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Rotary kinetic fluid motors or pumps April category listing, related patent applications 04/10

20100104415 - Riserless transfer pump and mixer/pre-melter for molten metal applications: A pump for processing molten metal having an enlarged tubular body which houses a centrifugal pump at its bottom end. The bottom end has a parabolic shape which receives the ejected molten metal from the impeller and forms a vortex within the tubular body. The pump is controlled to cause... Agent: Steve M Clemmons

20100104416 - Thermally-activated clearance reduction for a steam turbine: A thermally-activated flow clearance reduction for a steam turbine is disclosed. In one embodiment a gap closure component is located about a rotary component and a stationary component of the steam turbine. A temperature differential activates the gap closure component to seal or reduce the radial clearance of the steam... Agent: Hoffman Warnick LLC

20100104417 - Dual rotor wind turbine: Provided is a dual rotor wind turbine having two rotor assemblies. In the dual rotor wind turbine, an inlet guide vane is placed at a lower location in front of each rotor assembly and a rotor shaft of the rotor assemblies is placed in back of a vertical shaft, so... Agent: North Star Intellectual Property Law, PC

20100104418 - Gas turbine: A gas turbine having a rotor which includes a turbine rotor, a shaft and a compressor rotor, the turbine rotor having at least one rotor disk and a rotor cone leading from the or a rotor disk to the shaft, the downstream end of the shaft being rotatably supported in... Agent: Davidson, Davidson & Kappel, LLC

20100104419 - Turbine airfoil with near wall inflow chambers: A turbine airfoil usable in a turbine engine and having at least one cooling system. At least a portion of the cooling system may be positioned in an outer wall of the turbine airfoil for receiving cooling fluids from a cooling fluid supply source, passing those fluids through the chambers... Agent: Siemens Corporation Intellectual Property Department

20100104420 - Method for fitting and protecting a sensor on a substrate: The method consists in depositing, by alumina spraying, an electrically insulating sublayer on the substrate, then in placing the sensor on the electrically insulating sublayer and finally in depositing, by alumina spraying, a cover layer on the sensor and the electrically insulating sublayer. It further includes, before the cover layer... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100104421 - Cooling fan: A cooling fan includes a housing, a cover on the housing and an impeller received in a space between the housing and the cover. The housing includes a bottom wall and a sidewall projecting upwardly from an outer periphery of the bottom wall. The sidewall defines an air outlet therein.... Agent: PCe Industry, Inc. Att. Steven Reiss

20100104422 - Particle separator and separating method for gas turbine engine: A system and method for particle separation in a gas turbine engine centrifugal impeller bleed air system using a tangential velocity component of the compressor bleed air to centrifuge the particles radially outwardly and convey the particles circumferentially, away from a clean air outlet and towards a particle outlet where... Agent: Ogilvy Renault LLP (pwc)

20100104423 - Turbocharger vane: A variable nozzle device including an annular nozzle passage formed by a gap between two opposing wall members and at least one vane rotatably supported in the nozzle passage. The vane is formed by a strip of sheet metal contoured to have an outer aerodynamic profile, and having a hollow... Agent: Honeywell International Inc. Patent Services

20100104424 - Variable turbine geometry turbocharger: A turbocharger is provided having a turbine wheel (4, 4′) with a plurality of extended tips (400, 400′); and a variable turbine geometry assembly in fluid communication with the turbine wheel and having a nozzle ring (6) with a plurality of vanes (7) movably attached thereto. One or more of... Agent: Borgwarner Inc. C/o Patent Central LLC

20100104425 - Charging equipment: The invention relates to a piece of charging equipment having a variable turbine geometry (1), which has guide vanes (3, 4) that are rotatably mounted between a guide vane carrier (2) and a cover disc, wherein the cover disc is fixed/positioned on the guide vane carrier (2) by means of... Agent: Rader, Fishman & Grauer PLLC

20100104428 - Molecular drag pumping mechanism: A vacuum pump comprises a drive shaft and a Siegbahn pumping mechanism. The Siegbahn pumping mechanism comprises a rotor element located on the drive shaft and an annular stator element located about the drive shaft and proximate the rotor element, the stator element comprising a plurality of walls extending towards... Agent: Edwards Vacuum, Inc.

