Rotary kinetic fluid motors or pumps inventions 11/08

20080292449 - Acoustic damper integrated to a compressor housing: A compressor housing for accommodating a compressor wheel comprises an inlet and an outlet, each being defined by a wall provided integrally with said compressor housing, wherein at least one acoustic damper element is disposed on the outside of at least one of said walls of the inlet and the... Agent: Honeywell International Patent Service

20080292450 - Blower apparatus: Blower apparatus has: an air duct having suction and supply openings; a blower fan for creating a flow of air in the duct; and an electrostatic atomizer. The atomizer includes a hollow body exposed to the air in the duct. The body is provided therein with an electrostatic atomization chamber,... Agent: Cheng Law Group, PLLC

20080292451 - Securing arrangement: A securing arrangement 32 for securing an actuating lever 20 to a spindle 14, for example a spindle 14 of a variable inlet guide vane 10 in a gas turbine engine, comprises a fastening formation 38 rotatably co-operable, in use, with a corresponding fastening formation 30 on the spindle 14.... Agent: Manelli Denison & Selter

20080292452 - Housing for a supercharger assembly: A housing for a supercharger assembly is provided having an inner wall at least partially defining a rotor cavity. A layer is formed from a sacrificial polymeric material and is provided on at least a portion of the inner wall. The layer is operable to provide approximately zero running clearance... Agent: General Motors Corporation Legal Staff

20080292453 - Fan and frame thereof: A fan includes a frame and an impeller. The frame includes a main body, a plurality of guiding elements and a motor base. The main body has an airflow inlet and an airflow outlet. The guiding elements are disposed in the main body and located at the airflow outlet, wherein... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080292454 - System, method, and apparatus for stackable multi-stage diffuser with anti-rotation lugs: A stackable multi-stage diffuser with anti-rotation lugs utilizes cast lugs and complementary recesses in the diffuser walls. When stacked in a housing, the lugs of lower diffusers nest inside the recesses of upper diffusers. The diffuser sections interlock and are mechanically locked in the housing to prevent rotation of the... Agent: Bracewell & Giuliani LLP

20080292455 - Centrifugal air blower: A centrifugal blower includes a main scroll portion and a scroll opening through which air is discharged. A transitional portion conducts air discharged through the scroll opening away from the blower. The transitional portion includes an internal passageway that provides for the smooth passage of air essentially without causing any... Agent: Pearne & Gordon LLP

20080292456 - Device for producing mechanical energy by means of a divergent, telescopic and auto sustained chimney: A telescopic chimney and methods are disclosed for generation of mechanical energy using air routed through a turbine. Truncated cones stored nested together telescope to interlock when extended end to end to form a conical shape that diverges upwardly. An air output deflector at the exit of the chimney drives... Agent: Louis Ventre, Jr

20080292457 - Device for suspending guide blades: A device (10) for suspending gas channel elements, in particular for suspending guide blades or guide blade segments or gas channel segments, on a housing of a gas turbines is provided. The device comprises first plate-shaped elements (11, 12, 13, 14) and second plate-shaped elements (15, 16, 17), whereby the... Agent: Davidson, Davidson & Kappel, LLC

20080292458 - Fan shroud structure: A fan shroud structure includes a heat exchanger and a fan shroud. The heat exchanger has an upper tank and a lower tank, and the upper tank and the lower tank sandwich a core part therebetween. The fan shroud is attached to the heat exchanger, and the fan shroud has... Agent: Foley And Lardner LLP Suite 500

20080292459 - Streamlined orifice of outdoor unit: A comfort system outdoor unit with an orifice structure and a fan in its top opening is provided with an insert to streamline the inward flow of air that passes over a lower end of the orifice structure. The insert may be fastened directly to the orifice lower end, or... Agent: Marjama Muldoon Blasiak & Sullivan LLP

20080286088 - Fan system and motor control circuit: A control circuit is electrically connected to at least one fan device. The fan device has a motor and generates a sensing signal. The control circuit receives a power-source signal and the sensing signal and includes a power converting unit, a control unit and a switch unit. The power converting... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080286087 - System and a method for capacity control in a screw compressor: A system and a method for implementing capacity control in a screw compressor, said system comprising; a screw compressor, said compressor driven by a multi-capacity (speed and power) motor to compress air or gas medium, a bypass inlet member with a bypass valve, extending from the high pressure zone to... Agent: Sughrue Mion, PLLC

20080286089 - Turbo-molecular pump: Disclosed is a turbo-molecular pump, which comprises a rotor including a first cylindrical body formed with a part of a plurality of rotating blades arranged in multistage, a second cylindrical body integrally connected to an outer peripheral region of a downstream end of the first cylindrical body and formed with... Agent: Sughrue Mion, PLLC

