Rotary kinetic fluid motors or pumps inventions 04/08

20080095609 - Method and system for testing an overspeed protection system during a turbomachine shutdown sequence: A method and system of testing an overspeed protection system of a turbomachine. The method and system may include providing an overspeed protection system on a turbomachine that may have a single or multiple shafts; determining whether the speed the shaft or shaft(s) exceeds a shutdown value; changing an overspeed... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080095608 - Vertical axis wind turbine with articulating rotor: A VAWT wind engine includes a support structure, an articulating rotor mounted on the support structure for rotation about a vertically extending axis, and at least one airfoil on the rotor for rotor-powering purposes. The articulating rotor is mounted in a manner enabling tilting movement of the rotor during rotation... Agent: Mr. Loyal M. Hanson Hanson Law Corporation

20080095610 - Turbomachine: A turbomachine has a housing and a rotor mounted radially and axially in the housing. The rotor has a shaft and at least one impeller attached to the shaft. Two tilt-segment bearings having tilt segments, which bearings act in opposite directions, are provided for axial mounting of the rotor. The... Agent: Collard & Roe, P.C.

20080095611 - Method and apparatus for operating gas turbine engine heat exchangers: A method for assembling a turbine engine includes assembling a heat exchanger assembly that includes at least a radially inner plate, a radially outer plate, and a heat exchanger coupled between the radially inner and outer plates, forming the heat exchanger assembly such that the heat exchanger assembly has a... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080095612 - Method and regulation system for monitoring a compressor of a gas turbine in particular: A regulation system for a compressor comprises a fibre-optic lattice sensor which makes it possible to determine a flow temperature of a fluid to be compressed by means of the compressor. Another aspect of the invention relates to a use of a fibre-optic Bragg lattice sensor as a temperature sensor... Agent: Siemens Corporation Intellectual Property Department

20080095613 - Balancing system for turbomachine rotor: The present invention relates to a turbomachine rotor balancing system comprising a balancing flange (52) provided with through-passageways (78), the system further comprising balance weights (54) each mounted fixedly on the flange (52) by means of a first and a second screw/nut assembly (56a, 56b) having a first and a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080095614 - Fan platform fin: The invention relates to a fan platform of a bypass turbomachine having a primary stream and a secondary stream. The platform defines a portion of the surface of the nose around which the primary stream flows and that carries blades extending radially outwards from said platform. Between two adjacent blades,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080095615 - Gas turbine engine: A bypass turbofan gas turbine engine (10) is started by means of electric starter motor (26) mounted directly about a downstream end or upstream of the low pressure spool (12) of the engine. This causes air to be driven by a fan (16) through a bypass duct (32) around the... Agent: Oliff & Berridge, PLC

20080095616 - Fluid brush seal with segment seal land: A turbine rotor for a turbine engine includes multiple rotor disks having rotor blades mounted about the circumference of each of the rotor disks. A fluid seal extends about the circumference of each rotor disk in close proximity to a stationary component of the rotor to separate the space between... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080095617 - Turbine runner with reduced leakage of servo oil: Due to increasing environmental requirements, oil must be prevented from leaking from a turbine rotor disk and reaching the medium circulating around the turbine. In Kaplan turbines comprising a hydraulic mechanism (6) for actuating the rotor disk blades (3), hydraulic liquid leaks from the servomotor (5) and is collected in... Agent: Alix Yale & Ristas LLP

20080095618 - Tip turbine engine support structure: A tip turbine engine assembly according to the present invention includes a load bearing engine support structure (12). The engine support structure (12) includes an engine support plane (P) that is substantially perpendicular to an engine centerline (A) and first rotationally fixed member (50) disposed about the engine centerline (A)... Agent: Matthew L. Koziarz, Esq. Carlson, Gaskey & Olds, P.c

20080095619 - Assembling member and heat-dissipating module having assembling member: An assembling member and a heat-dissipating module having the assembling member are proposed. The assembling member connects a fan having at least a receiving space and a plurality of first positioning portions to an electronic host housing having a plurality of first fixing portions. The assembling member includes a main... Agent: Edwards Angell Palmer & Dodge LLP

20080089775 - Plasma blade tip clearance control: A gas turbine engine plasma blade tip clearance control system includes an annular shroud surrounding rotatable blade tips and an annular plasma generator spaced radially outwardly and apart from the blade tips. An exemplary embodiment of the annular plasma generator is mounted to the annular shroud and includes radially inner... Agent: Steven J. Rosen Patent Attorney

20080089778 - Self priming pump: A self-priming centrifugal pump comprises a centrifugal impeller (19) arranged in a pumping chamber (9) for transferring liquid from an inlet (5) to an outlet (7) of the chamber, a diaphragm (21) arranged downstream of the impeller for providing priming, and a drive means (25) for driving the diaphragm with... Agent: Leon D. Rosen Freilich. Hornbaker & Rosen