20100104427 - Pressure activated flow path seal for a steam turbine: A pressure activated flow path seal for a steam turbine is disclosed. In one embodiment a gap closure component is located about a rotary component and the stationary component of the steam turbine. A pressure differential activates the gap closure component to seal or reduce the radial clearance of a... Agent: Hoffman Warnick LLC

20100104426 - Turbine engine ring seal: Aspects of the invention relate to a ring seal for a turbine engine. The ring seal can be made up of a plurality of circumferentially abutted ring seal segments. Each ring seal segment can comprise a plurality of individual channels. The channels can be generally U-shaped in cross-section with a... Agent: Siemens Corporation Intellectual Property Department

20100104430 - Component with a protective layer: The invention relates to a component having a substrate and a protective layer, which consists of an intermediate NiCoCrAlY layer zone on or near the substrate and an outer layer zone which is arranged on the intermediate NiCoCrAlY layer zone, which is characterized in that the intermediate NiCoCrAlY layer zone... Agent: Siemens Corporation Intellectual Property Department

20100104429 - Device for tapping cooling air in a turbomachine: Device (10) for the tapping of air for the cooling of flaps of a turbojet nozzle, comprising an annular duct (18) having a radially internal wall (22) swept by a stream of air (24) and which comprises at least one air inlet orifice (20), a flap valve (40) for controlling... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100104431 - Combined axial and transverse constraint and alignment system and method for rotary machines: A system for aligning a shell of a rotary machine with a standard along an axial centerline and a transverse centerline of the rotary machine includes a pair of generally L-shaped hooks on the shell; a generally T-shaped member comprising a base, a post, and a cross member provided to... Agent: Nixon & Vanderhye P.C.

20100104432 - Arrangement for a gas turbine engine: An inlet guide vane arrangement for a gas turbine is provided. The arrangement includes a plurality of guide vane duct elements, the guide vane duct elements include a suction side wall and a pressure side wall, both walls facing each other, and are designed to be adjoinable to another of... Agent: Siemens Corporation Intellectual Property Department

20100104433 - Ceramic shroud assembly: A ceramic shroud assembly suitable for use in a gas turbine engine comprises a metal clamp ring shrink fitted around a ceramic shroud ring and an insulating and compliant interlayer. The interlayer is positioned between the metal clamp ring and the ceramic shroud ring.... Agent: Kinney & Lange, P.A.

20100104434 - Fan device and fan device assembly: A fan device for easily being attached to a fixing plate includes a pair of sliding slots symmetrically defined in two opposite sides thereof, and at least one positioning block extending from at least one of the bottom and the top of the fan device and located close to one... Agent: PCe Industry, Inc. Att. Steven Reiss

20100098525 - Pump system and method for delivering multi-phase mixtures: A pump system (1) is provided for the pumping of multiphase mixtures which includes a pumping apparatus (3) for multiphase mixtures with at least one liquid phase and at least one gaseous phase. The pumping apparatus (3) contains one or more axial compression stages with one respective axial impeller each... Agent: Townsend And Townsend And Crew, LLP

20100098526 - Airfoil with cooling passage providing variable heat transfer rate: A turbine engine airfoil includes an airfoil structure having a side with an exterior surface. The structure includes a cooling passage extending a length within the structure and providing a convection surface facing the side. The convection surface is twisted along the length, which varies a heat transfer rate between... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20100098527 - Fluid flow machine with peripheral energization near the suction side: A fluid flow machine has a main flow path (“MFP”) 2 with a blade row 5 therein, a blade end of a blade row being connected to the MFP confinement and a peripheral chamber 7 arranged near this blade end outside the MFP confinement. An outlet 6 is arranged near... Agent: Shuttleworth & Ingersoll, P.L.C

20100098528 - Torque monitoring apparatus: A torque monitoring apparatus is disclosed herein. The torque monitoring apparatus includes a hub extending along an axis of rotation between first and second opposite ends. The torque monitoring apparatus also includes a plurality of spokes positioned on the hub and extending radially outward from the hub to respective distal... Agent: Meiers Law Office

20100098529 - Turbocharger vane: A vane (234) is provided which reduces leakage of gas in a variable geometry turbocharger (210) from the high pressure side of the vane (234) to the low pressure side of the vane (234). The vane (234) can have a channel (330, 430) along a gas bearing surface (325, 425)... Agent: Borgwarner Inc. C/o Patent Central LLC

