| 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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| 03/10/1998 | US5724814 Vapor force engine |
| 02/25/1998 | EP0824653A1 Effluent gas treatment |
| 02/24/1998 | US5720799 Multistage two-phase turbine |
| 02/19/1998 | WO1998006791A1 Pentafluoropropanes and hexafluoropropanes as working fluids for power generation |
| 02/12/1998 | WO1998005849A1 Method for converting the energy produced by the chaotic movement of micro-particles into energy produced by the coherent movement of particles having a rest mass |
| 02/11/1998 | EP0823542A1 Process for preventing corrosion of heating surfaces |
| 02/10/1998 | US5715682 Combined-cycle power generation system using waste matter as fuel |
| 02/10/1998 | US5715673 Reduced pollution power generation system |
| 02/10/1998 | US5715671 Clean power generation using IGCC process |
| 01/22/1998 | DE19630559A1 Device for using energy of heating system of households |
| 01/21/1998 | EP0819237A1 Heat pipe with improved energy transfer |
| 01/20/1998 | US5709077 Reduce pollution hydrocarbon combustion gas generator |
| 12/24/1997 | WO1997048887A1 Power generating device employing hydrogen absorbing alloy and low heat |
| 12/17/1997 | EP0812378A1 Preheated injection turbine cycle |
| 12/17/1997 | CN1167867A 砖支撑件 Brick support |
| 12/09/1997 | US5694773 Closed cycle gas turbine engine and mechanical system driven thereby |
| 12/09/1997 | CA2142289C Method and apparatus for increasing efficiency and productivity in a power generation cycle |
| 11/26/1997 | CN1165909A Converting heat into useful energy |
| 11/18/1997 | US5687559 Hydrogen-combustion gas turbine plant |
| 11/12/1997 | EP0805909A1 Hybrid two-phase turbine |
| 10/22/1997 | EP0655101B1 Method and apparatus for increasing efficiency and productivity in a power generation cycle |
| 10/15/1997 | EP0801186A1 Brick support |
| 09/30/1997 | US5671601 Geothermal power plant operating on high pressure geothermal fluid |
| 09/17/1997 | EP0749521B1 Process for the low-pollutant conversion of fossil fuels into power |
| 09/09/1997 | US5664420 Multistage two-phase turbine |
| 09/04/1997 | WO1997032114A1 Cyclic-operation heat engine |
| 09/03/1997 | EP0750718B1 Method of operating a gas and steam turbine installation and installation operating according to said method |
| 08/28/1997 | WO1997031184A1 Hydrogen fueled power plant with recuperation |
| 08/28/1997 | DE19608300A1 Mit einem Kreisprozeß arbeitende Wärmekraftmaschine With a cycle process heat engine |
| 08/28/1997 | CA2247197A1 Hydrogen fueled power plant with recuperation |
| 08/26/1997 | US5660042 Geothermal power plant |
| 08/21/1997 | DE19617361C1 Flow machine for production of mechanical work from heat energy |
| 08/20/1997 | EP0790391A2 Converting heat into useful energy |
| 08/19/1997 | US5659205 Hydraulic turbine power generator incorporating axial thrust equalization means |
| 08/07/1997 | WO1997028354A1 Deriving mechanical power by expanding a liquid to its vapour |
| 08/06/1997 | EP0787891A2 Deriving mechanical power by expanding a liquid to its vapour |
| 07/30/1997 | EP0786590A1 Combined-cycle power generation system using waste matter as fuel |
| 07/24/1997 | WO1997026491A1 Remora ii refrigeration process |
| 07/22/1997 | US5649426 Method and apparatus for implementing a thermodynamic cycle |
| 07/22/1997 | US5649425 Turboexpander pump unit |
| 07/16/1997 | EP0784156A2 Submerged hydraulic turbine-generator |
| 07/08/1997 | US5644911 Hydrogen-fueled semi-closed steam turbine power plant |
| 06/18/1997 | EP0778917A1 Low-temperature engine |
| 06/17/1997 | US5638673 Method and apparatus using hydrogen-occluded alloy for recovering power from waste heat |
| 06/11/1997 | EP0560956B1 Oscillating piston motor and installation with an oscillating piston motor |
| 06/04/1997 | EP0776412A1 Steam generator and steam turbine driving unit for the use of gaseous propellant, especially hydrogen |
| 06/03/1997 | US5634341 System for generating hydrogen |
| 05/28/1997 | EP0775250A1 Low-temperature heat engine |
| 05/28/1997 | EP0575406B1 Improved clean power generation |
| 05/21/1997 | EP0774062A1 A heat engine and heat pump |
| 05/15/1997 | WO1997017585A1 Rotatable heat transfer apparatus |
