Rotary kinetic fluid motors or pumps inventions 02/07

20070041823 - Fluid energy converter: Embodiments include apparatus and methods of fluid energy conversion. One embodiment relates to a tube for a fluid energy converter. The tube may include a generally cylindrical and hollow body having an interior surface, an exterior surface, and a longitudinal axis. Another embodiment includes a fluid energy converter having a... Agent: Knobbe Martens Olson & Bear LLP

20070041824 - Fan system and its control device and control method: A control device of a fan system, which has at least one fan, receives a starting voltage. The control device includes a start controlling unit and a driving unit. The start controlling unit receives the starting voltage and outputs a start controlling signal according to the starting voltage. After a... Agent: Birch Stewart Kolasch & Birch

20070041825 - Fuel pump: Fuel pump (10) may comprise a casing (18) and a substantially disc-shaped impeller (20) rotating within the casing. A plurality of groups of concavities (20a, 20b), arranged in concentric circles with respect to the rotational axis of the impeller, may be formed in at least one surface of the impeller.... Agent: Dennison, Schultz & Macdonald

20070041826 - Turbomolecular pump with static charge control: The present invention relates to turbomolecular vacuum pumps and an arrangement for reducing or eliminating an accumulated static charge in the rotor caused by an interaction of the rotor with either electrically charged or neutral particles in the pumped media. Electrical charge exchange between the rotor and the electrically grounded... Agent: Ira Lee Zebrak The Boc Group, Inc.

20070041827 - Cooling circuit for gas turbine fixed ring: A stationary ring surrounding a hot gas passage in a gas turbine, the ring being surrounded by a stationary annular housing co-operating therewith to define an annular cooling chamber into which there opens out at least one cooling air feed orifice. The ring is made up of a plurality of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070041828 - Vane conducting device with graphic and textual display: A vane conducting device with graphic and textual display includes a base, a coil seat, a vane, and a control unit, and a support pillar of the base includes a first electrode and a second electrode electrically coupled to a first bearing and a second bearing respectively, and a circuit... Agent: Hdsl

20070041829 - Rotor blade for a wind energy turbine: The rotor blade for a wind energy turbine comprising a longitudinal shell defining a root to be connected to a hub of a rotor, a tip, a forward edge and a rearward edge, the shell having a spar including two spar caps connected via at least one shear web arranged... Agent: General Electric Co. Global Patent Operation

20070041830 - Hydrodynamic closed loop turboset-selfbooster: The Hydrodynamic closed loop turboset-selfbooster comprises one or more axial bispindle multistage hydrolic turbines (20A, 20B) placed into a common closed-loop tubular tunnel (26B) with an axial-flow propeller pump (27) which works in self-series, as a self-booster impelling high potential operating liquid, filled inside the tunnel. The natural accumulative turbotechnology... Agent: Bereli M. Lazar

20070041831 - Low-noise hvac blower assembly: A blower assembly 10′ includes a housing 18′ having an inlet 19 and an outlet 20. The housing includes an inlet ring 22′ at the inlet. A blower wheel 12′ is mounted for rotation in the housing. An electric motor 16 includes a shaft 14 having an axis B. The... Agent: Siemens Corporation Intellectual Property Department

20070041832 - Variable nozzle device made from sheet metal: A variable nozzle device is provided which comprises an annular nozzle passage (5) formed by a gap between two opposing wall members (1, 3) and at least one vane (7) extending in said nozzle passage (5) and being rotatably supported. Said vane (7) is formed by a sheet metal contour... Agent: Honeywell Turbo Technologies

20070041833 - Fast temporary joint bolting system for turbine shells: The temporary fastening system for joining upper and lower shell casings of a turbine to one another for maintenance purposes includes a stud/nut tensioning system employed in lieu of the conventional studs and nuts. Once the turbine is opened up and the inner shell and rotor removed, the upper and... Agent: Nixon & Vanderhye P.C.

