| Patents for F02G 1 - Hot gas positive-displacement engine plants (5,884) |
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| 05/12/2004 | CN1496468A Improved efficiency thermoelectrics utilizing thermal isolation |
| 05/11/2004 | US6732515 Traveling-wave thermoacoustic engines with internal combustion |
| 05/06/2004 | US20040083731 Uncoupled, thermal-compressor, gas-turbine engine |
| 05/06/2004 | US20040083729 Power stroke engine |
| 05/06/2004 | DE10248785A1 Two-stroke hot gas motor has a cylinder with a double outer piston moving axially within it, and a double inner piston within the outer piston structure to give only two moving parts |
| 05/04/2004 | US6729131 Stirling engine |
| 04/27/2004 | US6725670 Thermoacoustic device |
| 04/22/2004 | US20040076214 High power density thermoelectric systems |
| 04/21/2004 | EP1411235A1 Two cycle hot gas engine with two movable parts |
| 04/14/2004 | EP1407129A1 Thermal improvements for an external combustion engine |
| 04/14/2004 | EP1208288A4 Dc centering of free piston machines |
| 04/14/2004 | EP0676094B1 Linear electrodynamic machine and method of using same |
| 04/08/2004 | WO2003093165A3 Thermal micro-actuator based on selective electrical excitation |
| 04/08/2004 | WO2003079042A3 Travelling-wave thermoacoustic engines with internal combustion and associated methods |
| 04/08/2004 | US20040065086 Small scale hybrid engine (SSHE) utilizing fossil fuels |
| 04/07/2004 | EP1404948A1 Assembly of gas expansion elements and a method for operating said assembly |
| 04/06/2004 | US6715313 Heat pump-driven external combustion engine |
| 04/06/2004 | US6715285 Stirling engine with high pressure fluid heat exchanger |
| 04/01/2004 | US20040060303 Densifier for simultaneous conditioning of two cryogenic liquids |
| 04/01/2004 | US20040060292 Rankine cycle device of internal combustion engine |
| 04/01/2004 | DE10300591A1 Device for generating electrical energy/regenerative thermal energy, uses second Stirling engine working as heat pump and driven by first Stirling engine and/or by electrical machine in motor mode |
| 03/31/2004 | EP1042637A4 Displacer assembly for stirling cycle system |
| 03/31/2004 | EP1012509A4 Synchronous twin reciprocating piston apparatus |
| 03/30/2004 | US6711905 Acoustically isolated heat exchanger for thermoacoustic engine |
| 03/30/2004 | CA2278227C Method and device for recuperating ambient thermal energy for vehicle equipped with an pollution-free engine with secondary compressed air |
| 03/25/2004 | US20040055292 AlphaCor alpha powered miniaturized power plant |
| 03/24/2004 | EP1400680A1 Stirling engine |
| 03/18/2004 | WO2004022962A1 Thermohydrodynamic power amplifier |
| 03/18/2004 | US20040050049 Heat engines and associated methods of producing mechanical energy and their application to vehicles |
| 03/18/2004 | US20040050046 Split four stroke engine |
| 03/18/2004 | US20040050044 Stirling engine |
| 03/18/2004 | US20040050043 On-board hydrogen gas production system for stirling engines |
| 03/18/2004 | DE10240924A1 Thermo-Hydrodynamischer Kraftverstärker Thermo-Hydrodynamic booster |
| 03/18/2004 | CA2497603A1 Thermohydrodynamic force amplifier |
| 03/17/2004 | CN1483130A 斯特林发动机 Stirling engine |
| 03/17/2004 | CN1483129A Heat exchanger element and heat exchanger member for a stirling cycle refrigerator and method of manufacturing such a heat exchanger member |
| 03/16/2004 | US6705081 System and method for sensor control of the fuel-air ratio in a burner |
| 03/11/2004 | WO2003098020A3 Gas turbine with stator shroud in the cavity beneath the chamber |
| 03/11/2004 | DE10219549B4 Freikolben-Verbrennungsvorrichtung mit elektrischem Lineartrieb Free-piston combustion device with electric linear drive |
| 03/10/2004 | CN1481492A Stirling refrigecating machine |
| 03/09/2004 | US6701721 Stirling engine driven heat pump with fluid interconnection |
| 03/09/2004 | US6701709 Cylindrical cam stirling engine drive |
| 03/09/2004 | US6701708 Moveable regenerator for stirling engines |
| 03/04/2004 | WO2004019379A2 Compact, high-efficiency thermoelectric systems |
| 03/04/2004 | WO2003026907A3 A very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power ni-mh battery pack |
| 03/04/2004 | US20040040297 Stirling motor and heat pump |
| 03/03/2004 | EP1392959A2 System and method for sensor control of the fuel-air ratio in a burner |
| 03/02/2004 | US6698200 Efficiency thermodynamic engine |
| 02/26/2004 | US20040035457 Miniature thermal device |
