Rotary kinetic fluid motors or pumps inventions 05/08

20080124211 - Diffuser aspiration for a tip turbine engine: A fan-turbine rotor assembly includes a diffuser section (114) which turns and diffuses the airflow from a radial core airflow passage (80) toward an axial airflow direction. Diffuser flow passages communicate with the diffuser passages (144) at a location which reduces separation of the airflow as the airflow is turned... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080124210 - Rotary assembly components and methods of fabricating such components: A rotor assembly for a turbine is provided. The rotor assembly includes a first portion of a rotor component forged from a first material. The first material is processed using a first process. The rotor assembly also includes a second portion of the rotor component separately forged from a second... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080124212 - Wind power installation: A dehumidification device is provided to dehumidify a gaseous medium in a substantially closed space having a plurality of walls. The device includes a first element exposed to the gaseous medium, a cooling device coupled to the first element and configured to cool the first element to a temperature below... Agent: Seed Intellectual Property Law Group PLLC

20080124213 - Wind power installation: An apparatus is provided including a generator, at least two rotor blades coupled to the generator, a pylon, and electrical equipment configured to receive electrical power generated by the generator and located within an internal space of the pylon. The apparatus further includes a dehumidification device adjacent the electrical equipment,... Agent: Seed Intellectual Property Law Group PLLC

20080124214 - Turbine outer air seal: A turbine outer air seal includes, in a radially inner major surface thereof, at least one circumferential groove accommodating a plurality of holes which supply air for film cooling the radially inner surface of the air seal.... Agent: Pratt & Whitney

20080124215 - Gas turbine engine with concave pocket with knife edge seal: A gas turbine engine is provided with turbine sealing structures including knife edge seals which extend at an angle relative to an axial center line of the engine. Each knife edge seal is associated with a concave pocket defined between a radially inner surface and a spaced radially outer surface.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080118342 - Oscillation damping of a wind turbine: The invention relates to a wind turbine and a method for operating the wind turbine planted in the floor of a body of water. The wind turbine includes a support structure and a rotor, which is arranged on the support structure. The rotor has a rotor blade. The wind turbine... Agent: Rankin, Hill & Clark LLP

20080118341 - Wide flow compressor with diffuser bypass: A centrifugal compressor is modified by forming a bypass between the leading edge of the compressor diffuser and a point downstream from the throat of the diffuser. The bypass may be unidirectional or bi-directional. In a bi-directional embodiment, an operable flow range of the compressor can be widened in both... Agent: Honeywell International Inc.

20080118343 - Combustion control for a gas turbine: A method for controlling instability in a combustion system comprising a combustion chamber and a passage external of the combustion chamber which supplies a secondary non-combustible fluid to the combustor chamber. The passage external to the combustion chamber is arranged such that the phase of perturbations in the mass flow... Agent: Mccormick, Paulding & Huber LLP

20080118344 - Helical gear supporting structure, speed increaser for wind power generator, and vertical shaft supporting structure: In a support structure supporting a shaft of a helical gear, a shaft of a speed increase for a wind power generator with a helical gear, or a vertical shaft by a double row rolling element, the double row rolling bearing is so formed that load capacities on the bearing... Agent: Clark & Brody

20080118345 - Turbofan and air conditioner having the same: A turbofan to reduce a blowing noise, and an air conditioner having the same. The turbofan includes a rotating plate coupled to a shaft of a driving motor, a plurality of blades coupled to an outer circumference of the rotating plate, and an annular shroud coupled to an end of... Agent: Stanzione & Kim, LLP

20080118346 - Air seal unit adapted to be positioned adjacent blade structure in a gas turbine: An air seal unit to be positioned adjacent blade structure in a gas turbine is provided. The air seal unit comprises a main body including a plurality of first impingement cavities and at least one first interconnecting passage extending between and communicating with a first pair of the first impingement... Agent: Siemens Corporation Intellectual Property Department

20080118347 - Turbine engine diffusing exhaust muffler: An exhaust muffler is provided for a turbine engine with at least first and second exhaust outlets. The exhaust muffler includes a first arm configured to be coupled to the first exhaust outlet of the turbine engine. The first arm includes an outer surface, and an inner surface that defines... Agent: Honeywell International Inc.

