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