| 02/25/2004 | EP1391136A2 Matching an acoustic driver to an acoustic load in an acoustic resonant system |
| 02/25/2004 | CN1478191A Stirling cylic engine |
| 02/24/2004 | US6694731 Stirling engine thermal system improvements |
| 02/24/2004 | US6694730 Stirling cycle cryocooler with improved magnet ring assembly and gas bearings |
| 02/19/2004 | WO2004015261A1 A wall mounted domestic combined heat and power appliance |
| 02/19/2004 | US20040033140 Metering fuel pump |
| 02/19/2004 | US20040031859 Apparatus and method for combined generation of heat and electricity |
| 02/19/2004 | US20040031514 Thermoelectric power generation systems |
| 02/19/2004 | US20040031388 Hybrid reformer/fuel cell system service station using existing transportation fuel infrastructure without burdening the existing electric power infrastructure, while reducing the carbon dioxide |
| 02/19/2004 | CA2495645A1 A wall mounted domestic combined heat and power appliance |
| 02/18/2004 | CN1476523A Apparatus and method for combined generation of heat and electricity |
| 02/12/2004 | WO2004013466A1 Rankine cycle apparatus |
| 02/12/2004 | US20040026067 Heat exchanger for stirling refrigerating machine, heat exchanger body, and method of manufacturing heat exchanger body |
| 02/12/2004 | US20040025502 Stirling engine, and stirling refrigerator |
| 02/12/2004 | US20040025489 Fluidic-piston engine |
| 02/12/2004 | DE10234401A1 Regenerator for gaseous and liquid media and preferably for Stirling engine is constructed as cylindrical annular body with defined orientated structure through which flow can pass from both end sides in alternating fashion |
| 02/11/2004 | EP1388663A1 Stirling engine and actuator |
| 02/11/2004 | EP1075595B1 Improvements relating to rotary piston machines |
| 02/11/2004 | CN1138058C Supercritical back heat-heated engine |
| 02/10/2004 | US6688112 Thermoacoustic refrigeration device and method |
| 02/10/2004 | US6688048 Utilities container |
| 02/05/2004 | WO2004011777A1 Rankine cycle system |
| 02/05/2004 | US20040020217 Efficiency thermoelectrics utilizing convective heat flow |
| 02/05/2004 | US20040020199 Stirling engine and actuator |
| 02/05/2004 | DE10259071A1 Vehicle temperature control system, has drive motor and Stirling motor to drive respective compressor devices and fuel-operated heater assigned to Stirling motor for providing heating medium to heat hot area |
| 02/03/2004 | US6684637 Parallel slot heat exchanger |
| 02/03/2004 | CA2250224C Stirling engine |
| 01/22/2004 | US20040011069 Temperature control system for a vehicle |
| 01/22/2004 | DE10240347B3 Spiralerhitzer für Heißgasmotoren Spiralerhitzer for hot-gas engines |
| 01/21/2004 | EP1382851A1 Liquid pump and sealing arrangement with pump for circulating barrier liquid |
| 01/15/2004 | US20040008853 Electroactive polymer devices for moving fluid |
| 01/15/2004 | US20040006982 Heat transfer head for a stirling engine |
| 01/15/2004 | DE10229442A1 Wärmetauscher zur Abkühlung des Arbeitsgases eines Stirlingmotors Heat exchanger for cooling the working gas of a Stirling engine |
| 01/15/2004 | DE10227006A1 Heizeinrichtung und Verfahren zum Betreiben einer Heizeinrichtung Heating device and method of operating a heating device |
| 01/14/2004 | CN1134587C Pistion-free traveling-wave device |
| 01/08/2004 | US20040003712 Reduced weight guide link |
| 01/08/2004 | US20040003592 Hydrocarbon combustion power generation system with CO2 sequestration |
| 01/08/2004 | US20040003591 Regenerator for a Stirling engine |
| 01/08/2004 | DE10226772A1 Anordnung für Gelenkverbindungen mit Wälzlagern Arrangement for joints with ball bearings |
| 01/07/2004 | CN2597893Y Solar energy-gas mixed heat absorber |
| 01/06/2004 | US6672076 Having control system for input adjustments |
| 01/06/2004 | US6672063 Reciprocating hot air bottom cycle engine |
| 01/02/2004 | EP1375891A1 Intake manifold for a stirling engine |
| 01/02/2004 | EP1373702A1 Tortuous path exhaust eductor system |
| 12/31/2003 | WO2004001303A1 Pressure vibration generator |
| 12/31/2003 | CN1132995C 发动机的阀装置 Engine valve device |
| 12/30/2003 | US6668809 Stationary regenerator, regenerated, reciprocating engine |
| 12/25/2003 | US20030233826 Method and apparatus for generating kinetic energy from thermal energy |
| 12/24/2003 | WO2003106206A1 Method and system for hydrogen powered internal combustion engine |
| 12/23/2003 | US6666796 Walking assisting apparatus |
| 12/18/2003 | WO2003104726A1 Improved thermoelectric power generation systems |