20100098530 - Compressor for a gas turbine: A compressor for a gas turbine, in particular an aircraft gas turbine, has a rotor hub carrying rotor blades, a stator equipped with stator vanes, a shroud associated to the stator vanes, and an arrangement providing sealing between the shroud and rotor hub to prevent leakage. To achieve almost complete... Agent: Shuttleworth & Ingersoll, P.L.C

20100098532 - Compressor housing: A compressor section (100) of a turbocharger (501) or other air boost device is provided that can reduce stall noise. The compressor section has a housing (110) with a blind groove (175, 275) formed therein. The blind groove (175, 275) can be in proximity to a leading edge (155) of... Agent: Borgwarner Inc. C/o Patent Central LLC

20100098531 - Multistage pump assembly: A modular pump assembly has a volute (16), having a suction chamber (120) and a pressure chamber (122), and a pump stack (14) having at least one stage (86), wherein a modular flange (44) is arranged between the volute (16) and the pump stack (14) and is removably coupled to... Agent: Panitch Schwarze Belisario & Nadel LLP

20100098533 - Turbine housing, and method of making a turbine housing: A turbine housing of an exhaust gas turbocharger includes an outer casing and a rotor casing which is arranged in the outer casing and includes a tubular neck for engagement in an exhaust pipe to conduct exhaust gas from the neck in a direction of an exhaust flange. The exhaust... Agent: Henry M Feiereisen, LLC Henry M Feiereisen

20100098534 - Integral scroll and gearbox for a compressor with speed change option: The volute is cast integrally with the gearbox base to allow closer radial tolerances to be used to improve efficiency. In the preferred embodiment, compressors for multi-stage compression are assembled with intercoolers and the integral volute is cast together with the impeller housing and the lower gearbox housing and the... Agent: Fletcher Yoder (cameron International Corporation)

20100098535 - Centrifugal blower: A centrifugal multi-blade fan has multiple blades about a rotational shaft and draws in air along the rotational shaft and then blows the air approximately perpendicular to the rotational shaft to reduce wind noise. A scroll casing encloses the multi-blade fan and defines a scroll-shaped airflow passage for directing the... Agent: Harness, Dickey & Pierce, P.L.C

20100098536 - Fluid flow machine with running gap retraction: A fluid flow machine includes a main flow path which is confined by a hub (3) and a casing (1) and in which at least one row of blades (5) is arranged, with a blade end with gap being provided on the blade row, with the blade end and the... Agent: Shuttleworth & Ingersoll, P.L.C

20100098537 - Stator blade ring and axial flow compressor using the same: A stator blade ring is provided with which the possibilities of thermal deformation and a decrease in strength can be reduced, the shape flexibility can be ensured, and the compression performance can be improved. It includes stator blade segments (21) in each of which an inner shroud portion (31) and... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100098538 - Casing for a fluid flow machine: A casing of a fluid flow machine is provided. The casing includes two half-casings which abut against each other on an axial parting plane. The casing also includes a fastening device for fastening the two half-casings to each other and for pretensioning the two half-casings against each other. The fastening... Agent: Volpe And Koenig, P.C. Dept. Alstom

20100098539 - Turbomachine: Disclosed is a high-speed turbomachine comprising a magnetic bearing (22, 23) and a retainer bearing for mounting the rotor. The retainer bearing is embodied as a sliding bearing (26, 27) and encompasses a bearing shell (28) at the stator end, a bearing shaft (20) at the rotor end, and an... Agent: Fay Sharpe LLP

20100092275 - Household appliance including a fan speed controller: A household appliance including a fan speed controller, and a method of controlling fan speed of a household appliance, are provided. The system includes a fan speed controller that cut a voltage to the fan motor, measures an electromotive force (EMF) of the fan motor at a predetermined time after... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20100092276 - Chopper pump: A pump for chopping solid material in a liquid stream having a volute housing, a rotating cutter with at least one blade parallel to a rotational axis of the rotating cutter, an impeller arranged at an outer circumference of the rotating cutter, and a stationary cutter having at least one... Agent: Mcdermott Will & Emery LLP

20100092277 - Fan intake shield: A power tool includes a housing having an intake aperture, a fan disposed within the housing and operable to draw air through the intake aperture, and a fan intake shield positioned adjacent the intake aperture. The fan intake shield includes a first rib, a second rib adjacent the first rib... Agent: Michael, Best & Friedrich LLP

20100092278 - Scalable high pressure compressor variable vane actuation arm: A variable vane arm has a hook portion comprising a radially inner leg connected to a radially outer leg by an arcuate connection, and an actuation lever extending from the hook portion. The hook portion and actuation lever are formed from a singular piece of material.... Agent: Kinney & Lange, P.A.

