| 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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| 05/16/1990 | EP0235284B1 Integrated infrared detector and cryoengine assembly |
| 05/15/1990 | US4924675 Linear motor compresser with stationary piston |
| 05/10/1990 | DE3936914A1 Multistage cold-storage refrigerator using rare-earth alloy e.g for superconducting magnet, computer, SQUID, infrared telescope cooling |
| 05/09/1990 | EP0367057A2 Device for simultaneously producing heat and cold |
| 05/09/1990 | EP0367028A2 Method and apparatus for investigating a sample on the cold finger of a cryostat |
| 05/08/1990 | US4924198 Superconductive magnetic resonance magnet without cryogens |
| 05/08/1990 | US4922722 Stirling refrigerator with nonlinear braking spring |
| 05/03/1990 | DE3836959A1 Vibration-free gas refrigerating machine according to the Stirling principle |
| 05/01/1990 | US4920753 Method of storing volatile substances, container for storing said substances, and flow-control method for surface flow of superfluid helium |
| 05/01/1990 | CA2001722A1 Method and arrangement for an enforced heat transmission between bodies and gases |
| 04/24/1990 | US4920288 Piston engine with dynamic groove bearing internal to piston and isolated from compression space |
| 04/24/1990 | US4919232 Cold lubricant misting device and method |
| 04/19/1990 | WO1990004144A1 A temperature control system for a cryogenic refrigerator |
| 04/03/1990 | US4913714 Automotive air conditioner |
| 04/03/1990 | US4912932 Unloader valve for cryogenic refrigerator |
| 03/13/1990 | US4907422 In an ice making system |
| 03/13/1990 | US4907412 Refrigerator |
| 02/20/1990 | US4902952 Cooling apparatus |
| 02/14/1990 | EP0354263A1 Helium-supplying compressor for a cryogenic refrigerator |
| 02/07/1990 | CN2052510U Refrigerating machine of pulse tube with two-way air |
| 02/07/1990 | CN2052509U Airwave refrigerating machine |
| 02/01/1990 | DE3825907A1 Micromechanically fabricated cooling device, especially plate coolers |
| 01/23/1990 | US4894996 Gas refrigerator |
| 01/10/1990 | EP0350290A2 Cryogenic refrigerators |
| 01/10/1990 | EP0350267A1 Superconductive magnetic resonance magnet |
| 01/10/1990 | EP0349933A2 Housing for infrared sensitive elements |
| 01/09/1990 | US4893016 Gas-cooled semiconductor radiation detector |
| 01/09/1990 | US4891951 Refrigeration system |
| 12/13/1989 | EP0345841A1 Piston engine, and a compression device provided with two piston engines and a cryogenic cooler |
| 12/13/1989 | CN2049328U Vortex tube refrigerator |
| 12/06/1989 | CN2048944U Cyclone type cold and heat separator |
| 12/05/1989 | US4885017 Heat transfer unit |
| 11/29/1989 | EP0343774A2 Stirling refrigerator with nonlinear braking spring |
| 11/28/1989 | CA1263243A1 Impingement cooled transition duct |
| 11/16/1989 | WO1989011070A1 Regenerative cryogenic refrigerator |
| 11/14/1989 | US4879876 Cryogenic refrigeration apparatus |
| 11/08/1989 | EP0340687A2 Filtered environmental control system |
| 11/07/1989 | US4878361 Harvest cycle refrigerant control system |
| 11/07/1989 | US4878350 Pulsation dampening device for super critical fluid expansion engine, hydraulic engine or pump in cryogenic service |
| 11/02/1989 | EP0339836A2 Miniature integral stirling cryocooler |
| 11/02/1989 | EP0339318A1 Counter-current heat exchanger |
| 11/02/1989 | EP0339298A1 Method of making a regenerator for a cryogenic refrigeration machine, and regenerator made according to this method |
| 11/02/1989 | DE3913050A1 Kuehlvorrichtung Kuehlvorrichtung |
| 10/31/1989 | US4877434 Cryogenic refrigerator |
| 10/25/1989 | EP0338920A2 Joule-Thomson cooler with porous mass heat exchanger |
| 10/25/1989 | CN2046613U Compound freezer |
| 10/24/1989 | US4875346 Two-statge sorption type cryogenic refrigerator including heat regeneration system |
| 10/24/1989 | US4875345 High-performance air-conditioning installation for aircraft |
