| Patents for F02G 1 - Hot gas positive-displacement engine plants (5,884) |
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| 11/11/1993 | DE4317690A1 Hot gas motor working on Stirling motor principle - has conventional rotating piston air engine, compressor, and heat exchangers, connected by common shaft to form closed gas circuit |
| 11/09/1993 | US5259197 Compression type heat pump |
| 10/28/1993 | WO1993021475A1 Method and device for production of energy |
| 10/26/1993 | US5256172 Separation of gas mixtures with energy recovery, utilization |
| 10/19/1993 | US5253473 Heat regenerative external combustion engine |
| 10/14/1993 | WO1993020333A1 Liquid-ring machine |
| 10/12/1993 | US5251448 Heat machine |
| 10/06/1993 | EP0563237A1 Hollow electrical conductor coolable to extremely low temperatures, and a method of using it. |
| 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 | DE4308829A1 Solar-powered motor - has two rotating tubes within barrel housing, and airgap of one tube divided into compression and expansion chambers |
| 09/16/1993 | WO1993018354A1 Externally heated, regenerative heating and refrigerating machine |
| 09/16/1993 | WO1993018291A1 Liquid piston heat engine |
| 09/16/1993 | DE4206958A1 Refrigerator-heat=pump using Vuilleumier cycle - has two pistons inside pressure-tight cylinder with movement of piston rods controlled by electromagnets and springs |
| 09/16/1993 | DE4206957A1 Aussenbeheizte, regenerative, nach dem vuilleumier-kreisprozess arbeitende waerme- und kaeltemaschine Externally heated regenerative, after Vuilleumier cycle working-heat and kaeltemaschine |
| 09/07/1993 | US5241861 Micromachined rate and acceleration sensor |
| 09/07/1993 | US5241824 For efficiency recovery of thermal, visible and ultraviolet energy from solar radiation |
| 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 | DE4307211A1 Rotary displacement Stirling engine - has rotating compressor, mounted on crank shaft, and working piston with rear pressure charging |
| 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 |
| 08/12/1993 | DE4203438A1 Energy-saving thermal generation plant - has electricity generated by steam engine-generator and IC engine-generator with heat exchange between water and freon cycles |
| 08/05/1993 | DE4243822A1 Power unit using low temp. heat energy - produces mechanical energy using control sequence based on Mollier diagram for carbon di:oxide |
| 07/29/1993 | DE4201975A1 Heat engine power source - provides mechanical work solely by extraction of heat from fluid |
| 07/28/1993 | EP0348405B1 Motion transmitting mechanism |
| 07/22/1993 | WO1993014409A1 Micromachined rate and acceleration sensor |
| 07/21/1993 | EP0551983A2 Heat regenerative material |
| 07/20/1993 | US5228293 Low temperature solar-to-electric power conversion system |
| 07/20/1993 | CA1320481C Thermomechanical electrical generator/power supply for a downhole tool |
| 07/06/1993 | US5224657 Coolant gases, grinding a magnetic material, screening and ball milling |
| 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 |
| 06/08/1993 | US5216899 Rotating single cycle two-phase thermally activated heat pump |
| 06/01/1993 | US5214923 Vuilleumier heat pump |
| 05/26/1993 | EP0543132A1 Stirling engine |
| 05/19/1993 | EP0541616A1 ECHO-VOLUMAR IMAGING USING 180o RF PULSES |
| 05/19/1993 | CN1020798C Drying apparatus with pulse combustion device |
| 05/18/1993 | US5211017 External combustion rotary engine |
| 05/13/1993 | WO1993009340A1 Improvements in engines including gas expansion actuated piston and cylinder devices |
| 04/28/1993 | CN1071500A 脉冲燃烧能量系统 Pulse combustion energy system |
| 04/22/1993 | DE4234678A1 Oscillation pipe refrigeration machine - has radiator, regenerator, heat absorber and oscillation pipe between compression and expansion spaces |
| 04/20/1993 | US5203170 Stirling engine generating system |
| 04/15/1993 | WO1993007425A1 Heat pump system and heat pump device using a constant flow reverse stirling cycle |
| 04/15/1993 | WO1993007374A1 Rotary stirling cycle engine |
| 04/08/1993 | DE4133068C1 Stirling engine with diaphragm pistons - has diaphragms operating in quadrature at hot and cold ends connected by regenerator |
| 04/07/1993 | EP0515559A4 Stirling free piston cryocoolers |
| 04/06/1993 | US5199722 Seal assembly for stirling engine |
| 03/24/1993 | CN2128674Y Arc pressure generator |
| 03/23/1993 | US5195321 Liquid piston heat engine |
| 03/23/1993 | US5195320 Piston-cylinder assembly particularly useful in stirling cycle machines |