20080089776 - Fuel pump: A fuel pump includes a rotatable impeller having a plurality of blades and blade ditches on the periphery thereof, a motor section for driving the impeller, and a casing member which accommodates the impeller and has at least one fuel passage along an outer periphery of the impeller. The fuel... Agent: Nixon & Vanderhye, PC

20080089777 - Self-priming adapter apparatus and method: Some embodiments of the invention provide a self-priming adapter system including a pump inlet receiving liquid mixed with air, a pump coupled to the pump inlet, and a self-priming adapter coupled to the pump. The self-priming adapter includes a separation chamber. The separation chamber includes one or more baffles to... Agent: Greenberg Traurig (phx)

20080089779 - Rotary blood pump: Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housing has a spindle extending into the pumping chamber. A spindle magnet assembly includes... Agent: Inskeep Intellectual Property Group, Inc.

20080089780 - Turbine case impingement cooling for heavy duty gas turbines: A impingement cooling system for heavy duty turbines that includes a manifold affixed to a casing of the heavy-duty turbine, wherein the manifold includes a plurality of impingement holes in the surface of the manifold and a blower that provides air flow across the plurality of impingement holes of the... Agent: Sutherland Asbill & Brennan LLP

20080089781 - High temperature seals and high temperature sealing systems: A high temperature seal that may include an interior region comprising a material that swells when exposed to a high temperature environment and at least one projection that is able to be inserted into a slot, and a coating that substantially prevents swelling to coated areas of the interior region.... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080089782 - Variable geometry turbine: A variable geometry turbine comprises a turbine wheel (9) supported in a housing (1) for rotation about an axis. A nozzle ring (5) is moveably mounted within a cavity (19) provided within the housing for adjustment of the width of an annular inlet passageway (4) extending radially inwards towards the... Agent: John H. Allie Krieg Devault LLP

20080089783 - Passive air seal clearance control: A seal for restricting leakage of a fluid through a gap disposed between rotating and stationary components concentrically aligned within a gas turbine engine comprises a sealing member and a land. The sealing member is positioned on either the rotating or stationary component of the gas turbine engine and closes... Agent: Kinney & Lange, P.A.

20080089784 - Multiblade impeller: The multiblade impeller of the present invention comprises a main plate, a side plate having a suction port at a center thereof, and a large number of blades provided between the main plate and the side plate and extend in the radial direction in an arc form. The main plate... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080089785 - Blower unit and portable blower: A blower unit for a portable blower, having a drive shaft that is rotatably driven by a drive motor. Disposed in the blower unit is an axial fan that is provided with at least one fan wheel driven by the drive shaft and at least guide wheel fixedly disposed in... Agent: Robert W. Becker & Associates

20080085179 - Wind power converting apparatus and method: In combination a frame having an upright axis, at least one wind turbine carried by the frame in offset relation to said frame axis, to rotate relative to that axis, at least one baffle oriented by the frame to collect incident wind and re-direct such wind into the turbine.... Agent: William W. Haefliger

20080085180 - Variable capacity natural gas compressor: The invention relates to a method and apparatus for gas compression. More particularly the invention is directed to a variable capacity screw compressor. The screw compressor has an engine, an intake slide valve, and a programmable logic controller for controlling the transmission speed of the engine and for controlling the... Agent: Edward Yoo C/o Bennett Jones

20080085181 - Fuel pump: A fuel pump has a casing and an impeller. The impeller is substantially disk shaped having an upper surface and a lower surface The impeller is rotatable within the casing around a rotational axis. A plurality of impeller depressions is formed in at least the lower surface of the impeller.... Agent: Dennison, Schultz & Macdonald

20080085182 - Transition channel between two turbine stages: The present invention relates to a transition channel (10) between a first turbine section and a second turbine section for a gas turbine engine, comprising a first radially external annular wall (102), a second radially internal annular wall, the first wall comprising orifices (102C′) for injecting a fluid into the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080085183 - Air seal arrangement for a gas turbine engine: The air seal arrangement is for a disc wheel in a gas turbine engine. The disc wheel comprises a sleeve portion having an outer surface. The arrangement comprises a static knife edge seal in registry with the outer surface. The static knife edge seal has a free end adjacent to... Agent: Ogilvy Renault LLP (pwc)

20080085184 - Rotary blood pump with opposing spindle magnets and contoured housing: Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housing has a spindle extending into the pumping chamber. A spindle magnet assembly includes... Agent: Inskeep Intellectual Property Group, Inc.

