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Rotary kinetic fluid motors or pumps October patent listing 10/08

20080260514 - Method for damping tower vibrations in a wind turbine installation: A method in connection with a wind turbine installation for damping tower vibrations, in particular a floating wind turbine installation comprising a floating cell, a tower arranged over the floating cell, a generator mounted on the tower that is rotatable in relation to the wind direction and fitted with a... Agent: Sutherland Asbill & Brennan LLP

20080260515 - Pump: A pump includes a pumping unit including therein an impeller for sucking and discharging a liquid; and a pump case accommodating therein the pumping unit and provided with an inlet for sucking the liquid into the pump and an outlet for discharging the liquid out of the pump. The impeller... Agent: Bacon & Thomas, PLLC

20080260516 - Method for modifying a multistage compressor: A method for modifying a multistage compressor (101) involves exchanging the rotor blades of the first compressor rotor blade row (LA1) for modified rotor blades which have an identical blade leaf profile (121) to the original rotor blades and the blade angle (B′11) of which is different from the blade... Agent: Volpe And Koenig, P.C. Dept. Alstom

20080260517 - Fan apparatus: A fan apparatus includes a casing and a fan unit. The casing is a hollow member having an inlet and an outlet. The fan unit has an inlet and an outlet, and includes a plurality of axial fans. The fan unit is disposed on the inside of the casing, and... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080260518 - Holweck vacuum pump: A Holweck vacuum pump includes a pump rotor (16) having a rotating tube (24), a respective pump stator (12,14) comprising a helical thread groove (21,23) on the radial inside and outside of said rotor tube (24), and an inlet-side rotor blade disk (28) provided with a supporting ring (30) which... Agent: Fay Sharpe LLP

20080260519 - Surge detection in a gas turbine engine: A method for detecting a surge condition during operation of a gas turbine engine includes detecting a change of pressure differential between fuel flows in a fuel system of the engine during engine operation.... Agent: Ogilvy Renault LLP (pwc)

20080260520 - Turbocharger and variable-nozzle cartridge therefor: A variable-nozzle turbocharger includes a cartridge containing a variable vane mechanism connected between the center housing and the turbine housing. The cartridge comprises an annular nozzle ring supporting an array of rotatable vanes, an insert having a tubular portion sealingly received into the bore of the turbine housing and having... Agent: Honeywell International Inc.

20080260521 - Sealing arrangement: A sealing assembly comprises a bore in a housing, a plurality of seal rings and a shaft. The bore comprises a plurality of seats disposed at different seat radius for the seal rings. The bore comprises for each pair of adjacent seats axially inward of an inner end of the... Agent: Buchanan, Ingersoll & Rooney PC

20080260523 - Gas turbine engine with integrated abradable seal: An abradable land assembly for a gas turbine engine includes a mount portion and an open cell portion which is to be abraded. Both portions are formed integrally from a single piece of material.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080260522 - Gas turbine engine with integrated abradable seal and mount plate: An abradable sealing land for a gas turbine engine includes a mount plate and an open cell portion which is to be abraded. Both portions are formed integrally from a single piece of material.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080260524 - Heat shield for sealing a flow channel of a turbine engine: A heat shield arrangement for local separation of a flow channel within a turbine engine, with respect to a stator housing radially surrounding the flow channel is provided. The heat shield includes two axially opposite joining contours which are each engageable with two components which are axially adjacent along the... Agent: Volpe And Koenig, P.C. Dept. Alstom

20080260525 - Device for supplying pulse width-modulated output pulses for the motor of a fan: A device for supplying pulse width-modulated output pulses for the motor of a fan has an arithmetic unit and at least one final output stage. The arithmetic unit and the final output stage are disposed in a rod-shaped housing. A fan encompasses a device that is located in a rod-shaped... Agent: Baker Botts L.L.P. Patent Department

20080260526 - Counter-rotating axial-flow fan: A counter-rotating axial-flow fan includes a housing that is constituted from a first divided housing unit and a second divided housing unit. Engaging members and first stopper portions are integrally formed with a first flange portion of the first divided housing unit. The first stopper portions are arranged adjacent to... Agent: Rankin, Hill & Clark LLP

