Rotary kinetic fluid motors or pumps inventions 02/08

20080050218 - Aeroengine bleed valve: A bleed valve for a gas turbine engine, the valve comprises a diffuser having a plurality of holes through which a bleed fluid flows and into a fluid stream. The diffuser is characterised in that at least some of the holes are at least partially tangentially angled relative to the... Agent: Oliff & Berridge, PLC

20080050219 - Controllable transmission system and method thereof: A controllable transmission system and a method thereof are provided. The controllable transmission system includes a first rotation device, a coupling device and a control device. The first rotation device includes a transmission shaft, a rotation body and a plurality of blade units connected with the rotation body, wherein each... Agent: Bever Hoffman & Harms, LLP Tri-valley Office

20080050220 - Leaned high pressure compressor inlet guide vane: A variable geometry inlet guide vane assembly that reduces stress placed on downstream compressor blades in gas turbine engines. The invention circumferential leans upstream guide vanes, pushing engine core air flow radially. This allows for aerodynamic stresses on the downstream blades to be reduced. The invention overcomes the difference in... Agent: Bachman & Lapointe, P.C. (p&w)

20080050221 - Systems for moisture removal in steam turbine engines: A system in a steam turbine for removing water droplets from the flowpath of a steam turbine that may include a groove for collecting water droplets, and a plurality of moisture removal holes originating within the groove. The groove may run in a circumferential manner around an outer sidewall of... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080050222 - Singlet welded nozzle hybrid design for a turbine: A singlet welded nozzle hybrid design that includes a singlet, that is, a single airfoil with respective inner and outer sidewall components. The outer sidewall component is received in a radial and circumferential groove of an outer carrier. The connection of the inner sidewall can be achieved by mechanically fitting... Agent: Nixon & Vanderhye P.C.

20080050223 - Turbine airfoil with endwall horseshoe cooling slot: 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 endwall attached to the turbine airfoil. The endwall may include an endwall horseshoe cooling slot positioned in the first endwall proximate to... Agent: Siemens Corporation Intellectual Property Department

20080050224 - Heat accumulation segment: A heat accumulation segment for local separation of a flow duct inside a turbo engine, from a stator housing that radially surrounds the flow duct is provided. The heat accumulation segment includes two axially opposed joining contoured elements that are engageable with two components that are axially adjacent along the... Agent: Volpe And Koenig, P.C.

20080050225 - Heat accumulation segment: A heat accumulation segment for local separation of a flow duct inside a turbo engine, from a stator housing that radially surrounds the flow duct is provided. The heat accumulation segment includes two axially opposed joining contoured elements that are engagable with two components that are axially adjacent along the... Agent: Volpe And Koenig, P.C.

20080050226 - Methods and apparatus for fabricating a rotor for a steam turbine: A method of fabricating a turbine rotor is provided. The method includes fabricating a plurality of substantially cylindrical disks. Fabricating each disk includes fabricating a substantially cylindrical body and extending a bore substantially concentrically through the body. The method also includes coupling at least two of the plurality of disks... Agent: John S. Beulick (17851)

20080050227 - Compression chamber unit and a method for forming such unit: m

20080050228 - Impeller structure and the centrifugal fan device using the same: An impeller structure for a centrifugal fan device is disclosed, in which the impeller structure is primarily comprised of: a disc; and a plurality of blade structures, each being arranged on the disc; wherein, each blade structure further comprises: a first blade; and a second blade, arranged at a circumferential... Agent: Wpat, PC

20080050229 - Interturbine duct with integrated baffle and seal: An integrated duct, baffle and knife edge seal arrangement employing the radially inner distal edge of the baffle for sealing the radially inner stator/rotor interface of an inter-stage cavity.... Agent: Ogilvy Renault LLP (pwc)

20080050230 - Guide vane for rotary turbo machinery: What is described is a turbine guide vane having a guide vane leaf and with a radially outer platform connected to the guide vane leaf and having a platform surface which faces radially away from the guide vane leaf and on which a connecting structure is provided for fastening the... Agent: Volpe And Koenig, P.C.

20080050231 - Ventillation unit: The ventilation unit has an electric motor, the output shaft of which is fitted with a fan having a cup-shaped central body and a number of blades. The central body is defined by a base wall, and by an annular wall from whose outer face the blades extend. And the... Agent: Gary M. Nath The Nath Law Group

20080050232 - Axial flow blower: The present invention provides an axial flow fan capable of increasing an air volume and a static pressure more than conventional axial flow fans, and also capable of reducing generation of noise. A guide wall portion 33 is provided to form a guide groove 31 between the guide wall portion... Agent: Rankin, Hill, Porter & Clark LLP

20080050233 - Turbo machine: A turbomachine (1), in particular a gas turbine, has a stator (2) and a rotor (3) and with at least one axial sealing device (6) arranged between them. On the stator side, the sealing device (6) has a radially stepped sealing contour (8) with regions (9, 10) projecting and retracting... Agent: Cermak Kenealy & Vaidya LLP

