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7624708 |
Process for operating a continuous steam generator
The invention relates to a process for operating a continuous steam generator. The aim of the invention is to provide, with little technical complexity and for any operating state, a synchronous...
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7607307 |
Methods and apparatus for controlling cooling air temperature in gas turbine engines
A cooling system for a gas turbine engine including a compressor, a combustor and a high-pressure turbine, coupled together in serial flow arrangement. The cooling system includes a storage tank, a...
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7578120 |
Device for injecting water or water vapor into the working medium of a gas turbine plant
A gas turbine plant having a compressor ( 1 ), one or more combustion chambers ( 2 ), a high-pressure gas turbine ( 3 ) and a power turbine ( 24 ) includes a device whereby water or water vapor is...
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7562532 |
Method for operating a gas turbine group
A gas turbine group comprises a device, arranged in a suction-intake duct, for cooling a suction-intake airflow. The device is, for example, a device for injecting a liquid mass flow. The cooling...
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7526920 |
Method of operating an atomizing arrangement
A liquid atomizing arrangement comprises: a line system, at least one pressure atomizer nozzle, at least one line for the liquid to be atomized, and at least one first actuator for setting the...
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7520137 |
Method of controlling the injection of liquid into an inflow duct of a prime mover or driven machine
The injection of finely atomized liquid-droplets into the intake air flow of a compressor is used, for example, to improve the output of a gas turbine. If the atomization is effected via pressure...
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7490472 |
Efficient combined cycle power plant with CO2 capture and a combustor arrangement with separate flows
The invention relates to a method for inter alia to increase the energy and cost efficiency of a gas power plant or a thermal heat plant with CO 2 capturing. The power plant comprises gas turbine...
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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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7481060 |
Method for operating a power plant
A power plant comprises an air-breathing combustion engine having an air inlet and an inflow duct arranged upstream of the air inlet, as well as an atomization device arranged in the inflow duct....
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7454913 |
Method and system for introducing fluid into an airstream
A preferred of operating a gas turbine engine having an inlet for receiving a stream of air to be compressed includes providing a first and a second set of interchangeable spray nozzles. Each of...
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7451602 |
Methods and apparatus for injecting fluids into turbine engines
A method facilitates operating a gas turbine engine. The method comprises supplying steam and primary fuel to a chamber within a nozzle, mixing the primary fuel and steam within the chamber, and...
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7448217 |
Power plant
A combined cycle power plant comprises a gas turbo group and a water/steam circuit A liquid atomization device is arranged, upstream of the compressor, in the intake duct of the gas turbo group....
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7444819 |
Gas turbine installation including a compressed air humidifier and method
A gas turbine installation is provided in which turbine cooling air can be humidified with water while suppressing deterioration of the reliability of turbine blades. The gas turbine installation...
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7434403 |
Method of operating a thermal power plant
A method of operating a thermal power plant, such as a gas turbine power plant, in which a rotary unit, such as at least one gas turbine stage, is driven by burning gaseous fuel inside a combustion...
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7428819 |
Method for the operation of a compressor of a gas turbine with evaporative cooling of the compressor induction air
In a method of operating a compressor of a gas turbine, where compressor air sucked in from the environment is cooled down by evaporation cooling before entering the compressor, before starting...
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7428818 |
System and method for augmenting power output from a gas turbine engine
The present invention discloses a method and system for augmenting shaft output of stationary gas turbines that can be used in multiple modes of operation. The system comprises a washing unit ( 25,...
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7377113 |
Modular turbine generator and method of operation
A modular turbine generator includes both a turbo generator, and electrical power conditioning and control circuitry. During conditions of high ambient temperature the turbo generator may lose both...
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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...
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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...
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7331753 |
Method for compressing the working fluid during a water/steam combination process
A method for compressing the working fluid during a water/steam combination process in multi-stage turbocompressors comprising intercooling in the individual compressor stages, by the addition of a...
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7310950 |
Inlet airflow cooling control for a power generating system
A power generating system ( 20 ) includes a generator ( 22 ) and a combustion turbine ( 24 ) for driving the generator ( 22 ). The combustion turbine ( 24 ) may have a combustion turbine air inlet...
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7293415 |
Method of operating a gas turbine group
In a method for operating a gas turbine centre in the vicinity of the group nominal full-load conditions, the cooling of the working fluid before and/or during the compression is set in such a way...
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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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7278267 |
Steam turbine plant
A steam turbine plant partially utilizes a hydrocarbon fuel such as an LNG as a fuel to improve the efficiency of the plant. A steam turbine plant includes a boiler, a steam turbine, a feedwater...
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7272933 |
Methods and apparatus for operating gas turbine engines
A method for operating a gas turbine engine, including a first compressor, a second compressor, and a turbine, coupled together in serial flow arrangement. The method includes channeling compressed...
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7269954 |
Method for operating a gas turbine installation, and gas turbine installation
A method for operating a gas turbine installation ( 1 ) includes sucking in a gaseous medium ( 2 ) by the compressor ( 3 ) and compressed in the compressor space, a liquid medium ( 10 ) being...
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7237383 |
Method and device for extracting water in a power plant
A method according to the invention and a corresponding device ( 1 ) designed to cool the exhaust gas ( 15 ) of a gas turbine to below its dew point. Water ( 25 ) accumulating hereby can be used...
