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| Number | Title | Issue Date |
| 8186940 | Ventilation arrangement A ventilation arrangement for a wind turbine includes an air inlet opening located in a nose cone of said wind turbine, a manhole cover for covering a manhole of a rotor hub of said wind turbine, the manhole cover providing a vent opening for venting hot air from an... | 05/29/2012 |
| 8182205 | Gas turbine engine with insulated cooling circuit A gas turbine engine is provided comprising a compressor with an insulated cooling circuit. The compressor comprises a compressor casing having a compression chamber and at least one stator and at least one rotor disposed in the compression chamber, the at least one... | 05/22/2012 |
| 8157506 | Device for supplying ventilation air to the low pressure blades of a gas turbine engine A device for supplying ventilation air to a turbine rotor of a gas turbine engine including a first turbine disk, a second turbine disk, and a downstream shell ring together forming a one-piece drum is disclosed. The second turbine disk includes cavities machined in... | 04/17/2012 |
| 8137056 | Impingement cooled structure An impingement cooled structure includes a plurality of shroud members disposed in a circumferential direction to constitute a ring-shaped shroud surrounding a hot gas stream, and a shroud cover mounted on radial outside faces of the shroud members to form a cavity ... | 03/20/2012 |
| 8137057 | Engine intake air compressor and method A compressor assembly (304) includes a compressor housing (312) having a main air inlet (324) and an annular wall (328) defining an inducer bore (325). A secondary inlet passage (322) is disposed around the inducer bore (... | 03/20/2012 |
| 8128344 | Methods and apparatus involving shroud cooling A turbine cooling component comprising a circumferential leading edge, a circumferential trailing edge, a pair of spaced and opposed side panels connected to the leading and trailing edges, an arcuate base connected to the trailing and leading edges having a fore po... | 03/06/2012 |
| 8128343 | Ring segment coolant seal configuration A configuration of seals disposed around and between a plurality of ring segments (10) arrayed annularly about the periphery of moving blades in a gas turbine engine. The seals function to retain coolant in the plenum (18) within each of the ring segme... | 03/06/2012 |
| 8123466 | Blade outer air seal A turbine engine blade outer air seal segment has a body having a base portion. The base portion has a transversely concave ID face, a forward end, an aft end, and first and second circumferential edges. The body has at least one mounting hook. At least one cover pl... | 02/28/2012 |
| 8118539 | Exhaust gas turbocharger for a motor vehicle The present disclosure relates to an exhaust gas turbocharger for a motor vehicle. The turbocharger includes a turbine housing having a first area in which exhaust is carried to a turbine wheel and in which the turbine wheel is essentially situated and having a seco... | 02/21/2012 |
| 8109713 | Heat-dissipating fan A heat-dissipating fan includes a housing, a stator, a rotor and at least one retaining member. The stator and rotor are received inside the housing. The rotor includes an impeller having a plurality of blades. The at least one retaining member is removably mounted ... | 02/07/2012 |
| 8105013 | Vacuum pump A vacuum pump comprises a first pumping section 106, and, downstream therefrom, a second pumping section 108. The pump comprises a first pump inlet 120 through which fluid can enter the pump and pass through both the first and second pumping sec... | 01/31/2012 |
| 8105014 | Gas turbine engine article having columnar microstructure A gas turbine engine article includes a substrate extending between two circumferential sides, a leading edge, a trailing edge, an inner side for resisting hot engine exhaust gases, and an outer side. A gaspath layer is bonded to the inner side of the substrate and ... | 01/31/2012 |
| 8100636 | Recovery of expander-booster leak gas A seal gas recovery method including introducing a first seal gas stream to a first mechanically coupled booster/expander assembly, where the first booster/expander assembly includes a first booster, a first expander, a first shaft that mechanically couples the firs... | 01/24/2012 |
| 8092154 | Integrated fan with pump and heat exchanger cooling capability Disclosed is a compact and integrated fan, pump, and heat exchanger system where air-cooling is performed via the fan, liquid cooling is performed via a pump, and the drilled pump diffusers act as a heat exchanger. The pump has drilled diffusers through which liquid... | 01/10/2012 |
| 8029232 | Sanitary air jet device A sanitary air jet device [1000] is operated by a user blowing air into its first stage inlet [1111] of a mouthpiece [1110]. The air stream causes a first stage turbine [1130] to rotate and spin a shaft [1205]. The shaft passes thr... | 10/04/2011 |
| 7997856 | Stator heat shield A stator heat shield (6) for a gas turbine (1) includes an outside (11) which in the installed state faces a hot gas path (9) of the gas turbine (1), and an inside (12) facing away from the outside (11). A plurality o... | 08/16/2011 |
| 7993097 | Cooling device for a stationary ring of a gas turbine A cooling device for a stationary ring surrounding a gas-turbine hot-gas flow path, said ring being made up of a plurality of ring segments that are fastened by upstream and downstream fastener systems onto a plurality of spacer segments forming a support spacer sur... | 08/09/2011 |
