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7611324 |
Method and system to facilitate enhanced local cooling of turbine engines
A method of assembling a gas turbine engine is provided. The method includes coupling at least one turbine nozzle segment within the gas turbine engine. The at least one turbine nozzle segment...
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7607885 |
Methods and apparatus for operating gas turbine engines
A method of operating a gas turbine engine is provided. The method includes channeling cooling air towards a shroud hanger assembly such that the cooling air flows through a cavity defined in the...
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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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7597533 |
BOAS with multi-metering diffusion cooling
A blade outer air seal used in a gas turbine engine, the BOAS including a metering plate with metering holes and an impingement plate with impingement holes, the metering plate and impingement...
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7594800 |
Ventilation assembly for wind turbine rotor hub
A ventilation assembly for a wind turbine rotor hub is provided, the ventilation assembly comprising a frame fixedly mountable to the rotor hub, the frame including at least one opening, and a...
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7588412 |
Cooled shroud assembly and method of cooling a shroud
A cooled shroud assembly for a gas turbine engine having a longitudinal centerline includes at least one arcuate shroud segment surrounding a row of rotating turbine blades. The shroud segment has...
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7585152 |
Cooling jets
Cooling jets 1 are provided with a longitudinal aspect 2 greater than width 3 . Thus, the coolant flow through the jet 1 is less susceptible to deflection by lateral or cross flows presented...
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7568882 |
Impingement cooled bucket shroud, turbine rotor incorporating the same, and cooling method
A localized directional impingement cooling is used to reduce the metal temperatures on highly stressed regions of the tip shroud.
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7553128 |
Blade outer air seals
A blade outer air seal (BOAS) has a body having an inner (ID) face and an outer (OD) face, first and second circumferential ends, and fore and aft longitudinal ends. The BOAS has one or more...
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7553122 |
Self-aspirated flow control system for centrifugal compressors
A flow control system for a centrifugal compressor includes a plurality of suction holes provided in a diffuser and configured to facilitate suction of a flow control stream from a boundary layer...
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7524163 |
Nozzle guide vanes
A turbine nozzle guide vane 10 with passages 28 leading from a hollow core 32 to respective seal strip slots 20 , to deliver cooling air to abutment faces 18 on each end of the vane 10.
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7520715 |
Turbine shroud segment transpiration cooling with individual cast inlet and outlet cavities
A shroud segment of a turbine shroud of a gas turbine engine comprises a platform with front and rear legs. The platform defines a plurality of axially extending holes with individual inlets on an...
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7513739 |
Cooling circuits for a turbomachine moving blade
A moving blade for a turbomachine, the central portion of the blade including a pressure-side cooling circuit and a suction-side cooling circuit. The pressure-side circuit comprises at least first...
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7491029 |
Active clearance control system for gas turbine engines
A gas turbine engine generally includes a compressor, a combustor, and a turbine. The turbine can include an integrated manifold comprising a plenum defined by a manifold disposed in connection...
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7484929 |
Exhaust fan systems
Exhaust apparatus for exhausting “dirty” exhaust gases accept a core flow of such exhaust gases and combine that with an annularly-surrounding “rooftop” flow of ambient air for diluting the...
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7481621 |
Airfoil with heating source
An airfoil ( 26 ) for a gas turbine engine ( 10 ) having a source of heat for controlling a temperature gradient across the airfoil components. In one embodiment the airfoil includes a CMC outer...
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7478629 |
Axial flow supercharger and fluid compression machine
A compression and vacuum-producing machine includes a housing, at least one rotating disk having a plurality of blades rotationally supported within the housing, and at least one stationary disk...
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7473074 |
Exhaust fan
The subject invention relates to a fan housing, comprising a unitary molded structure formed from a material that has a flame spread rating of twenty five or less. The unitary molded structure...
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7465150 |
Cooled gas turbine guide blade for a gas turbine, use of a gas turbine guide blade and method for operating a gas turbine
Described is a cooled gas turbine guide blade for a gas turbine, with a hollow blade profile which comprises an onflow edge onto which a working medium is capable of flowing, and with, for guiding...
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7465149 |
Turbine engine cooling
It is known there is ingestion of hot gas flow 35 from an annular flow 36 in gas turbine engines. This flow 35 is prevented from attaching to the disc by coolant flow 32 passing through...
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7458766 |
Turbine blade cooling system
Efficient cooling of a stage of gas turbine engine turbine blades ( 36 ) is achieved by first reducing the pressure of the cooling air after it has been bled from the annulus of the compressor ( 12...
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7445432 |
Enhanced serpentine cooling with U-shaped divider rib
A cooling passageway for use in an airfoil prtrion of a turbine engine component having a pressure side wall and a suction side wall is provided. The cooling passsageway comprises a serpentine flow...
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7431559 |
Dirt separation for impingement cooled turbine components
A vane for use in a gas turbine engine has a leading edge facing an upstream combustor. The vane has hollow areas that receive an impingement tube for delivering impingement air. The impingement...
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7413399 |
Method and apparatus for distributing fluid into a turbomachine
An apparatus for distributing a fluid in a gas flow path inside a turbomachine, comprising: a device for introducing the fluid into the gas flow path; and wherein the device is positioned within...
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7390167 |
Compressor with centripetal air takeoff
A compressor with a centripetal air takeoff system that includes pipes installed between an outer collar and an inner collar. Each pipe is fitted in a hole in the outer collar and in a hole in the...
