| Patents for F01K 25 - Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for (4,827) |
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| 08/20/2002 | US6434941 Ordinary temperature heat engine |
| 08/15/2002 | WO2002063141A1 A method of converting thermal energy into mechanical work |
| 08/15/2002 | US20020108372 Method of and apparatus for producing uninterruptible power |
| 08/08/2002 | US20020104697 Hydrogen engine, power drive system and vehicle driven thereby |
| 08/07/2002 | EP1229225A2 Hydrogen engine, power drive system and vehicle driven thereby |
| 08/07/2002 | EP1030960B1 Fast power regulating process for a steam generating power plant and steam generating power plant |
| 07/31/2002 | EP0931205A4 Method and system of converting thermal energy into a useful form |
| 07/25/2002 | US20020095938 Systems and methods for harvesting energy from direct iron-making off gases |
| 07/25/2002 | DE10100714C1 Pressure chamber for thermal energy machine has movable boundary wall with membrane supported by support element forming bridge with stationary wall of pressure chamber |
| 07/11/2002 | WO2002053879A1 Method for convertion of heat |
| 07/11/2002 | DE10133153C1 Gas expansion units, to convert thermal energy into motor energy as a hot water motor, has closed pressure vessels with injection openings for hot and cold water, and a short circuit pipe between them for pressure compensation |
| 07/11/2002 | DE10064270A1 Verfahren zum Betrieb einer Gasturbinenanlage sowie eine diesbezügliche Gasturbinenanlage Method for operating a gas turbine plant and a related gas turbine plant |
| 07/11/2002 | CA2433482A1 Method for convertion of heat |
| 07/03/2002 | EP1219800A2 Gas turbine cycle |
| 06/26/2002 | CN1355376A Micro system energy driver doing work by expansion of low-temp medium |
| 06/25/2002 | US6408613 High temperature, high pressure vaporizer to power a multi-cylinder expansion engine |
| 06/20/2002 | DE10056231A1 Verfahren zum Betrieb eines Kombikraftwerks Method for operating a combined cycle power plant |
| 06/20/2002 | CA2434371A1 Molecular kinetic energy conversion device |
| 06/13/2002 | US20020069665 Absorption cycle with integrated heating system |
| 06/06/2002 | US20020066270 Generated system bottoming cycle |
| 06/04/2002 | US6397600 Closed loop fluorocarbon circuit for efficient power generation |
| 05/28/2002 | US6393840 Thermal energy retrieval system for internal combustion engines |
| 05/16/2002 | WO2002038919A1 Method for starting up and loading a combined power plant |
| 05/08/2002 | DE10052414A1 Operating energy converter involves reducing working fluid flow through regenerator by branching on condenser output side, feeding thermal energy is separately to branched sub-flow |
| 05/02/2002 | EP1200714A1 Fundaments and system for generating power and potable water |
| 05/02/2002 | DE10052993A1 Process for converting thermal energy into mechanical energy in a thermal engine comprises passing a working medium through an expansion phase to expand the medium, and then passing |
| 04/25/2002 | WO2002033332A1 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current |
| 04/25/2002 | CA2424753A1 Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially for current gerneration |
| 04/16/2002 | US6370878 Recovering heat from fuel cell exhaust |
| 04/10/2002 | CN1082607C Steam generator and steam turbine driving unit for use gaseous propellant, esp, hydrogen |
| 04/09/2002 | US6367265 Vaporizer for a low temperature liquid |
| 04/03/2002 | CN1342830A Method and equipment for realizing thermal circuit |
| 03/28/2002 | WO2002025079A1 Hydrogen fueled power plant system |
| 03/28/2002 | WO2001083962A8 Engine cycle and fuels for same |
| 03/19/2002 | US6358015 Method and apparatus for improving fluid flow and aerating liquids |
| 03/14/2002 | DE10039989A1 Non-conventional energy source power generation method using heat e.g. solar energy, involves heating coolant for expansion to rise in riser pipe and making liquid fall in falling tube to drive turbine |
| 02/28/2002 | DE10039246A1 Verfahren zur Umwandlung von thermischer Energie in mechanische Arbeit A method for converting thermal energy into mechanical work |
| 02/26/2002 | US6349787 Vehicle having a turbine engine and a flywheel powered by liquid nitrogen |
| 02/21/2002 | WO2002014663A1 Method for converting thermal energy into mechanical work |
| 02/21/2002 | DE10055202A1 Electrical generation steam cycle with increased efficiency, branches off working fluid and condenses it for cooling during expansion process |
| 02/19/2002 | US6347520 Method for Kalina combined cycle power plant with district heating capability |
| 02/13/2002 | EP1179118A1 Refrigerating power machine |
| 02/07/2002 | WO2002010557A1 Power generator using hydrogen storage alloy and medium/low temperature heat |
| 02/07/2002 | DE10033604A1 Method of converting heat into mechanical energy includes feed of mixture of low boiling point working medium and high boiling point liquid so that fluid mixture is fed into high pressure or medium pressure evaporation chamber |
| 01/24/2002 | US20020007644 Thermodynamic cycle using hydrostatic head for compression |
