Match Document Document Title
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...
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...
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...
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...
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...
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;...
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...
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...
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,...
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...
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...
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.
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...