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| Number | Title | Issue Date |
| 8176722 | Method and device for the transfer of heat from a heat source to a thermodynamic cycle with a working medium of at least two substances with non-isothermal evaporation and condensation The invention relates to a thermodynamic circuit with a working medium comprising at least two substances with non-isothermal evaporation and condensation whereby the working medium can decompose above a given temperature. According to the invention, the heat from h... | 05/15/2012 |
| 8117822 | Carbon-free gas turbine The carbon-free gas turbine is a power-producing turbine driven by the combustion of hydrocarbon fuels with oxygen. The carbon-free gas turbine includes at least one combustor for combusting gaseous fuel with oxygen. The at least one combustor includes a housing con... | 02/21/2012 |
| 7950214 | Method of and apparatus for pressurizing gas flowing in a pipeline The present invention is directed to auxiliary apparatus for augmenting the pressure head of a gas flowing in a pipeline that may be provided by at least one gas turbine running a first pressure augmenting means, said auxiliary apparatus comprising: a vapor turbine ... | 05/31/2011 |
| 7849669 | Turbofan engine utilizing an aerodynamically coupled pre-combustion power turbine A turbofan jet engine design that utilizes aerodynamic coupling to transmit power from a high-speed engine core to a lower speed fan, thereby simplifying the design and improving the thrust-to-weight ratio compared to previous turbofan designs. The engine uses a low... | 12/14/2010 |
| 7748210 | System and method for use in a combined or rankine cycle power plant A system is provided and includes a first condenser configured to fluidly receive a first steam supply and tower water and to output a first water supply, a second condenser configured to fluidly receive a first portion of a second steam supply and the first water s... | 07/06/2010 |
| 7730712 | System and method for use in a combined cycle or rankine cycle power plant using an air-cooled steam condenser A system for use in a combined cycle or rankine cycle power plant using an air-cooled steam condenser is provided and includes a steam turbine from which first and second steam supplies are outputted at high and low respective pressures, an air-cooled condenser conf... | 06/08/2010 |
| 7353654 | Method and apparatus for achieving power augmentation in gas turbines using wet compression A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,... | 04/08/2008 |
| 7353655 | Method and apparatus for achieving power augmentation in gas turbine using wet compression A gas turbine unit as well as a method for operating a gas turbine with high-pressure turbine and a low-pressure turbine unit are disclosed. A very quick and at the same time easily controllable augmentation or reduction of the shaft power of the gas turbine unit ca... | 04/08/2008 |
| 7353656 | Method and apparatus for achieving power augmentation in gas turbines using wet compression A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,... | 04/08/2008 |
| 7289325 | Power converter cooling A power conversion system which uses a plurality of transistors to convert DC power to AC power is made more efficient by the use of liquid refrigerant to cool the transistors. A plurality of passages are formed in a cold plate on which the transistors are mounted, ... | 10/30/2007 |
| 7284363 | Method of power generation for airborne vehicles A closed cycle turbine system is provided for the generation of power in a light, high altitude airborne vehicle. The closed cycle turbine system may operate according to either the Brayton or the Rankine cycles. The working fluid for the closed cycle may be alterna... | 10/23/2007 |
| 7272932 | System and method of use of expansion engine to increase overall fuel efficiency A system of increasing overall fuel efficiency of a facility including a gas expansion engine for receiving a supply of pressurized gas of a first pressure and first temperature and outputting a tail gas of a second lower temperature and lower pressure. The expansio... | 09/25/2007 |
| 7266940 | Systems and methods for power generation with carbon dioxide isolation A power generation system and method includes a first gas turbine system comprising a first combustion chamber configured to combust a first fuel stream of primarily hydrogen that is substantially free of carbon-based fuels. The first gas turbine system also include... | 09/11/2007 |
| 7267114 | Wildland fire vehicle escape system A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed... | 09/11/2007 |
| 7229244 | Fluid flow actuated drive means A fluid flow actuated drive means 10 includes a rotatably mounted impeller 12 which defines a set of circumferentially spaced outer chambers 14 which extend inwardly from openings 16 along a peripheral edge 18 of the impeller 12... | 06/12/2007 |
| 7211906 | Rankine—microturbine for generating electricity An electrical output power generation system is provided. A gas turbine engine rotor spool with at least one alternator rotor and steam turbine rotor are integrated and within a engine body having a combustor or external heat source having fluid communication with t... | 05/01/2007 |
| 7181919 | System utilizing waste heat of internal combustion engine A waste heat energy recovery system has a refrigerant cycle and a Rankine cycle. When the cycle operation is changed from the refrigerant cycle to the Rankine cycle, an expansion device is started after the pump is started. When the cycle operation is changed from t... | 02/27/2007 |
| 7178339 | Closed-loop cooling system for a hydrogen/oxygen based combustor A closed-loop cooling system is provided for a hydrogen/oxygen based combustor. A combustion reaction between hydrogen and oxygen in the combustor produces steam. The steam is used to generate work from a turbine shaft, which is used to drive a propulsion system for... | 02/20/2007 |
| 7121906 | Method and apparatus for decreasing marine vessel power plant exhaust temperature According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that in... | 10/17/2006 |
| 7096665 | Cascading closed loop cycle power generation Cascading Closed Loop Cycle (CCLC) and Super Cascading Closed Loop Cycle (Super-CCLC) systems are described for recovering power in the form of mechanical or electrical energy from the waste heat of a steam turbine system. The waste heat from the boiler and steam co... | 08/29/2006 |
| 7089727 | Gas turbine plant with an exhaust gas chimney A gas turbine installation includes at least one gas turbine. A transition piece may receive an exhaust gas from the gas turbine. The transition piece is an exhaust gas inlet part of a steam recovery part for a steam generator. The transition piece includes a chimne... | 08/15/2006 |
