Rotary kinetic fluid motors or pumps inventions 03/08

20080075584 - Set of insulating sheets on a casing to improve blade tip clearance:

20080075585 - Engine cooling fan assembly: A cooling fan assembly for cooling a heat exchanger includes a shroud having a plurality of stators extending radially to support a hub. A flow-guide including an outer rim and inner rim surrounds the shroud and extends to the heat exchanger. The outer rim extends from the heat exchanger to... Agent: Delphi Technologies, Inc.

20080075586 - Pump and fluid supplying apparatus: A pump includes a rotatable rotor installed in a motor part and at least one impeller installed in a pump part, capable of being rotated together with the rotor in unison. The rotor and the impeller are accommodated in a casing, and the impeller has an inlet at an inner... Agent: Bacon & Thomas, PLLC

20080075587 - Ice strike sheathing ring for the fan casing of an aircraft gas turbine: An ice strike sheathing ring (4) including several fiber compound layers for the fan casing of an aircraft gas turbine features breaking points (7) at a certain regular distance, so that, in case of destruction of the ice strike sheathing ring due to extreme ice strike, fragments of small size... Agent: Harbin King & Klima

20080069683 - Methods and systems for controlling gas turbine clearance: A method and system for controlling the clearance in a gas turbine. The current clearance between a turbine blade and a casing of the gas turbine is determined. Then, a determination is made as to whether the current clearance is within a predetermined clearance threshold and a control action is... Agent: Sutherland Asbill & Brennan LLP

20080069684 - Gondola for a wind energy system; rotative connection for a wind energy system; wind energy system; method for operating a wind energy system: The invention relates to gondolas for a wind energy system (WEA), a rotative connection for a wind energy system, a wind energy system and a method for operating a wind energy system, wherein universally applicable components are used, said components being easily interchangable and/or easy to produce everywhere, irrespective of... Agent: Jordan And Hamburg LLP

20080069685 - Device for detecting a fracture in the shaft of a gas turbine, and gas turbine: The invention relates to an arrangement for the detection of a shaft break on a rotor of a first turbine, especially a medium pressure turbine, of a gas turbine, especially an aircraft engine, whereby a second turbine (11), especially a low pressure turbine, is positioned downstream from the first turbine,... Agent: Fasse Patent Attorneys, P.A.

20080069686 - Motor and fan device using the same: The present invention provides a motor which includes a stator including a plurality of one-phase stators composed of a pair of stator cores having claw-type teeth and a coil for generating magnetic flux at the claw-type teeth, and a rotor for generating torque at a rotary shaft, wherein the stator... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080069687 - Aeroengine nozzle: A gas turbine engine 10 comprises a fan 13, a bypass duct 22 having a nozzle 23, through which fluid B from the fan 13 flows, and a variable area nozzle device 34 located in the nozzle 23. The variable area nozzle device 34 comprises an arcuate fairing 36 having... Agent: Oliff & Berridge, PLC

20080069688 - Gas turbine engine casing: An annular fan casing of a gas turbine engine includes a plurality of fan track liner panels, secured to the radially inner surface of the fan casing. The panels are secured using mechanical fasteners, which are secured into non-load-bearing regions of the fan casing so as not to compromise the... Agent: Manelli Denison & Selter

20080069689 - Apparatus of centrifugal fan and a dust-collecting module using the same: A centrifugal fan apparatus is disclosed in the present invention. The characteristics of the centrifugal fan apparatus lies in that the width of airflow channel defined between the rim of the impeller and the inner wall of the housing accommodating the impeller is uniform, and two airflow spaces defined between... Agent: Wpat, PC

20080069690 - Thermal and external load isolating impeller shroud: A gas turbine engine has a compressor assembly and a turbine assembly rotationally mounted on a shaft, the turbine assembly being driven by hot gases discharged from a combustion chamber disposed between the compressor and turbine assemblies, the compressor having a centrifugal impeller for pressurizing and impelling air into the... Agent: Ogilvy Renault LLP (pwc)

20080069691 - System and method for aligning and sealing a turbine shell assembly: Disclosed is a system for aligning and sealing a turbine shell assembly an first shell assembly including at least one first shell segment, a second shell assembly including a tongue extending therefrom, a groove defined by the first shell assembly, the groove configured to mate with the tongue extending from... Agent: Cantor Colburn, LLP

20080063508 - Fan case abradable: A fan case and method of manufacturing a fan case, for a gas turbine engine, where the fan case has a hollow tubular metal shell with: a central axis of symmetry; an inlet; an outlet; and peripheral wall about the axis to encompass the tips of a plurality of rotary... Agent: Ogilvy Renault LLP (pwc)

20080063509 - Clearance control apparatus: A clearance control apparatus for controlling the clearance between a rotary assembly (17) and a casing (24) surrounding the rotary assembly (17) is disclosed. The clearance control apparatus comprises a temperature measuring device (34) to measure the temperature of a radially outer portion of the rotary assembly and a cooling... Agent: Manelli Denison & Selter

