Rotary kinetic fluid motors or pumps inventions 08/08

20080206039 - 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 first nonpulsating pressure signal PC representative of tip clearance, sensing a second pressure PB substantially unaffected by tip... Agent: Pratt & Whitney

20080206040 - Anti-stall casing treatment for turbo compressors: A compressor includes a casing defining a generally cylindrical flow passage, a rotor carrying at least one set of rotor blades, at least one set of stator blades, and anti-stall casing treatment. The casing treatment includes an annular recess in the casing for removing low momentum flow adjacent the tips... Agent: Crowell & Moring LLP Intellectual Property Group

20080206041 - Drag vacuum pump: A friction vacuum pump (10) comprises a housing (12) defining a vaneless pump stator (30), a rotor drive and a rotor support which rotatably supports a pump rotor (16) provided with a vane (18). The housing (12) surrounds the overall axial length of the pump rotor (16), the rotor drive... Agent: Fay Sharpe LLP

20080206042 - 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 edge that is substantially perpendicular to the inner surface, and coupling a turbine nozzle to the turbine... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080206044 - Noise reduction assembly for aircraft turbojet: A noise reduction assembly located at a junction plane between an air intake structure and a fan casing of an aircraft turbojet has improved acoustic properties since the alternation of acoustic and non-acoustic zones is displaced or eliminated. In particular, the inner wall of the air intake structure includes a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080206043 - Rotor for a turbomachine: The invention refers to a rotor for a turbomachine, wherein the rotor has a vibration reduction device which is formed in such a way that it damps vibrations of the rotor which emerge during operation of the turbomachine. The damping is achieved by means of a rolling body inside the... Agent: Siemens Corporation Intellectual Property Department

20080206045 - Control of variable-pitch blades: The device for controlling a pivot of a variable-pitch blade (1) comprises a control lever (2) and a pivot (3) comprising a bottom end (31) and a top end (32), said top end (32) being connected to the control lever (2). According to the invention, this device is noteworthy in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080206046 - Rotor seal segment: A ceramic seal segment for a shroud ring of a rotor of a gas turbine engine, the ceramic seal segment positioned radially adjacent the rotor and characterized by being a hollow section that defines an inlet and an outlet for the passage of coolant therethrough.... Agent: Oliff & Berridge, Plc

20080206047 - Turbine stage in a turbomachine: A turbine stage in a turbomachine comprising ring sectors (20) arranged about a turbine impeller (18), and an annular support (50) supporting the ring sectors and attached to a turbine casing (22), this annular support being able to be deformed elastically in the radial direction to cushion at least a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080206048 - Method of manufacturing a gas turbine casing out of composite material, and a casing as obtained thereby: A composite material casing of varying thickness, in particular for a gas turbine fan, is made by forming fiber reinforcement and densifying the reinforcement with a matrix. The fiber reinforcement is made by winding superposed layers of a fiber texture onto a mandrel, the texture being made by three-dimensional weaving... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080206049 - Blade angle setting for a turbomachine: A straightener blade for a turbomachine, comprising a platform arranged at a radially external end of the blade and adapted to be engaged in a annular groove of a housing, and a threaded rod radially extending outwardly from the platform and adapted to pass through an orifice of the housing... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080206050 - Dual taper fan-motor assembly: A motor-driven fan assembly includes a bracket which couples to a motor assembly and includes an outlet port. A shroud assembly defines a chamber and includes an inlet port. The shroud assembly is received on a bracket and a bearing-supported shaft is driven by the motor assembly and extends through... Agent: Renner Kenner Greive Bobak Taylor & Weber

20080199300 - Means to reduce secondary flow in a centrifugal pump: A technique improves the pumping performance of a centrifugal pump in a cost-effective manner. The centrifugal pump comprises a pumping component having one or more vanes defining fluid flow paths. A passage is formed through at least one vane such that an end of the passage is exposed to a... Agent: Schlumberger Reservoir Completions

