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7603863 |
Secondary fuel injection from stage one nozzle
A secondary combustion system for a stage one turbine nozzle. The secondary combustion system may include a supply tube extending into the stage one nozzle, a number of injectors extending from the...
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7603840 |
LNG power plant
An LNG (liquefied natural gas) power plant has a heating/cooling device. The heating/cooling device is controlled by a command generated by a temperature control device. The temperature control...
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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...
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7537646 |
Fuel system and method of reducing emission
A fuel system includes a fuel deoxygenator for removing oxygen from a liquid fuel. A vaporizer is in fluid communication with the fuel deoxygenator. The vaporizer vaporizes at least a portion of...
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7509793 |
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...
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7487642 |
Methods and apparatus for operating gas turbine engines
A method for operating a gas turbine engine including a compressor, a combustor, and a turbine, coupled together in serial flow arrangement, and a fuel heating system including a heat exchanger and...
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7467519 |
Electricity and synthesis gas generation method
A method of generating electricity in synthesis gas in which a fuel is combusted in a gas turbine to generate the electricity that at least about 60 percent by volume is derived from a source...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6499302 |
Method and apparatus for fuel gas heating in combined cycle power plants
A combined cycle power plant system, comprising a compressor; a combustor receiving air provided by the compressor; a gas turbine for expanding gas provided by the compressor; a heat recovery steam...
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6422020 |
Cast heat exchanger system for gas turbine
A cast heat exchanger, having an inlet and an outlet and defining an internal passage therebetween, includes a wall structure disposed within the internal passage that defines a series of...
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6415595 |
Integrated thermal management and coolant system for an aircraft
A thermal management system avoids problems associated with the recirculation of fuel through a fuel tank on an aircraft in a system that includes a fuel reservoir ( 70 ), a pump ( 72 ) for pumping...
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6401459 |
Fuel gas conditioning system with dew point monitoring
A method and system for monitoring the dew point of a fuel gas for a combustion turbine. A flow of fuel gas is filtered of particulate matter and liquid droplets in an aerosol interception and...
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6389797 |
Gas turbine combined cycle system
Gas turbine combined cycle system is improved to enhance gas turbine efficiency and combined efficiency by effecting steam-cooling of combustor tail tube and turbine blades. In the combined cycle...
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6389794 |
Method and apparatus for fuel gas moisturization and heating
Fuel gas is saturated with water heated with a heat recovery steam generator heat source. The heat source is preferably a water heating section downstream of the lower pressure evaporator to...
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6381945 |
Fuel preheating in a gas turbine
A gas turbine and a method for operating a gas turbine includes a combustion chamber, a turbine having rows of blades, an air compressor, a combustion-air line for feeding compressed air into the...
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6345495 |
Gas turbine system for flameless combustion of fuel gases
A gas turbine system for utilizing waste fuel gas is described that includes a combustor that provides combusted fuel to the expansion stage of the turbine. The fuel gas entering the combustor by...
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6343462 |
Gas turbine power augmentation by the addition of nitrogen and moisture to the fuel gas
A method and apparatus for increasing power output and efficiency of gas turbines. Power output is enhanced and NOx emissions are lowered while heat rate penalties are minimized by adding nitrogen...
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6269626 |
Regenerative fuel heating system
A combined cycle cogeneration power plant includes a combustion turbine formed by an inlet for receiving fuel, an inlet for receiving air, a combustor for burning the combustion fuel and the air,...
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6253554 |
Gas turbine plant with fuel heating and turbine cooling features
A gas turbine plant comprises an air compressor, gas turbine including at least one high temperature section, and driven equipment, which are operatively connected in series, a gas turbine...
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6247299 |
Method for feeding a gas turbine with both liquid and gaseous fuels
A description is given of a method for feeding liquid and/or gaseous fuels to gas turbines, by means of which method the same feed path to the burner of the gas turbine can be used for both fuels,...
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6244038 |
Power plant with fuel gas generator and fluidized bed combustion
A combustion plant for a combustion process is disclosed. The plant has a pressurized combustion chamber (1), which encloses a fluidized bed and in which combustion of a fuel is to take place while...
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6233916 |
Method of using fuel gas expander in power generating plants
In a power generating plant which utilizes fuel gas for combustion at a predetermined pressure to drive a primary load, and where the fuel gas is supplied at a pressure higher than the...
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6205762 |
Combined cycle power generating plant and method of supplying cooling steam for gas turbine in same
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6189313 |
Aircraft engine fuel system mounting assembly
An aircraft engine assembly includes an engine, an engine control actuator responsive to flow of high pressure fuel therethrough for actuating engine controls, a fuel heat exchanger for heating...
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6178751 |
Liquid fuel injector system
The liquid fuel injector includes continuous air assist with both the liquid fuel injector tube and the surrounding air assist tube constrained or reduced in diameter at the discharge ends thereof....
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6174160 |
Staged prevaporizer-premixer
Method and apparatus to prevaporize and premix liquid and/or gaseous fuels with air in two stages at two different temperatures prior to combustion. The invention is directed to the entry of a...
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6155819 |
Dry, low NO.sub.x catalytic pilot
This invention relates to an apparatus and method for increasing the reactivity of a fuel/air mixture prior to homogenous combustion of the mixture. More specifically, this invention is a pilot for...
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6105370 |
Method and apparatus for rejecting waste heat from a system including a combustion engine
A method and apparatus are provided for rejecting waste heat (12) from a system (10) including a combustion engine (14), an oxidizer supply (16), and a fuel supply (18). The method includes the...
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6089012 |
Steam cooled gas turbine system
A steam cooled gas turbine system in a combined power plant, constituted such that gas turbine blade cooling steam and combustor tail pipe cooling steam are bled from an outlet of a high pressure...
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6082092 |
Combustion dynamics control for variable fuel gas composition and temperature based on gas control valve feedback
An actual Wobbe Index is calculated for a turbine and compared to a reference Wobbe Index. By comparing the actual and reference Wobbe Indices and recognizing that the reference Wobbe Index has...
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