| 7871239 | Multi-segment compressor casing assembly A casing assembly for a compressor includes an internal compression assembly with a shaft and at least one impeller disposed on the shaft. The casing assembly includes an inlet body segment having a fluid inlet, an outlet body segment having a fluid outlet, and a nu... | 01/18/2011 |
| 7819623 | Clearance control apparatus A clearance control apparatus for controlling the clearance between a rotary assembly (17) and a casing (24) surrounding the rotary assembly (17) is disclosed. The clearance control apparatus comprises a temperature measuring device (34) ... | 10/26/2010 |
| 7748952 | Snorkel tube for a gas turbine engine A small twin spool gas turbine engine with a bearing support arrangement in which the bearings are dampened by O-rings secured between the bearing races and the support structure, and in which the bearings are arranged in series so that a cooling air can be passed t... | 07/06/2010 |
| 7740443 | Transpiration clearance control turbine A row of turbine blades is surrounded by a turbine shroud. The shroud is supported by a turbine case having a pair of radially outwardly extending rails. The rails are perforate for channeling therethrough control air to control thermal radial movement of the case, ... | 06/22/2010 |
| 7740442 | Methods and system for cooling integral turbine nozzle and shroud assemblies A method for cooling a shroud segment of a gas turbine engine includes providing a turbine shroud assembly including a shroud segment having a leading edge defining a forward face. A turbine nozzle is coupled to the turbine shroud assembly such that a gap is defined... | 06/22/2010 |
| 7704039 | BOAS with multiple trenched film cooling slots A blade outer air seal for use in a gas turbine engine, the BOAS including a plurality of first diffusion and impingement cooling air cavities separated by stiffener ribs, each diffusion and impingement cavity being connected to a cooling air supply cavity through a... | 04/27/2010 |
| 7670104 | Fan with laminar flow element in front of the suction hole A radial fan (1) with a housing (2) and a fan impeller (3) disposed therein, an air inlet (4) and an air outlet (5) is provided, a pressure space (6) being formed between the latter, and in front of the air inlet (4) ... | 03/02/2010 |
| 7641439 | Flow passage structure for refrigerant compressor A flow passage structure can be disposed in a multi-stage centrifugal refrigerant compressor having a deswirl vane and a return channel bend. The flow passage structure includes a two-way flow passage having a first outlet and a second outlet, for diverging external... | 01/05/2010 |
| 7641440 | Cooling arrangement for CMC components with thermally conductive layer A CMC wall (22) with a front surface (21) heated (24) by a working fluid in a gas turbine. A back CMC surface (23) is coated with a layer (42) of a thermally conductive material to accelerate heat transfer in the plane of the CMC w... | 01/05/2010 |
| 7637716 | Platform cooling arrangement for the nozzle guide vane stator of a gas turbine On a platform cooling arrangement for the nozzle guide vane stator of a gas turbine arranged downstream of the combustion chamber, one or several parallel row(s) of cooling-air ejection ducts (10) are arranged continuously or in groups on the circumference. T... | 12/29/2009 |
| 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 plate forming a plurality of separate diffusion cavities forming a grid. ... | 10/06/2009 |
| 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 outer surface of the platform for transpiration cooling of the platfo... | 04/21/2009 |
| 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 exhaust gases as well as expelling the diluted flow in a forcibly ex... | 02/03/2009 |
| 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 a cooling medium, an onflow edge duct running inside the blade profil... | 12/16/2008 |
| 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 gaps in lock plates 28, 29 by creation of a b... | 12/16/2008 |
| 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 tube includes a radially outer portion and a radially inner portion. An... | 10/07/2008 |
| 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 the gas flow path. A method for installing an apparatus that will distr... | 08/19/2008 |
| 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 inner collar. The system further includes a locking mechanism between... | 06/24/2008 |
| 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 leading edge, an outwardly-extending forward wall and an outwardly-exte... | 06/17/2008 |
| 7367178 | Gas turbine system A gas turbine system comprises a compressor for compressing air, a combustor for burning the air compressed by the compressor and fuel, a turbine driven by combustion gases produced from the combustor, and a spraying apparatus for adding water to working air at leas... | 05/06/2008 |
| 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 housing (14) has a cooling fluid flow path (34 | 05/06/2008 |
| 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 and outer bands, wherein the vane includes a first sidewall and a sec... | 04/22/2008 |
| 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 is defined for distributing elements of the stator over a predetermi... | 04/22/2008 |