20080199301 - Fan case reinforcement in a gas turbine jet engine: Described is reinforcement of a fan case in a gas turbine jet engine. In one embodiment, a containment ring and a heat resistance ring are shrink interference fit on the inside diameter of the fan case, the containment ring where the large fan blades turn, and the heat resistance ring... Agent: Konrad Raynes & Victor, LLP

20080199302 - Fuel pump for engine: A fuel pump includes a bearing element disposed in proximity to an impeller. The bearing element is configured to form a fuel seal with the impeller and to drain fuel leaked from the pump chamber back into the pump chamber. The bearing element minimizes leakage of fuel from the pump... Agent: Bainwood Huang & Associates LLC

20080199303 - Gas turbine engine cooling system and method: Fuel (12) supplied to a rotary fluid trap (42) is centrifugally accelerated within a first cavity (46) adjacent a first side (48) of a rotor (24), and is then directed though a plurality of first passages (66) extending through the rotor (24) between and proximate to the blades (26), and... Agent: Raggio & Dinnin, P.C.

20080199304 - Instruments including tools: A tool has a flange attached to an engine housing. A primary cam is rotated to advance segments into the housing and a second rotational cam causes the segments to turn relative to each other as they are being inserted into the housing. This causes the segments to follow a... Agent: Oliff & Berridge, PLC

20080199305 - Cooling fan with thermostatic air output: A cooling fan with thermostatic air output has a water cistern and a water reservoir respectively disposed on the top portion and the bottom portion of the fan body, wherein an electric fan and two pipes of recycling pipe and water outlet pipe for water circulation are disposed therein; Wherein... Agent: Bacon & Thomas, PLLC

20080199306 - Turbomachine casing with treatment, a compressor, and a turbomachine including such a casing: The invention relates to a casing supporting series of stationary vanes between which there are disposed series of moving blades movable in rotation about a longitudinal axis, the radially outer ends of said moving blades being close to the inside face of the casing. In characteristic manner, the casing includes,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080199307 - Flexible, high-temperature ceramic seal element: A ceramic seal element (200) for use in a turbo-machine comprises a first, rigid portion (210) comprising ceramic fibers (212) bound within a ceramic matrix binder (214), a second, flexible portion (220) comprising ceramic fibers (222), and a third, rigid portion (230) comprising ceramic fibers (232) bound within a ceramic... Agent: Siemens Corporation Intellectual Property Department

20080199308 - Air tapping circuit arrangement, a compressor stage comprising same, the compressor comprising same and a turbojet comprising same: c

20080199309 - Removable bearing arrangement for a wind turbine generator: A wind generator having removable change-out bearings includes a rotor and a stator, locking bolts configured to lock the rotor and stator, a removable bearing sub-assembly having at least one shrunk-on bearing installed, and removable mounting bolts configured to engage the bearing sub-assembly and to allow the removable bearing sub-assembly... Agent: Patrick W. Rasche (22402)

20080199310 - Axial flow turbine: An axial flow turbine provided with a stage composed of a turbine nozzle and a turbine rotor blade arranged in an axial flow direction. Both end portions of a nozzle blade of the turbine nozzle are supported by a diaphragm inner ring and a diaphragm outer ring, and a flow... Agent: Foley And Lardner LLP Suite 500

20080199311 - Blower scroll: A blower scroll comprising a base and a wall extending from an outer edge of the base. The base may include an outlet formed in the base a diverting device extending about at least a portion of the outlet. The diverting device may obstruct the flow of water droplets in... Agent: Foley And Lardner LLP Suite 500

20080199312 - Guide vane arrangement of a turbomachine: A guide vane arrangement of a turbomachine includes a casing, at least one guide vane carrier connected to the casing and having a first carrying portion and a second carrying portion spaced apart axially from the first carrying portion, a plurality of guide vanes connected to the guide vane carrier... Agent: Darby & Darby P.C.