20080260527 - Fan assembly: A centrifugal fan assembly has a fan with a number of vanes at a peripheral edge of a rotor, a motor, arranged coaxially to the inside of the rotor, that rotates the fan, and a casing that houses the fan and the motor. The casing has an air inlet in... Agent: Arent Fox LLP

20080260528 - Turbocharger: The invention relates to a turbocharger comprising a turbine casing (2) which has an exhaust-gas inlet opening (3) and an exhaust-gas outlet opening (4); comprising a turbine wheel (5) which is fastened to a shaft (6) and is arranged in the turbine casing (2); comprising a plurality of blades (7;... Agent: Borgwarner Inc. C/o Patent Central LLC

20080260529 - Turbine nozzle support device and steam turbine: A steam turbine includes a turbine casing, a turbine rotor disposed in the turbine casing, a plurality of turbine stages, a cylinder substantially coaxial with the turbine casing, and a fixing partition plate having an outer edge fixed to the turbine casing and an inner edge fixed to an outer... Agent: Foley And Lardner LLP Suite 500

20080260530 - Counter-rotating axial-flow fax: A support frame portion is divided into a first support-frame half-portion and a second support-frame half-portion along a virtual reference dividing plane. A raised portion is integrally formed with each of side walls in a pair of the first web half-portion, projecting toward the second web half-portion beyond the virtual... Agent: Rankin, Hill & Clark LLP

20080260514 - Method for damping tower vibrations in a wind turbine installation: A method in connection with a wind turbine installation for damping tower vibrations, in particular a floating wind turbine installation comprising a floating cell, a tower arranged over the floating cell, a generator mounted on the tower that is rotatable in relation to the wind direction and fitted with a... Agent: Sutherland Asbill & Brennan LLP

20080260515 - Pump: A pump includes a pumping unit including therein an impeller for sucking and discharging a liquid; and a pump case accommodating therein the pumping unit and provided with an inlet for sucking the liquid into the pump and an outlet for discharging the liquid out of the pump. The impeller... Agent: Bacon & Thomas, PLLC

20080260516 - Method for modifying a multistage compressor: A method for modifying a multistage compressor (101) involves exchanging the rotor blades of the first compressor rotor blade row (LA1) for modified rotor blades which have an identical blade leaf profile (121) to the original rotor blades and the blade angle (B′11) of which is different from the blade... Agent: Volpe And Koenig, P.C. Dept. Alstom

20080260517 - Fan apparatus: A fan apparatus includes a casing and a fan unit. The casing is a hollow member having an inlet and an outlet. The fan unit has an inlet and an outlet, and includes a plurality of axial fans. The fan unit is disposed on the inside of the casing, and... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080260518 - Holweck vacuum pump: A Holweck vacuum pump includes a pump rotor (16) having a rotating tube (24), a respective pump stator (12,14) comprising a helical thread groove (21,23) on the radial inside and outside of said rotor tube (24), and an inlet-side rotor blade disk (28) provided with a supporting ring (30) which... Agent: Fay Sharpe LLP

20080260519 - Surge detection in a gas turbine engine: A method for detecting a surge condition during operation of a gas turbine engine includes detecting a change of pressure differential between fuel flows in a fuel system of the engine during engine operation.... Agent: Ogilvy Renault LLP (pwc)

20080260520 - Turbocharger and variable-nozzle cartridge therefor: A variable-nozzle turbocharger includes a cartridge containing a variable vane mechanism connected between the center housing and the turbine housing. The cartridge comprises an annular nozzle ring supporting an array of rotatable vanes, an insert having a tubular portion sealingly received into the bore of the turbine housing and having... Agent: Honeywell International Inc.

