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7621716 |
Turbine case cooling
A method of controlling turbine case cooling in a gas turbine engine, the method including monitoring the present state of the engine 32 and using a predictive model based system 44, 46 to...
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7614853 |
Composite shaft
A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive...
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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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7608353 |
Method for detecting compressor surge in a fuel cell system using a mass flow meter
A method for detecting compressor surge in a fuel cell system. The system includes a turbomachine compressor that delivers charge air to the cathode side of a fuel cell module. A bi-directional...
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7604453 |
Methods and system for recuperated circumferential cooling of integral turbine nozzle and shroud assemblies
A method for cooling a shroud segment of a gas turbine engine is provided. The method includes providing a turbine shroud assembly including a shroud segment having an inner surface and a leading...
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7600962 |
Turbine exhaust system and method for modifying the same
A turbine exhaust system includes an exhaust hood inner casing that involves the turbine rotor; an exhaust hood outer casing that forms an exhaust hood, together with the exhaust hood inner casing;...
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7600961 |
Fluid transfer controllers having a rotor assembly with multiple sets of rotor blades arranged in proximity and about the same hub component and further having barrier components configured to form passages for routing fluid through the multiple sets of rotor blades
Fluid transfer controllers (FTCs) having a rotor assembly with multiple rotor blade sets coupled to a hub component of the rotor assembly and further having barrier components forming passages for...
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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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7581920 |
Method for air circulation in a turbomachine compressor, compressor arrangement using this method, compression stage and compressor incorporating such a arrangement, and aircraft engine equipped with such a compressor
An air circulation method in a turbomachine compressor includes minimizing an inner flowpath between two adjacent blades by providing labyrinths on an inner casing between the two adjacent blades,...
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7578870 |
Fluid separating device
A fluid separator device allows for introducing air entrained in a liquid flow to a centrifugal pump in a manner that will not allow the pump to become gas bound. One example device designed...
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7575409 |
Apparatus and method for active control of blade tip clearance
An active blade clearance control system for a gas turbine engine. The clearance between the tip of a rotatable blade and an inner surface of a blade track is adjusted by moving the blade track...
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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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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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7549835 |
Leakage flow control and seal wear minimization system for a turbine engine
A system and method for extending seal life and for reducing leakage flow in a turbine engine is directed to an interface defined between a stationary component and a rotating component. A seal,...
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7549834 |
Actuation pressure control for adjustable seals in turbomachinery
An actuation pressure control system effects actuation of adjustable seal segments between stationary and rotating turbomachinery members. At least one actuator is coupled with each of the...
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7540704 |
Method and system for determining gas turbine tip clearance
A system for sensing at least one physical characteristic associated with an engine including a turbine having a plurality of blades turning inside a casing, the system including: a pressure sensor...
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7524160 |
Hydrokinetic speed governor
A method for governing the speed of a fluid turbine by establishing a circulating flow and a rotational flow with a rotor, and interrupting the rotational flow with an opposing stator. A related...
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7517184 |
Low deflection fan case cotainment fabric
A turbine engine fan casing for containing a separated blade fragment comprising a support case having an axially extending impact zone, a substantially structurally continuous penetrable covering...
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RE40658 |
Methods and apparatus for cooling gas turbine nozzles
A method for assembling a turbine nozzle for a gas turbine engine facilitates improving cooling efficiency of the turbine nozzle. The method includes providing a hollow doublet including a leading...
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7497655 |
Turbine airfoil with near-wall impingement and vortex cooling
An apparatus and method for impingement cooling of a turbine vane, in which the vane includes an insert having a plurality of impingement cavities formed therein and in series such that cooling air...
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7497654 |
Variable nozzle device for a turbocharger and method for operating the same
A variable nozzle device ( 1 ) for a turbocharger comprises an annular nozzle ( 3 ) formed between an inner wall ( 11 ) and an outer wall ( 10 ), and an annular arrangement of adjustable vanes ( 4...
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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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7476075 |
Rotary pump
A rotary pump 10 , e.g. a centrifugal slurry pump, has a main casing 12 housing an impeller 18 rotatable in an impeller cavity 16 defined between end liners 25, 28 and a peripheral main...
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7476074 |
Method for realising a submerged floating foundation with blocked vertical thrust for the coordinated production of mariculture and electrical energy using wind in open sea conditions and submergeable floating foundation for carrying loads to be used in said method
The invention refers to a novel submerged floating foundation body ( 6,13;16 ) which is mounted to the bottom ( 1 ) of the sea or a lake by cables or chains ( 3 ) and supporting a structure...
