Rotary kinetic fluid motors or pumps inventions 11/07

20070274821 - Axial fan unit having coaxially arranged axial fans: First and second axial fans are coaxially connected to each other. Each axial fan includes an impeller rotatable about a center axis; a motor rotating the impeller about the center axis, a housing member surrounding the impeller and having a hollow body and approximately square flanges at axial ends of... Agent: Volentine & Whitt PLLC

20070274820 - Centrifugal pump: The present invention relates to a centrifugal pump for pumping of liquids containing pollutions mainly in the form of solid particles, which pump comprises a drive unit, a hydraulic unit, whereby the hydraulic unit comprises a pump housing (20) and a pump impeller (12) rotationally arranged inside the housing, the... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070274822 - Vacuum pump: A vacuum pumping arrangement is described for evacuating a load lock chamber. A booster pump comprises a molecular drag stage and a multi-stage centrifugal compressor mechanism. A backing pump comprises a multi-stage centrifugal compressor mechanism exhausting pumped fluid at atmospheric pressure. Such arrangements can reduce noise, size and vibration levels... Agent: The Boc Group, Inc.

20070274823 - Method for reducing the noise of turbo engines: In a method for reducing noise generated in a turbo engine with cascades, and a stator-rotor arrangement, in which hydrodynamic pressure fluctuations occurring on the cascades are reduced by varying the surface circulation of at least one section of at least one stator. A structure is provided on one or... Agent: Crowell & Moring LLP Intellectual Property Group

20070274824 - Airfoil and method for moisture removal and steam injection: An airfoil configured for removing moisture from the steam flow path and injecting steam into the steam flow path of a steam turbine.... Agent: Nixon & Vanderhye P.C.

20070274825 - Seal arrangement for a gas turbine: A seal arrangement for a gas turbine is disclosed. The seal arrangement is used for sealing a gap between radially internally located ends of guide vanes of a guide vane ring and a rotor, in which case the rotor has at least two seal projections positioned at an axial distance... Agent: Crowell & Moring LLP Intellectual Property Group

20070274826 - Diffusor: The guide device for the diffusor at the compressor impeller outlet of a radial compressor has guide blades with stepped inlet edges. The step is implemented by setting back the hub-side inlet edge. This meridional stepping divides the guide blades into two component blades, of which the first component blade... Agent: Buchanan, Ingersoll & Rooney PC

20070274827 - Multi-stage 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 first chamber and a second chamber and includes an inlet port, the shroud assembly is received on the bracket. A bearing-supported shaft is driven by the motor... Agent: Renner Kenner Greive Bobak Taylor & Weber

20070274828 - Pump and liquid supply system: A pump includes a pump unit, a pump case, a motor unit, a plurality of guide blades forming plural guide paths in tangent directions of the impellers; and a multiplicity of return blades to form paths for collecting the liquid under pressure from the guide paths into a suction opening... Agent: Bacon & Thomas, PLLC

20070274829 - Method and apparatus for variable clearance packing: Methods and apparatus for a packing ring segment assembly for sealing a turbine gas path are provided. The assembly includes a sealing portion including radially inwardly directed teeth, and a dovetail mounting portion including a hollowed out portion including a biasing member internal to the packing ring segment. The biasing... Agent: John S. Beulick (17851)

20070269304 - Fluid rotor with energy enhancements power generation system: Presented is a physically and environmentally attractive fluid energy powered rotor driven power generation system that very efficiently extracts energy from both wind and water currents and that offers easy low cost manufacture, transportation, and installation due to its modular pre-fabricated design concepts. It achieves its high efficiencies by redirecting... Agent: Donald E. Burg

20070269305 - Waterborne power generator: Presented is a physically and environmentally attractive fluid energy powered rotor driven power generation system that is attached to an anchored waterborne device such as a boat hull such that the power generation device is automatically directed so that its water inlet is facing oncoming water currents. In its optimum... Agent: Donald E. Burg

20070269306 - Fluid rotor with energy enhancements power generator: Presented is a physically and environmentally attractive fluid energy powered rotor driven power generation system that very efficiently extracts energy from both wind and water currents and that offers easy low cost manufacture, transportation, and installation due to its modular pre-fabricated design concepts. It achieves its high efficiencies by redirecting... Agent: Donald E. Burg

