Rotary kinetic fluid motors or pumps inventions 05/09

20090136334 - Bearing and shaft wheel assembly balancing techniques and equipment for turbochargers: An exemplary clamp for clamping a bearing cartridge and shaft subassembly of a turbocharger includes an upper portion, a lower portion where the upper portion and the lower portion form a bore having a bore diameter sized to clamp a bearing cartridge and a fluid passage defined in part by... Agent: Honeywell Turbo Technologies

20090136335 - Turbine unit for refrigerating/cooling air cycle: A compressor rotor 6a and a turbine rotor 7a are respectively attached at either end of the main shaft 13 so that the compressor rotor 6a is driven by the power generated by the turbine rotor 7a. The main shaft 13 is supported by rolling contact bearings 15 and 16... Agent: Osha Liang L.L.P.

20090136336 - Exhaust system and exhausting pump connected to a processing chamber of a substrate processing apparatus: An exhausting system and an exhausting pump connected to a processing chamber of a substrate processing apparatus are provided. The exhausting pump is provided with at least one rotary blade and a cylindrical intake part disposed at the processing chamber side from the rotary blade. The exhausting pump includes a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090136337 - Method and apparatus for improved reduced load operation of steam turbines: An apparatus and method for improving reduced-load operation of steam turbines. The apparatus may include a number of low pressure sections and a flow control system operable to limit the flow of steam to at least one of the number of low pressure sections. The method may include providing a... Agent: Sutherland Asbill & Brennan LLP

20090136338 - Turbocharger with at least one variable turbine geometry turbine: The invention relates to a turbocharger for a combustion engine, in particular of a motor vehicle, with at least one variable turbine geometry turbine, which exhibits a rotor disk and vanes arranged on a vane support, which are spaced apart from each other around the rotor disk in at least... Agent: Rader, Fishman & Grauer PLLC

20090136339 - Methods and apparatus to facilitate sealing in rotary machines: A method for assembling a rotary machine is provided. The method includes providing at least one seal assembly that includes at least one annular seal housing defined by a top wall, a front wall, and a rear wall, that are connected together such that a cavity is defined within the... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20090136340 - Hydrodynamische maschine, insbesondere hydrodynamische kupplung eines turbocompoundsystems: A hydrodynamic machine, and especially a hydrodynamic coupling, for a turbine compound system includes (a) a bladed primary wheel and a bladed secondary wheel which together form an operating space which is filled or can be filled with operating medium, and (b) a housing which encloses the primary wheel and... Agent: Taylor & Aust, P.C.

20090136341 - Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor: A single ended or double-ended blower includes a blower motor assembly supporting opposed first and second shaft ends. The first and second shaft ends have respective first and second impellers attached thereto and enclosed within first and second volutes, respectively. The first volute is connected to an inlet and the... Agent: Nixon & Vanderhye, PC

20090136342 - Duct installation: A duct installation, for example a casing 4 and an exhaust duct 8 of a gas turbine engine, comprises a main body 12 and an end section 14 of the casing 4 which are separable at a coupling including end flanges 18, 20. The end section 14 is axially slidable... Agent: Oliff & Berridge, PLC

20090136343 - Torque converter with weld contamination control ring: A torque converter including an input housing having an axial surface and a pump shell having an axial surface. The input housing and the pump shell being welded together and the pump shell or the input housing having a groove facing the other of the pump shell or output housing.... Agent: Davidson, Davidson & Kappel, LLC

20090136344 - Cooling module, and cooling fan device having the same: A cooling fan device includes a main housing having first and second accommodating spaces as well as first and second vent holes, a tubular heat-insulating case body receiving a core unit and a conducting unit of a cooling module and disposed in the first accommodating space, and a fan unit... Agent: Darby & Darby P.C.

20090136345 - Segmented ceramic layer for member of gas turbine engine: A turbine seal member for use in a gas turbine engine includes a turbine seal substrate having a gas-path side and a ceramic layer disposed on the gas-path side that includes a plurality of mechanical indentations.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090129913 - Computer room environmental conditioning unit with translatable blowers: A conditioning unit can allow the blower to be easily translated from a first operable position in the conditioning unit to a second operable position external to the conditioning unit. The translation of the blower does not require the disconnection of the blower and, accordingly, does not require that the... Agent: Harness, Dickey & Pierce, P.L.C

20090129914 - Auxiliary fluid source for an egr purge system: The exhaust within an exhaust gas recirculation (EGR) system should be purged to allow for access to the components of the EGR system. A system and method for purging the EGR system is provided. The system and method may incorporate a purge gas supply that may include: at least one... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090129915 - Turbine airfoil cooling system with recessed trailing edge cooling slot: A cooling system for a turbine airfoil of a turbine engine having a trailing edge cooling slot positioned within the generally elongated, hollow airfoil and extending from the trailing edge chordwise into the generally elongated, hollow airfoil toward the leading edge such that a secondary trailing edge is offset upstream... Agent: Siemens Corporation Intellectual Property Department

