Patents
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)
10/2008
10/21/2008CA2529709C A process for energy recovery in processes for the preparation of aromatic carboxylic acids
10/16/2008WO2008031716A3 Steam circuit process with improved energy utilisation
10/16/2008DE102007017685A1 Generation of electrical energy in thermal power stations, involves replacing water by another process medium with a lower heat of condensation and-or a lower condensation temperature
10/15/2008CN101285407A Power machine powered by thermal expansion
10/15/2008CN101285399A Electric energy steam engine
10/09/2008US20080245068 Method and apparatus for energy harvesting through phase-change induced pressure rise under cooling conditions
10/09/2008DE102007016557A1 Nutzung von Abwärme aus Verbrennungsmotoren zur Stromerzeugung Use of waste heat from internal combustion engines to generate electricity
10/08/2008EP1978230A2 Thermal energy device, in particular for using low temperature heat sources
10/08/2008CN201129277Y Air, solar-energy motor
10/08/2008CN101283162A Working fluid for an ORC process, ORC process and ORC apparatus
10/08/2008CN101280770A Technological flow of sea water heat energy power generation, distilled water producing plant with lower generating cost than fire power generate electricity
10/08/2008CN101280769A Technological flow of rigidity heat energy power generation with lower generating cost than fire power generate electricity
10/08/2008CN101280696A Solar energy and residual heat combining generate electricity process flow with lower generating cost than fire power
10/02/2008WO2008116667A1 An engine system
10/02/2008WO2008094057A3 Coabsorbent cycles heat pumping and mechanical work producing procedure and applying installation
10/02/2008US20080236516 Water recirculation system for boiler backend gas temperature control
10/02/2008US20080236160 Continuous flow sonic reactor
10/01/2008CN201125751Y Power generation system using low temperature heat power supply or environment heat power supply to generate power
10/01/2008CN101278105A Cooling apparatus for air conditioning and heat pumps
10/01/2008CN101275473A Technological flows of solar energy, sea water temperature, residual heat combining generate electricity, heat supply, water supply and distilled water supplying plant
10/01/2008CN101275472A Technological flow of low temperature solar energy heat power generating plant with lower generating cost than fire power generate electricity
10/01/2008CN101275471A Solar energy and residual heat combining generate electricity technological flow with lower generating cost than fire power generate electricity
10/01/2008CN100422511C Startup and control methods for an ORC bottoming plant
09/2008
09/30/2008US7428816 Working fluids for thermal energy conversion of waste heat from fuel cells using Rankine cycle systems
09/25/2008US20080229748 Power generator with high pressure hydrogen generator
09/25/2008US20080229747 External combustion engine
09/24/2008CN101270737A Low heat thermoelectric generator
09/24/2008CN101270735A Corrosion resistant multifunctional vacuum circulated water warehouse of novel geothermic power generation plant
09/24/2008CN101270677A Supercritical pressure vat of solar power plant
09/18/2008WO2007131943A3 Conversion of heat into mechanical energy by means of a jet compressor
09/18/2008US20080223044 Injection Apparatus for Cryogenic Engines
09/18/2008US20080223033 External combustion engine
09/18/2008DE102007013137A1 Heat pump i.e. hermetic steam-rotor, has double-walled cylinder, where pump is induced by decreasing moment of inertia of working fluid and associated angular acceleration in path of fluid from cylinder's periphery to cylinder's rotary axis
09/18/2008DE102007013136A1 Thermal engine i.e. hermetic heron damping rotor, has left radial tube on cold side of engine that produces evaporating pressure of working fluid by liquid column serving as compressor by centrifugal force and sealing difference
09/18/2008DE102007009503A1 Mehrstufiger ORC-Kreislauf mit Zwischenenthitzung Multilevel ORC cycle with Zwischenenthitzung
09/12/2008WO2008108436A1 Power generation system
09/12/2008WO2008108435A1 Circulating internal pressure engine and power generation system
09/12/2008WO2008108434A1 Circulating internal pressure engine and power generation system
09/12/2008WO2008108433A1 Power generation system
09/12/2008WO2008108432A1 Circulating internal pressure engine and power generation system
09/11/2008US20080216479 Closed loop expandable gas circuit for power generation
09/11/2008DE10244677B4 Kondensator für Arbeitsmaschinen Capacitor for working machines
09/10/2008EP1966559A1 Method of heating and/or evaporating an organic medium and a heat exchanger unit for recovering heat from a hot gas flow
09/10/2008CN101263280A Engines driven by liquefied gas
09/04/2008DE102008007726A1 Abgaswärme-Rückgewinnungssystem Exhaust heat recovery system
09/03/2008CN101255807A Small temperature difference-normal temperature area gas wheel high-efficiency heat energy converting machine
09/03/2008CN101255806A Method and system for inverting highly effective thermoelectricity of non-water working medium
08/2008