20080260521 - Sealing arrangement: A sealing assembly comprises a bore in a housing, a plurality of seal rings and a shaft. The bore comprises a plurality of seats disposed at different seat radius for the seal rings. The bore comprises for each pair of adjacent seats axially inward of an inner end of the... Agent: Buchanan, Ingersoll & Rooney PC

20080260523 - Gas turbine engine with integrated abradable seal: An abradable land assembly for a gas turbine engine includes a mount portion and an open cell portion which is to be abraded. Both portions are formed integrally from a single piece of material.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080260522 - Gas turbine engine with integrated abradable seal and mount plate: An abradable sealing land for a gas turbine engine includes a mount plate and an open cell portion which is to be abraded. Both portions are formed integrally from a single piece of material.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080260524 - Heat shield for sealing a flow channel of a turbine engine: A heat shield arrangement for local separation of a flow channel within a turbine engine, with respect to a stator housing radially surrounding the flow channel is provided. The heat shield includes two axially opposite joining contours which are each engageable with two components which are axially adjacent along the... Agent: Volpe And Koenig, P.C. Dept. Alstom

20080260525 - Device for supplying pulse width-modulated output pulses for the motor of a fan: A device for supplying pulse width-modulated output pulses for the motor of a fan has an arithmetic unit and at least one final output stage. The arithmetic unit and the final output stage are disposed in a rod-shaped housing. A fan encompasses a device that is located in a rod-shaped... Agent: Baker Botts L.L.P. Patent Department

20080260526 - Counter-rotating axial-flow fan: A counter-rotating axial-flow fan includes a housing that is constituted from a first divided housing unit and a second divided housing unit. Engaging members and first stopper portions are integrally formed with a first flange portion of the first divided housing unit. The first stopper portions are arranged adjacent to... Agent: Rankin, Hill & Clark LLP

20080260527 - Fan assembly: A centrifugal fan assembly has a fan with a number of vanes at a peripheral edge of a rotor, a motor, arranged coaxially to the inside of the rotor, that rotates the fan, and a casing that houses the fan and the motor. The casing has an air inlet in... Agent: Arent Fox LLP

20080260528 - Turbocharger: The invention relates to a turbocharger comprising a turbine casing (2) which has an exhaust-gas inlet opening (3) and an exhaust-gas outlet opening (4); comprising a turbine wheel (5) which is fastened to a shaft (6) and is arranged in the turbine casing (2); comprising a plurality of blades (7;... Agent: Borgwarner Inc. C/o Patent Central LLC

20080260529 - Turbine nozzle support device and steam turbine: A steam turbine includes a turbine casing, a turbine rotor disposed in the turbine casing, a plurality of turbine stages, a cylinder substantially coaxial with the turbine casing, and a fixing partition plate having an outer edge fixed to the turbine casing and an inner edge fixed to an outer... Agent: Foley And Lardner LLP Suite 500

20080260530 - Counter-rotating axial-flow fax: A support frame portion is divided into a first support-frame half-portion and a second support-frame half-portion along a virtual reference dividing plane. A raised portion is integrally formed with each of side walls in a pair of the first web half-portion, projecting toward the second web half-portion beyond the virtual... Agent: Rankin, Hill & Clark LLP

20080253877 - Control system: A stability control algorithm is provided for a centrifugal compressor. The stability control algorithm is used to control a variable geometry diffuser and a hot gas bypass valve (when provided) in response to the detection of compressor instabilities. The stability control algorithm can adjust the position of a diffuser ring... Agent: Mcnees Wallace & Nurick LLC

20080253878 - Fuel pump: A fuel pump is provided with a casing and a substantially disk-shaped impeller that can rotate within the casing. A group of concavities is formed in each surface of the impeller. The concavities forming the group are arranged in concentric circles with respect to the rotation axis of the impeller.... Agent: Dennison, Schultz & Macdonald

20080253879 - Blower for vehicles: The present invention relates to a blower for vehicles, which includes guide walls formed on a bypass passageway formed between a scroll case and an outer case to send the indoor air and the outdoor air to a lower suction opening of the scroll case, thereby reducing suction noise by... Agent: Fulbright & Jaworski, LLP

20080253880 - Counter-rotation drive: The mechanical counter-rotation drive according to the present invention is based on the laws of relative motion of an eccentric part of one of at least two shafts, which are constitutive parts of this drive, with respect to the plates of a determined shape whose motion is confined by pins... Agent: Marko Ivankovic C/o Magdy S. Attia, Ph.d.