20080118348 - Turbofan gas turbine engine and nacelle arrangement: The arrangement comprises a fan by-pass duct located within the nacelle and having an inlet and an outlet. The outlet is generally oriented substantially radially and at an intermediary location along the nacelle. The nacelle has an aft section with an initially convex and substantially outwardly extending surface adjacent to... Agent: Ogilvy Renault LLP (pwc)

20080118349 - Variable geometry compressor: A variable geometry compressor for use in, for example, a turbocharger. A swing-vane diffuser is provided down-stream of the centrifugal compressor wheel. A nozzle ring is adjustable mounted on a center housing, and defines the nozzle face for the compressor diffuser. No spacers are deployed in the diffuser thereby improving... Agent: Honeywell Turbo Technologies

20080118350 - Turbine seal guards: The application may further describe a seal guard in a turbine where the turbine include a plurality of circumferentially spaced nozzles, a plurality of circumferentially spaced turbine blades that each include a blade cover, and an opening defined by a trailing edge of the nozzles and a leading edge of... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080118351 - Stator vane of turbo molecular pump: A stator vane of a turbo molecular pump suitable for reducing damage of the stator vane is provided. The stator vane (B) of a turbo molecular pump formed annular is formed by abutting a pair of stator vane halves (30,30). In this state, a gap (S) is formed in an... Agent: Bruce L Adams Esq Adans & Wilks

20080118352 - Stator shim welding: A method is provided for attaching a shim to at least one of a base of a stator vane unit and a ring segment of a ring segment assembly in a gas turbine compressor. The method includes providing a shim shaped to conform to an engaging face of the base... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080112789 - Method and device for using wind energy: According to the invention, to use wind energy, a flow is conducted effectively onto a rotor to convert the flow energy by means of a steering mechanism. According to the invention, the steering mechanism permits: the wind to be conducted from a point of higher wind speed to a point... Agent: Friedrich Kueffner

20080112790 - Vacuum side-channel compressor: A vacuum side channel compressor (10) comprises a pump stator (14) and a pump rotor (12), which surround a side channel (31,32,33,34). An axial bearing (22) is provided for mounting the pump rotor (12). A sealing gap (40) is formed next to the side channel between the pump stator (14)... Agent: Fay Sharpe LLP

20080112791 - Compound turbine cooled engine: A gas turbine engine includes a compressor, combustor, and high pressure turbine operatively joined together. The turbine includes a row of nozzle vanes followed by a row of rotor blades. The vanes and blades have corresponding forward and aft internal cooling channels. First, second, third, and fourth bleed circuits are... Agent: Francis L. Conte, Esq.

20080112792 - Water pump: A water pump includes an impeller provided at a first end of a rotational shaft supported by a body via a bearing, a mechanical seal provided between the impeller and the bearing, a draining hole introducing a water drop leaked from an impeller side via the mechanical seal to a... Agent: Darby & Darby P.c.

20080112794 - Compound nozzle cooled engine: A gas turbine engine includes a compressor, combustor, and high pressure turbine operatively joined together. The turbine includes a nozzle followed by a row of rotor blades. A first bleed circuit is joined in flow communication between the last stage of the compressor and a forward cooling channel in vanes... Agent: Francis L. Conte, Esq.

20080112796 - Cowling arrangement: A gas turbine engine (10) comprising a bypass duct (22) defined by radially outer and inner walls (27, 30), the radially inner wall (30) defined by acoustic panels (30). The acoustic panels (30) define the outer wall of a heated fire zone. In conventional engines an insulating blanket is attached... Agent: Oliff & Berridge, Plc

20080112795 - Dual interstage cooled engine: A gas turbine engine includes a compressor, combustor, and high pressure turbine operatively joined together. A first interstage bleed circuit is joined in flow communication between a first preultimate stage of the compressor and hollow blades in the turbine to provide thereto pressurized primary air. A second interstage bleed circuit... Agent: Francis L. Conte, Esq.

