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Gas Turbine

Gas Turbine-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Method of manufacturing and inspecting gas washed components in a gas turbine engine
Rolls-royce Plc
December 07, 2017 - N°20170350683

A method of producing a component having an in use gas washed surface, including: obtaining a reference-component having a reference shape with in use gas washed surface; determining performance-sensitivity-distribution for the reference-component, the performance-sensitivity-distribution having plurality of points, each point indicative of a performance factor for the reference-component; identifying plurality of zones on the reference-component performance-sensitivity-distribution, each zone including at ...
Combustor liner flexible support and method
Nuovo Pignone Srl
December 07, 2017 - N°20170350599

A combustor for a gas turbine is described. The combustor comprises a combustor liner, a metering plate attached to an end of the combustor liner and a combustor casing at least partially surrounding the combustor liner. An end cover is further connected to the combustor casing. The combustor liner is connected to the combustor casing by means of a retainer ...
Contoured shroud swirling pre-mix fuel injector assembly
General Electric Company
December 07, 2017 - N°20170350598

The present disclosure is directed to a fuel injector assembly of a gas turbine engine, including a centerbody, an outer sleeve surrounding the centerbody, an inner sleeve disposed between the centerbody and at least a section of the outer sleeve, and at least one axially oriented vane defined between the centerbody and a section of the inner sleeve. A section ...
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System for cooling exhaust gas with absorption chiller
General Electric Company
December 07, 2017 - N°20170350320

A gas turbine system includes a gas turbine engine configured to combust a fuel and produce an exhaust gas. An exhaust duct assembly is coupled to the gas turbine engine and is configured to receive the exhaust gas. An absorption chiller is fluidly coupled to the exhaust duct assembly and is configured to receive a take-off stream of the exhaust ...
Power plant methods and apparatus
Mitsubishi Hitachi Power Systems Americas, Inc.
December 07, 2017 - N°20170350319

A hybrid power plant system including a gas turbine system and a coal fired boiler system inputs high oxygen content gas turbine flue gas into the coal fired boiler system, said gas turbine flue gas also including carbon dioxide that is desired to be captured rather than released to the atmosphere. Oxygen in the gas turbine flue gas is consumed ...
Combined cycle plant
Mitsubishi Heavy Industries Compressor Corporation
December 07, 2017 - N°20170350279

A combined cycle plant includes: a plurality of turbine devices; and a connection line, in which each of the plurality of turbine devices includes a gas turbine unit which includes a gas turbine, a first compressor, and a waste heat recovery boiler, a steam turbine unit which includes a steam turbine, and a second compressor which is driven by power ...
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Gas Turbine Patent Applications
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Assembled turbine housing
Ford Global Technologies, Llc
December 07, 2017 - N°20170350277

An exhaust gas turbine is provided. The exhaust gas turbine includes a first turbine housing part having insulating material extending along an interior surface and a second turbine housing part having insulating material extending along an interior surface, the second turbine housing part coupled to the first turbine housing part to form a volute directing exhaust gas to a turbine ...
Internal tube oil coke prevention geometry
United Technologies Corporation
December 07, 2017 - N°20170350274

A gas turbine engine includes a bearing compartment with a bottom disposed opposite a top. An outlet is formed in the bottom of the bearing compartment. A seal is positioned between the bottom of the bearing compartment and the top of the bearing compartment. A scavenge line is connected to the outlet. The scavenge line forms a fluid trap that ...
Condensation irradiation system
Rolls-royce Plc
December 07, 2017 - N°20170350272

A condensation irradiation system is disclosed comprising an electromagnetic radiation emitter mounted on a locating structure, the locating structure being arranged in use to position the radiation emitter so as radiation emitted therefrom travels through a condensation detection region adjacent an upstream side of a gas turbine engine fan.
Nozzle cooling system for a gas turbine engine
General Electric Company
December 07, 2017 - N°20170350258

The present disclosure is directed to a nozzle cooling system for a gas turbine engine. An impingement plate is positioned radially inwardly from a radially inner surface of an inner side wall of a nozzle. The impingement plate and the inner side wall collectively define an inner chamber. The impingement plate includes a first portion defining one or more impingement ...
Film-cooled gas turbine component
Siemens Aktiengesellschaft
December 07, 2017 - N°20170350257