20070036641 - Cycloidal turbine: A water turbine for generating mechanical energy from a flowing fluid includes a rigid base that can be secured at a fixed position relative to the fluid flow. On the base, a substantially disk-shaped hub is rotatably mounted and at least one blade is positioned on the hub for rotation... Agent: Neil K. Nydegger Nydegger & Associates

20070036642 - Bridged inducer: An inducer comprising a conically configured hub, a plurality of blades projecting from the hub and a bridge that connects a first blade of two adjacent blades of the plurality of blades to a second blade of the plurality of blades. Each blade of the plurality of blades has a... Agent: John S. Beulick Armstrong Teasdale LLP

20070036643 - Tool-free adjustable clean out assembly for a pump: A clean out assembly for a centrifugal pump, particularly, for example, a self-priming-type of centrifugal pump, is structured to provide easy adjustment of the clean out assembly and axial movement of a wear plate in proximity to the impeller of the pump without the need for tools to effect such... Agent: Morriss O'bryant Compagni, P.C.

20070036644 - Clip: A clip used to attach an acoustic panel to a fan casing of a gas turbine engine is “U” shaped. One arm of the clip is provided with spacing means cut into the material of the arm and which may be bent to define the spacing between the outer face... Agent: Oliff & Berridge, PLC

20070036645 - Compressor with large diameter shrouded three dimensional impleller: A compressor having a defined large diameter impeller having an integral shroud and having a three dimensional gas flow path defined by the impeller hub surface, blades and the shroud and having a large axially oriented inlet or inducer section with aggressive inducer blades, a defined outlet section geometry, and... Agent: Praxair, Inc. Law Department - M1 557

20070036646 - Integral diffuser and deswirler with continuous flow path deflected at assembly: An integrated assembly is provided for a centrifugal compressor, which integrates selected static portions of the centrifugal compressor into a monolithic structure to allow a small deflection of the inner flow path at assembly. The integrated assembly may include a machined compressor shroud casting having integral diffuser vanes, an aft... Agent: Honeywell International Inc.

20070036647 - Leaned centrifugal compressor airfoil diffuser: A low solidity vaned airfoil diffuser for a centrifugal compressor wherein each blade has a lean angle greater than zero and wherein the hub stagger angle may be the same as or may be different from the shroud stagger angle for each blade.... Agent: Praxair, Inc. Law Department - M1 557

20070036648 - Extended venturi fan ring: A high efficiency, low-noise fan ring for use with a heat exchanger having an annular fan ring body attached to a coaxial mounting ring. The fan ring body extends in a substantially perpendicular direction from an inner periphery of the mounting ring. The annular body has a circumferential periphery profile... Agent: Mcnees Wallace & Nurick, LLC

20070031237 - Method and apparatus for producing wind energy with reduced wind turbine noise: A method for controlling noise from a wind park that has a plurality of wind turbines includes monitoring noise emission from the wind turbines in at least a near field area and utilizing a transfer function of noise emission to determine a noise impact importance of the wind turbines at... Agent: Patrick W. Rasche (22402)

20070031238 - Inlet guide vane control device of gas turbine: An IGV opening command is set based on an IGV opening A set by an exhaust gas temperature control section, an IGV opening B set by a compressor surge protective control section, and an IGV opening C set by an exhaust gas pressure protective control section. The value of the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070031239 - Fuel pump: Fuel pump (10) may comprise a casing (18) and an impeller (20) rotating within the casing. A group of concavities (20a) may be formed in an upper or a lower face of the impeller. A groove (24) communicating a discharge hole (25) may be formed in a inner face of... Agent: Dennison, Schultz & Macdonald

20070031240 - Cooled turbine shroud: A cooled turbine shroud includes an arcuate flow path surface adapted to surround a row of rotating turbine blades, and an opposed interior surface; a forward overhang defining an axially-facing leading edge, an outwardly-extending forward wall and an outwardly-extending aft wall; opposed first and second sidewalls, wherein the forward and... Agent: Adams Evans P.A.