20080112793 - Interstage cooled turbine engine: A gas turbine engine includes a compressor, combustor, and high pressure (HP) turbine operatively joined together. An interstage cooling circuit is joined in flow communication from an intermediate stage of the compressor to a forward face of an HP disk supporting a row of turbine blades for channeling interstage bleed... Agent: Francis L. Conte, Esq.

20080112797 - 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, and in turn radial position of... Agent: Francis L. Conte, Esq.

20080112798 - Compound clearance control engine: A gas turbine engine includes a compressor, combustor, and turbine having a row of blades mounted inside a surrounding turbine shroud. A heat exchanger is used for cooling pressurized air bled from the compressor. A distribution network joins the heat exchanger to the turbine for selectively channeling air from the... Agent: Francis L. Conte, Esq.

20080112799 - Gas turbine engine providing simulated boundary layer thickness increase: A nacelle assembly for a gas turbine engine includes a fan cowl disposed about an axis, a core cowl within the fan cowl and a bleed passage having an inlet that receives a bleed airflow and an outlet that discharges the bleed airflow in an upstream direction from the outlet.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080112800 - Finned seals for turbomachinery: A seal assembly (50) controls leakage of working fluid through an annular gap (G) between a static component (16) and a rotary component (28) in a turbomachine. The fixed and moving components (16, 28) each have stepped diameters including a plurality of circumferentially and axially extending lands (56, 58) that... Agent: Cermak Kenealy & Vaidya LLP

20080112801 - Turbofan engine cowl assembly and method of operating the same: An inner core cowl baffle assembly for a turbofan engine assembly is provided. The engine assembly includes a core gas turbine engine, a core cowl which circumscribes the core gas turbine engine, a nacelle positioned radially outward from the core cowl, and a fan nozzle duct defined between the core... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080112802 - Turbofan engine cowl assembly and method of operating the same: A turbofan engine assembly is provided. The turbofan engine assembly includes a core gas turbine engine, a core cowl which circumscribes the core gas turbine engine, a nacelle positioned radially outward from the core cowl, a fan nozzle duct defined between the core cowl and the nacelle, and an inner... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080112803 - Mechanical support of a ceramic gas turbine vane ring: An assembly for mounting a ceramic turbine vane ring onto a turbine support casing comprises a first metal clamping ring and a second metal clamping ring. The first metal clamping ring is configured to engage with a first side of a tab member of the ceramic turbine vane ring. The... Agent: Kinney & Lange, P.a.

20080112804 - Ceramic matrix composite vane seals: A ceramic matrix composite nozzle assembly. The ceramic matrix composite nozzle assembly may include a ceramic matrix composite vane, a number of metallic components positioned about the ceramic matrix composite vane, and a number of metallic seals positioned between the ceramic matrix composite vane and one or more of the... Agent: Sutherland Asbill & Brennan LLP

20080112805 - Fastener device for fastening a free turbine stator with dual centering: The invention relates to the field of free turbines mounted on a gas turbine engine. It provides a fastener device for fastening a free turbine stator on a gas generator casing that shares a common axis with the turbine stator, the fastener device comprising a flange carrying a plurality of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080112806 - Fan and fan housing capable of anti-backflow: A fan housing capable of anti-backflow includes a frame and a plurality of anti-backflow sheets. The frame has a plurality of fixing parts disposed at an opening of an outlet side of the frame. The anti-backflow sheets are respectively pivoted to the fixing parts and cover the opening on the... Agent: Birch Stewart Kolasch & Birch