20080286090 - Turbine component: A plurality of film cooling holes 13 is formed at regions exposed to a hot gas in a turbine component main body 3, each of the film cooling holes 13 is comprised of a straight hole portion 15 formed at a portion at a side of an inner wall surface... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080286091 - Fan detecting apparatus: A fan detecting apparatus for detecting operation of at least two fans includes at least two airflow detecting units with two signal transmitting terminals, a judging unit with at least one judging terminal, and at least two identity indicating units electrically coupled to the corresponding at least two airflow detecting... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080286092 - Air convection warmer with noise reduction filter: To reduce the noise level of air convective warmer, the air filter of the warmer is fitted with an air intercept mechanism to disrupt the flow of air that traverses inside the interior cavity of the air filter. By thus disrupting the air flow, the noise that otherwise would have... Agent: Louis Woo Law Office Of Louis Woo

20080286093 - Cooler fan hub: The invention relates to an impeller wheel (1) as part of a fan for cooling a motor vehicle drive, in particular an internal combustion engine. The impeller wheel (1) can be set in rotation by a fan drive (10) having a drive shaft (8). The impeller wheel (1) has a... Agent: Ford Global Technologies, LLC

20080286094 - Variable geometry nacelle assembly for a gas turbine engine: A nacelle assembly includes an inlet lip section and a cowl section positioned downstream of the inlet lip section. At least a portion of the cowl section is moveable to influence an effective boundary layer thickness of the nacelle assembly.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080286095 - Centrifugal compressor return passages using splitter vanes: A return section in a multistage centrifugal compressor includes a plurality of circumferentially positioned flow vanes, and a plurality of splitter vanes disposed between the flow vanes. The splitter vanes serve to minimize or eliminate regions of reverse or separated flow, resulting in improved compressor performance.... Agent: Nixon & Vanderhye P.C.

20080286096 - Drain pump, and air conditioner provided therewith: A drain pump is provided that reduces the operating noise when the head is low. The drain pump has a pump casing, and an impeller. The pump casing has a drain inlet for sucking in drain water at a lower end part and a drain outlet for discharging drain water... Agent: GlobalIPCounselors, LLP

20080286097 - Support bar with adjustable shim design for turbine diaphragms: A support arrangement for a diaphragm segment in a turbine casing that includes: 1) a support bar joined to a diaphragm segment; 2) a turbine casing comprising a vertical wall and a horizontal shoulder, wherein a portion of the horizontal shoulder underlies the support bar; 3) a cut out area... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080286098 - Wear minimization system for a compressor diaphragm: Aspects of the invention relate to a system for reducing relative movement between the outer shroud of a compressor diaphragm and the compressor shell of a turbine engine, thereby minimizing the wear and prolonging the life of such parts. Embodiments of the invention include a system for applying a preload... Agent: Siemens Corporation Intellectual Property Department

20080286099 - Steam turbine exhaust hood and method of fabricating the same: A method of fabricating an exhaust hood is provided for use with a turbine engine. The method includes providing an upper shell casing wherein the upper shell casing is fabricated from a composite material, and coupling the upper shell casing to a lower shell casing such that a turbine is... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20080286100 - Fan bracket and brackt set: A fan bracket and a bracket set are respectively adapted to allow a cooling fan and cooling fans to be assembled therein. The cooling fan is provided with at least one positioning groove and the fan bracket includes a bracket body, at least one elastic positioning protrusion and at least... Agent: Apex Juris, PLLC

20080279675 - Operation of an aircraft engine after emergency shutdown: A method of emergency operation of an aircraft turbofan engine during an aircraft flight is provided. The engine includes a fan shaft with a fan, and an electric motor/generator mounted for rotation therewith. The method includes shutting down the engine while allowing the engine to windmill, operating the electric motor/generator... Agent: Ogilvy Renault LLP (pwc)

20080279676 - Turbine anti-rotating stall schedule: A method of starting up a turbine with a compressor have an inlet guide vane, a number of bleed valves, and a number of blades so as to limit the duration in a rotating stall window. The method may include starting rotation of the blades, increasing the speed of the... Agent: Sutherland Asbill & Brennan LLP

20080279677 - Fan array fan section in air-handling systems: A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units at peak efficiency. The plurality of fan units... Agent: Chernoff, Vilhauer, Mcclung & Stenzel

20080279678 - Abradable cmc stacked laminate ring segment for a gas turbine: A pattern of depressions (36) in a sealing surface (34) on a CMC wall (32) of gas turbine ring segment (30) allows minimum clearance against turbine blades tips, and thus maximizes working gas sealing. An array of depressions (36) on the surface (34) increases abradability of the surface (34) by... Agent: Siemens Corporation Intellectual Property Department

20080279679 - Multivane segment mounting arrangement for a gas turbine: A mounting arrangement (10) for a multivane segment (12) of ceramic matrix composite (CMC) composition positioned between outer and inner metallic rings (14, 16). Selected ones of the vanes (18a) of the multivane segment surround internal struts (24) joining the outer and inner rings. Spring members (26, 28) accommodate differential... Agent: Siemens Corporation Intellectual Property Department

20080279680 - Multistage centrifugal compressor: A multistage centrifugal compressor includes a rotary shaft, and multistage impellers attached to the rotary shaft. Each of the impellers includes a hub, a shroud and blades therebetween in a radial cascade arrangement. An annular suction passage for guiding the fluid flow from the inward radial direction to a blade... Agent: Crowell & Moring LLP Intellectual Property Group

20080279681 - Centrifugal blower: An object is to provide a centrifugal blower with reduced noise. The centrifugal blower is provided with: an impeller; a casing that houses the impeller and forms a spiral flow passage that surrounds a radial direction outside of the impeller; and a driving device that rotates the impeller about an... Agent: Birch Stewart Kolasch & Birch

20080279682 - Impeller assembly and method of using same: An impeller assembly including a pair of plates with one of the plates having a plurality of blades and an interlock structure for aligning and coupling the plates together. A disclosed example of the interlock structure includes a plurality of latch members extending from one plate and locking into apertures... Agent: Fulbright & Jaworski L.L.P.