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7470103 |
Method for determining limit exceedance
A method and system for determining a limit exceedance of an operating parameter in a steam turbine system. Measurement data associated with the operating parameter is received, and a limit...
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7465146 |
Methods and systems for turbine rotor balancing
Methods and apparatus for a balance weight access assembly are provided. The assembly includes an access cover, and an access tube including a first opening, a second opening, and a substantially...
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7465145 |
Tip clearance control system
The invention is a method for controlling blade tip clearance in a turbine engine having a flowpath extending therethrough, and a system for carrying out the method. The method includes acquiring a...
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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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7458765 |
Diamond hard coating of ferrous substrates
The present invention relates to hard coating of ferrous metal substrates using a laser beam with diamond particles in a metal matrix produced from precursor powders of metals which bond to the...
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7458764 |
Nozzle device for a turbocharger and associated control method
A variable nozzle device for a turbocharger comprises an annular arrangement of vanes disposed in a nozzle formed between an inner wall and an outer wall, the outer wall being constituted by an...
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7455495 |
Systems and methods for monitoring thermal growth and controlling clearances, and maintaining health of turbo machinery applications
A system and method for determining thermal growth of motor or engine parts to thereupon control the clearance of motor or engine fan blades is disclosed herein. In addition, a system and method...
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7448843 |
Rotor for jet turbine engine having both insulation and abrasive material coatings
A gas turbine engine is provided with a seal disk that rotates in a closely spaced relationship to a stationary vane. The stationary vane is provided with an abradable tip. The seal disk is...
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7431557 |
Compensating for blade tip clearance deterioration in active clearance control
A method to compensate for blade tip clearance deterioration between rotating blade tips and a surrounding shroud in an aircraft gas turbine engine includes determining one or more variables based...
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7422415 |
Airfoil and method for moisture removal and steam injection
An airfoil configured for removing moisture from the steam flow path and injecting steam into the steam flow path of a steam turbine.
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7422414 |
Inlet guide vane control device of gas turbine
An IGV opening command is set based on an IGV opening A set by an exhaust gas temperature control section, an IGV opening B set by a compressor surge protective control section, and an IGV opening...
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7422413 |
Shroud tip clearance control ring
The present invention is a shroud tip clearance control ring for use in a gas turbine engine in which a rotary blade and a shroud ring form a gap that forms a blade outer air seal, and where the...
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7402020 |
ACM cooling flow path and thrust load design
An air cycle machine includes a housing having a compressor housing portion. A shaft is supported by the housing and includes a thrust runner. A hydrodynamic thrust bearing is arranged adjacent to...
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7387486 |
Axial flow steam turbine assembly
One turbine, e.g. a high pressure (HP) turbine, has a conventional diaphragm and disc structure with impulse turbine stages. A preceding or following turbine, e.g. an intermediate (IP) turbine, on...
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7384234 |
System and method for mounting a fan shroud
A system for mounting a fan shroud to a radiator assembly comprises a fan shroud having a general profile defining at least one fan shroud slot aligned along a first axis. A fan shroud mount is...
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7364399 |
Wind power plant of cyclone type and method of obtaining energy from such
A wind power plant having a tower open at the top and provided with a side inlet for the wind for generating a cyclone in the tower and a substantially horizontal turbine that has inlets through...
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7347660 |
Cross-flow wind turbine
Disclosed are various embodiments of cross-wind turbines that are capable of providing high efficiencies over a wide range of wind velocities. An airfoil stator causes wind to accelerate along its...
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7334980 |
Split ring retainer for turbine outer air seal
A retainer for securing the outer air seal assembly of a turbine rotor stage in a locked position. The outer air seal is suspended from the turbine casing over the rotor stage and is locked to the...
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7331754 |
Optimized nozzle box steam path
Disclosed herein is a nozzle box assembly including a torus, a steam path ring, and a bridge ring. The torus has a plurality of steam inlets and an annular steam outlet. The steam path ring has an...
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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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7331752 |
Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy
A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the...
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7329084 |
Turbomachine
Suitable means for driving a flow are arranged in annular or ring-segment-shaped cavities that are formed in particular in multi-shell casings of turbomachines. Arranged inside the cavity are...
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7303373 |
Wind turbine systems, monitoring systems and processes for monitoring stress in a wind turbine blade
Wind turbine systems, monitoring systems, and processes for measuring stress in a wind turbine blade generally includes embedding and or disposing optical glass fibers on a surface of the wind...
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7284948 |
Turbine with tube arrangement and method of preventing detachment of a fluid flow
Turbine system including a turbine and a tubular arrangement having an exit opening. The tubular arrangement is arranged on a downstream side of the turbine. At least one flow controlling device at...
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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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7267523 |
Composite shaft
A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive...
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