20080107518 - Method for determining a parameter characteristic of the fatigue state of a part: A method for determining an approximate value for a parameter characteristic of the fatigue state of a component as a result of a time-varying stress to which it is subjected by means of a number of load cycles should, itself, during comparatively lengthy stress cycles, enable a prognosis concerning the... Agent: Siemens Corporation Intellectual Property Department

20080107519 - Turbine blade for a gas turbine: There is described a turbine blade, with a platform and with an aerodynamically profiled blade leaf which extends transversely thereto and which comprises a suction-side blade leaf wall and a pressure-side blade leaf wall which extend from an inflow-side leading edge to an outflow-side trailing edge, with respect to a... Agent: Siemens Corporation Intellectual Property Department

20080107520 - Stator arrangement for turbine: A stator arrangement, or distributor, for a turbine machine is disclosed which includes a guide blade. The blade shaft is supported to be able to pivot around the pivot axis, with a part which is to be guided being situated to the outside. The pivoting device contains a setting ring... Agent: Buchanan, Ingersoll & Rooney Pc

20080107521 - Stacked laminate fiber wrapped segment: A ceramic ring segment for a turbine engine that may be used as a replacement for one or more metal components. The ceramic ring segment may be formed from a plurality of ceramic plates, such as ceramic matrix composite plates, that are joined together using a strengthening mechanism to reinforce... Agent: Siemens Corporation Intellectual Property Department

20080107522 - Radially energized oil capture device for a geared turbofan: A turbine engine utilizes an oil director to direct any leakage oil from a rear bearing compartment of the turbine engine toward a drain opening for an oil drain. The oil drain is formed in a heat shield located between the low pressure turbine and the exhaust nozzle. The oil... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080107523 - Blower: A blower includes a housing and an impeller. The housing has a main inlet and at least one secondary inlet. The impeller is disposed in the housing and has a hub, a plurality of blades and at least one annular plate. Those blades are disposed around the hub. The annular... Agent: Birch Stewart Kolasch & Birch

20080107524 - Fan device capable of increasing air pressure and air supply: A fan device capable of increasing air pressure and air supply includes a fan frame, a base and a fan wheel. The fan frame has an air inlet side, an air outlet and a flow path which defined by the inner wall of the frame. The base is disposed in... Agent: G. Link Co., Ltd.

20080107525 - Shaft seal formed of tapered compliant plate members: A shaft seal reduces leakage between a rotating shaft and a stator. The shaft seal includes a plurality of plate members attached to the stator in facing relation. The plate members define a sealing ring between the stator shell and the rotating shaft. A thickness of the plate members tapers... Agent: Nixon & Vanderhye P.c.

20080101915 - Method for operating a wind energy plant: A method for operating a wind energy plant with a rotor having rotor blades which have an adjustable blade pitch, characterised in that the adjustment of the blade pitch takes place with an adjustment velocity and/or an adjustment acceleration, wherein the magnitude of the adjustment velocity and/or the magnitude of... Agent: Vidas, Arrett & Steinkraus, P.A.

20080101914 - Method for predicting surge in compressor: A method for predicting surge in a compressor is provided, which is applicable to a cooling apparatus equipped with a centrifugal compressor. A set of highest outlet pressure values is obtained by a performance test performed on the centrifugal compressor. A coolant flow rate value and an opening percentage value... Agent: Birch Stewart Kolasch & Birch

20080101913 - Plasma lifted boundary layer gas turbine engine vane: A plasma boundary layer lifting system includes at least one gas turbine engine vane having a spanwise extending airfoil with an outer surface extending in a chordwise direction between opposite leading and trailing edges and chordwise spaced apart plasma generators for producing a plasma extending in the chordwise direction along... Agent: Steven J. Rosen Patent Attorney