20080199313 - Method of manufacturing rotor and exhaust turbo-supercharge incorporating the rotor: Provided are a method of manufacturing a brazed rotor composed of a wheel and a shaft joined to the former by brazing, having a durability and a reliability which can be enhanced without increasing the manufacturing man hours, and a turbine rotor for an exhaust turbo-supercharger. The wheel having a... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080193275 - Electric machine: An electric machine has a rotor and a stator as well as a method for cooling such a machine. In order to improve cooling of an electric machine, the electric machine (18) has a rotor (2) that is excited by permanent magnets, a stator (38), magnets (3) which are arranged... Agent: Baker Botts L.l.p. Patent Department

20080193276 - Stacked self-priming pump and centrifugal pump: A stacked pump arrangement for mixed-media flow includes a first, self-priming, centrifugal pump with a volute having an inlet and an outlet and a second straight centrifugal pump mounted to an upper portion of the first centrifugal pump, the second straight centrifugal pump also having a volute with an inlet... Agent: Mcdermott Will & Emery LLP

20080193277 - Impeller rear cavity thrust adjustor: An apparatus for adjusting a thrust load on a rotor assembly of a gas turbine engine includes an impeller rear cavity defined between a rear face of an impeller of the rotor assembly and a stationary wall spaced axially apart from the rear surface of the impeller. A pressurized air... Agent: Ogilvy Renault LLP (pwc)

20080193278 - Integrated support/thermocouple housing for impingement cooling manifolds and cooling method: A impingement cooling system for heavy duty turbines that includes a manifold affixed to a casing of the heavy-duty turbine, wherein the manifold includes a plurality of impingement holes in the surface of the manifold and a blower that provides air flow across the plurality of impingement holes of the... Agent: Nixon & Vanderhye P.c.

20080193279 - Relief device for a turbojet and a turbojet comprising same: blanking means (58, 60, 62, 64, 66) capable of opening and closing said relief circuit and wherein the relief circuit (32, 34, 36, 52, 56) comprises upstream holes (32) of the intermediate casing (20), downstream holes (34) of the intermediate casing (20), an annular channel (52) defined between the intermediate... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080193280 - Hole liners for repair of vane counterbore holes: A variable vane shroud for a gas turbine engine comprises a cylindrically shaped body, a hole arranged at a circumference of the body, and a counterbore arranged concentrically around the hole on a radially inward facing surface of the body. The hole is for receiving a trunnion from a variable... Agent: David R. Fairbairn Kinney & Lange, P.a.

20080193281 - Method for manufacturing a variable-vane mechanism for a turbocharger: A variable-vane cartridge mechanism for a turbocharger is assembled from a nozzle ring, an insert that engages a turbine housing bore, and a plurality of spacers. Holes larger in diameter than the spacers are formed in the nozzle ring and a nozzle portion of the insert, such that the spacers... Agent: Honeywell Turbo Technologies

20080193282 - Method of cooling an accessory gearbox: The accessory gearbox (AGB) has at least one coolant passage between the AGB and the accessory for externally cooling the accessory without coolant flow inside the accessory.... Agent: Ogilvy Renault LLP (pwc)

20080193283 - Bling nozzle/carrier interface design for a steam turbine: A bling nozzle/carrier interface design for a steam turbine is provided wherein there is limited contact between the carrier (casing, shell) to allow for ease of assembly. There is also limited contact in strategic locations to both reduce the roll, or downstream deflection, of the inner portion and to improve... Agent: Nixon & Vanderhye P.c.

20080193284 - Blower housing and method of manufacture: An improved blower housing and method of manufacture comprising a wrapper wall sheet conjoined with a first side wall and a second side wall and held together with a seam interlocked with mating protrusions and apertures. The housing design may utilize different types and thicknesses of conjoined materials and reuse... Agent: Patent Docket Department Armstrong Teasdale LLP

20080193285 - Centrifugal fan: A centrifugal fan comprises a casing (2) and an impeller (5) that is mounted in the casing (2) and turns about a defined axis of rotation (X). The casing (2) has an axial inlet opening, through which air is drawn in, and a tangential air discharge opening (7). The tangential... Agent: Nath & Associates

20080193286 - Radiator-shroud structure: A shroud 15 attached to an air discharge side of a radiator 13 narrows toward a centrifugal-flow-type rotary fan 11 and forms a cylindrical shape. A surrounding portion 17 is provided so as to surround the rotary fan 11. A guide portion 23 extending in the centrifugal direction of the... Agent: Jacobson Holman Pllc