20080253881 - Engine: In prop fan and contra fan gas turbine engines particularly utilised with regard to pusher configurations towards the aft of an aircraft, there is a significant problem with regard to debris and bird strikes resulting in particulate matter which may damage the engine thrust core. By providing an inlet rotor... Agent: Oliff & Berridge, PLC

20080253882 - Turbine engine variable stator vane: A turbine engine variable stator vane includes a platform having a circumference adjoining opposing surfaces. A trunnion extends from one of the opposing surfaces. An airfoil is supported on the other of the opposing surfaces opposite the trunnion. The airfoil includes leading and trailing edges. An overhanging portion of the... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080253883 - Casing: Casings are utilized within gas turbine engines in order to provide both an environmental containment for the engine core as well as inhibit release of debris should engine components fragment and fail in service. Traditionally, casings have taken the form of a solid containment shield to prevent debris and object... Agent: Mccormick, Paulding & Huber LLP

20080253884 - Out-flow margin protection for a gas turbine engine: A cooled turbine exhaust case assembly includes a plenum defined at least in part by a forward outer diameter flowpath ring and a turbine case, a probe positioned at a probe opening formed in the forward outer diameter flowpath ring, and an inlet opening in the turbine case for introducing... Agent: Kinney & Lange, P.A.

20080253885 - Gas turbine engine vane: A gas turbine engine vane has first and second members. The first member has a first surface section forming a suction side of an airfoil of the vane. The second surface section forms leading and trailing portions of a pressure side of the airfoil. The third surface section forms a... Agent: Bachman & Lapointe, P.C. (p&w)

20080253886 - Fan holder: A fan holder is provided for holding a fan on a base, wherein the fan holder includes a fixed frame, a movable frame, and a lid. The fixed frame is fixed on the base while the movable frame is pivotally connected to the base, and the movable frame is spaced... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080253887 - Aeromechanical blade: A blade is disclosed. The blade includes a metallic base comprising an airfoil, a section of the airfoil comprising a recess within a surface of the airfoil, and a composite inlay disposed within and bonded to the recess.... Agent: Cantor Colburn, LLP

20080253888 - Cooling fan: A cooling fan includes a base (31), an impeller (33), a magnetic ring (38) and a stator (30). The base has a central tube (311) extending upwardly therefrom. An annular protrusion (313) is formed around the tube near a bottom end thereof. The protrusion is homocentric with the tube. The... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080247860 - Hydroelectric power plant and method of generating power: A hydroelectric power plant includes a fluid intake, a fluid exhaust, a fluid engine located in a fluid path between the fluid intake and the fluid exhaust, and a fluid accelerating device located adjacent to the fluid exhaust. The fluid accelerating device is configured to accelerate fluid past the fluid... Agent: Andrew F. Knight

20080247861 - drive unit in particular for use in connection with tank cleaning equipment: To ensure that liquid and/or vapours do not escape from a tank space during cleaning by means of cleaning equipment, a housing (2) is provided with magnetic coupling equipment according to the invention, comprising two cooperating pole elements (8,9) which extend hermetically isolated from each other with pole parts extending... Agent: William J. Sapone Coleman Sudol Sapone P.C.

20080247862 - Compressor inlet duct: An inlet for a compressor having a housing defining a generally C-shaped inlet opening and a rotor cavity configured to contain first and second rotors is provided. The inlet includes an inlet duct defining an inlet opening and a generally C-shaped outlet opening. The inlet duct has an inner wall... Agent: General Motors Corporation Legal Staff

20080247863 - Sensor: Sensors (32, 52, 72) for determining a gap between a conductive member (34, 54, 74) such as a blade in a gas turbine engine and a seal segment (31, 51) are known to use capacitive variants in order to create an electrical signal indicative of the gap width. Thermal disparities... Agent: Oliff & Berridge, PLC