20080044272 - Utilizing alternative energy: P

20080044273 - Turbomachine with reduced leakage penalties in pressure change and efficiency: A turbomachine is provided having at least one row of blades oriented at a predetermined stagger. Casing grooves are provided proximate to at least a portion of the tip of the blades. The grooves are oriented substantially normal to the stagger of the blades. The normal of the blade is... Agent: Rudolph J. Buchel Jr., Law Office Of

20080044274 - Bearing housing seal system for centrifugal pumps: A bearing housing sealing system is provided for a centrifugal pump of the type having a rotating shaft supported by roller bearing elements, a housing for the roller bearing elements, the housing having a cylindrical entry for the passage of the pump shaft through the housing and isolating the roller... Agent: Womble Carlyle Sandridge & Rice, PLLC

20080044275 - Pump: A hydrogen circulation pump including a liquid receptacle arranged in a discharge pipe extending upward from a housing or a discharge port arranged in the housing. The liquid receptacle extends along the entire circumference of the inner surface of the discharge pipe or the discharge port. Fine holes far circulating... Agent: Woodcock Washburn LLP

20080044276 - Ring gear mounting arrangement with oil scavenge scheme: A turbine engine includes an epicyclic gear train that has a two-piece ring gear. Each portion of the ring gear includes radially outwardly extending flanges that are axially constrained to a turbo fan shaft by bolts secured circumferentially along the flanges. Knife edge seals are secured to the flanges to... Agent: Carlson, Gaskey & Olds, P.C.

20080044277 - Insert for fan-motor assembly: A fan assembly includes an end bracket which is coupled to a motor assembly. The end bracket includes a circumferential channel which is interrupted by an opening. A fan is provided which includes a plurality of blades. A shroud at least partially encloses the fan and defines a chamber. An... Agent: Renner Kenner Greive Bobak Taylor & Weber

20080044278 - Rotor disc assembly with abrasive insert: Aspects of the invention are directed to a system for improving engine performance by reducing vane tip clearances in the compressor section of a turbine engine. According to aspects of the invention, an abrasive material can be attached to a rotor disc. Thus, if a vane tip contacts the rotor... Agent: Siemens Corporation Intellectual Property Department

20080044279 - Adaptor frame: An adaptor frame comprising an isolated drain path formed in the adaptor frame at a first end of the adaptor frame is disclosed and claimed. An inboard wall is formed in the adaptor frame at the first end and the inboard wall is positioned adjacent an interstitial area. The interstitial... Agent: Law Office Of Jay R. Hamilton, PLC.

20080044280 - Cooling device for the primary nozzle of a dual-flow turbojet engine: The invention relates to a dual-flow turbojet engine comprising an engine which is disposed in a nacelle and is provided with case which defines jointly with the said nacelle an annular passage through which a secondary flow supplied by a fan placed upstream of the engine can flow, a primary... Agent: Oliff & Berridge, PLC

20080044281 - Tip turbine engine comprising a nonrotable compartment: A non-rotating compartment along an engine centerline of a tip turbine engine is defined between an inner support housing, an outer support housing and an aft housing. The non-rotating compartment provides a space that may be utilized for a multitude of engine accessories and components including an engine lubricating fluid... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080038108 - Axial flow turbine with overspeed preventing device: An axial flow turbine motor is provided which includes a rotor with a peripheral row of drive blades and a peripheral band-shaped wall element radially clamped against the tops of the drive blades, and a housing with at least one pressure medium inlet nozzle and an annular inner surface surrounding... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080038109 - Turbomachine: A turbomachine has a shaft mounted in a shaft housing, and a rotor in a rotor housing at one end of the shaft, for compression, expansion, or transport of a working gas. The shaft is mounted by hydrostatic, gas-lubricated bearings that have a connector to a compressed gas line that... Agent: William Collard Collard & Roe, P.C.

20080038110 - Sector-divided turbine assembly with axial piston variable-geometry mechanism: A turbine (40) for a turbocharger (10) has a turbine housing (41) defining a generally annular chamber (43) surrounding a turbine wheel (44), the chamber receiving exhaust gas for driving the turbine wheel. The chamber has dividing walls (46) that divide the chamber into a plurality of angular sectors (43a,43b),... Agent: Honeywell Turbo Technologies

20080038111 - Blower device: A blower device for a vehicle includes at least two blowers having fan shafts arranged in parallel with each other, a single motor for driving and rotating the blowers, and a shroud for holding the two blowers. The motor includes a motor portion and a motor shaft driven by and... Agent: Harness, Dickey & Pierce, P.L.C

20080038112 - Spiral air induction: The nozzles are in the form of blowing-in openings in the housing wall which bounds the flow channel. The blowing-in openings are fed directly by means of air which is extracted from the flow channel downstream from the diffusor. This air is at a higher pressure than the flow in... Agent: Buchanan, Ingersoll & Rooney PC

20080038113 - Flow-guiding member unit and its production method: A flow-guiding member unit used for assembling a flow-guiding member comprising pluralities of vanes, an outer platform and an inner platform, the unit comprising an integral body member comprising one vane portion, an outer platform portion, and an inner platform portion, a first elastic member attached to a step of... Agent: Squire, Sanders & Dempsey L.L.P.