20080193288 - Diffuser restraint system and method: A restraint system (300, 300′, 500) for a vaned diffuser (225) of a turbocharger (100) or other fluid boosting device is provided that can reduce or eliminate losses. The system (300, 300′, 500) uses a structure to provide both a pressure load on the vaned diffuser (225) and a seal... Agent: Borgwarner Inc. C/o Patent Central Llc

20080193287 - Housing, fan device, mold and method: There is provided a fan device with improved performance such as a lower noise level and a higher strength. Such a fan device (11) includes an impeller (12) that has a plurality of rotating blades rotating to take in and exhaust air in an axial direction, a motor that drives... Agent: Volentine & Whitt Pllc

20080193289 - Vane arrangement of a turbo machine: A vane arrangement (1) of a turbo machine (4), in particular of a gas turbine, includes at least one vane carrier (2) attached to a housing (5) of a turbo machine (4), and several vanes (3) attached to the vane carrier (2) and circumferentially arranged side by side, wherein the... Agent: Cermak Kenealy & Vaidya LLP

20080193290 - Hook ring segment for a compressor vane: Embodiments for a compressor stator vane assembly in a gas turbine engine are disclosed. In an embodiment of the present invention a stator vane assembly is provided having a plurality of vanes each with an attachment and channels machined into the forward and aft walls of the attachment. A forward... Agent: Shook, Hardy & Bacon LLP Intellectual Property Department

20080187431 - Power system: A method of using a gas turbine engine is provided. The method may include supporting a first portion of the gas turbine engine on one or more guide tracks extending in a first direction, the first direction being at an angle to a longitudinal axis of the gas turbine engine.... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080187432 - Vertical axis wind turbine: A vertical axis wind turbine having a plurality of blades spaced from a rotatable around a rotor shaft vertical to the ground. The plurality of blades are arranged in a helical pattern about the rotor shaft. Each blade is flexible to move in response to wind and has a top,... Agent: Head, Johnson & Kachigian

20080187433 - Fan array fan section in air-handling systems: A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units at peak efficiency. The plurality of fan units... Agent: Chernoff, Vilhauer, Mcclung & Stenzel

20080187434 - Device and procedure for axial thrust compensation: Compensation for the axial thrust in a pump, in particular a vertical pump, having at least one drive unit and at least one rotary pump unit. In operation of the pump a compensating piston which is axially non-displaceably connected to the shaft of the impeller wheel of the rotary pump... Agent: Hahn Loeser & Parks, LLP

20080187435 - Turbine shroud cooling system: A method of cooling a shroud ring in a turbine section of gas turbine engine includes identifying a series of alternating high temperature regions and lower temperature regions of a circumferential temperature distribution about the inner surface of the shroud ring, and impinging cooling air on to an outer surface... Agent: Ogilvy Renault LLP (pwc)

20080187436 - Instrument port seal for rf measurement: A turbine engine includes a target structure, for example, a rotating turbine blade. A probe is arranged near the target structure for communicating a detection frequency relative to the target structure for gathering information such as tip clearance. A housing is arranged adjacent to the target structure. In one example,... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080187437 - Air blower having a raised column therein to reduce air flow pressure change and noise: An air blower includes a base having a raised column, an arcuate recess between an inner face of the base and an outer periphery of the column and a bottom nozzle, a fan assembly mounted on top of the raised column to generate air flow and having a conical top... Agent: Joe Mckinney Muncy

20080187438 - Air flow channel structure for air compressor: An air flow channel structure for an air compressor is disclosed. The air flow channel structure comprises a shell and four flow channel sections, in which one of the flow channel sections is not disposed on the shell to increase additional heat dissipation area, and this flow channel section is... Agent: G. Link Co., Ltd

20080187439 - Blower assembly with pre-swirler: A blower assembly for use in a vehicle is disclosed, wherein the blower assembly includes a pre-swirler for causing a change of direction of air entering the blower assembly.... Agent: Fraser Clemens Martin & Miller LLC