20080247864 - Fan and fan frame thereof: A fan includes an impeller and a fan frame. The fan frame has a main body and at least one sound absorber, wherein the main body has a passage for receiving the impeller, a plurality of flanges are disposed on a periphery of the main body, a recess is defined... Agent: Birch Stewart Kolasch & Birch

20080247865 - Device and method for axially displacing a turbine rotor: A device and method for axially displacing at least one turbine rotor relative to at least one corresponding turbine stator in a multistage axial turbine is disclosed. The turbine shaft is provided with a split design and has a first axially displaceable shaft half, which is connected via a turbine... Agent: Crowell & Moring LLP Intellectual Property Group

20080247866 - Compressor and compressor housing: A housing is incorporated as part of a compressor having blades that impart to a fluid a momentum along a main gas flow direction and a swirl. The housing includes a channel that has at least one channel wall and defines an axis substantially aligned with the main gas flow... Agent: Honeywell Turbo Technologies

20080247867 - Gap seal in blades of a turbomachine: A gap seal (9) radially seals a gap (8) which extends axially and radially between two blades (1, 2) of a turbomachine which are adjacent in the circumferential direction (3). The two blades (1, 2) have, in each case, an axially extending longitudinal slot (10, 11), which is open towards... Agent: Cermak Kenealy & Vaidya LLP

20080247868 - Fan and impeller thereof: A fan has an impeller, a motor and a frame. The impeller and the motor are disposed within the frame, and the motor is connected to the impeller and drives the impeller to rotate. The impeller includes a hub and an odd number of blade sets. The blade sets are... Agent: Birch Stewart Kolasch & Birch

20080247869 - Combustion air supply blower with access cover and motor and fan assembly: A combustion air supply blower includes a blower housing having a housing body and housing cover. The cover is removably attached to the housing body and generally provides access to a motor and fan assembly including a fan and a motor. The motor and fan assembly is removably mounted within... Agent: Thompson Coburn, LLP

20080247870 - Compressor and compressor housing: A housing is disclosed for a compressor having a duct defining a main gas flow axis and blades that draw a fluid through the duct. The blades impart to the fluid a momentum along a main gas flow direction and a swirl. The housing includes a volute configured to extend... Agent: Honeywell Turbo Technologies

20080240902 - Method and system for rub detection in a steam turbine: A method for detecting rubbing between components in a steam turbine, the method includes: sensing a temperature at a plurality of locations on a casing of the steam turbine; comparing the sensed temperatures of the plurality of locations; detecting the rubbing between the components if one of the plurality of... Agent: Nixon & Vanderhye P.C.

20080240903 - Method of pumping gaseous matter via a supersonic centrifugal pump: A method of pumping gaseous matter comprises a step of providing a pump rotor, intake port, exhaust port, and gas passageway. The gas passageway operatively connects the intake port to the exhaust port. The exhaust port is radially farther from the rotor's center axis than is the intake port. The... Agent: Thompson Coburn, LLP

20080240904 - Method of pumping gaseous matter via a supersonic centrifugal pump: A method of pumping gaseous matter comprises a step of providing a pump rotor, intake port, exhaust port, and gas passageway. The gas passageway operatively connects the intake port to the exhaust port. The exhaust port is radially farther from the rotor's center axis than is the intake port. The... Agent: Thompson Coburn, LLP

20080240905 - Exhaust pump, communicating pipe, and exhaust system: An exhaust pump that prevents particles from entering a processing chamber of a substrate processing apparatus. The exhaust pump connected to the processing chamber has rotary blades and an air intake portion disposed on the processing chamber side of the rotary blades. A shielding unit is disposed inside the air... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080240907 - Expansion turbine having a variable nozzle mechanism: Expansion turbine having a variable nozzle mechanism comprises an adiabatic expansion device located in a vacuum container having a turbine impeller threrein which rotates and drives the turbine impeller during adiabatic expansion of very low temperature gas, and varies the throat area of very low temperature gas introduced in the... Agent: Ostrolenk Faber Gerb & Soffen