20080038114 - Airfoil diffuser for a centrifugal compressor: An airfoil diffuser for a centrifugal compressor formed by a diffuser passage area and a plurality of diffuser blades located within the diffuser passage area. The diffuser passage area is defined between a hub plate and a shroud of the centrifugal compressor. Each of the diffuser blades has a twisted... Agent: Praxair, Inc. Law Department - M1 557

20080038115 - Spinning disc reactor with shroud or plate for improving gas/liquid contact: A reactor apparatus including a support element rotatable about an axis (1) and having a surface (2) generally centred on the axis. The surface (2) is adapted for outward flow of a thin film of a liquid phase reactant thereacross when supplied thereto as the surface (2) is rotated. The... Agent: Garvey Smith Nehrbass & North, LLC

20080031721 - Fan variable immersion system: A fan system includes a rotatable axial flow fan unit, a fan shroud unit adjacent to the fan unit and capable of surrounding at least a portion of an outer periphery of the fan unit; and an actuator coupled to one of the units and operable to move said one... Agent: Deere & Company

20080031723 - Axial fan unit: An axial fan unit includes two or more impellers accommodated in a housing. Each impeller has a plurality of blades disposed about a center axis and is rotated by an associated motor. The rotation of the impellers creates a flow of air generally flowing along the center axis. A plurality... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080031722 - Fan unit: An axial fan unit includes two or more impellers which rotate about a center axis in opposite directions relative to each other to create an axial airflow. Each impeller includes a hub and a plurality of blades disposed around the hub. The impellers are surrounded by a housing in a... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080031724 - Turbo machine with a rotor which has at least one rotor disk with a bore: The invention relates to a rotor disk for the rotor of a non-positive displacement machine with at least one borehole extending in an axial direction. The aim of the invention is to provide a rotor disk for a non-positive displacement machine that has an increased serviceable life. To this end,... Agent: Siemens Corporation Intellectual Property Department

20080031725 - Shrouded thrust bearings: A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering... Agent: Cooper & Dunham, LLP

20080031726 - Axial fan: The invention relates to an axial fan comprising a boss and a number of blades evenly distributed and arranged to the boss, wherein the blades have an aerofoil profile, each blade is arranged to the boss with a strip, wherein each blade is hollow and the strip is at least... Agent: The Webb Law Firm, P.C.

20080031727 - Bearing support structure and a gas turbine engine comprising the bearing support structure: A bearing support structure is provided for installation in a gas turbine engine between radially inner first and second bearings adapted to rotatably support a first and a second rotor, respectively, and a radially outer engine frame. The support structure includes a first annular plate-shaped part and an arrangement for... Agent: Wrb-ip LLP

20080031729 - Cylindrical-rod device for controlling a variable-pitch vane of a turbomachine: The invention relates to a variable-pitch control device for a turbomachine compressor, the device comprising a rod, means for fastening a first end of the rod to a pivot of a vane to be controlled, and connection means between a second end of the rod and a control ring. The... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031728 - Vane assembly and method of assembling a vane assembly for a variable-nozzle turbocharger: A vane assembly includes vanes each having an axle and an arm immovably connected with the vane prior to assembling the vane assembly. The vane, axle, and arm can be an integral one-piece structure formed by casting, machining, or metal injection molding. The axles engage apertures in a nozzle ring... Agent: Honeywell Turbo Technologies

20080031730 - Bearing for variable pitch stator vane: The present invention relates to a bearing (20) for a turbomachine variable pitch stator vane pivot (14) mounted in a bore of the turbomachine casing, and which comprises an inner bushing (22) secured to said pivot and an outer bushing (21) secured to said bore, an elastomeric material (23) being... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031731 - Electrical submersible pump stage construction: A pump stage is disclosed for use with an electrical submersible pump. The stage includes an impeller and diffuser, each having a hub, blades and an outside ring. In such pump stage, the stage flow area is constructed from separate segments manufactured from wear resistant material. Furthermore, each separate segment... Agent: Schlumberger Reservoir Completions

20080031732 - Closure device for a turbomachine casing: A high pressure turbomachine includes a casing having an interior chamber, an opening into the interior chamber, and a generally annular wall section extending about the opening and having an outer circumferential surface. A closure device is engageable with the casing and includes a body having an inner circumferential overlap... Agent: Michael Best & Friedrich LLP

20080031733 - Fuel pump: A fuel pump includes an outer partitioning wall formed with an intake port; an inner partitioning wall formed with a discharge port; and an impeller housed between the outer partitioning wall and the inner partitioning wall, wherein each of the outer partitioning wall and the inner partitioning wall is formed... Agent: Oliff & Berridge, PLC