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| Number | Title | Issue Date |
| 8166747 | Gas turbine engine A steam injection gas turbine engine having a once-through steam generator (OTSG). A condenser is provided downstream of the OTSG to capture water and is protected from hot flue gasses during startup by a bypass circuit. Optionally, heating the exhaust downstream of... | 05/01/2012 |
| 8156726 | Semiclosed Brayton cycle power system with direct combustion heat transfer A semiclosed diesel fueled Brayton cycle power system is provided using CO2 and steam as the working fluid. Combustion occurs in a combustor between diesel fuel and O2 with CO2 present as a diluent. During combustion, a heated, high ... | 04/17/2012 |
| 8151549 | High humidity gas turbine equipment A high humidity gas turbine equipment includes a turbine; a compressor; a humidifier, which brings the air compressed by the compressor into contact with feed water to humidify the air; a regenerative heat exchanger, which causes the air humidified by the humidifier... | 04/10/2012 |
| 8069646 | Gas turbine system having an air intake bypass system and an air discharge bypass system A pressure vessel bypass valve forms a bypass system for enabling a part of the air compressed by a compressor to directly flow into a combustor while preventing the part of the air from flowing through a humidification tower and a recuperator. A turbine bypass valv... | 12/06/2011 |
| 8033093 | Gas turbine apparatus A gas turbine apparatus is used in, for example, a power generation apparatus. The gas turbine apparatus according to the present invention includes a turbine, an air compressor rotatable integrally with the turbine, a recuperator for performing heat exchange betwee... | 10/11/2011 |
| 7963097 | Flexible assembly of recuperator for combustion turbine exhaust A recuperator includes a heating gas duct; an inlet manifold; a discharge manifold; and a once-through heating area disposed in the heating-gas duct through which a heating gas flow is conducted. The once-through heating area is formed from a plurality of first sing... | 06/21/2011 |
| 7937930 | Semiclosed Brayton cycle power system with direct heat transfer A semiclosed power system utilizing a Brayton cycle with combustion occurring between diesel fuel and O2 in direct contact with an inert gas. The inert gas and products of combustion form a heated working fluid which is expanded in a turbine to provide po... | 05/10/2011 |
| 7905082 | Method and system for increasing Modified Wobbe Index control range A system and method for controlling the temperature of a fuel gas. The system and method includes mixing an intermediate pressure feedwater stream from the heat recovery steam generator with a high pressure feedwater stream from the heat recovery steam generator, th... | 03/15/2011 |
| 7874140 | Method of and power plant for generating power by oxyfuel combustion A method of and a power plant for generating power by combusting carbonaceous fuel with substantially pure oxygen, and a method of modifying a process of generating power by combusting carbonaceous fuel from combusting the fuel with air to combusting the fuel with s... | 01/25/2011 |
| 7861510 | Ceramic regenerator for a gas turbine engine A high temperature heat exchanger for use with a small gas turbine engine to produce a combined cycle power plant, where the heat exchanger includes ceramic heat exchange tubes of SiC that are tightly fitted to the heat exchanger so that no welds or brazing is used ... | 01/04/2011 |
| 7775031 | Recuperator for aircraft turbine engines A recuperator for use in transferring heat from gas turbine exhaust gases to compressed air inlet gases before combustion. The recuperator utilizes a plurality (e.g., thousands) of microtubes or microchannels to form a heat exchanger having high effectiveness and lo... | 08/17/2010 |
| 7721523 | Ground based pulse detonation combustor for power generation A ground based power generation system contains at least two compressor stages, a combustion stage and a turbine stage. An intercooler is positioned between the two compressor stages and a regenerator is positioned between the compressor stages and the combustion st... | 05/25/2010 |
| 7690186 | Gas turbine engine including apparatus to transfer power between multiple shafts The gas turbine engine comprises at least one electrical generator and an electrical heater associated with a gas path of the engine. The heater is powered by the generator to selectively add heat to the gas turbine cycle. ... | 04/06/2010 |
| 7647762 | Combined apparatus for fluid heating and electrical power generation Combined apparatus for heating a fluid and for producing electrical power is comprised of a burner operable to burn a combustible fuel-air mixture to produce gaseous products of combustion; a heat exchanger adapted to receive the products of combustion and to transf... | 01/19/2010 |
| 7543440 | Multiple turbine system with a single recuperator A turbine system is provided including a plurality of gas turbine engines, each having a compressor section for producing compressed air, a combustor section, and a turbine section yielding hot exhaust gas. A single, common recuperator section is shared by and opera... | 06/09/2009 |
| 7500349 | Power plant and operating method A power plant comprises a gas turbo group with a heat transfer apparatus, for example a recuperator for the preheating of the combustion air, arranged downstream of the turbine in the smoke gas path of the gas turbo group. A smoke gas purification catalyst is arrang... | 03/10/2009 |
| 7430869 | System for catalytic combustion A system comprising a compressor (10) having an inlet stream (25) and an outlet stream (26), a pre-heater (12) having a process inlet stream (29) and a process outlet stream (31), a catalytic combustor (13) having an ... | 10/07/2008 |
| 7404294 | Gas turbine and a method for controlling a gas turbine Method and arrangement for providing and controlling a gas turbine (1) at least one turbine (11, 20, 20′), at least one compressor (2, 5) driven by the turbine and a combustion chamber (16) arranged between the compressor and the turbin... | 07/29/2008 |