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7387488 |
Cooled turbine shroud
A cooled turbine shroud includes an arcuate flow path surface adapted to surround a row of rotating turbine blades, and an opposed interior surface; a forward overhang defining an axially-facing...
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7367190 |
Supercharger with electric motor
In a supercharger ( 10 ) with an electric motor in accordance with the present invention, the electric motor ( 20 ) is arranged at a position adjacent to a compressor impeller ( 6 ), a center...
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7360988 |
Methods and apparatus for assembling turbine engines
A method facilitates the assembly of a gas turbine engine. The method comprises providing a turbine nozzle including an inner band, an outer band, and at least one vane extending between the inner...
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7360987 |
Stator of a high-pressure turbine of a turbomachine, and a method of assembling it
A method of assembling sectored elements of an annular stator of a high-pressure turbine of a turbomachine about a longitudinal axis of said turbine, in which method an angular distribution pattern...
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7351030 |
Connection device for making a connection between a turbomachine nozzle and a feed enclosure for feeding cooling fluid to injectors
A connection device between a nozzle and a feed enclosure for feeding cooling fluid to at least one injector in a turbomachine, the device comprises at least one bushing having open axial ends...
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7351029 |
Rotary vacuum blower
An impeller, set in rotation by a motor, provided with blades and enclosed in a casing which defines a circumferential annular conduit in which the blades turn. The annular conduit exhibits two...
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7347661 |
Casing arrangement
A casing arrangement of a gas turbine includes a casing member, which is formed to extend at least partially around the component. The casing member defines a fluid flow path for the flow of a...
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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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7328580 |
Chevron film cooled wall
A wall in a gas turbine engine includes inner and outer surfaces having a row of compound chevron film cooling holes extending therethrough. The chevron holes diverge both longitudinally and...
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7320575 |
Methods and apparatus for aerodynamically self-enhancing rotor blades
An airfoil having a root, a tip, and an outer surface for pressuring air flowable thereover. The outer surface includes one or more slots elongate in a direction selected to preclude or reduce...
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7316539 |
Vane assembly with metal trailing edge segment
Embodiments of the invention relate to a vane assembly formed by a forward airfoil segment and an aft airfoil segment. The aft segment is made of metal and can define the trailing edge of the vane...
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7306424 |
Blade outer seal with micro axial flow cooling system
A turbine blade outer air seal assembly includes a hot side exposed to a combustion hot gas flow, and a back side that is exposed to a supply of cooling air. The outer air seal segment includes a...
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7296967 |
Counterflow film cooled wall
A turbine wall includes opposite back and front sides. Film cooling holes are inclined longitudinally through the wall. Adjacent holes are spaced laterally apart and are inclined oppositely for...
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7296966 |
Methods and apparatus for assembling gas turbine engines
A method of assembling a gas turbine engine includes coupling at least one turbine nozzle segment within the gas turbine engine, each turbine nozzle segment includes at least one airfoil vane...
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7293953 |
Integrated turbine sealing air and active clearance control system and method
An active clearance control system is provided that uses compressor extraction air to manipulate blade tip clearance in an industrial gas turbine and compressor. A stream of air is taken from a...
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7278818 |
Turbomachine for low temperature applications
A turbomachine for low-temperature applications has a housing, a rotor shaft disposed in the housing, an impeller disposed on one shaft end of the rotor shaft, to which a cold gas is applied, and...
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7273345 |
Method for operating a turbo engine and turbo engine
Means for driving a flow are arranged in cavities which are formed, in particular, in multishell casings of turbo engines. In one embodiment, within the cavity, ejectors are arranged which are...
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7271515 |
Gas-cooled electrical machine with pressure charging
A gas-cooled electric machine includes a generator housing, a rotor shaft, at least one axial fan disposed on the rotor shaft inside the generator housing and having a hub, and a pressure boosting...
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7270175 |
Extended impingement cooling device and method
An extended impingement cooling structure to cool outside an air supply plenum comprises an inner wall; an impingement sheet; a series of supports to maintain the inner wall in spaced relation to...
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7264444 |
Aerofoils
An aerofoil has a body, and at least one flow control device, the flow control device including a passage within the body of the aerofoil, and a passage outlet at an upper aerofoil surface of the...
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7264438 |
Method for cooling a turbo machine and turbo machine
The invention relates to a method and a device for cooling thermally stressed regions in a turbo machine which has a live-steam feed line ( 9 ), an inflow region ( 17 ), a housing ( 2 ) and an...
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7249463 |
Aerodynamic fastener shield for turbomachine
A fastener shield for use in a fluid flow path within a gas turbine engine for reducing fluid drag and heating generated by fluid flow over a plurality of circumferentially spaced fasteners. The...
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7246999 |
Stepped outlet turbine airfoil
A turbine airfoil includes an internal cooling circuit between opposite pressure and suction sidewalls. The pressure sidewall includes a row of outlet slots for the circuit separated by converging...
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7246993 |
Coolable segment for a turbomachine and combustion turbine
A coolable segment for a turbomachine such as a combustion turbine, which turbomachine is operated with a hot fluid. The segment comprises a cooling wall extending in an axial direction and in a...
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7244104 |
Deflectors for controlling entry of fluid leakage into the working fluid flowpath of a gas turbine engine
A deflector arrangement is provided for improving turbine efficiency by imparting added tangential velocity to a leakage flow entering the working fluid flowpath of a gas turbine engine.
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