20080101917 - Device for limiting turbine overspeed in a turbomachine: A device (40) for limiting overspeed in a turbomachine in the event of breakage of the turbine shaft (24), comprising means (38, 44) of propelling a pin (42) into the path of the blades (22), these propelling means being controlled by means (36) that detect overspeed or that the turbine... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080101918 - Method and system for testing the overspeed protection system of a turbomachine: A method and system of testing an overspeed protection system of a turbomachine may include providing an overspeed protection system on a turbomachine having at least one shaft. The method may: determine whether a permissive or permissive(s) is satisfied; initiate an overspeed test; automatically adjusting the speed of a shaft;... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080101919 - Fan and fan frame thereof: A fan includes an impeller, a motor, and a fan frame. The motor is connected to the impeller and for driving the impeller to rotate. The fan frame is for accommodating the impeller and the motor and the fan frame includes a housing, a motor base and a plurality of... Agent: Birch Stewart Kolasch & Birch

20080101916 - Method and system for deriving wind speed in a stall controlled wind turbine: Methods and systems for improving stall controlled wind turbine effectiveness by accurately determining wind speed without using an anemometer or other independent wind speed measuring device. Wind speed may be determined, among other methods, by tracking a mapped TSR model with respect to an operating stall controlled wind turbine in... Agent: Arent Fox LLP

20080101920 - Fan unit: A serial axial fan unit includes first and second motors with their base portions, i.e., first and second base portions axially facing each other. A motor gap is arranged axially between the first and second base portions. An axial length of the motor gap is preferably in a range from... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080101921 - Impeller for centrifugal pump: A centrifugal pump includes a rotatable shaft; and at lest one impeller attached to the rotatable shaft, wherein the at least one impeller includes a top plate, and a bottom plate, and a plurality of vanes enclosed between the top plate and the bottom plate, wherein at least one of... Agent: Osha & Liang LLP Suite 2800

20080101922 - Asymmetric compressor air extraction method: A method to mistune rotating stall aerodynamics by preventing the formation of coherent unsteady loads. Compressor air is extracted in an asymmetric circumferential pattern. The asymmetric bleed pattern disrupts the rotating stall cell rotational pattern, preventing the formation of a coherent aerodynamic excitation.... Agent: Nixon & Vanderhye P.C.

20080101923 - Turbomachine turbine ring sector: m

20080101924 - Electrical submersible pump: The invention relates to high-speed electrical submersible pumps used for hydrocarbons production from oil wells with high concentration of solids. The technical result such as a longer service life is achieved with the technical design, wherein the pump comprises: a housing with a head and a base, a compression nut,... Agent: Schlumberger Reservoir Completions

20080101925 - Airfoil shape for a turbine nozzle: The first stage nozzles have airfoil profiles substantially in accordance with Cartesian coordinate values of X, Y and Z set forth Table I. The X and Y values are in inches and the Z value is in inches along the nozzle stacking axis coincident with a turbine radius. The X... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080101926 - Gas turbine combustion chamber with fuel injection over an entire combustion chamber annulus: A gas turbine combustion chamber includes an annular combustion chamber (3) confined by an outer (1) and an inner combustion chamber wall (2) and is provided with several fuel injection nozzles (4). Air deflectors (6) are arranged in a front-side area of the annular combustion chamber (3) over the entire... Agent: Timothy J. Klima

20080101927 - Turbine vane id support: A turbine vane ID support system usable to support the ID of a turbine vane and including a transition seal system and a turbine vane ID forward rail seal system. The transition seal system may seal the turbine vane ID support body to a transition, and the turbine vane ID... Agent: Siemens Corporation Intellectual Property Department

20080101928 - Necklace style portable cooling device: A personal cooling device especially adapted to be worn around the neck of the user formed by an enclosure, a power source carried in the enclosure, a centrifugal flow impeller carried within the enclosure, a motor carried within the enclosure for powering the impeller and an air duct formed around... Agent: Basil E. Demeur

20080101929 - Turbocharger with balancing features: An exemplary thrust collar for a turbocharger includes a substantially annular body that includes an axis of rotation, a bore, opposing end surfaces where one of the end surfaces is substantially normal to the axis of rotation and capable of seating a back end of compressor wheel, and a surface... Agent: Honeywell International Patent Service