20100092279 - Sealing means between rotor and housing in a water turbine: A reaction water turbine including: a rotor having an axis of rotation and an radially outer surface; a housing surrounding the rotor and having a bearing support proximate to the radially outer surface of the rotor; and a seal mounted to the bearing support on the housing, the seal includes... Agent: Nixon & Vanderhye, PC

20100092280 - Steam cooled direct fired coal gas turbine: A gas turbine includes a combustor configured to burn a hydrocarbon fuel input and provide a combustion product hot gas output to a turbine inlet having a turbine inlet temperature exceeding about 2200° F., the hot gas output also includes ash in an amount of 0.1% or more by weight... Agent: Cantor Colburn, LLP

20100092281 - Turbine ring assembly for gas turbine: A turbine ring assembly for a gas turbine comprises a one-piece split ring (10) of ceramic matrix composite (CMC) material, a CMC wedge-shaped part (20) having flanks in contact with the ends of the ring, on either side of the split, so as to close the ring, and an annular... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20100092282 - Centrifugal fan: A centrifugal fan includes a top cover plate, a bottom plate, a sidewall and an impeller. The sidewall is defined with an air outlet. The impeller includes a hub and a plurality of blades extending radially outwardly from the hub. An air passage channel is defined between outmost free ends... Agent: PCe Industry, Inc. Att. Steven Reiss

20100092283 - Airfoil shape for a compressor: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in TABLE 1. X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20100092284 - Airfoil shape for a compressor: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in TABLE 1. X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20100092285 - Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water: A circulation system for bodies of water. In one set of embodiments for larger bodies of water, modified horizontal plate designs are provided at the entrance of the draft hose. The plate designs have sections that pivot downwardly as the flotation platform and depending draft hose are rapidly raised in... Agent: Dorr, Carson & Birney, P.C. One Cherry Center

20100092286 - Axial flow fan: An axial flow fan is configured to allow leakage flows in regions near rear edges of bent portions formed by bending outer peripheries of blades towards negative pressure surfaces to smoothly flow out to reduce the vortex scale of the leakage flows themselves and to be able to effectively control... Agent: GlobalIPCounselors, LLP

20100092287 - Pressurized sealed chamber between multiple pressurized casings of machine and related method: A standard for supporting a bearing for a rotating shaft of a machine including a plurality of casings having different gas pressures greater than atmospheric pressure includes a sealed chamber for fluidly coupling to an end packing of a first casing and a second casing of the machine, the sealed... Agent: Hoffman Warnick LLC

20100086393 - Turbine with mixers and ejectors: A Mixer/Ejector Wind/Water Turbine (“MEWT”) system is disclosed which routinely exceeds the efficiencies of prior wind/water turbines. Unique ejector concepts are used to fluid-dynamically improve many operational characteristics of conventional wind/water turbines for potential power generation improvements of 50% and above. Applicants' preferred MEWT embodiment comprises: an aerodynamically contoured turbine... Agent: Fay Sharpe LLP

20100086394 - Hydraulic machine: A hydraulic machine having a hydro turbine runner which has a crown at a center and a band along an outer periphery, and is formed around the axis of rotation, long blades which are arranged along the circumferential direction of the axis of rotation, and whose center-side ends are supported... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20100086395 - Cooling fan with oil-impregnated bearing: A cooling fan with oil-impregnated bearing includes a base portion, a bearing, a fan hub, and a coil assembly. The base portion has a forward extended bearing housing, into which the bearing is tightly fitted with a colloidal material applied between them. The fan hub is mounted on and around... Agent: Nikolai & Mersereau, P.A.

20100086396 - Dual inlet regenerative air pump: The present invention relates to a pump arrangement (10) having a housing (12) and cover (14). The housing (12) and cover (14) form part of a pump mechanism (16). A first inlet or a housing inlet (26) is formed in the housing (12) and is connected to the pump mechanism... Agent: Warn, Hoffmann, Miller & Ozga, P.C.