| 10/24/1989 | CA1262434A1 Refrigeration method and apparatus |
| 10/24/1989 | CA1262433A1 Gas refrigeration method and apparatus |
| 10/18/1989 | EP0337227A2 Method of making a displacer for the cold finger of a cryogenic refrigerator and displacer made according to this method |
| 10/18/1989 | CN2046198U Refrigerating machine with higher temp. precision |
| 10/17/1989 | US4874677 Wires with lead sheathing; high capacity; refrigerators |
| 10/17/1989 | US4873831 Cryogenic refrigerator employing counterflow passageways |
| 10/12/1989 | DE3905415A1 Process for treating exhaust gases |
| 10/10/1989 | US4872321 Nonimmersive cryogenic cooler |
| 10/10/1989 | US4872313 Gas cycle machine |
| 10/04/1989 | EP0335643A2 Gas refrigerator |
| 10/03/1989 | CA1262057A1 Multi-stage heat pump of the compressor-type operating with a solution |
| 09/26/1989 | CA1260550A1 Method of removing heat from a refrigeration load and apparatus for performing this method |
| 09/20/1989 | EP0332931A2 Method for plugging pipelines by freezing and device for carrying out this method |
| 09/20/1989 | CN1035626A Centrifugal vortex tube gas segregator |
| 09/19/1989 | US4867380 Pistol grip type compressed air blower |
| 09/19/1989 | US4866943 Cyrogenic regenerator |
| 09/19/1989 | CA1259500A1 Parallel wrapped tube heat exchanger |
| 09/19/1989 | CA1259499A1 Joule-thomson heat exchanger and cryostat |
| 09/05/1989 | US4862695 Split sterling cryogenic cooler |
| 09/05/1989 | US4862694 Cryogenic refrigeration apparatus |
| 08/29/1989 | US4860543 Vibration isolation system for a linear reciprocating machine |
| 08/23/1989 | CN2043132U Vertical spiral vibration cooling device |
| 08/22/1989 | US4858442 Miniature integral stirling cryocooler |
| 08/22/1989 | US4858441 Heat-driven acoustic cooling engine having no moving parts |
| 08/15/1989 | US4856283 Refrigerator |
| 08/15/1989 | US4856280 Apparatus and method for the speed or power control of stirling type machines |
| 08/09/1989 | EP0327457A1 Method and equipment for producing very low temperatures |
| 08/09/1989 | EP0327293A2 USE OF A MAGNETIC MATERIAL, AMz |
| 08/09/1989 | EP0326923A1 Conduit for the transport of cyrogenic fluids |
| 08/08/1989 | US4854131 Very low temperature refrigerator |
| 08/01/1989 | US4852356 Cryogenic cooler |
| 07/25/1989 | US4850199 Cryo-refrigeration system |
| 07/19/1989 | EP0324516A1 Piston engine and cryogenic cooler provided with such a piston engine |
| 07/18/1989 | US4848092 Heat exchanger for cryogenic refrigerator |
| 07/13/1989 | WO1989006333A1 Remote recondenser with intermediate temperature heat sink |
| 07/11/1989 | US4846861 Cryogenic refrigerator having a regenerator with primary and secondary flow paths |
| 07/11/1989 | US4846363 Dual gas pressure vessel |
| 07/11/1989 | US4846256 Shell for plate-type apparatus to carry out thermo-dynamic processes based on heat-exchange between flowing fluids |
| 07/11/1989 | US4845953 Refrigerating system |
| 07/04/1989 | US4843837 Heat pump system |
| 07/04/1989 | US4843826 Vehicle air conditioner |
| 06/28/1989 | EP0201546B1 Heat transfer device for the transport of large conduction flux without net mass transfer |
| 06/20/1989 | US4840043 Cryogenic refrigerator |
| 06/20/1989 | US4840042 Heat pump system |
| 06/20/1989 | US4840036 Air cycle refrigeration system |
| 06/20/1989 | US4840032 Refrigerator, more particularly with Vuilleumier cycle, comprising pistons suspended by gas bearings |
| 06/15/1989 | WO1989003480A3 Linear motor compressor with stationary piston |
| 06/06/1989 | US4835979 Surge control system for a closed cycle cryocooler |
| 06/06/1989 | US4835973 Cryogenic regenerator including sarancarbon heat conduction matrix |
| 05/31/1989 | EP0317625A1 Cryogenic refrigerator |
| 05/31/1989 | EP0162868B1 Stirling cycle engine and heat pump |
| 05/23/1989 | US4831828 Cryogenic refrigerator having a convection system to cool a hermetic compressor |