| 01/24/2002 | US20020007636 Thermal energy retrieval system for internal combustion engines |
| 01/23/2002 | CN1332312A Heat utilizing method and device |
| 01/10/2002 | US20020002827 Clean air engines for transportation and other power applications |
| 01/10/2002 | DE10031491A1 Multiple energy generation/storage/supply system uses solar/ambient heat energy recovery in decentralized system with absorber/heat exchanger-turbine-low temperature cooling systems |
| 01/01/2002 | CA2230317C Low temperature hydrogen combustion turbine |
| 12/26/2001 | CN1076813C Apparatus and method for producing working medium for power installation especially electricity generating installation |
| 12/26/2001 | CN1076812C 废热锅炉 Waste heat boiler |
| 12/13/2001 | WO2001094757A1 Absorption power cycle with two pumped absorbers |
| 12/06/2001 | WO2001092701A1 Heat engines and associated methods of producing mechanical energy and their application to vehicles |
| 12/06/2001 | DE10126403A1 Power station has carbon dioxide circuit, forward line with turbine(s) or piston engine(s), return line with pressure build-up device(s); forward and return lines form closed liquid circuit |
| 12/06/2001 | CA2410952A1 Heat engines and associated methods of producing mechanical energy and their application to vehicles |
| 12/05/2001 | CN1075874C Thermal energy generator |
| 11/13/2001 | US6314738 Multistage two-phase turbine |
| 11/13/2001 | US6314732 Hydrogen fueled power plant system |
| 11/08/2001 | WO2001083962A1 Engine cycle and fuels for same |
| 11/07/2001 | EP1151182A1 Energy extractor |
| 10/16/2001 | US6301895 Method for closed-loop output control of a steam power plant, and steam power plant |
| 10/11/2001 | WO2001075290A1 An engine |
| 10/11/2001 | US20010027652 High efficiency turbine |
| 10/11/2001 | CA2404259A1 An engine |
| 10/10/2001 | CN1072766C Liquified gas supply device |
| 10/09/2001 | US6298665 Power generating device employing hydrogen absorbing alloys and low heat |
| 10/02/2001 | US6295827 Thermodynamic cycle using hydrostatic head for compression |
| 09/26/2001 | EP1135579A1 Ambient temperature sensitive heat engine cycle |
| 09/20/2001 | WO2001069048A1 Energy conversion system |
| 09/19/2001 | CN1071398C Thermodynamic power generation system employing three component working fluid |
| 09/13/2001 | DE10010920A1 Method and device are for conversion of low temperature heat energy into mechanical energy with heat transmission and heat pump work circuit feeds |
| 09/13/2001 | DE10007865A1 Electrical energy generation system uses gas released from pressurized gas capsule for driving electromechanical turbine/generator stage |
| 09/07/2001 | WO2001065101A1 Thermal energy retrieval system for internal combustion engines |
| 09/04/2001 | US6282883 Hydrogen burning turbine plant |
| 08/30/2001 | WO2001063099A1 Engines driven by liquified or compressed gas |
| 08/23/2001 | DE10008125A1 Vorrichtung zur Energieumwandlung mittels eines kombinierten Gasturbinen-Dampfkreisprozesses An energy conversion by means of a combined gas turbine-steam cycle |
| 08/23/2001 | DE10008123A1 Vorrichtung zur Energieumwandlung auf der Basis von thermischen ORC-Kreisprozessen Device for energy conversion on the basis of thermal ORC process |
| 08/09/2001 | WO2001057379A1 Integrated gasification combined cycle power plant with kalina bottoming cycle |
| 08/07/2001 | US6269644 Absorption power cycle with two pumped absorbers |
| 07/24/2001 | US6263675 Technique for controlling DCSS condensate levels in a Kalina cycle power generation system |
| 07/24/2001 | US6263568 Retrofitting coal-fired power generation systems with hydrogen combustors |
| 07/12/2001 | DE10065899A1 Production of ecologically clean fuel and raw materials in ecologically clean manner involves deriving oxygen and hydrogen from water using electrical energy from wind power |
| 07/11/2001 | EP1115169A2 Electrochemical cell engine |
| 07/06/2001 | CA2323117A1 Electrochemical engine |
| 07/03/2001 | US6253552 Fluidized bed for kalina cycle power generation system |
| 06/26/2001 | US6250078 Engine cycle and fuels for same |
| 06/21/2001 | WO2001044658A1 Heat engine |
| 06/21/2001 | CA2394202A1 Heat engine |
| 06/19/2001 | US6247316 Clean air engines for transportation and other power applications |
| 06/14/2001 | WO2001042132A1 Hydrogen production from carbonaceous material |
| 06/14/2001 | CA2394070A1 Hydrogen production from carbonaceous material |
| 06/13/2001 | CN1067138C Method and apparatus for heat circulation |
| 06/06/2001 | CN1066815C Energy conversion mechanism |
| 05/31/2001 | DE10007685A1 Power station with CO2 liquid as working medium has integral fluid circuit of feed pipe with turbine driving generator, and return pipe with pressure build-up unit |
| 05/22/2001 | US6233942 Condensing turbine |
| 05/22/2001 | US6233938 Rankine cycle and working fluid therefor |
| 05/16/2001 | CN1295647A Producing power from liquefied natural gas |
| 05/16/2001 | CN1295646A Producing power from pressurized liquefied natural gas |
| 05/15/2001 | US6232679 Electricity generator and heat source for vehicles |