20080085185 - Multistage pump assembly: A modular multistage pump assembly includes a volute having a suction side and a pressure side, a pump stack having at least one stage, and a modular flange coupled to each of the volute and the pump stack.... Agent: Dean D. Small The Small Patent Law Group LLP

20080085186 - Centrifugal fan with turbulence inducing inlet bell: A centrifugal fan has an inlet bell that induces turbulence in the intake air stream so as to better distribute air across the rotating radial fan blades and thereby increase fan efficiency. The “turbulator” feature is one or more preferably arcuate surfaces integrally formed in the inlet bell to either... Agent: Quarles & Brady LLP

20080085187 - Fan exit guide vane repair method and apparatus: A replacement fan exit guide vane assembly for installation between an inner case and an outer case of a gas turbine engine includes an airfoil structure having an outer end and an inner end, a wedge structure connected to the outer end of the airfoil structure, a base plate positioned... Agent: Kinney & Lange, P.a.

20080085188 - mixed flow fan: A mixed flow fan having a housing, a stator, and an impeller, with the housing having a downward extending skirt and an upper perimeter as air inlet and a lower perimeter as air exhaust, a central hub with an outer edge, and a plurality of struts connected to the upper... Agent: Frank G Morkunas

20080085189 - Micro fan: The present invention relates to a micro fan, including an impeller, a fan seat and a bottom cover plate, wherein the impeller has a shaft seat stationarily disposed at one end of a spindle and a plurality of blades extended from a periphery of the shaft seat, a top ring... Agent: Bacon & Thomas, Pllc

20080080964 - Fuel pump and fuel feed system for an internal combustion engine of a motor vehicle having a fuel pump: In a fuel pump in the form of a side-channel pump for a motor vehicle two partially annular ducts (21, 22) concentrically enclosing one another are connected to one another via a connecting duct (29). Connections (33, 34) of the connecting duct (29) to the partially annular ducts (21, 22)... Agent: Hanley, Flight & Zimmerman, LLC

20080080965 - Pump comprising an axial balancing system:

20080080966 - Turbocharger: A turbocharger includes a turbine wheel having a center hole and a turbine shaft having one end secured on a small-diameter inner circumferential surface of the center hole. A large-diameter inner circumferential surface and a large diameter outer circumferential surface are formed to provide a cylindrical clearance opening toward a... Agent: Mcginn Intellectual Property Law Group, PLLC

20080080967 - Method and apparatus for operating gas turbine engines: A method for operating a gas turbine engine is provided. The gas turbine engine includes a fan, a high pressure turbine coupled downstream from the fan, and a low pressure turbine downstream from the high pressure turbine. The method includes channeling a portion of air discharged from the fan through... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080080968 - Methods and apparatus for assembling turbine engines: A method for assembling a gas turbine engine is provided. The method includes providing a turbine nozzle including an outer band and an inner band, wherein each band includes a leading edge, a trailing edge, and a body extending therebetween. At least one of the outer band and the inner... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080080969 - Impeller baffle with air cavity deswirlers: A gas turbine engine includes a high-pressure compressor having an impeller and an impeller baffle having a generally annular body, the impeller baffle spaced apart from a back face of an impeller to create an airspace therebetween, the airspace communicating between an impeller exit and an apparatus to be pressurized,... Agent: Ogilvy Renault LLP (pwc)

20080080970 - Gas turbine engine vane arrangement: Within gas turbine engines is necessary to provide nozzle guide vanes between stages of the engine. These vanes are presented in vane segments and it is desirable to prevent leakage to retain engine operation efficiency as well as to avoid hot gas impingement on inappropriate parts of the engine. By... Agent: Oliff & Berridge, PLC

20080080971 - Labyrinth seal repair: A method and apparatus for repairing damaged fins in a labyrinth seal, the seal without the use of welding or metallurgical bonding. The method comprises the steps of removing a section of the shaft containing the damaged fins, and providing a sleeve with replacement fins.... Agent: Ogilvy Renault LLP

20080080972 - Stationary-rotating assemblies having surface features for enhanced containment of fluid flow, and related processes: A turbomachine is described, which includes a rotating member having an interface region with a stationary member. The interface region includes a pattern of concavities. A method for restricting the flow of a fluid through a gap between a stationary member and a rotating member is also described. The method... Agent: General Electric Company Global Research

20080080973 - Impeller and diffuser with a rotating and converging hub: The invention is characterised by the fact that the hub (20) has a downstream surface (20b) extending axially so as to converge toward the centrifugal wheel, and in that the blades (36) of the diffuser (34) have free ends, said blades protruding radially toward said downstream surface in such a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080080974 - Annular gas turbine engine case and method of manufacturing: The method comprises flowforming at least one section of a preform and then adding at least one additional element on the at least one flowformed section.... Agent: Ogilvy Renault LLP (pwc)

20080080975 - Centrifugal pump: An electric pump for use with an engine in a vehicle is provided. The electric pump has an impeller having a plurality of blades for moving coolant. A working surface of each blade is formed to be a flat plane which extends generally straight in both an axial direction and... Agent: Westerman, Hattori, Daniels & Adrian, LLP