| 03/17/1993 | EP0252137B1 Installation for harnessing thermal energy |
| 03/17/1993 | CN1020123C Air distribution piston type Stirling engine |
| 02/24/1993 | EP0527993A1 Externally heated, regenerative hot and cold machine. |
| 02/24/1993 | EP0527816A1 Stirling engines. |
| 02/18/1993 | DE4213369A1 Heat power machine with external combustion - uses rotating compressor in each of two hollow cylindrical sections fillable with gaseous medium |
| 02/17/1993 | CA2049426A1 "s-a-v-e" (the short-aspirated-vortex-engine) |
| 02/16/1993 | US5186001 For providing motion at a high repetitive rate |
| 02/04/1993 | DE4126067A1 Piston type heat engine |
| 02/03/1993 | EP0525017A1 Stirling engines. |
| 02/02/1993 | US5182912 Fluid absorption receiver for solar radiation |
| 01/28/1993 | DE4124729A1 Thermo-hydraulic work or heat machine operated by external heat supply - works with compressed gas and has working cylinder and movable displacement piston whose working volume, can be held at higher or lower temp. |
| 01/26/1993 | US5181387 Air conditioning apparatus |
| 01/26/1993 | US5181385 Cryostat and nuclear magnetic resonance imaging apparatus including a cryostat |
| 01/21/1993 | DE4123665A1 Method to convert heat into work, using Stirling engine - uses temp. differential to generate gas volume differential, and produce work output |
| 01/21/1993 | DE4123101A1 Hot gas double chamber engine - has semi-cylindrical displacement body, turnable about axis |
| 01/20/1993 | EP0523871A1 Vacuum vessel having a cooled member |
| 01/19/1993 | US5180939 Mechanically commutated linear alternator |
| 01/14/1993 | DE4129330A1 Hydrogen@ prodn. in vehicle using stirling engine - to convert IC engine waste heat into electrical energy for water electrolyser |
| 01/12/1993 | US5177968 Radial hot gas engine |
| 12/29/1992 | US5174130 Refrigeration system having standing wave compressor |
| 12/29/1992 | US5174117 Free piston Stirling engine |
| 12/29/1992 | US5174116 Displacer-type Stirling engine |
| 12/23/1992 | CN1067307A Control of stirling cooler displacement by pulse width modulation of drive motor voltage |
| 12/22/1992 | US5172784 Hybrid electric propulsion system |
| 12/10/1992 | DE4118350A1 Piston type heat engine |
| 12/02/1992 | EP0516258A2 Heat engine |
| 12/02/1992 | EP0515559A1 Stirling free piston cryocoolers |
| 11/26/1992 | WO1992020978A1 Control of stirling cooler displacement by pulse width modulation of drive motor voltage |
| 11/12/1992 | WO1992019855A1 Relative gas spring configuration free-piston stirling cycle system |
| 11/10/1992 | US5161374 Hot gas engine with tubular radial flow regenerators |
| 10/29/1992 | WO1992018346A1 Hybrid electric propulsion system |
| 10/29/1992 | DE4129772A1 Thermodynamic machine with external combustion - uses hollow cylindrical gas-filled spaced coupled via heat exchanger containing rotating displacement devices |
| 10/20/1992 | US5156005 Control of stirling cooler displacement by pulse width modulation of drive motor voltage |
| 10/14/1992 | EP0508830A2 Cryogenic refrigerator |
| 09/23/1992 | EP0505039A1 Heat machine |
| 09/17/1992 | WO1992015826A1 Externally heated, regenerative hot and cold machine |
| 09/15/1992 | US5148066 Thermomechanical transducer |
| 09/15/1992 | US5146750 Magnetoelectric resonance engine |
| 09/15/1992 | US5146749 Balancing technique for Ross-type stirling and other machines |
| 09/10/1992 | DE4107092A1 Aussenbeheizte, regenerative waerme- und kaeltemaschine Externally heated regenerative-heat and kaeltemaschine |
| 09/08/1992 | US5146123 Linear reciprocating alternator |
| 09/03/1992 | WO1992006281A3 Process and devices for the free mutual conversion of heat and work and for the approximate exchange of the temperatures of two heat carriers by heat transfer |
| 09/02/1992 | CN1064135A Stirling-machine |
| 09/02/1992 | CN1064132A Stirling engine |
| 09/01/1992 | US5142884 Spacecraft adsorption thermal storage device using a vapor compression heat pump |
| 09/01/1992 | US5142872 Laboratory freezer appliance |
| 08/25/1992 | US5140905 Stabilizing gas bearing in free piston machines |
| 08/20/1992 | WO1992014160A1 Micromachined rate and acceleration sensor |
| 08/18/1992 | US5139242 Linear suspension device |
| 08/13/1992 | DE4103623A1 Rotary pump for Stirling engine - is driven by out of contact EM drive |
| 08/12/1992 | EP0265490A4 Pulse combustion energy system |
| 08/05/1992 | EP0339034B1 Rotary piston machine with sealing elements |