Method and system for cryogenic refrigeration using air |
| 11/24/1993 | EP0570731A1 Stirling engine with heat exchanger |
| 11/24/1993 | CN1078795A Air cooled refrigerator without freon |
| 11/23/1993 | CA1324541C Piston engine and cryogenic cooler provided with such a piston engine |
| 11/22/1993 | CA2096762A1 Stirling engine with heat exchanger |
| 11/09/1993 | US5259197 Compression type heat pump |
| 10/26/1993 | US5255521 Gas cycle engine for refrigerator |
| 10/20/1993 | EP0566126A1 Cryogenic rectification system with helical dry screw expander |
| 10/17/1993 | CA2094054A1 Cryogenic rectification system with helical dry screw expander |
| 10/14/1993 | DE4203155A1 Absorption gas refrigerator using Stirling process - has roller bearings for axial and radial support of each reciprocating piston reducing friction |
| 10/12/1993 | US5251456 Liquid helium bath having expansion chamber sealed so that heat from sliding friction is compensated by refrigeration, for superconducting memory cards |
| 10/12/1993 | US5251448 Heat machine |
| 10/05/1993 | US5249425 Venting control system for cryostats |
| 09/30/1993 | DE4314000A1 Operating piston Stirling engine - uses working gas in closed circuit and heat exchange in regenerator results with constantly maintained pressure to give raised degree of regeneration |
| 09/30/1993 | DE4210186A1 Heat pump comprising piston type compressor and compressed air motor - uses air as working medium so that air compressed and cooled is expanded in piston type motor and compressor and motor are designed as separate sets |
| 09/28/1993 | US5247799 Regenerative gas refrigerating machine |
| 09/23/1993 | DE4308698A1 Gas flow machine for aircraft engine or air conditioning system - has compression cycle which compensates for system losses |
| 09/23/1993 | DE4208799A1 Cold treatment of human and animal body parts - by means of appts. supplying cold dry gas to affected body part |
| 09/22/1993 | EP0561431A2 Two-stage joule-thomson cryostat with gas supply management system, and uses thereof |
| 09/22/1993 | CN1076518A Differential pressure refrigeration method and refrigerator |
| 09/21/1993 | US5245836 Method and device for high side pressure regulation in transcritical vapor compression cycle |
| 09/21/1993 | US5245830 Adaptive error correction control system for optimizing stirling refrigerator operation |
| 09/16/1993 | WO1993018357A1 Subcooling system for refrigeration cycle |
| 09/14/1993 | US5243837 Subcooling system for refrigeration cycle |
| 09/14/1993 | US5243826 Method and apparatus for collecting liquid cryogen |
| 09/01/1993 | CN1075776A 热机 Heat engine |
| 08/31/1993 | US5239833 Heat pump system and heat pump device using a constant flow reverse stirling cycle |
| 08/26/1993 | DE4305043A1 Stirling engine of double-head piston and swash plate type - has cylinder block with front and rear working gas chambers, surrounded by heat exchangers |
| 08/24/1993 | US5237828 Air-conditioner for an automobile with non-azeotropic refrigerant mixture used to generate "cool head" and "warm feet" profile |
| 08/19/1993 | WO1993016338A1 A process for extracting vapor from a gas stream |
| 08/19/1993 | CA2129003A1 A process for extracting vapor from a gas stream |
| 08/17/1993 | US5235820 Refrigerator system for two-compartment cooling |
| 08/05/1993 | WO1993015161A1 Improved nonazeotropic working fluid media for use in thermodynamic cycle applications |
| 08/05/1993 | CA2467464A1 Improved nonazeotropic working fluid media for use in thermodynamic cycle applications |
| 08/04/1993 | EP0553818A1 Piston/displacer support means for a cryogenic refrigerator |
| 08/04/1993 | EP0424474B1 Method of operating a vapour compression cycle under trans- or supercritical conditions |
| 08/03/1993 | US5231851 Method and device for carbonating and cooling a liquid |
| 08/03/1993 | US5231840 Cryopump |
| 07/27/1993 | US5231337 Vibratory acoustic compressor |
| 07/22/1993 | WO1993014357A1 Method and device for obtaining very low temperatures |
| 07/21/1993 | EP0551983A2 Heat regenerative material |
| 07/20/1993 | US5228298 Cryogenic rectification system with helical dry screw expander |
| 07/13/1993 | CA1320055C Thermodynamic cyclic process |
| 07/08/1993 | WO1993013370A1 Transcritical vapor compression cycle device with a variable high side volume element |
| 07/08/1993 | CA2126695A1 Transcritical vapor compression cycle device with a variable high side volume element |
| 07/06/1993 | US5224657 Coolant gases, grinding a magnetic material, screening and ball milling |
| 07/01/1993 | DE4142949A1 Combined supercharger and air conditioner for car - uses compressor on intake air passing to heat exchanger for supercharging and subsequent expansion for air conditioning |
