| Patents for F02G 1 - Hot gas positive-displacement engine plants (5,884) |
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| 04/03/1990 | US4912995 Thrust to torque converter, particularly for coupling a reciprocating shaft to a rotary electrical generator or the like |
| 04/03/1990 | US4912932 Unloader valve for cryogenic refrigerator |
| 04/03/1990 | US4912929 Variable gas spring for matching power output from FPSE to load of refrigerant compressor |
| 03/20/1990 | US4909208 Rotary internal combustion motor |
| 03/13/1990 | US4907412 Refrigerator |
| 03/08/1990 | DE3924723A1 Energy prodn. from coal dust etc. - by turbulent chamber technique combines advantages of fluidised bed and powdered fuel firing |
| 03/07/1990 | EP0356737A2 Regenerative heat exchanger system |
| 02/28/1990 | EP0355921A2 Shell and tube heat pipe condenser |
| 02/27/1990 | US4903503 Air conditioning apparatus |
| 02/20/1990 | US4902952 Cooling apparatus |
| 02/20/1990 | US4901787 Regenerative heat exchanger and system |
| 02/08/1990 | DE3826117A1 Thermal-engine arrangement |
| 02/06/1990 | US4898126 Internal combustion engine with catalytic ignition |
| 02/06/1990 | US4897997 Shell and tube heat pipe condenser |
| 01/23/1990 | US4894996 Gas refrigerator |
| 01/23/1990 | US4894995 Combined internal combustion and hot gas engine |
| 01/23/1990 | US4894989 Heater for a stirling engine |
| 12/26/1989 | US4888951 Phase synchronization and vibration cancellation for free piston Stirling machines |
| 12/26/1989 | US4888950 Magnetic driven hydrodynamic lubrication system for free piston stirling engine |
| 12/13/1989 | EP0345841A1 Piston engine, and a compression device provided with two piston engines and a cryogenic cooler |
| 12/13/1989 | CN1037946A Power conversion machine having pistons which are moved in turning movement in spherical housing |
| 12/12/1989 | US4885980 Hydrodynamic bearing |
| 11/28/1989 | US4883823 Preparing methanol |
| 11/21/1989 | US4881372 Stirling engine |
| 11/16/1989 | WO1989011070A1 Regenerative cryogenic refrigerator |
| 11/02/1989 | EP0339298A1 Method of making a regenerator for a cryogenic refrigeration machine, and regenerator made according to this method |
| 11/02/1989 | EP0339034A1 Rotary piston machine with sealing elements. |
| 11/02/1989 | DE3913050A1 Kuehlvorrichtung Kuehlvorrichtung |
| 10/31/1989 | US4877434 Cryogenic refrigerator |
| 10/26/1989 | DE3812006A1 Hot gas rotary engine |
| 10/26/1989 | DE3811638A1 Stirling engine with variable water/air cooling, cold section replaceable by means of plug-in connection and elastic displacement cylinder cover |
| 10/17/1989 | US4874677 Wires with lead sheathing; high capacity; refrigerators |
| 10/17/1989 | US4873826 Control scheme for power modulation of a free piston Stirling engine |
| 10/04/1989 | EP0335643A2 Gas refrigerator |
| 10/03/1989 | US4870821 Reciprocation apparatus with sealing mechanism |
| 09/26/1989 | US4869068 Heat transfer strap |
| 09/21/1989 | DE3844554A1 Combustion-air ducting in a Stirling motor |
| 09/19/1989 | US4866943 Cyrogenic regenerator |
| 09/13/1989 | EP0332272A2 Thermal engine with hydrodynamic bearing |
| 09/13/1989 | EP0332271A1 Yieldably mounted lubricant control assemblies for piston rods |
| 09/13/1989 | EP0332267A1 Improved solar evaporator |
| 09/05/1989 | US4862695 Split sterling cryogenic cooler |
| 08/29/1989 | US4862021 Explosively driven power supply |
| 08/23/1989 | CN1005038B Hot gas engine with multi-cylinder |
| 08/22/1989 | US4858441 Heat-driven acoustic cooling engine having no moving parts |
| 08/15/1989 | US4856280 Apparatus and method for the speed or power control of stirling type machines |
| 08/09/1989 | EP0327293A2 USE OF A MAGNETIC MATERIAL, AMz |
| 08/01/1989 | US4852356 Cryogenic cooler |