| 05/15/1997 | DE19545312A1 Method of recovering useful energy in turbines |
| 04/23/1997 | CN1148135A Method and internal circulation apparatus for low temp. liquid used as working fluid of engines |
| 04/17/1997 | WO1997013961A1 Power generating system by use of fluid |
| 04/17/1997 | DE19527882A1 Energy storage using liquefied air e.g. for powering vehicles, air conditioning engineering and storage of off-peak electricity |
| 04/08/1997 | US5617738 Energy converter |
| 03/25/1997 | US5613362 Equilibrium pressure shifting; dissociation |
| 03/12/1997 | EP0593525B1 Power plant based on the orc process and method of operating said power plant |
| 03/04/1997 | US5606859 Integrated steam motor |
| 02/26/1997 | CN1143993A Method of operating gas and steam turbine installation and installation operating according to said method |
| 02/26/1997 | CN1143714A Thermodynamic power generation system employing three component working fluid |
| 02/20/1997 | WO1997006352A1 Hydrogen-fueled semi-closed steam turbine power plant |
| 02/20/1997 | CA2229178A1 Hydrogen-fueled semi-closed steam turbine power plant |
| 01/29/1997 | EP0756069A2 Thermodynamic power generation system employing a three component working fluid |
| 01/09/1997 | WO1997001021A1 Method and apparatus for generating power from low temperature source |
| 01/03/1997 | WO1997000373A1 Method of converting thermal energy to mechanical energy |
| 01/02/1997 | EP0750718A1 Method of operating a gas and steam turbine installation and installation operating according to said method |
| 01/01/1997 | CN1139182A Power producing method and equipment using low-temp energy source |
| 12/31/1996 | US5588297 Thermal power generator |
| 12/27/1996 | EP0749521A1 Process for the low-pollutant conversion of fossil fuels into power |
| 12/19/1996 | WO1996041078A1 Multistage two-phase turbine |
| 12/12/1996 | WO1996039595A1 Effluent gas treatment |
| 12/11/1996 | CN1137818A Steam generator and steam turbine driving unit for use gaseous propellant, especially hydrogen |
| 12/11/1996 | CN1033530C Method and device for generating power by carboniferous fuel |
| 11/21/1996 | DE19517897A1 Method of converting thermal energy into mechanical one |
| 11/20/1996 | EP0743427A2 Method and apparatus for converting thermal energy into electric power |
| 11/20/1996 | EP0587607B1 Energy supply system |
| 11/12/1996 | US5572871 System and apparatus for conversion of thermal energy into mechanical and electrical power |
| 11/05/1996 | US5570579 Method and apparatus for improving the efficiency of a small-size power plant based on the ORC process |
| 10/30/1996 | EP0740052A2 Method and apparatus for implementing a thermodynamic cycle |
| 10/10/1996 | WO1996031750A1 Heat pipe with improved energy transfer |
| 10/01/1996 | US5560210 Rankine cycle power plant utilizing an organ fluid and method for using the same |
| 09/24/1996 | US5557936 Thermodynamic power generation system employing a three component working fluid |
| 09/17/1996 | US5555738 Ammonia absorption refrigeration cycle for combined cycle power plant |
| 09/17/1996 | US5555731 Preheated injection turbine system |
| 09/12/1996 | WO1996027739A1 Improved rankine engine power systems |
| 09/11/1996 | CN1130932A Vapor force engine |
| 09/06/1996 | WO1996027075A1 Preheated injection turbine cycle |
| 08/27/1996 | US5548958 Waste heat recovery system |
| 08/27/1996 | US5548957 Recovery of power from low level heat sources |
| 08/14/1996 | CN1128856A Ammonia absorption circulation used for combined circulation power apparatus |
| 08/14/1996 | CN1128842A Energy conversion mechanism |
| 08/01/1996 | WO1996023129A1 Hybrid two-phase turbine |
| 07/17/1996 | CN1032325C Ranking cycle power plant utilizing organic fluid and method for using same |
| 07/17/1996 | CN1032324C Method and apparatus for converting low temperature heat to electric power |
| 07/16/1996 | CA2088947C Hydrogen fuelled gas turbine |
| 07/02/1996 | US5531073 Rankine cycle power plant utilizing organic working fluid |
| 06/18/1996 | US5526646 Method of and apparatus for producing work from a source of high pressure, two phase geothermal fluid |
| 06/18/1996 | CA2033462C Engine system using refrigerant fluid |
| 06/13/1996 | WO1996007024A3 Reduced pollution power generation system and gas generator therefore |