20070269307 - Fuel pump having impeller: A fuel pump includes a housing including an internally-large cylindrical portion coaxial with an internally-small cylindrical portion. A press-inserted portion is press-inserted to the internally-small cylindrical portion. An accommodating cylindrical portion is located in the internally-large cylindrical portion. An accommodating disc portion is opposed to the impeller. A cover is... Agent: Nixon & Vanderhye, PC

20070269308 - Engine intake air compressor having multiple inlets and method: A compressor assembly (404) includes a compressor housing (412) having a main inlet bore (424) and a secondary inlet passage (422) that has an increasing flow cross-sectional area. The secondary inlet passage (422) is positioned in the compressor housing (412) and around the main inlet bore (424). A secondary inlet... Agent: International Engine Intellectual Property Company

20070264116 - Barrier-mounted wind-power generation system: Provided are, among other things, a system for generating energy, in which a row of wind turbines is disposed on the top side of an elongated horizontally oriented barrier, with electrical generators coupled to and driven by the turbines.... Agent: Joseph G. Swan A Professional Corporation

20070264117 - Fuel pump: A vapor lock in a fuel pump can be prevented by reducing the formation of vapor within the fuel. A first group of concavities may be formed in an inner circumferential region of an intake side face of an impeller, and a second group of concavities may be formed concentrically... Agent: Dennison, Schultz & Macdonald

20070264118 - Axial flow pump: Radial cross sections of front sides in rotational direction of impellers attached to a pump shaft obliquely to a circumferential direction from an upstream side toward a downstream side have concave shapes protruding toward the upstream side, and radial cross sections of rear sides in rotational direction of the impellers... Agent: Crowell & Moring LLP Intellectual Property Group

20070264119 - Fan cover: A fan cover integrated with a heat dissipating fan having a power line and a power line connector is disclosed. The fan cover includes a body combined with and covered on a side of the heat dissipating fan, and a fixing mount disposed on an outside region of the body.... Agent: Edwards Angell Palmer & Dodge LLP

20070264120 - Device for tuning clearance in a gas turbine, while balancing air flows: A device for tuning clearance at rotor blade tips in a gas turbine rotor, the device comprising at least one annular air flow duct that is mounted around the circumference of an annular casing of a stator of the turbine, the annular air flow duct being designed to discharge air... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070258805 - Fan systems: A fan system comprising a first switch, a second switch, a coil, and a drive device. The drive device comprises a third switch and a fourth switch. The third switch, the fourth switch, the first switch, the second switch and the coil form a bridge connection.... Agent: Birch Stewart Kolasch & Birch

20070258806 - Helical taper induced vortical flow turbine: A turbine generator system, having: a rotatable base; and a plurality of rotor vanes extending from the rotatable base, wherein each of the rotor vanes have helical tapered inner and outer surfaces, and wherein each of the rotor vanes is curved to catch flow perpendicular to the axis of rotation... Agent: Gordon & Rees LLP

20070258807 - Infrared-based method and apparatus for online detection of cracks in steam turbine components: An online method, system, and computer-readable code for remotely monitoring radiant energy emitted from a turbine blade (106), which may be undergoing an incipient degradation, such as a crack, in a relatively low-temperature, and saturated steam environment of the low pressure stage of a steam turbine. The method and system... Agent: Siemens Corporation Intellectual Property Department

20070258808 - Combustor spring clip seal system: Aspects of the invention are directed to a sealing system for the interface between a combustor liner and transition duct. The system includes a spring clip seal. A first end of the spring clip seal operatively engages the inner peripheral surface of the transition duct. A second end of the... Agent: Siemens Corporation Intellectual Property Department

20070258809 - Multi-layer ring seal: Aspects of the invention are directed to a multi-layer ring seal segment that can incorporate a plurality of material systems. The ring seal segment can include an inner layer, a central layer and an outer layer. The inner layer can be attached to one side of the central layer, and... Agent: Siemens Corporation Intellectual Property Department