20080279683 - Liner retention system: Apparatus and method for securing a cylinder liner to a pumping module. A first part of an assembly housing pistons is fastened to a pumping module and a second part of the assembly is brought against the first so that the pistons act on tensioning plates which each have a... Agent: Edwards Angell Palmer & Dodge LLP

20080279684 - Composite shaft: A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive sleeve disposed between an outer surface of a tie rod shaft and an inner surface of... Agent: Honeywell International, Inc.

20080273961 - Flutter sensing and control system for a gas turbine engine: A gas turbine engine system includes a nacelle, a fan casing within the nacelle, a variable area fan nozzle, a sensor and a controller. The sensor detects an airfoil flutter condition. The controller communicates with the sensor and is operable to move the variable area fan nozzle to influence a... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080273962 - Liquid turbine device including a turbine wheel with more than one set of blades in radial succession: A liquid turbine device including a turbine wheel, in which the turbine wheel includes more than one set of blades in radial succession.... Agent: Andrus, Sceales, Starke & Sawall, LLP

20080273963 - Impingement skin core cooling for gas turbine engine blade: Turbine components, and in particular turbine blades, are provided with impingement cooling channels. Air is delivered along central channels, and the central channels deliver the air through crossover holes to core channels adjacent both a pressure wall and a suction wall. The air passing through the crossover holes impacts against... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080273964 - Stator damper shim: A system and method for reducing vibration and wear to adjacent platform surfaces and mounting locations of a vane segment in a gas turbine engine is disclosed. The present invention seeks to improve the interaction between mating faces of adjacent gas turbine vane assemblies by increasing the surface area where... Agent: Shook, Hardy & Bacon LLP Intellectual Property Department

20080273965 - System and method for controlling stator assemblies: A variable vane control system for use with a gas turbine engine includes a plurality of vanes, an actuation assembly, a mechanical linkage assembly, and a sensor. Each of the plurality of vanes has an airfoil portion disposed in a gas flowpath of the gas turbine engine, and a position... Agent: Kinney & Lange, P.A.

20080273966 - Coolant pump: A coolant pump includes a housing having an internal axis; a bearing disposed on an outside surface of the housing; a shaft disposed along the internal axis of the housing, wherein the shaft is journaled by the bearing so as to be rotatable; an impeller disposed on the shaft so... Agent: Griffin & Szipl, PC

20080273967 - Ring seal for a turbine engine: A turbine engine ring seal for sealing gaps between turbine engine outer seal segments and turbine blade tips. The turbine engine ring segment may have an inner radial surface that defines a portion of a gap gas flow path where the inner radial surface may be formed of an abradable... Agent: Siemens Corporation Intellectual Property Department

20080273968 - System for regulating a cooling fluid within a turbomachine: A system for regulating a cooling fluid within a turbomachine. The system may include a plurality of bypass chambers, wherein each of the plurality of bypass chambers allows for the cooling fluid to pass from the compressor section to the at least one wheelspace area. The system may also include... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080273969 - Hybrid worm gas turbine engine: A gas turbine engine has components including a compressor, a combustor, and a turbine. At least one component is radially bladed having at least one row of radially extending rotatable blades and at least another is a worm component having an inner body disposed within an outer body. The inner... Agent: Steven J. Rosen Patent Attorney

20080273970 - Hp turbine vane airfoil profile: A two-stage high pressure turbine comprises a second 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: Ogilvy Renault LLP (pwc)

20080273972 - Temperature controlling apparatus: An apparatus for controlling the temperature of a component, which is situated in use in a gas stream, provides a nozzle to create a jet of air at an angle to the gas stream, the jet being directed into the region of the stagnation point of the component so as... Agent: Mccormick, Paulding & Huber LLP

20080273971 - Turbine nozzle segment and repair method: A method of repairing a turbine nozzle segment having at least one vane disposed between outer and inner bands. The method includes using an salvageable part, such as honeycomb backing strip remnant, from a nozzle segment that is unrepairable, and joining the honeycomb backing strip to a replacement casting. The... Agent: Adams Intellectual Property Law, P.A.

20080273973 - Blower and air conditioner outdoor unit with the blower: A blower is provided with an axial flow impeller 7, a fan motor 8 positioned in a suction side of the axial flow impeller 7, and a motor stay 9 supporting the fan motor 8. The motor stay 9 is substantially formed to have a linear shape and attached in... Agent: Birch Stewart Kolasch & Birch