20080063510 - Device and method for suction pipe: A method and device for reducing noise and vibrations in a suction pipe (1) in a reaction-type hydropower turbine. The suction pipe (1) comprises one or more nozzles (2) for injection of a working medium through the nozzles (2) into the suction pipe (1). Each nozzle is arranged at an... Agent: Christian D. Abel

20080063511 - Ceiling medallion with air ventilation openings: A ceiling medallion includes a first disk component having a first outer circumferential edge and a first diameter; and a second disk component having a second outer circumferential edge and a second diameter. The second diameter of the second disk component is less than the first diameter of the first... Agent: Tillman Wright, PLLC

20080063512 - Apparatus for supplying air to fuel cell: An air supplying apparatus may include, but is not limited to, a pump, a motor, a housing, and an intake unit. The motor drives the pump. The housing provides a chamber that contains the pump and the motor. The intake unit supplies an air to the chamber. The intake unit... Agent: Dickstein Shapiro LLP

20080063514 - Seal system for an interturbine duct within a gas turbine engine: The interturbine duct (ITD) directs hot combustion gases from a high pressure turbine stage outlet to a low pressure turbine stage inlet in a gas turbine engine. The ITD comprises an outer wall and a heat resistant non-metallic resilient annular seal provided around an end of the outer wall that... Agent: Ogilvy Renault LLP (pwc)

20080063513 - Turbine blade tip gap reduction system for a turbine engine: A turbine blade gap control system configured to move a vane carrier and attached ring segments of a turbine engine axially relative to a turbine blade assembly to reduce the gaps between the tips of the turbine blades and the ring segments to increase the efficiency of the turbine engine... Agent: Siemens Corporation Intellectual Property Department

20080063515 - Bleed system for a low-pressure compressor of a turbomachine: The bypass turbomachine comprises, between a primary flowpath (2) and a secondary flowpath (3), a structural intermediate casing (14). A bleed passage (29) allows the diversion of a portion of the gas stream toward the secondary flowpath (3), downstream of support arms (18) situated at the periphery of the intermediate... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080063516 - Adjustable turbine exhaust flow guide and bearing cone assemblies: An adjustable vane system is provided for use in a turbomachine, including a plurality of movable vanes that may be positioned to change the cross-sectional area of an exhaust flow passage and minimize the pressure of steam adjacent the exit after the last row of rotating turbine blades. Each of... Agent: Siemens Corporation Intellectual Property Department

20080063517 - Fan case abradable drainage trench and slot: A fan case for a gas turbine engine is provided to prevent water from pooling and freezing inside the fan case when the gas turbine is not in operation, and potentially prevent the engine from starting and/or cause engine damage. The fan case is therefore adapted to provide a drainage... Agent: Ogilvy Renault LLP (pwc)

20080063518 - Steam turbine: In the steam turbine having a cross-over duct 10 for delivering steam discharged from an intermediate pressure turbine 5 to low pressure turbines 6a, 6b, the intermediate pressure turbine provides two outlets 13a, 13b for discharging exhaust steam, the low pressure turbine provides two inlets 14a, 14b, the outlets and... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080063519 - Machine tooled diaphragm partitions and nozzles: Partitions have an airfoil coupled at opposite ends to inner and outer side walls. The side walls each mount radially extending male dovetails. The inner web and outer ring of a diaphragm include complementary shaped dovetail grooves. The male dovetails have a reduced diameter portions while the female grooves similarly... Agent: Nixon & Vanderhye, PC

20080063522 - Array of components: A support element 22 is fitted between adjacent vanes 8, 14 in a gas turbine engine, in order to suppress vibrations in the vanes 8, 14. The support element 22 comprises a body portion 24 and pad portions 38, 40 which contact the vanes 8, 14 over a wide area... Agent: Oliff & Berridge, PLC

20080063521 - Curved variable pitch wedge retention in vane outer base: A method for repairing or replacing a mechanically retained vane is provided. The method comprises the steps of forming an oversized cavity in an outer base, inserting a flared end of a vane in the oversized cavity, and inserting a wedge for mechanically retaining the flared end of the vane... Agent: Bachman & Lapointe, P.C. (p&w)

20080063520 - Turbine engine compressor vanes: A gas turbine engine rotor stack includes one or more longitudinally outwardly concave spacers. Outboard surfaces of the spacers may be in close facing proximity to inboard tips of vane airfoils. The airfoils have dihedral and sweep.... Agent: Bachman & Lapointe, P.C. (p&w)

20080056879 - System and method for reducing thrust acting on submersible pumping components: A technique is provided to facilitate pumping of fluids in a well environment. A submersible pumping system having a submersible pump incorporates features that manage thrust loads resulting from rotating impellers. The thrust reducing features cooperate with the action of the impellers in one or more pump stages to reduce... Agent: Schlumberger Reservoir Completions