20100086398 - Method for coating sliding surface of high-temperature member, high-temperature member and electrode for electro-discharge surface treatment: A sliding surface of a high-temperature portion is subjected to an electro-discharge surface treatment with one or both of a high-temperature hard material (4) and a material having a lubricating property at a high temperature (6). The high-temperature hard material (4) is any or a mixture of cBN, TiC, TiN,... Agent: Griffin & Szipl, PC

20100086397 - Surface treatments for turbine components to reduce particle accumulation during use thereof: A turbine engine component includes at least one treated surface wherein the treated surface has a surface roughness (Ra) of less than 12 microinches; and a hard coating disposed on the superfinished surface, wherein the hard coating is a nitride and/or a carbide material at a thickness of less than... Agent: General Electric Company Global Research

20100086399 - High speed air compression system: A moving-air energy recovery system including an air horn having serially disposed segments of differing flare rates, which intercepts a large area of moving air to channel and transform the flow of moving air into a more concentrated, higher velocity of air flow. This higher velocity air flow is applied... Agent: Italia Ip

20100086400 - Intake device and a pump station: In a first aspect the invention relates to an intake device (3) for creating a uniform flow of liquid entering a pump (4), which flow of liquid is free from rotation and swirls about the inlet of said pump. The inlet device (3) comprises an inlet section (11) having an... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20100086401 - Stator vane assembly: A stator vane assembly comprising inner and outer support rings connected by an annular array of stator vanes at locations around the supporting rings, at least one of said stator vanes in said array being a separate, pre-formed stator vane which is slidably connected to one or both of the... Agent: Oliff & Berridge, PLC

20100086402 - High efficiency supercharger outlet: A supercharger is provided that includes a housing having a first end and a second end. The housing may at least partially define a chamber and may include at least one rotor disposed within the chamber. The supercharger includes an inlet port proximate the first end of the housing and... Agent: Dykema Gossett PLLC

20100086403 - Lubrication of windmilling journal bearings: A support shaft provides lubrication to a journal bearing during windmilling operation of a gear set. A primary oil pump provides oil from an oil supply during driven operation of the fan, and a secondary oil pump provides oil from an internal sump during windmilling operation of the fan. During... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20100080683 - Systems and methods for protecting a wind turbine in high wind conditions: Systems for protecting a wind turbine in high wind conditions are disclosed. A shrouded turbine may have an ejector shroud disposed adjacent and downstream of a turbine shroud. In one version, the ejector shroud can move to surround the turbine shroud. In another version, the turbine can be pivoted on... Agent: Fay Sharpe LLP

20100080684 - System for controlling variable-geometry equipments of a turbomachine, particularly by articulated bellcranks: A system for controlling at least two variable-geometry equipments (10, 110) of a turbomachine, the first equipment (10) being a variable pitch stator blade stage of a compressor of a first core moving between a closed position at idle speed and an open position at high speed, the second equipment... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100080685 - Method and apparatus for gas turbine engine temperature management: A cooling system for a turbine engine, as well as a methodology for controlling the cooling system, is described. A valve member is disposed between a cooling fluid passage and a wheel space of the turbine engine and operates to admit cooling fluid to the wheel space for cooling thereof.... Agent: Cantor Colburn, LLP

20100080686 - Multistage high-pressure pump: A multistage high-pressure pump according to the present invention includes a rotational shaft (1), impellers (3) secured to the rotational shaft, a casing (2) configured to house the impellers therein, a mechanical seal (20), a seal chamber (25) that houses the mechanical seal therein, an oil reservoir (30) configured to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100080688 - Hot gas component of a turbomachine including an embedded channel: A component, especially a hot gas component of a turbomachine, has at least one passage (7, 7′), especially a cooling passage, which is embedded in an outer wall (5) of the component (1) of the turbomachine and basically extends parallel to the surface (6) of the component (1). The component... Agent: Cermak Kenealy Vaidya & Nakajima LLP

20100080687 - Multiple piece turbine engine airfoil with a structural spar: A multiple piece turbine airfoil having an outer shell with an airfoil tip that is attached to a root with an internal structural spar is disclosed. The root may be formed from first and second sections that include an internal cavity configured to receive and secure the one or more... Agent: Siemens Corporation Intellectual Property Department

20100080689 - Gas turbine engine rotor and balance weight therefor: A balance weight for a rotor includes: (a) an arcuate body including a front wall and a rear wall interconnected by an end wall, the front, rear, and end walls collectively defining a generally U-shaped cross-sectional shape; and (b) a projection extending outwardly from the rear wall, the projection being... Agent: Trego, Hines & Ladenheim, PLLC