20080240908 - Expansion turbine having a variable nozzle mechanism: Expansion turbine having a variable nozzle mechanism comprises an adiabatic expansion device located in a vacuum container having a turbine impeller therein which rotates and drives the turbine impeller during adiabatic expansion of very low temperature gas, and varies the throat area of very low temperature gas introduced in the... Agent: Ostrolenk Faber Gerb & Soffen

20080240906 - Variable-vane assembly having fixed axial-radial guides and fixed radial-only guides for unison ring: A variable-vane assembly for a variable nozzle turbine comprises a nozzle ring supporting a plurality of vanes affixed to vane arms that are engaged in recesses in the inner edge of a unison ring. The unison ring is rotatable about the axis of the nozzle ring so as to pivot... Agent: Honeywell Turbo Technologies

20080240909 - Bearing arrangement for a turbine rotor of a drill string turbine: Bearing Arrangement for a Turbine Rotor of a Drill String Turbine The invention is directed to a bearing arrangement for a turbine rotor (10) of a turbine (3) adapted to be mounted in a drill string (2) and to be driven by the flow of drilling fluid, comprising a turbine... Agent: Collard & Roe, P.C.

20080240910 - Turbo-molecular pump, substrate processing apparatus, and method for suppressing attachment of depositions to turbo-molecular pump: A turbo-molecular pump that enables reliable suppression of attachment of depositions onto component parts thereof. The turbo-molecular pump discharges a deposition-causing gas from a processing chamber. A rotor has a rotor shaft aligned with an exhaust stream. A cylindrical casing houses the rotor therein. A plurality of blade-form rotor blades... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080240911 - Heat insulating structure for expansion turbine, and method of manufacturing the same: A heat insulating structure for an expansion turbine includes an adiabatic expansion device including an expander body that includes an outlet passage for refrigerant fluid at a central portion thereof and an introduction chamber for refrigerant fluid communicating with an inlet of the outlet passage on an outer peripheral portion... Agent: Ostrolenk Faber Gerb & Soffen

20080240912 - Method and apparatus for assembling turbine engines: A method of assembling a stator assembly includes coupling at least one stator ring segment to a portion of a casing using at least one circumferential stator ring groove defined in the casing. The method also includes coupling at least one stator blade assembly to a portion of the stator... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20080240913 - Fan frame with diversion structure: The present invention provides an improved fan frame with a diversion structure. A cooling fan includes a rotor, and fan blades spaced around the rotor at intervals. The fan frame positions the rotor and defines a diversion loop, which corresponds to the air outlet direction when fan blades are turning... Agent: Egbert Law Offices

20080240915 - Airtight external shroud for a turbomachine turbine wheel: External shroud for a turbomachine turbine wheel, this shroud being formed of ring sectors (120) positioned circumferentially end to end, and each comprising a circumferentially directed plate (136) bearing a block (138) of abradable material, the plate and the block of each ring sector being offset one with respect to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080240914 - Intermediate casing for a gas turbine engine: An intermediate casing for use in a gas turbine engine comprises inner and outer casing walls 2, 4, a support plate 6, supporting an axial end of each of the casing walls 2, 4, a splitter 8, and an array of vanes 10. At least one of the casing walls... Agent: Oliff & Berridge, PLC

20080240916 - System and apparatus for improved turbine pressure and pressure drop control: A system for improved power generation through movement of water having a turbine with a generally cylindrical housing, where the turbine is positioned to receive kinetic energy from moving water, and a member positioned circumferentially about the housing for inducing a pressure drop across the turbine. The member may be... Agent: James D. Petruzzi

20080240917 - Turbofan case and method of making: A casing for a gas turbine includes a construction providing improved structural efficiency. Improved load paths and means for transmitting loads in the engine case are disclosed.... Agent: Ogilvy Renault LLP (pwc)

20080240918 - Gear case assembly: A gear case assembly includes an upper gear case and a lower gear case accommodating a drive axle, at least one rotation axle receiving power from the drive axle, and a power transmission unit for transmitting the power to the at least one rotation axis. The upper and lower gear... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.