20080056880 - System and method for reducing thrust acting on submersible pumping components: A technique is provided to facilitate pumping of fluids in a well environment. A submersible pumping system having a submersible pump incorporates features that manage thrust loads resulting from rotating impellers. The thrust reducing features cooperate with the action of the impellers in one or more pump stages to reduce... Agent: Schlumberger Reservoir Completions

20080056883 - Axial-flow fluid pressurizer: An axial-flow fluid pressurizer includes a pipe, two connecting bases, a rotor and a stator. The pipe has two openings for connecting the connecting base. The connecting base has a shaft base therein, a plurality of support arms coupled to the shaft base and an internal wall of the connecting... Agent: Hdsl

20080056884 - Disc shaped impeller and fuel pump: A disc shaped impeller may comprise an upper face and a lower face. Concavities may be repeatedly arranged along a circumferential direction on the upper face and the lower face. Each concavity may include a front surface, a back surface, an inner surface, an outer surface and a bottom surface.... Agent: Dennison, Schultz & Macdonald

20080056885 - Vacuum pumps with improved pumping channel configurations: A vacuum pump includes a housing having an inlet port and an exhaust port, at least one molecular drag stage within the housing, the molecular drag stage including a rotor and a stator that defines a tangential flow channel which opens onto a surface of the rotor, and a motor... Agent: Varian Inc. Legal Department

20080056886 - Vacuum pumps with improved pumping channel cross sections: A vacuum pump includes a housing having an inlet port and an exhaust port, at least one molecular drag stage within the housing, the molecular drag stage including a rotor in the form of a molecular drag disk and a stator that defines a tangential flow channel which opens onto... Agent: Varian Inc. Legal Department

20080056881 - Wind power plant and rotor blade adjusting drive therefor: The present invention relates to a rotor blade adjusting drive for adjusting the pitch angle of a rotor blade of a wind power plant, comprising a drive train which at the output end can be connected with the rotor blade and/or a bearing member supporting the rotor blade, and a... Agent: Dilworth & Barrese, LLP

20080056882 - Compressor: A compressor for compressing a gas comprises an impeller wheel mounted within a housing (2) defining an inlet (8) and an outlet (6). The inlet (8) has a plurality of apertures (20) in the form of bores or grooves defined in its surface that serve as an integral silencer. The... Agent: John H. Allie, Krieg Devault LLP

20080056887 - Hydraulic gear motor with integrated filter: A cooling fan drive apparatus with an integrated filter comprises a gear motor contained within a housing that includes internal passages through which hydraulic fluid can flow and structure configured to receive a filter such that the filter forms an integral part of the apparatus.... Agent: Renner, Otto, Boisselle & Sklar, LLP

20080056888 - Guide vane for a gas turbine engine: A guide vane for a gas turbine aircraft engine includes an aerodynamic shell for turning a flow of working fluid and an internal spar spaced from the aerodynamic shell by an air gap and reinforced by stiffeners.... Agent: Mccormick, Paulding & Huber LLP

20080056889 - Angel wing abradable seal and sealing method: An abradable seal is provided to improve turbine performance by physically reducing the clearance between a flange portion of the nozzle and an opposed angel wing/seal plate member of the bucket. The provision of an abradable seal also mitigates angel wing/seal plate tooth or fin wear by providing for abradable... Agent: Nixon & Vanderhye P.C.

20080056890 - Simple axial retention feature for abradable members: An abradable member, such as gas turbine engine seal for rotary components, is restrained against axial movement relative to an adjacent component via a lip retention engagement.... Agent: Ogilvy Renault LLP (pwc)

20080056893 - Hp turbine vane airfoil profile: A single stage high pressure turbine vane includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly connected by an... Agent: Ogilvy Renault LLP (pwc)

20080056894 - Lp turbine vane airfoil profile: A single stage low pressure turbine vane includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly connected by an... Agent: Ogilvy Renault LLP (pwc)

20080056892 - Radial vaned diffusion system with integral service routings: A radial diffuser comprises a housing, a plurality of diffuser vanes, and a plurality of integral service vanes. The housing includes an air inlet and an air outlet, and defines a radial section extending radially outward from the air inlet, an axial section extending axially to the air outlet, and... Agent: Honeywell International Inc.

20080056891 - Steam turbine nozzle box and methods of fabricating: A method of fabricating a steam turbine nozzle box is provided, wherein the method includes forming an annular chamber defined by a radially outer wall and a radially inner wall and coupling a plurality of inlets in flow communication with the annular chamber such that steam is discharged from each... Agent: John S. Beulick (17851)

20080056895 - Axial turbine: An axial turbine has a turbine stage including stator blades fixedly provided on a stationary section and moving blades fixedly provided on a rotating section and has a structure in which a flow blowing out from a space formed between the stator blades and the moving blades exists. In order... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080056896 - Hp turbine vane airfoil profile: A two-stage high pressure turbine includes a first stage vane having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly... Agent: Bachman & Lapointe, P.C. (pwc)