20070031241 - Cooling arrangement: A cooling arrangement 21 for use within a gas turbine engine comprises a first shroud or platform 26 incorporating coolant passages 25 and a second shroud or platform 28. Generally, each platform or shroud 26, 28 will incorporate a pressure portion and a suction portion, with the pressure portion incorporating... Agent: Manelli Denison & Selter

20070031242 - Movement system for the inspection of a turbine: Movement system (10) for the inspection of a turbine (40) of the type equipped with a shaft (42) having a series of blades, which is coupled with a shaft (72) of a compressor (70) by means of a loading joint (80), the system (10) comprises a crank rotation mechanism (20)... Agent: General Electric Co. Global Patent Operation

20070031245 - Thermally compliant c-clip: A C-clip for a gas turbine engine includes an arcuate outer arm having a first radius of curvature; an arcuate, inner arm having a second radius of curvature which is substantially greater than the first radius of curvature; and an arcuate extending flange connecting the outer and inner arms. The... Agent: Adams Evans P.A.

20070031244 - Thermally compliant turbine shroud assembly: A shroud assembly is provided for a gas turbine engine having a temperature at a hot operating condition substantially greater than at a cold assembly condition thereof. The shroud assembly includes at least one arcuate shroud segment adapted to surround a row of rotating turbine blades. The shroud segment has... Agent: Adams Evans P.A.

20070031243 - Thermally compliant turbine shroud mounting assembly: A shroud assembly is provided for a gas turbine engine that has a temperature at a hot operating condition substantially greater than at a cold assembly condition thereof. The shroud assembly includes: at least one arcuate shroud segment adapted to surround a row of rotating turbine blades which has an... Agent: Adams Evans P.A.

20070031246 - Containment casing: A containment casing 1 is provided in which tubular composite layers 2, 3 are arranged in an angular staggered relationship to minimise overlap between the interstitial spacing between tubes in each respective layer 2, 3. In such circumstances, with a continuous planar layer 4, 5 on one or both sides,... Agent: Oliff & Berridge, PLC

20070031247 - Radially expanding turbine engine exhaust cylinder interface: Aspects of the invention are directed to an interface between an exhaust cylinder and an exhaust diffuser in a turbine engine. The interface allows relative radial movement of the exhaust diffuser and the exhaust cylinder. According to aspects of the invention, the diffuser and the cylinder are operatively connected about... Agent: Siemens Corporation Intellectual Property Department

20070031248 - Passive fan assembly: A passive fan assembly includes an impeller and a plurality of guide blades disposed in front of the impeller. The impeller includes a plurality of blades extending at about 90 degrees relative to the guide blades. Thus, when airflow enters the passive fan assembly, the guide blades guide the airflow... Agent: Birch Stewart Kolasch & Birch

20070031249 - Gas turbine engine and a rotor for a gas turbine engine: A rotor (38) for a gas turbine engine (10) has a low emissivity surface finish, or high emissivity surface finish (44), on at least a portion of its surface (42) to reduce temperature differentials between an upper portion and a lower portion of the rotor (38). This reduces bowing of... Agent: Manelli Denison & Selter

20070031250 - Shroud and rotary vane wheel of propeller fan and propeller fan: A shroud of the present invention includes a body portion 5B, a mount 7 positioned at a center of the body portion 5B and supporting rotary vane wheel driving means 6, and multiple support beams 10 radially extending from the mount 7 and joining the mount 7 and the body... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070025835 - Internally-cooled seal housing for turbine engine: The invention relates to a system of shaft sealing for a turbine engine. Carbon-ring seals placed on pressurized bearing compartments are adapted to operate on ceramic runners which are cooled by lubricating fluid. The runners are closed at one end so that fluid does not enter an interface between the... Agent: Honeywell International Inc.

20070025836 - Cooled shroud assembly and method of cooling a shroud: A cooled shroud assembly for a gas turbine engine having a longitudinal centerline includes at least one arcuate shroud segment surrounding a row of rotating turbine blades. The shroud segment has a forward flange, an aft flange defining an axially-facing aft edge, and an inwardly-facing flowpath surface, and the shroud... Agent: Adams Evans P.A.