20090129916 - Turbine apparatus: A gas turbine engine comprising a rotor and a stator which define first, second and third cavities; the rotor and stator define a seal therebetween and which is located for sealing between the second and third cavities, the rotor comprises an aperture through which a gas flow passes from the... Agent: Mccormick, Paulding & Huber LLP

20090129917 - Sealing a rotor ring in a turbine stage: A turbine stage in a turbomachine, the stage comprising a wheel mounted in a ring carried by a turbine casing, and a nozzle situated upstream from the wheel and including an annular fastener rim for fastening to the turbine casing, sealing being provided between the outer rim of the nozzle... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090129918 - Blower unit: A blower unit has a first axial fan and a second axial fan for generating a flow of cooling air passing through a heat exchanger disposed under an intake duct through which an intake air to be introduced to an engine flows. The first axial fan and the second axial... Agent: Harness, Dickey & Pierce, P.L.C

20090129919 - Multi-blade centrifugal fan: A multi-blade centrifugal fan for preventing circular flows in the end portions of an impeller in the axial direction is provided in a simple structure. The multi-blade centrifugal fan is formed of a fan casing 1 of a scroll type and a multi-blade centrifugal impeller 2. The fan casing 1... Agent: Birch Stewart Kolasch & Birch

20090129920 - Turbine housing for a turbocharger: A turbine housing (13) for a radial flow turbine, particularly a turbine used in an exhaust gas turbocharger. The housing has a general volute shape with a substantially annular part extending around the turbine axis and an inlet duct (20) extending therefrom. The inlet duct (20) has a first wall... Agent: John H. Allie, Krieg Devault LLP

20090129921 - Cooling fan having protrusion at air outlet thereof: A cooling fan (20) includes a housing (22) and an impeller (24). The housing has a base (221), a sidewall (222) extending from a periphery of the base with an air outlet (226) defined therein, and a cap (223) covering the sidewall. The impeller has a plurality of blades (242)... Agent: PCe Industry, Inc. Att. Steven Reiss

20090129922 - Access door for gas turbine engine components: An access door is provided in a housing for a gas turbine engine, with the access door being movable to an access position independent of any required movement of any cowl door or a fan duct door.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090123265 - Gas turbine engine: The invention is directed to a gas turbine engine comprising a compressor, a combustion chamber, and a turbine section installed one after the other in series in the direction of the air and gas flow, wherein the compressor consists of two groups of blade wheels rotating in opposite directions to... Agent: Quarles & Brady LLP

20090123266 - Air sealing element: A turbine blade outer air seal segment assembly has a first turbine blade outer air seal segment with a first end portion, a middle portion and a second end portion. The first turbine blade outer air seal segment is for connection with a second turbine blade outer air seal segment... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090123267 - Inlet film cooling of turbine end wall of a gas turbine engine: The disclosure provides a gas turbine engine having a plurality of nozzle vanes extending between an inner shroud wall and an outer shroud wall of the engine. Each of the vanes includes a leading edge and at least one cooling protrusion extending upstream from a center of the leading edge.... Agent: Caterpillar C/o Liell, Mcneil & Harper

20090123268 - Z-notch shape for a turbine blade: In one embodiment, a turbine bucket includes: a tip shroud with a front edge and a following edge, the front edge and the following edge including a Z-Notch profile according to the Cartesian coordinate values of X, Y and Z set forth in Table I; wherein the coordinate values are... Agent: Cantor Colburn, LLP

20090123269 - Device for detecting breakage of a turbomachine shaft:

20090123270 - Pump: The invention relates to a pump for pumping contaminated liquid including solid matter, comprising a pump housing provided with a rotatable impeller suspended in a drive shaft and having at least one vane, and an impeller seat, at least one part of the impeller and the impeller seat being movable... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090123271 - Fan shaft retention: A retention system for a fan in a gas turbine engine includes a shaft that is rotatable relative to a bearing support structure about an axis. The retention system includes fore and aft bearings that rotatably support the shaft, with the fore and aft bearings being spaced apart from each... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090123272 - Adaptive variable geometry turbocharger strategy: A variable geometry turbocharger employs multiple vanes in the turbine inlet with a unison ring and integral cast wall in the turbine housing forming the nozzle walls. An actuator rotates the unison ring through a rack and pinion driven crank shaft to move the vanes through a range of vane... Agent: Honeywell Turbo Technologies

20090123273 - Turbine or compressor stage for a turbojet: A turbojet turbine or compressor stage, comprising at least one rotor disk mounted inside a sectorized ring (120) supported by a casing (116) and comprising a circumferential flange (132) radially clamped on an annular rail (136) of the casing by a substantially C-shaped cross-section annular locking device (138) which is... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090123274 - Split gearbox and nacelle arrangement: A gas turbine engine is disclosed that includes at least first and second gearboxes rotationally coupled to at least one spool. Accessory drive components are mounted on and driven by the gearboxes. The accessory drive components include, for example, a fuel pump, a hydraulic pump, a generator, a lubrication pump,... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090123275 - Apparatus for eliminating compressor stator vibration induced by tip leakage vortex bursting: Vibration induced compressor vane failure from tip leakage vortex bursting is eliminated or minimized. By securing the vane at opposite ends to inner and outer stationary casings, tip leakage is entirely avoided hence avoiding the mechanism for inducing vibration. By contouring the inner surface of the flow path to converge... Agent: Nixon & Vanderhye P.C.