20100080690 - Hydraulic pump: A hydraulic pump includes a housing including an inlet port, an outlet port, and a fluid chamber, a shaft fixed to the housing, a rotor including an impeller portion that rotates relative to the shaft, the impeller portion suctioning and discharging a fluid, a fixed portion provided at the housing... Agent: Buchanan, Ingersoll & Rooney PC

20100080691 - Magnetic adjustment of turbomachinery components: Disclosed is a seal for a turbomachine including at least one fixed component located proximate to a rotating component of the turbomachine defining a clearance therebetween. At least one magnet is located at the at least one fixed component. The at least one magnet is, when activated, capable of moving... Agent: Cantor Colburn, LLP

20100080692 - Fairing seal: A fairing is disclosed, comprising a surface capable of bounding a fluid on the surface and a seal located at an edge portion on the fairing wherein the seal has at least one support flange and a contact face capable of engaging with an adjacent component to facilitate reducing a... Agent: General Electric Company

20100080693 - Turbocharger: The invention relates to a turbocharger (1) comprising a compressor (2) provided with a housing (3), an overrun air valve (4) provided with a valve housing (6) which is fixed to the compressor housing (3), and a boost pressure regulating valve (5). Said turbocharger is characterised in that the boost... Agent: Borgwarner Inc. C/o Patent Central LLC

20100080694 - Variable geometry turbocharger: A turbocharged engine includes an internal combustion engine and a variable geometry turbocharger. The turbocharger is adjustable to operate efficiently under various engine operating and environmental conditions. The turbocharger includes a turbine and compressor, with the compressor including a compressor housing, an impeller rotatably mounted in the housing, and an... Agent: Hovey Williams LLP

20100080695 - Turbine nozzle for a gas turbine engine: A turbine nozzle includes: a hollow, airfoil-shaped turbine vane; and an arcuate first band disposed at a first end of the turbine vane, the first band having a flowpath face adjacent the turbine vane, and an opposed back face. The back face includes at least one open pocket, the at... Agent: Trego, Hines & Ladenheim, PLLC

20100080696 - Blower housing and method of manufacture: Blower housings and methods of manufacture include protrusions and openings in edges thereof providing an interlocking assembly. Reduced manufacturing steps and greater versatility to join different materials and materials of different thickness are provided, without requiring welds and fasteners common to conventional blower housing assemblies.... Agent: Patent Docket Department Armstrong Teasdale LLP

20100080697 - Integrated guide vane assembly: An integrated outlet guide vane assembly for turbomachinery typically includes at least one outlet guide vane and at least one bifurcation having a leading edge and a trailing edge. The turbomachinery has a central axis of rotation and a defined direction of rotation about the axis. The guide vane comprises... Agent: General Electric Company

20100080698 - Method and apparatus for matching the thermal mass and stiffness of bolted split rings: A method and apparatus for controlling distortion in the casing of a gas turbine are disclosed. The method uses a split in the flange ID underneath “false” flanges to tune the hoop stiffness of the casing to match the stiffness and behavior of the bolted joint. By matching the hoop... Agent: Nixon & Vanderhye P.C.

20100080699 - Turbine shroud gas path duct interface: An arrangement for sealing a turbine shroud gas path duct interface of a turbine engine comprises a static shroud surrounding a rotatable airfoil array and an annular duct downstream of the shroud with respect to a gas flow passing through the gas path. The shroud and the duct define a... Agent: Ogilvy Renault LLP (pwc)

20100080701 - Plain bearing unit: A rotating, and/or swinging and/or reciprocating plain bearing unit includes a bearing made of resin containing glass and/or a carbon material; a shaft; and a gas supply portion adapted to supply dry gas subjected to dust removal to a bearing sliding portion where the bearing portion and the shaft slide... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100080700 - Two-shaft engine for an aircraft gas turbine: On a two-shaft engine for an aircraft gas-turbine with a central low-pressure shaft, with a high-pressure shaft co-axially surrounding the low-pressure shaft and with bearing units supporting the shafts on the engine casing, the bearing loads of the high-pressure shaft are directed upstream towards the fan and the bearing loads... Agent: Shuttleworth & Ingersoll, P.L.C