20070025837 - Stator assembly, module and method for forming a rotary machine: A stator assembly for a rotary machine having an array of wall segments for bounding a working medium flow path is disclosed. Various construction details which provide a sealing structure for the segments are developed. In one detailed embodiment, a removable seal retainer for a seal chamber bounded by wall... Agent: Gene D. Fleischhauer

20070025838 - Control of engine intake door: An air induction system for an engine having an improved mechanism for control of an intake door. The system includes a housing having an opening for receiving intake air. A power activated door is pivotable between a closed position wherein the opening is closed and an open position wherein intake... Agent: Senniger Powers

20070025839 - Bearing for axially mounting a rotor of a gas turbine, and gas turbine: The invention relates to a bearing for axially mounting a rotor of a gas turbine. Said bearing comprises a bearing body that is disposed stationary relative to the position of the rotor, a hydraulic piston arrangement which is accommodated by the bearing body, and a hydraulic system that is fluidically... Agent: Siemens Corporation Intellectual Property Department

20070025840 - Methods and apparatus for replacing objects on horizontal shafts in elevated locations: An apparatus for stabilizing a shaft in an essentially horizontal position while an anchoring object at one end of the shaft is replaced without removal of an object at the opposite end of the shaft that would otherwise tend to destabilize the shaft from its essentially horizontal position includes a... Agent: Patrick W. Rasche (22402)

20070025841 - Gas turbine and sealing means for a gas turbine: A gas turbine, with a fixed inner housing, arranged concentric to the rotor, with a through flow of working medium, is disclosed. The housing comprises at least two serial rings with an annular gap left-between two directly adjacent rings, whereby an annular sealing means is arranged in at least one... Agent: Siemens Corporation Intellectual Property Department

20070025842 - Bushing for a variable-pitch vane pivot in a turbomachine: A bushing for a variable-pitch vane pivot in a turbomachine, the bushing being for mounting in a recess in a ring of the turbomachine, the recess being of a shape that is substantially complementary to the shape of the bushing, the bushing comprising a body that is substantially tubular having... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025843 - Assembly of a labyrinthe seal support on a turbine machine rotor: The attachment according to the invention of a labyrinth seal support (7) to a turbine engine shaft (9) by means of axial bolts (95), said axial bolts also securing a device (93) for driving the turbine module with said shaft, holes (91A) for extracting the drive device (93) with respect... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025844 - Water pump: A water pump includes an impeller provided on an end of a rotational shaft supported on a body through a bearing, a mechanical seal provided between the impeller and the bearing, a draining hole guiding a coolant leaked from the impeller side to a reservoir provided at a bottom of... Agent: Reed Smith LLP

20070025845 - Axial turbine: An axial turbine includes a plurality of stages each comprising a plurality of stationary blades arranged in a row along the turbine circumferential direction and a plurality of moving blades in a row parallel to the stationary blades, each of the moving blade being disposed downstream of a respective one... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070025846 - Vortical flow rotor: A rotor for use with a fluid flow generator or reactor, said rotor being rotatable about a central axis of the rotor and having a at least one vane arranged, in use, to induce a generally axial fluid-flow into the central axial region of the rotor and an outward flow... Agent: Carr & Ferrell LLP

20070025847 - Gas turbine: An outer shape of a section in the longitudinal direction at a leading edge of the strut is an aerofoil whose thickness is gradually increased along a flow direction of the combustion gas to prevent reduction of turbine efficiency caused by a shock wave generated at the strut of the... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025848 - Reduced noise diffuser for a motor-fan assembly: An air diffuser for a motor-fan unit having reduced blade passage frequencies, and reduced noise generation, includes a baffle plate, external vanes, internal vanes, diffuser ports, and a central opening. The baffle plate of the diffuser is made integral with the internal and external vanes, such that any leaking, rattling,... Agent: Renner, Kenner, Greive, Bobak, Taylor & Weber

20070025849 - Vortex generating device for air conduits: A device and method for generating a vortex within an air conduit of an internal combustion engine as well as a method of manufacturing such a device. The device focuses a portion of the air flowing into an air conduit into a number of tightly focused air streams tangent to... Agent: Wayne V. Harper

20070025850 - Non-concentric rings for reduced turbo-machinery operating clearances: Rings having holes with a centerline offset from the centerline of the outer diameter, or other diameter piloting feature of the ring (i.e., non-concentric rings) may be used to align rotating components within their static components. Two non-concentric rings may be used to support a bearing that contains a shaft... Agent: Honeywell International Inc.