20070258810 - Wall configuration of axial-flow machine, and gas turbine engine: A wall configuration of an axial-flow machine which can reduce the secondary flow loss is provided. A trough is formed between a blade and another blade in the blade row and extends in at least an axial direction of the blade row. The region where the trough is formed is... Agent: Ostrolenk Faber Gerb & Soffen

20070258811 - Ceramic matrix composite turbine engine vane: A vane has an airfoil shell and a spar within the shell. The vane has an outboard shroud at an outboard end of the shell and an inboard platform at an inboard end of the shell. The spar has a first chamber essentially along the suction side and a second... Agent: Bachman & Lapointe, P.C. (p&w)

20070258812 - Fan and impeller thereof: A fan includes a housing, an impeller and a motor. The housing has a main body, a motor base and at least one supporting member disposed between the main body and the motor base. The impeller is disposed on the motor base and has a hub and a plurality of... Agent: Birch Stewart Kolasch & Birch

20070253804 - Rotor containment element with frangible connections: A containment system for containing fragments of a burst rotor including first and second means for frangibly connecting a containment element to first and second walls, the first and second means rupturing upon being subjected to a load mainly produced by a translational motion of at least one fragment impacting... Agent: Ogilvy Renault LLP (pwc)

20070253805 - Method for operating a turbocompressor: When a turbocompressor is being started and/or accelerated, in particular a compressor in a gas-turbine set, the position (VIGV) of a row of variable inlet guide vanes is varied dynamically; in particular, the row of inlet guide vanes is closed during acceleration.... Agent: Buchanan, Ingersoll & Rooney PC

20070253806 - Electric fan: This invention relates to electric fans or blowers which may be used in, for instance, domestic, medical, commercial, industrial and transport applications.... Agent: Shumaker & Sieffert, P. A.

20070253807 - Gas-transfer foot: The present invention includes a molten metal pump and associated components that enable gas to be released into a stream of molten metal. The gas may be released into the molten metal stream (preferably into the bottom of the stream) flowing through a passage. Such a stream may be within... Agent: Squire Sanders & Dempsey LLP

20070253808 - Stator vane having both chordwise and spanwise camber: A support system for a cooling fan for a heat exchanger. A suspension system supports an inner hub inside an outer support structure. The inner hub or ring supports the fan and motor. The suspension system includes an array of spiral support arms, extending from the inner hub to the... Agent: Matthew R. Jenkins, Esq.

20070253809 - Methods and apparatus for assembling gas turbine engines: A method assembling a seal assembly within a gas turbine engine. The method includes coupling a stationary stator member to a gas turbine engine including a rotating member, and coupling a primary seal assembly and a secondary seal assembly to the stationary stator member wherein the primary seal assembly includes... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070253810 - Method of making a wiper for a sealing labyrinth, and a thermomechanical part and a turbomachine including such a wiper: In the method, a support is provided presenting an annular base for a wiper, and the projecting portion of the wiper is built up by depositing successive layers on the base by performing the following steps: activating both a laser source connected to an optical head focused on a point... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070253811 - Steam turbine: A super steam turbine (100) into which high-temperature steam of 650° C. or more is introduced is provided with an inner steam pipe (120) which is disposed through an inner casing (110) and an outer casing (111), an outer steam pipe (130) which is welded to the outer casing (111)... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070253812 - Steam turbine and turbine rotor: High-temperature steam at 620° C. or higher is introduced to a reheat steam turbine 100, and a turbine rotor 113 of the reheat steam turbine 100 includes: a high-temperature turbine rotor constituent part 113a positioned in an area extending from a nozzle 114a on a first stage to a moving... Agent: Foley And Lardner LLP Suite 500

20070253813 - Fan of heat sink: A fan of a heat sink comprising a hub, a plurality of ribs and a set of blades is provided. A distal end of the ribs is connected to circular sidewall of the hub and the set of blades are connected to the primal end of the ribs. The set... Agent: Asia Vital Components Co., Ltd.

20070253814 - Heat-dissipating fan and its housing: A heat-dissipating fan with an upward air-guiding member is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of blades disposed around the hub, a base disposed inside the housing for supporting the impeller thereon, and an air-guiding member disposed between the base and... Agent: Birch Stewart Kolasch & Birch