A film-cooled gas turbine component for a gas turbine has a surface exposed to a hot gas and a number of film-cooling openings open out, which film-cooling openings combined to form at least one row transverse to a flow direction of the hot gas. Each of the film-cooling openings has a duct section and a diffuser section having an upstream ...
Gas turbine engine rotor including squealer tip pocket
United Technologies Corporation
December 07, 2017 - N°20170350255

A gas turbine engine blade includes a blade portion having a leading edge and a trailing edge. A first surface connects the leading edge to the trailing edge and a second surface connects the leading edge to the trailing edge. A tip section is located at a first end of the blade portion and includes a pocket protruding into the ...
Turbine engine shaft torque sensing
General Electric Company
December 07, 2017 - N°20170350253

A gas turbine engine and system for measuring torque for a gas turbine engine shaft is provided. The system may include a first sensor module, a second sensor module, a first coupler, a second coupler, and a static antenna. The first and second sensor modules may include strain sensors positioned on the gas turbine engine shaft. The first coupler may ...
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Systems and methods for adjusting operations of a gas turbine following a transient event
General Electric Company
November 30, 2017 - N°20170346430

A method may involve monitoring a first set of electrical properties associated with an electrical grid configured to couple to a generator and determining whether a transient event is present on the electrical grid based on the first set of electrical properties. The method may also involve determining a mechanical power present on a shaft of the generator based on ...
Gas turbine power generation system and control system used in the same
Hitachi, Ltd.
November 30, 2017 - N°20170346427

A gas turbine power generation system having an improved function to stabilize the power system is disclosed. The gas turbine power generation system has a dual-shaft gas turbine, an electric generator mechanically connected to a low pressure turbine of the dual-shaft gas turbine and electrically connected to an electric power system, a rotary electric machine mechanically connected to a high ...
Low noise compressor and turbine for geared turbofan engine
Mitu Aero Engines Ag
November 30, 2017 - N°20170343574

A gas turbine engine has a fan, a turbine section having a first turbine including a first turbine rotor, a compressor rotor, and a gear reduction that effects a reduction in a speed of the fan relative to an input speed from the first turbine rotor. Each of the compressor rotor and the first turbine rotor includes a number of ...
Ducting arrangement with injector assemblies arranged in an expanding cross-sectional area of a downstream combustion ...
Siemens Energy, Inc.
November 30, 2017 - N°20170343217

A ducting arrangement (10) in a combustion stage downstream of a main combustion stage of a gas turbine engine is provided. A duct (18) is fluidly coupled to receive a cross-flow of combustion gases from the main combustion stage. Duct (18) includes a duct segment (23) with an expanding cross-sectional area (24) where one or more injector assemblies (26) are disposed. Injector assembly (26) includes one or ...
Gas turbine engine afterburner
Rolls-royce North American Technologies Inc.
November 30, 2017 - N°20170343215

An afterburner for use with a gas turbine engine includes a plurality of vanes distributed downstream of a turbine of the gas turbine engine. The vanes can include one or more exit apertures through which hot combustion flow from a pilot can be injected. The exit apertures can be protrusions or slots in some forms. In some embodiments, cooling passages ...
System for an improved stator assembly
United Technologies Corporation
November 30, 2017 - N°20170343011

An improved stator assembly is disclosed. The stator assembly may comprise an exit guide vane, an od ring, and an id ring. The exit guide vane may couple at one end to the od ring and at an opposite end to the id ring. The exit guide vane may comprise a leading edge opposite of a trailing edge. The od ...
Mechanically retained fan blade cover
United Technologies Corporation
November 30, 2017 - N°20170343007

A blade assembly may be configured to rotate about an axis of a gas turbine engine. The blade assembly may include a blade and a blade cover. A blade may include a first surface defining a perimeter of a cavity in the blade. A first portion of the perimeter of the cavity includes a lip. A blade cover disposed over ...
Gas turbine engine inlet temperature sensor configuration
United Technologies Corporation
November 30, 2017 - N°20170342913

A gas turbine engine including a compressor, a combustor fluidly connected to the compressor via a primary flowpath, a turbine fluidly connected to the combustor via the primary flowpath, an engine controller communicatively coupled to at least one sensor in the gas turbine engine, the controller including a non-transitory memory and a processor, and the at least one sensor including ...
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