| 7383686 | Secondary flow, high pressure turbine module cooling air system for recuperated gas turbine engines A secondary flow, turbine cooling air system for the uniform cooling of high pressure turbine module components such as the turbine shroud, turbine blade tips, turbine nozzle, transion liner, and turbine bearing support housing in a recuperated gas turbine engine is... | 06/10/2008 |
| 7380749 | Combined fuel cell aircraft auxiliary power unit and environmental control system Combined aircraft hybrid fuel cell auxiliary power unit and environmental control system and methods are disclosed. In one embodiment, an auxiliary power unit includes a fuel cell component which chemically converts combustible fuel into electrical energy. Unutilize... | 06/03/2008 |
| 7363756 | Method for combustion of a fuel In a method for the combustion of a fuel, a fuel or a premixed combustible mixture is introduced into a combustion space as a combustible fluid open jet. The velocity of the open jet is selected in such a way that it is impossible for a stable flame front to form, i... | 04/29/2008 |
| 7356993 | Method of converting energy The invention provides a method of converting heat energy to a more usable form using a multi-component working fluid mixture that contains ammonia and water. The working fluid is operated in a thermodynamic cycle that includes liquid compression (30), vapori... | 04/15/2008 |
| 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 |
| 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 |
| 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 |
| 7340881 | Gas turbine combustor The invention provides a gas turbine combustor in which the size of a combustor outer casing can be reduced. A transition inner duct and a transition outer duct are disposed in a main housing, inlet openings for a fluid to cool the transition inner duct are formed a... | 03/11/2008 |
| 7340902 | Method for operating an air-breathing engine When operating an air-breathing engine, a liquid is injected in atomized form into an air intake duct of the engine. A measurement apparatus for determining the injected drop size or the drop concentration is arranged in or on the intake duct downstream of the locat... | 03/11/2008 |
| 7334411 | Gas turbine heat exchanger assembly and method for fabricating same A method for assembling a gas turbine engine includes fabricating a heat exchanger that includes a first manifold including an inlet and an outlet, a first quantity of heat exchanger elements coupled in flow communication with the manifold inlet, a second quantity o... | 02/26/2008 |
| 7314347 | Pressurized fluid bladeless turbine engine with opposing fluid intake assemblies A bladeless pressurized fluid turbine engine having a bladeless turbine, internal, concentric or circumferential shaft fluid ways which transmit pressurized gas to the turbine, and a pair of opposing pressurized fluid intake assemblies. Each intake assembly has a fi... | 01/01/2008 |
| 7309145 | Light source apparatus and projection display apparatus A light source apparatus including: a solid state light source that includes a pair of electrodes and emits light in response to power being supplied with from the electrodes; a liquid medium that removes heat that is generated in the solid state light source; and a... | 12/18/2007 |
| 7305832 | Work extraction arrangement A work extraction arrangement (10) comprises a cooling assembly (12) for cooling a gas to provide a working fluid capable of doing work. The arrangement (10) further includes storage means (14) for storing the working fluid and a turbine ... | 12/11/2007 |
| 7305831 | Gas turbine having exhaust recirculation A gas turbine adapted to operate in a highly diluted mode comprises a compressor 3 adapted to compress oxidant 5; a combustion chamber 3 adapted to accept the compressed oxidant 7 and provide an exit means for flue gas 9; a turbine... | 12/11/2007 |
| 7299616 | Small scale hybrid engine This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. Th... | 11/27/2007 |
| 7278255 | Gas turbine installation Disclosed is a gas turbine power generating system capable of achieving a high output power and a high power generating efficiency under conditions with a small amount of supplied water and less change in design of a gas turbine. A fine water droplet spraying... | 10/09/2007 |
| 7274111 | Methods and apparatus for electric power grid frequency stabilization A method and apparatus for operating a combined-cycle power system is provided. The system is coupled to an electric power grid. The system includes at least one electric power generator, at least one steam turbine coupled to the generator, at least one combustion t... | 09/25/2007 |
| 7254937 | Gas turbine heat exchanger assembly and method for fabricating same A method for assembling a gas turbine engine including a compressor and a combustor includes providing a heat exchanger assembly that includes at least one heat exchanger, and coupling the heat exchanger assembly to the gas turbine engine such that the heat exchange... | 08/14/2007 |
| 7251942 | Integrated gearless and nonlubricated auxiliary power unit An auxiliary power unit (APU) includes a compressor, a turbine, a combustor, and a starter-generator unit all integrated within a single containment housing. The turbine has an output shaft on which the compressor is mounted, and the starter-generator unit is couple... | 08/07/2007 |
| 7251926 | Gas turbine installation A plate-fin type regenerative heat exchanger is provided which can prevent clogging of a flow passage caused by a drift of liquid phase water even when compressed air contains a large amount of moisture and liquid droplets. The plate-fin type regenerative heat excha... | 08/07/2007 |
| 7240478 | Highly supercharged regenerative gas turbine The present invention comprises a highly supercharged, regenerative gas-turbine system. The gas turbine comprises a compressor, a regenerator, a combustor, and an expander. A pre-compressor pressurizes air going into the compressor section of the gas turbine. A cool... | 07/10/2007 |
| 7228682 | System for augmented electric power generation with distilled water output The system for augmented electric power generation with distilled water output employs a combined cycle gas turbine power generation system for electrical power generation. A multistage evaporator uses steam drawn from the steam turbine as a heating medium to power ... | 06/12/2007 |