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7216486 |
Method for operating a turbine group
Relevant fuel-gas properties (X G ) are measured on an ongoing basis while a gas turbine group is operating. The C 2+ alkane content of the fuel gas is of particular interest in this context, since...
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7200997 |
Water augmented regeneration (WAR) turbine system and cycle
A gas turbine system ( 100 ) includes a compressor ( 110 ) for receiving air and producing compressor discharge air, a combustor ( 120 ) for combusting an oxygen comprising gas flow including the...
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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...
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7165935 |
Axial compressor
In an axial compressor ( 10 ), in particular for a gas turbine, with a plurality of stages (ST 1 , . . . , ST 5 ) which are arranged one behind the other between a compressor inlet ( 14 ) and a...
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7143582 |
Method for operation of a burner and burner in particular for a gas turbine
The invention relates to a method for operation of a burner, whereby a mixture used for burning is supplied to the burner in a two-stage process. In a first step atomised water is mixed with...
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7143573 |
Gas turbine set
A gas turbine set, with a cooling air system through which at least one cooling air mass flow flows from a compressor to thermally highly loaded components of the gas turbine set. Pressure...
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7137257 |
Gas turbine power augmentation method
A power augmentation method for a gas turbine in which water is injected into one or more stages of an auxiliary compressor to produce a vapor containing gas stream. The vapor containing gas stream...
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7104071 |
Method for operating a gas turbine group
A gas turbine group is provided with at least one cooling apparatus for cooling the working medium before and/or during the compression. The cooling power of the cooling apparatus can be adjusted...
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7104070 |
Liquid fuel nozzle apparatus with passive water injection purge
In a gas turbine having a compressor, a combustor and a turbine, a gaseous fuel supply coupled to provide gaseous fuel to the combustor, a liquid fuel supply coupled to provide liquid fuel to the...
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7104069 |
Apparatus and method for improving combustion stability
A fuel nozzle for use in a gas turbine combustor is provided having the capability of injecting multiple fuel types as well as steam for NOx reduction. Combustion dynamics within a combustor due to...
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7082765 |
Methods and apparatus for reducing gas turbine engine emissions
A method enables a gas turbine engine to be assembled. The method comprises coupling a fuel nozzle within the engine to inject fuel into the engine, wherein the fuel nozzle includes three...
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7062915 |
High-efficiency otto cycle engine with power generating expander
High-efficiency combustion engines, including Otto cycle engines, use a steam-diluted fuel charge at elevated pressure. Air is compressed, and water is evaporated into the compressed air via the...
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7053341 |
Method and apparatus for drum level control for drum-type boilers
A method for controlling the level of a drum in a drum-type boiler includes adjusting a gain of a drum level PID (such as a Proportional Integral Derivative control) in accordance with a signal...
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7047748 |
Injection methods to reduce nitrogen oxides emission from gas turbines combustors
A process having three steps utilized individually or in combination to reduce nitrogen oxides, NO x , emissions from gas turbines. One or more injectors disperse very fine fuel droplets to achieve...
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7040097 |
Gas turbine and associated cooling method
A gas turbine ( 1 ), in particular in a power plant, has at least one combustion chamber ( 2 ) and an enclosed inner liner ( 3 ) which surrounds the combustion chamber ( 2 ) and an enclosed outer...
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7028485 |
Surge prevention for compressor inlet air fogging
A gas turbine or the like with an axial flow inlet compressor has a fogging system for introducing water droplets into the air inlet to the compressor. A compressor may exhibit a “surge” in the...
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6993897 |
Internal combustion engine of open-closet cycle and binary fluid
An engine is disclosed. This invention is a multi-fuel oil-free engine for surface vehicles. With only one cycle and two fluids, air in an open cycle and water in a closed cycle, these fluids mixed...
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6983605 |
Methods and apparatus for reducing gas turbine engine emissions
A gas turbine engine includes a combustor system including a lean premix combustor and a water delivery system. The combustor is operable with a fuel/air mixture equivalence ratio less than one and...
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6968698 |
Gas turbine engine
A gas turbine engine ( 10 ) comprises a second compressor ( 14 ), a first compressor ( 16 ), a heat exchanger ( 18 ), a combustor ( 20 ), a first turbine ( 22 ), a second turbine ( 24 ) and a third...
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6966745 |
Method for intermediate cooling and gas turbine system with intermediate cooling
In a method and a device for intermediate cooling during compression in a gas turbine system, the gas turbine system includes at least one first ( 1 ) and one second compressor ( 2 ), a combustion...
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6951111 |
Combusting hydrocarbons excluding nitrogen using mixed conductor and metal hydride compressor
Provided is a combustion engine having a combustion chamber. The combustion engine comprises an engine housing having an air intake port, a mixed conductor, a water intake port, an exhaust turbine...
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6948319 |
Cogeneration device
A cogeneration system is provided which includes a prime mover for obtaining power for driving a generator by combustion of a fuel, a waste heat boiler for recovering thermal energy from exhaust...
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6938425 |
System and method for controlling water injection in a turbine engine
A method for controlling the injection of water into the combustor ( 16 ) of a gas turbine ( 18 ) may include determining a flow rate of water to be injected into the combustor ( 16 ) and...
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