20090123276 - Steam turbine: A steam turbine is provided having a rotor which rotates around a machine axis, and a stator which concentrically encompasses the rotor with clearance, between which an annular passage is formed which is exposed to throughflow by steam in the axial direction and in which a multiplicity of rotor blades,... Agent: Volpe And Koenig, P.C. Dept. Alstom

20090123277 - Exhaust hood for a turbine and methods of assembling the same: A method for assembling an exhaust hood for a turbine is provided. The method includes providing a bearing cone that substantially circumscribes a rotor of the turbine; and positioning a guide radially outward from the bearing cone. The guide and the bearing cone are configured to channel fluid from the... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20090123279 - Connection of radial arms to a circular sleeve via axes and spacers: m

20090123278 - Stage of a turbine or compressor, particularly for a turbomachine: A stage of a turbine or compressor for a turbomachine, comprising at least a vane disk (18) surrounded with a sectorised ring (20) supported by a casing (16) and comprising a circumferential flange (34) radially clamped on a rail (38) of the casing by substantially C-shaped cross-section locks (40, 140)... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090123280 - Turbine or compressor stage for a turbomachine: A turbine or compressor stage for a turbomachine, the stage comprising a blade wheel surrounded by a sectorized ring carried by a casing, each ring sector including a circumferential rim that is clamped radially a casing rail by two clamps of C-shaped section that are engaged on the circumferential end... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090123281 - Axial flow impeller: A low noise axial flow impeller has a multi cellular form of construction comprising a multiplicity of individual axial flow channels disposed in a circumferential and radial array with respect to the axis of rotation. This increases the “blade passing frequency” as compared to a conventional impeller and since higher... Agent: Oliff & Berridge, PLC

20090116951 - Method and apparatus for fan shaft bearing lubrication: A lubrication system for a bearing assembly includes a fan shaft with a plurality of conduits, a first bearing rotatably supporting the fan shaft, and a second bearing rotatably supporting the fan shaft where the second bearing is axially spaced from the first bearing. The plurality of conduits includes at... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090116952 - Rolling fluid machine especially with a liquid spraying at the output: A rolling fluid machine especially with a liquid spraying at the output, comprising a chamber (1) where at least a part of its inner surface has a rotary shape and the chamber (1) is provided with at least one inlet (2) of fluid and at least one outlet (3) of... Agent: Hovey Williams LLP

20090116953 - Turbine airfoil with platform cooling: Convective cooling of gas turbine engine airfoil platforms is enhanced by grooving the interface of the platforms with corresponding platform-to-platform seals, thereby accelerating cooling airflow over the platform surfaces.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090116954 - Pitch control ring for stator vanes of a turbomachine: A turbomachine including a variable-pitch stator vane stage. A control ring that is coaxial around the casing comprises two segments that are assembled together by side connection straps fastened on either side of the segments with mutual insetting and in the vicinity of the ends of the segments.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090116955 - Turbine engine comprising means for heating the air entering the free turbine: The invention is characterized in that the turbine engine also comprises heating means (26) placed between the gas generator and the free turbine (14), the said heating means (26) being capable of increasing the temperature of the gas flow (f) generated by the gas generator (12) and driving the free... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090116956 - Manufacturable and inspectable cooling microcircuits for blade-outer-air-seals: A method for manufacturing a cooling microcircuit in a blade-outer-air-seal is provided. The method broadly comprises the steps of forming a first section of the blade-outer-air-seal having a first exposed internal wall, forming a second section of the blade-outer-air-seal having a second exposed internal wall, and forming at least one... Agent: Bachman & Lapointe, P.C. (p&w)

20090116957 - Steam turbine with two steam chambers: A steam turbine with at least two steam chambers which are enclosed by a basically tubular casing and which are separated from each other by means of at least one partition which is arranged in the casing, is characterized according to the invention in that the partition is formed from... Agent: Siemens Corporation Intellectual Property Department

20090116958 - Variable pump: The present invention relates to a centrifugal pump and a method of varying the properties of a centrifugal pump. The centrifugal pump has a pump housing, which in the preferred form comprises a front casing 22 and a back casing 24. The pump also includes an impeller 26. The present... Agent: Lewis, Rice & Fingersh, Lc Attn: BoxIPDept.

20090116959 - Turbo-molecular pump and method of assembling turbo-molecular pump: Spacer rings 31f to 31h are set to a threadedly grooved spacer 3. Next, a moving section is inserted along the inner wall of a beanng section of a base 24 from the upside and is fixed. Thereafter, the spacer ring 31f to 31h are raised to provide a clearance... Agent: Bruce L Adams Adams& Wilks

20090116960 - Centrifugal pump, a shaft sleeve and a stationary seal member: The present invention relates to a centrifugal pump, a shaft sleeve and a stationary seal member for a static seal used in connection with a dynamic sealing of a centrifugal pump. The invention relates to a static seal the clearance of which may be adjusted while the pump is running.... Agent: Townsend And Townsend And Crew, LLP