| 08/01/1989 | US4852354 External combustion closed regenerative cycle piston engine |
| 07/26/1989 | EP0325339A2 Two-part drive shaft for thermal engine |
| 07/20/1989 | DE3736646A1 Heat pump with compressor driven by a hot-gas machine without displacer |
| 07/19/1989 | EP0324516A1 Piston engine and cryogenic cooler provided with such a piston engine |
| 07/19/1989 | CN1004819B 斯特林循环发动机 Stirling cycle engine |
| 07/11/1989 | US4846861 Cryogenic refrigerator having a regenerator with primary and secondary flow paths |
| 06/20/1989 | US4840032 Refrigerator, more particularly with Vuilleumier cycle, comprising pistons suspended by gas bearings |
| 06/20/1989 | CA1256038A1 Method and apparatus for gas separation and synthesis |
| 06/13/1989 | US4838784 Pulse combustion energy system |
| 06/06/1989 | US4836094 Yieldably mounted lubricant control assemblies for piston rods |
| 05/31/1989 | EP0317625A1 Cryogenic refrigerator |
| 05/31/1989 | EP0185656B1 Linear electromagnetic machine |
| 05/31/1989 | EP0162868B1 Stirling cycle engine and heat pump |
| 05/23/1989 | US4832352 Piston rod seal |
| 05/16/1989 | US4830092 Heat enhancers and salt purifiers for thermal energy storage canister |
| 05/10/1989 | EP0314762A1 Air conditioning apparatus |
| 05/05/1989 | WO1989003718A1 Gas separation by pressure swing adsorption |
| 05/02/1989 | US4825814 Combination gas combuster and heat pipe evaporator device |
| 04/26/1989 | EP0078848B1 Mechanical arrangements for stirling-cycle, reciprocating, thermal machines |
| 04/25/1989 | US4824149 Generator set |
| 04/24/1989 | EP0246275A4 Thermally powered engine. |
| 04/19/1989 | EP0311726A2 Cryogenic cooler |
| 04/18/1989 | US4821516 Stirling cycle engine |
| 04/11/1989 | US4819873 Method and apparatus for combusting fuel in a pulse combustor |
| 04/11/1989 | US4819444 Air conditioning apparatus |
| 04/11/1989 | US4819432 Installation for harnessing thermal energy |
| 04/06/1989 | DE3732123A1 Prime mover |
| 03/29/1989 | CN1032058A High efficiency thermodynamic micro-cycle system and its regenerator |
| 03/28/1989 | US4816121 Cyclic chemical reactor |
| 03/28/1989 | US4815291 Method and arrangement in heat engines |
| 03/28/1989 | US4815290 Heat recovery system |
| 03/14/1989 | US4811563 Vibration-reducing apparatus |
| 03/07/1989 | US4809511 Internal combustion engine |
| 03/01/1989 | EP0305257A1 Process and apparatus for the cryogenic cooling of an object |
| 02/23/1989 | WO1989001593A1 Cam drive for cryogenic refrigerator |
| 02/22/1989 | EP0303736A2 Stirling engines |
| 02/21/1989 | US4805408 Stirling engine power regulation system |
| 02/21/1989 | US4805407 Thermomechanical electrical generator/power supply for a downhole tool |
| 02/07/1989 | US4802332 Sliding surface lubrication particularly advantageous for a free piston stirling engine |
| 01/31/1989 | US4801308 Apparatus and process for pressure swing adsorption separation |
| 01/26/1989 | DE3723603A1 Heat exchanger |
| 01/24/1989 | US4799421 Hydrodynamic spiral-grooved journal bearing for electromagnetically rotated and reciprocated compressor piston |
| 01/24/1989 | CA1249131A1 Two piston v-type stirling engine |
| 01/19/1989 | DE3724076A1 Hot gas or injection or naturally aspirated engine |
| 01/10/1989 | US4796430 Cam drive for cryogenic refrigerator |
| 01/03/1989 | US4794752 Vapor stirling heat machine |
| 01/03/1989 | CA1247872A1 Cryogenic refrigeration system with linear drive motors |
| 12/28/1988 | CA1247377A Stirling cycle machine |
| 12/27/1988 | US4794370 Peristaltic electrostatic binary device |
| 12/22/1988 | DE3815606A1 Gas-liquid heat engine |
| 12/20/1988 | US4792346 Method and apparatus for snubbing the movement of a free, gas-driven displacer in a cooling engine |
| 12/20/1988 | CA1247155A1 Long life vibration canceller having a gas spring |