| 7069726 | Thermal power process In a power generation unit, especially in a gasturbo group, a gaseous process fluid is guided in a closed cycle. The gaseous process fluid flows through a compression device (1), a heater (6) and an expansion device (2), especially a turbine. Do... | 07/04/2006 |
| 7055306 | Combined stage single shaft turbofan engine A turbofan engine includes a combined stage rotor mounted for common rotation with a shaft, a compressor stage, and a turbine stage. Each of the plurality of fan blades of the combined stage rotor are contiguous with a respective compressor blade. The combined stage... | 06/06/2006 |
| 7036315 | Apparatus and method for detecting low charge of working fluid in a waste heat recovery system In a waste heat recovery system having a superheat controller, a reference superheat controller operating trajectory is established and compared with operational superheat controller trajectories from time to time and measuring the deviation therebetween to determin... | 05/02/2006 |
| 7017357 | Emergency power generation system In a comfort system having a combination furnace and air conditioner, the two are operated simultaneously at periods of time in which emergency power is desired, with the air conditioning system being temporarily converted to cause the flow of refrigerant to pass fr... | 03/28/2006 |
| 7013644 | Organic rankine cycle system with shared heat exchanger for use with a reciprocating engine In order to effectively extract the waste heat from a reciprocating engine, the normal heat exchanger components of an engine are replaced with one or more heat exchangers which have the motive fluid of an organic rankine cycle system flowing therethrough. With the ... | 03/21/2006 |
| 7010919 | Method and installation for steam production and air distillation The invention concerns a method for driving at least a compression machine (7, 8) of an air distillation unit (3) which supplies oxygen and/or nitrogen and/or argon to an industrial plant (1) producing water vapour. In normal running conditions,... | 03/14/2006 |
| 6968700 | Power systems A method for producing electrical power which, in certain aspects, includes producing a water/methanol mixture and feeding it to converting apparatus that produces a feed stream with hydrogen, carbon dioxide, and steam; recovering hydrogen from the feed stream and f... | 11/29/2005 |
| 6964168 | Advanced heat recovery and energy conversion systems for power generation and pollution emissions reduction, and methods of using same Disclosed herein are various systems and methods for producing mechanical power from a heat source. In various illustrative examples, the system may include a heat recovery heat exchanger, a turbine, an economizer heat exchanger, a condenser heat exchanger, and a li... | 11/15/2005 |
| 6960839 | Method of and apparatus for producing power from a heat source A method for producing power from a heat source comprises the steps of: heating an intermediate fluid with heat from the heat source and producing a vaporized intermediate fluid in an intermediate fluid heater/vaporizer. Heat from the vaporized intermediate fluid va... | 11/01/2005 |
| 6957540 | Multi-mode complex cycle power plant A power plant (10) including a boiler unit portion (12) and a gas turbine unit portion (14) operable in multiple modes, including operation of the boiler unit portion independent of the gas turbine unit portion. Exhaust gas from the gas turbine ... | 10/25/2005 |
| 6920759 | Cold heat reused air liquefaction/vaporization and storage gas turbine electric power system An energy storage gas-turbine electric power generating system includes a liquid air storage tank for storing liquid air, a vaporizing facility for vaporizing the liquid air stored in the liquid air storage tank, a combustor for generating a combusted gas by combust... | 07/26/2005 |
| 6912855 | Method for the primary control in a combined gas/steam turbine installation The aim of the invention is to improve a method for the primary control so that reserve power that is practically completely available for the effective frequency boost within seconds is available also in the stem turbine part of a gas/steam turbine installation. To... | 07/05/2005 |
| 6892522 | Combined rankine and vapor compression cycles An organic rankine cycle system is combined with a vapor compression cycle system with the turbine generator of the organic rankine cycle generating the power necessary to operate the motor of the refrigerant compressor. The vapor compression cycle is applied with i... | 05/17/2005 |
| 6880344 | Combined rankine and vapor compression cycles An organic rankine cycle system is combined with a vapor compression cycle system with the turbine generator of the organic rankine cycle generating the power necessary to operate the motor of the refrigerant compressor. The vapor compression cycle is applied with i... | 04/19/2005 |
| 6877319 | Method of operating a combustion plant and a combustion plant The invention concerns a method of operating a combustion plant comprising at least a first gas turbine (26), a second turbine (34, 50) and a membrane reactor device (16) which comprises a membrane filter device (18) for separating oxygen... | 04/12/2005 |
| 6832485 | Method of and apparatus for producing power using a reformer and gas turbine unit In accordance with the present invention, apparatus is provided for producing power comprising a reformer for reforming a hydrocarbon material and producing syngas comprising hydrogen, carbon monoxide and carbon dioxide. Furthermore, the apparatus comprises a combus... | 12/21/2004 |
| 6824575 | Integrated coal gasification combined cycle power generator Embodiments of the invention provide an IGCC which achieves improved plant thermal efficiency by using a cooling steam supply system that cools the high-temperature sections of the gas turbine 34. Embodiments of the invention further provide and IGCC in which... | 11/30/2004 |
| 6745573 | Integrated air separation and power generation process An integrated air separation and power generation process produces an O2-enriched gas stream and an N2-enriched gas stream in an air separation unit. The O2-enriched gas stream is introduced with fuel and steam to a combustor, produc... | 06/08/2004 |
| 6715294 | Combined open cycle system for thermal energy conversion A dual-fluid heat engine having a gas turbine and an open cycle steam turbine. The gas turbine has a compressor for compressing a first working fluid, the compressor having a compressor outlet. The gas turbine has a combustion chamber in fluid communication with the... | 04/06/2004 |
