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| Number | Title | Issue Date |
| 7954324 | Gas turbine engine A gas turbine engine is provided comprising a compressor, a fuel supply apparatus, a combustor, and a turbine. The fuel supply apparatus comprises a fuel source, a cooling apparatus including a heat exchanger and structure for defining a first path for fuel to trave... | 06/07/2011 |
| 7882704 | Flame stability enhancement A fuel delivery system includes a fuel stabilization unit that removes dissolved oxygen from liquid fuel to increase the temperature at which the liquid fuel can be elevated without substantial formation of insoluble products. At least a portion of the fuel with red... | 02/08/2011 |
| 7874156 | Methods and apparatus for heating a fluid A method for heating a fluid in a turbine engine is provided. The method includes channeling an exhaust flow through an exhaust duct of the turbine engine and coupling a panel to the exhaust duct. The panel includes a first wall and an opposite second wall that is s... | 01/25/2011 |
| 7640751 | Fuel heating system for turbine engines A fuel heating system for fuel usable in a turbine engine. The fuel heating system may include at least one fuel heating chamber in communication with an exhaust stack of a turbine engine. The fuel heating chamber may be configured to allow exhaust gases to flow thr... | 01/05/2010 |
| 7574864 | Diffuser for a gas turbine, and gas turbine for power generation The invention relates to a gas turbine, for energy generation, with a compressor, arranged coaxially to a rotor, mounted such as to rotate, for the compression of an inlet gaseous fluid, at least partly serving for combustion of a fuel in a subsequent annular combus... | 08/18/2009 |
| 7377112 | Fuel deoxygenation for improved combustion performance A method and device of this invention includes a fuel deoxygenator and a heating device for removing dissolved oxygen from fuel and then heating that fuel to a temperature above the temperature that would otherwise produce undesirable insoluble materials from a hydr... | 05/27/2008 |
| 7337614 | Engine fueling method A gas turbine engine is piloted with a pilot flow of fuel delivered to a combustor as a liquid. A first additional flow of the fuel is also delivered to the combustor as a liquid. A second additional flow of the fuel is vaporized and delivered to the combustor as a ... | 03/04/2008 |
| 7313916 | Method and apparatus for generating power by combustion of vaporized fuel An apparatus for producing power from a source of liquid fuel. The apparatus includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, the inlet end in fluid communication with the source of liquid f... | 01/01/2008 |
| 7287368 | Fluid system In a fluid system for a gas turbine engine, oil is supplied from an oil tank (10) by a constant displacement pump (12) to lubricate engine components (18). The oil is supplied to the components (18) via a heat exchanger (16) in whi... | 10/30/2007 |
| 7284377 | Method and apparatus for operating an intercooler for a gas turbine engine A method for operating a gas turbine engine includes channeling compressed airflow discharged from a first compressor through an intercooler having a cooling medium flowing therethrough, channeling a working fluid through the intercooler to facilitate increasing an ... | 10/23/2007 |
| 7269955 | Methods and apparatus for maintaining rotor assembly tip clearances A method of operating a gas turbine engine is provided. The gas turbine engine includes at least one engine casing and at least one rotor assembly. The method includes directing airflow through a supply pipe and into a heat exchanger, lowering the temperature of the... | 09/18/2007 |
| 7266946 | Gas fuel compression by liquification An apparatus for supplying inlet gas 29 and fuel 17 to a gas turbine engine 10, the apparatus comprising: a heat exchanger 28 for transferring thermal energy from the inlet gas 29 to a fuel 17 for the gas turbine engine 1... | 09/11/2007 |
| 7241136 | Catalytic combustion burner made from a porous material and flask equipped with such a burner The catalytic combustion burner made from a porous material is designed to cooperate with a wick that will carry a combustible composition to the burner that penetrates into the pores of the porous material, and comprises a peripheral zone that supports a catalyst a... | 07/10/2007 |
| 7231769 | Gas turbine cooling system A cooling system for a gas turbine engine includes a fuel deoxygenator for increasing the cooling capacity of the fuel. The fuel deoxygenator removes dissolved gases from the fuel to prevent the formation of insoluble deposits. The prevention of insoluble deposits i... | 06/19/2007 |
| 7213391 | Cooling systems Apparatus for maintaining the temperature of a component of a gas turbine engine below a predetermined maximum working temperature comprises a reservoir for a cooling fluid having a boiling point below the working temperature and in which the component is immersed o... | 05/08/2007 |
| 7181914 | Diffuser for gas turbine engine A gas turbine engine pre-diffuser 40 is generally annular, including radially inner and radially outer walls 40 and 42 and a generally cylindrical midline 48 defined between the walls. The pre-diffuser 40 includes a central member ... | 02/27/2007 |
| 7143581 | Gas turbine plant A gas turbine plant comprises an air compressor, gas turbine including at least one high temperature section, a driven equipment, which are operatively connected in series, a gas turbine combustor arranged between the air compressor and the gas turbine, a fuel syste... | 12/05/2006 |
| 7117676 | Apparatus for mixing fluids A premixer for a combustor to entrain a selected volume of fuel in an oxidizer to be combusted to heat the oxidizer. The combustor is for a gas powered turbine which employs the hypergolic or high energy air stream which will allow a fuel to be combusted in the abse... | 10/10/2006 |
| 7080516 | Gas diffusion arrangement A gas diffusion arrangement (22) for a gas turbine engine (10) is disclosed. The gas diffusion arrangement (22) has an inlet (26) and an outlet (28) for the gas, and comprises diffusion means (32) having an upstream region (... | 07/25/2006 |
| 7028484 | Nested channel ducts for nozzle construction and the like A multiple conduit system for a gas turbine engine, the multiple conduit system extending between a plurality of conduit inlet and outlets. A channel is formed in a surface of a gas turbine engine component, and the channel is adapted for conveying a fluid flow from... | 04/18/2006 |