08/28/2008DE102008008682A1 Vorrichtung zur Abgaswärmerückgewinnung Apparatus for exhaust heat recovery
08/27/2008CN101253310A Rotary displacement type steam engine
08/21/2008WO2008048366A3 Plasma-vortex engine and method of operation therefor
08/21/2008US20080196412 Engine
08/20/2008CN101248253A Cascade connection organic Rankine cycle using waste heat
08/19/2008US7412947 Internal combustion engine system with hydrogen generation capability
08/14/2008US20080190106 Configurations and Methods for Power Generation with Integrated Lng Regasification
08/13/2008CN101240780A Supercritical CO2 turbine for use in solar power plants
08/12/2008US7409830 Fuel-cell actuated mechanical device
08/07/2008WO2007117417A3 Improved external combustion engine
08/06/2008CN101238322A Configurations and methods for power generation in lng regasification terminals
08/06/2008CN100408940C Waste heat solar energy system
08/05/2008CA2418842C Method for converting thermal energy into mechanical work
07/2008
07/31/2008WO2007088194A3 Organic rankine cycle (orc) turbogenerator
07/31/2008US20080178594 Engine for generating mechanical energy
07/24/2008WO2008088235A1 Method for operating multiloop, cascade power generating cycles using selective membranes
07/23/2008CN100404800C Thermodynamic device with low-temperature heat source and working method thereof
07/17/2008WO2008055720A3 Working medium for steam circuit process
07/17/2008US20080168772 Cascaded Organic Rankine Cycles for Waste Heat Utilization
07/15/2008US7398651 Cascade power system
07/10/2008WO2007115769A3 Piston steam engine having internal flash vapourisation of a working medium
07/10/2008US20080163625 Apparatus and method for producing sustainable power and heat
07/09/2008CN101216020A Multilevel solar energy middle and low temperature Rankine cycle system
07/09/2008CN100400803C Vapour compression refrigerant cycle system with refrigeration cycle and Rankine cycle
07/03/2008WO2008078436A1 Cement burning plant waste heat power generation system
07/03/2008WO2008036814A3 Systems and methods for generating electricity using a stirling engine
07/03/2008US20080155984 Reducing capital and operational costs; lower temperature natural gas conversion; recycling heat; retrofits to current installations
07/02/2008CN201080835Y Temperature differential generator
06/2008
06/26/2008DE10356738B4 Verfahren und Vorrichtung zur Erzeugung mechanischer Energie Method and apparatus for generating mechanical energy
06/26/2008DE102006060729A1 Power generating system, has power generating device that has steam generation unit, generator for power generation and cycle with fluid, which operationally connects steam generation unit and generator
06/25/2008EP1936129A2 Method and apparatus of converting heat to useful energy
06/25/2008EP1934435A1 Cooling apparatus for air conditioning and heat pumps
06/25/2008EP1869293A4 Cascaded organic rankine cycles for waste heat utilization
06/25/2008EP1723313A4 Power generation methods and systems
06/19/2008US20080145725 Fuel preparation unit and method for preparing a fuel that contains hydrogen
06/19/2008US20080141673 System and method for power generation in rankine cycle
06/19/2008DE102006060250A1 Verfahren und eine Vorrichtung zur Dampferzeugung in Dampfkraftwerken, bei dem kaltes Kondensat und/oder Verbrennungsluft vor der Dampferzeugung vorgewärmt wird Method and apparatus for generating steam in steam power stations, wherein the cold condensate and / or combustion air is preheated prior to the steam generation
06/18/2008EP1723314A4 Method of power generation from pressure control stations of a natural gas distribution sytem
06/12/2008WO2008069771A2 Power recovery and energy conversion systems and methods of using same
06/12/2008WO2008067855A2 Method and apparatus for increasing the performance and efficiency of an orc power plant process
06/12/2008US20080134680 Method of Transforming Heat Energy to Mechanical Energy to Mechanical Energy in a Low-Pressure Expansion Device
06/12/2008DE102006057448A1 Verfahren zur Erhöhung von Leistung und Wirkungsgrad im ORC-Kraftwerksprozess A method for increasing the performance and efficiency of the ORC power plant process
06/11/2008EP1930558A1 Energy-converter
06/11/2008EP1929129A1 Working fluid for an orc process, orc process and orc apparatus
06/11/2008CN101198767A Jet steam engine
06/11/2008CN101196180A Method for power generation by using thermal gradient energy of sea water
06/05/2008US20080127649 Thermal conversion device and process
06/04/2008CN101194084A Expander lubrication in vapour power generating system
06/04/2008CN101191427A Fluid pressure difference engine
05/2008
05/30/2008CA2569423A1 Method of generating power from naturally occurring heat without fuels and motors using the same
05/29/2008WO2008061960A1 System for using surplus heat energy
05/29/2008WO2008061271A1 Method for converting heat energy and rotary vane piston motor
05/29/2008DE102006055804A1 Liquid e.g. water, vapor mixture kinetic energy using method, involves using impulse of liquid to part for driving generator, using extracted impulse for driving jet pump, and evaporating part of liquid condensed in condenser
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