| 06/17/1993 | DE4241463A1 Stirling motor with three heat sources at different temperatures - has cylinder divided into high, medium and low temperature chambers, and has variable gas displacement volumes in high and medium temp. parts |
| 06/16/1993 | EP0546447A1 Improvements in refrigeration cycles |
| 06/16/1993 | CN2136434Y Pressure differential refrigerator |
| 06/10/1993 | WO1993011401A1 Perforated plates for cryogenic regenerators and method of fabrication |
| 06/02/1993 | EP0544474A2 Air conditioning system |
| 06/01/1993 | US5214935 Fluid conditioning apparatus and system |
| 06/01/1993 | US5214923 Vuilleumier heat pump |
| 06/01/1993 | US5214922 Multi-expander cryogenic cooler |
| 05/28/1993 | CA2083744A1 Air conditioning system |
| 05/27/1993 | WO1993010407A1 Cryogenic refrigerating device |
| 05/26/1993 | EP0542909A1 Environmental control system condensing cycle. |
| 05/18/1993 | US5211372 Exhaust valve for a gas expansion system |
| 05/18/1993 | CA1317771C Process and apparatus to improve the power factor of compressor-operated (hybrid) refrigerators or heat pumps functioning with solution cycle |
| 05/12/1993 | CN1071973A Amrophous material for regenerator |
| 05/04/1993 | US5207981 Heat reserving materials usuable at very low temperatures |
| 05/04/1993 | US5207077 Refrigeration system |
| 04/27/1993 | US5205134 Gas liquefaction process and refrigeration plant |
| 04/27/1993 | US5205126 Vehicular cooling apparatus |
| 04/27/1993 | CA2037144C Heat exchanger apparatus, particularly for hybrid heat pumps operated with non-azeotropic work fluids |
| 04/22/1993 | DE4234678A1 Oscillation pipe refrigeration machine - has radiator, regenerator, heat absorber and oscillation pipe between compression and expansion spaces |
| 04/21/1993 | CN1071186A Improved non-azeotropic work medium used in thermodynamic circulation |
| 04/15/1993 | WO1993007425A1 Heat pump system and heat pump device using a constant flow reverse stirling cycle |
| 04/13/1993 | US5201182 Method for the thermal conditioning of electronic equipment mounted in aircraft, and systems for the implementation thereof |
| 04/08/1993 | DE4132939A1 Air-conditioning unit for electric vehicle passenger space - uses stirling heat pump with reversible drive allowing cooling or heating operations |
| 04/07/1993 | EP0535158A1 Single and multistage refrigeration system and method using hydrocarbons |
| 04/07/1993 | EP0535106A1 Method of transferring heat energy from a low to a higher temperature. |
| 04/07/1993 | EP0515559A4 Stirling free piston cryocoolers |
| 04/01/1993 | WO1993006423A1 Method of high-side pressure regulation in transcritical vapor compression cycle device |
| 03/31/1993 | EP0441837B1 Method and arrangement for an enforced heat transmission between alimentary bodies and gases |
| 03/30/1993 | US5197295 Stirling miniature integral cooler/dewar assembly |
| 03/23/1993 | US5195320 Piston-cylinder assembly particularly useful in stirling cycle machines |
| 03/23/1993 | CA1314719C Linear drive motor with improved dynamic absorber |
| 03/17/1993 | EP0532001A1 Amorphous material for regenerator |
| 03/17/1993 | EP0252137B1 Installation for harnessing thermal energy |
| 03/16/1993 | US5193349 Method and apparatus for cooling high temperature superconductors with neon-nitrogen mixtures |
| 03/16/1993 | US5193348 Superconducting quantum interferometer device |
| 03/16/1993 | US5193341 Arrangement for removing oxidizable or combustible particles from exhaust gases |
| 03/09/1993 | CA1314139C Halocarbon blends for refrigerant use |
| 03/03/1993 | EP0309467B1 Thermodynamic cycle |
| 03/02/1993 | US5189883 Economical refrigeration retrofit systems |
| 03/02/1993 | US5189880 Dilution refrigerators |
| 02/24/1993 | EP0527993A1 Externally heated, regenerative hot and cold machine. |
| 02/24/1993 | EP0527856A1 Food freezer |
| 02/23/1993 | US5187938 Method and a device for precooling the helium tank of a cryostat |
| 02/18/1993 | WO1992020977A3 Refrigerating device |
| 02/17/1993 | CN2127163Y Vessel type stirling refrigerating machine |
| 02/16/1993 | US5186765 Refrigerator having metal alloy particles as heat exchangers, mechanical strength, chemical stability |
| 02/16/1993 | US5186012 Refrigerant composition control system for use in heat pumps using non-azeotropic refrigerant mixtures |
| 02/16/1993 | US5186011 Refrigerant cycling apparatus |
| 02/03/1993 | EP0526320A1 Compression circuit for a gaseous fluid at a low pressure and temperature |
| 02/03/1993 | EP0525182A1 Dynamically balanced gifford-mcmahon refrigerator cold head |
| 01/26/1993 | US5181386 Cryogenic cooling apparatus |
| 01/26/1993 | US5181383 Refrigerator |