| 7013648 | Premix burner A premix burner includes a swirler (7) for a combustion air stream and a device for injection of fuel into the combustion air stream. The swirler (7) includes one or more inlet openings for combustion air of the combustion air stream entering the burne... | 03/21/2006 |
| 7000404 | Heat exchanger on a turbine cooling circuit The invention relates to a method of supplying cooling air to the hot portions of a turbojet that comprises, from upstream to downstream: a compressor; a diffuser; a combustion chamber; a distributor; and a turbine driving said compressor, in which method a flow of ... | 02/21/2006 |
| 6993913 | Gas turbine plant A gas turbine plant comprises an air compressor, gas turbine including at least one high temperature section, a driven equipment, which are operatively connected in series, a gas turbine combustor arranged between the air compressor and the gas turbine, a fuel syste... | 02/07/2006 |
| 6968696 | Part load blade tip clearance control Aspects of the invention relate to a turbine engine configuration and method for overcoming a turbine blade tip clearance problem that can arise when the turbine inlet temperature is maintained at a high level during part load operation of the turbine. Aspects of th... | 11/29/2005 |
| 6931834 | Cooling systems Apparatus for maintaining the temperature of a component of a gas turbine engine below a predetermined maximum working temperature comprises a reservoir for a cooling fluid having a boiling point below the working temperature and in which the component is immersed o... | 08/23/2005 |
| 6929780 | Vaporizer tube for vaporizing liquid samples in capillary gas chromatography The invention relates to a vaporizer tube for vaporizing liquid samples in capillary gas chromatography. The vaporizer tube is open throughout its whole length. It has throats which are shaped to provide, in their region, a heavy increase of the flow velocity of the... | 08/16/2005 |
| 6920760 | Device and method for preheating combustibles in combined gas and steam turbine installations A device is for preheating combustibles in combined gas and steam turbine installations. The device includes at least one steam generator for heating, evaporating and superheating feed water, which has a feed water preheater, an evaporator and a superheater. At leas... | 07/26/2005 |
| 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 |
| 6901735 | Modular fuel conditioning system A fuel conditioning system for a turbine plant may include an inlet fuel module followed by a turbine fuel module for each turbine, the modules being monitored and controlled by a programmable logic controller. The inlet fuel module may include a metering station, a... | 06/07/2005 |
| 6865877 | Compression feed for high humidity fuel gas A device for compressing and feeding to a microturbine power generator a high humidity fuel gas such as biogas, which cools the high humidity fuel gas condensed by the compressor using an air-cooling type fin-tube radiator, condenses and liquefies the moisture, then... | 03/15/2005 |
| 6857270 | Gas turbine plant A gas turbine plant comprises an air compressor, gas turbine including at least one high temperature section, a driven equipment, which are operatively connected in series, a gas turbine combustor arranged between the air compressor and the gas turbine, a fuel syste... | 02/22/2005 |
| 6817187 | Re-fired gas turbine engine In a reheat gas turbine engine for power generation, fuel is burnt with compressed air from a compressor in a first or primary combustor, the combustion products are passed through a high pressure turbine, the exhaust of the high pressure turbine is then burnt toget... | 11/16/2004 |
| 6769257 | Transition piece outlet structure enabling to reduce the temperature, and a transition piece, a combustor and a gas turbine providing the above output structure A gas turbine combustor transition piece outlet structure enabling a reduction in the temperature difference of a flange formed at the transition piece outlet. A flange is formed with a cooling medium channel along the inner circumference, cooling medium channels al... | 08/03/2004 |
| 6679059 | Gas turbine plant A gas turbine plant comprises an air compressor, gas turbine turbine including at least one high temperature section, a driven equipment, which are operatively connected in series, a gas turbine combustor arranged between the air compressor and the gas tu... | 01/20/2004 |
| 6666027 | Turbine power generation systems and methods using off-gas fuels A turbine power generation system is provided for use with an off-gas fuel source. The system comprises first compression means for compressing air; second compression means for compressing off-gas; combustion means for combusting a mixture of said compre... | 12/23/2003 |
| 6588212 | Combustion turbine fuel inlet temperature management for maximum power outlet Syngas for use, as fuel in the combustion turbine of an IGCC process is heated to a maximum temperature of about 350° F. (177° C.) prior to entering the combustor. Non-combustible diluent gas and additional fuel with a high heating value is also added t... | 07/08/2003 |
| 6584778 | Methods and apparatus for supplying cooling air to turbine engines A cooling air cooling system is selectively operable to reduce fuel gum deposits within the cooling system during gas turbine engine operations. The cooling system includes a recirculating loop that includes at least three heat exchangers in fluid communi... | 07/01/2003 |
| 6584777 | Apparatus for and method of filtering a fluid A fuel system (10) comprises a tank (12), a pump (14), heat exchangers (16 & 18) and a filter (20) in series fluid flow relationship. A fuel metering unit (24) returns a proportion of the filtered fuel to the tank (12) and is controlled by the engine elec... | 07/01/2003 |
| 6578362 | Methods and apparatus for supplying cooling air to turbine engines A cooling air cooling system operable to reduce fuel gum deposits within the cooling system when a gas turbine engine operates above a predefined percentage of rated engine power. The cooling system includes a recirculating loop including a plurality of h... | 06/17/2003 |
| 6560966 | Method for operating a power plant having turbine cooling In a method for operating a gas turbo group, partial streams of compressed air are cooled in cooling air coolers and are used as cooling air for thermally highly stressed components of the gas turbo group. The cooling air coolers are constructed as steam ... | 05/13/2003 |
