Rotary kinetic fluid motors or pumps inventions 09/07

20070224030 - Fan system with hysteresis character and method thereof: A fan system includes a fan, a hysteresis circuit including a temperature sensor, a first operational amplifier having a negative input end coupled to the temperature sensor, and a second operational amplifier having a negative input end coupled to an output end of the first operational amplifier and having a... Agent: Birch, Stewart, Kolasch & Birch, LLP

20070224031 - Rotary blower and aspirator having a modifiable conformation: The machine comprises an impeller, provided with blades connected to a central body of the impeller; the impeller is closed in a casing which defines an annular conduit, in which the blades rotate, which annular conduit exhibits an intake mouth and a delivery mouth and further exhibits a first tract... Agent: Pearne & Gordon LLP

20070224029 - Blades for a vertical axis wind turbine, and the vertical axis wind turbine: A vertical axis wind turbine capable of rotating at a high velocity after starting to rotate while keeping its self-startability high in starting to rotate is provided. The vertical axis wind turbine 10 has airfoil blades with cutouts 19 in the airfoil-shaped lower surfaces of the blades and boundary-layer reattachment... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070224032 - Compressor apparatus with recirculation and method therefore: There is provided a compressor (10) and associated method for providing a flow of recirculated air to control surging in the compressor. The compressor includes a housing (12) with a compressor wheel (16) rotably mounted therein. The housing defines at least one injection port (36) configured to receive compressed air... Agent: Honeywell Turbo Technologies

20070224033 - Fanned trailing edge teardrop array: A component for use in a gas turbine engine is provided. The component has an airfoil portion with a plurality of internal cooling passages and a non-linear trailing edge. The component further has a non-linear array of teardrop shaped assemblies which form a plurality of injection slots for injecting a... Agent: Bachman & Lapointe, P.C. (p&w)

20070224034 - Pump header body and modular manifold: A modular header body is described for distributing fluid to an individually pumped fluid circuit. The modular header body has a valve to selectively isolate the header body's suction chamber from its volute, which permits a pump motor to be disconnected from the header body while the valve is closed.... Agent: Bond, Schoeneck & King, PLLC

20070224035 - Angel wing seals for turbine blades and methods for selecting stator, rotor and wing seal profiles: Angel wing seals for turbines are described. In one aspect, an angel wing seal between a rotor blade and nozzle in a turbine inhibits ingestion of hot gas from a hot gas flow through the turbine into turbine wheel spaces. The seal includes, in an example embodiment, a seal body... Agent: John S. Beulick (17851)

20070224036 - Mechanical pump seal: An improved mechanical seal and repair method can be used with mechanical pump seal assemblies. The improved seal utilizes rotating and non-rotating sections of improved configuration, each of which can form a seal using a standard size carbon-face O-ring. The mechanical seal can be in the form of replacement parts... Agent: Garvey Smith Nehrbass & North, LLC

20070224037 - Geothermal turbine: A geothermal turbine comprises a turbine casing, a turbine rotor shaft, a plurality of nozzle diaphragm outer rings fixed to the turbine casing, a plurality of nozzle diaphragm inner rings located radially inside the nozzle diaphragm outer rings, a plurality of nozzles placed between the nozzle diaphragm outer rings and... Agent: Foley And Lardner LLP Suite 500

20070224038 - Blade row for a rotary machine and method of fabricating same: A blade row for a rotary machine includes a radially inner endwall, a radially outer endwall having a radially inner surface, and an airfoil including a root section coupled to the inner endwall and a tip section coupled to the outer endwall such that the airfoil extends radially between the... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070224039 - Serial fan assembly and air-guiding structure thereof: A serial fan assembly includes a first fan, a second fan and at least one air-guiding structure. The first and second fans are arranged in serial, and the air-guiding structure is disposed therebetween, for guiding an airflow to follow a direction parallel to an axial direction of the serial fan... Agent: Birch Stewart Kolasch & Birch

20070224040 - Centrifugal pump and method of manufacturing the same: The present invention relates to a centrifugal pump whose components such as an impeller and a casing are manufactured from a sheet metal and a method of manufacturing such a centrifugal pump. The centrifugal pump according to the present invention comprises a diffuser section (11) for decreasing a velocity of... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070224041 - Turbine casing: A casing is formed from an alloy which contains, by mass, 0.08-0.20% C, 0.05-0.45% Si, 0.10-0.30% Mn, 0.80-1.40% Ni, 1.00-1.40% Cr, 1.20-1.60% Mo, 0.10-0.30% V, 0.06-0.10% Ti, 0.0005-0.0010% B, not more than 0.01% P, not more than 0.01% S, and not more than 0.005% Al, the balance being Fe and... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070224042 - Two-part stator blade: The present invention broadly comprises a blade for a torque converter stator including a first blade segment connected to inner and outer circumferential sections of the stator and a second blade segment, separately formed from the first blade segment, and connected to the circumferential sections. In some aspects, the blade... Agent: Simpson & Simpson, PLLC

20070224043 - Turbine blade and diaphragm construction: An axial flow turbine blade and diaphragm construction comprises an annulus of static turbine blades 20 and inner and outer spacer rings 40, 42 having apertures 41, 43 shaped to accommodate inner and outer platform portions 22, 23 of the blades, whereby the platform portions and the spacer rings together... Agent: Buchanan, Ingersoll & Rooney PC

20070224044 - Cooling fan using coanda effect to reduce recirculation: A cooling fan for an engine in a vehicle. Ordinarily, a fan rotates within a shroud, which surrounds the fan. Leakage can occur between the tips of the fan blades and the shroud, wherein fan exhaust moves forward, and then passes through the fan again. The invention reduces leakage by... Agent: Matthew R. Jenkins, Esq.

20070224045 - Vehicle cooling fan: A cooling fan for a vehicle. Many engine compartments of motor vehicles are small in size, and contain numerous components. Electric cooling fans are used to draw air through a radiator. Given the cramped conditions within the engine compartment, the exhaust of the fan cannot be directed into open air,... Agent: Matthew R. Jenkins, Esq.

20070224046 - Crimped connection for a cover and impeller in a torque converter: The present invention broadly comprises a torque converter including a cover arranged to accept torque from a drive unit and an impeller. The cover and the impeller are joined by a crimped connection. In some aspects, the converter includes a sealing element disposed between the cover and the impeller and... Agent: Simpson & Simpson, PLLC

20070217901 - Hydroelectric power plant and method of generating power: A hydroelectric power plant includes a wedge having a fluid intake, and a fluid engine located in a fluid path between the fluid intake and a fluid exhaust. The wedge may include at least upper and lower surfaces, the upper and lower surfaces angled with respect to each other by... Agent: Andrew F. Knight

20070217902 - Centrifugal compressor with surge control, and associated method: A centrifugal compressor for compressing a fluid comprises a compressor wheel having a plurality of circumferentially spaced blades, and a compressor housing in which the compressor wheel is mounted. The compressor housing includes an inlet duct through which the fluid enters in an axial direction and is led by the... Agent: Honeywell Turbo Technologies

20070217903 - Enhanced bearing durability rotating member method and apparatus: Disclosed herein is a method of preparing a rotating member to enhance bearing durability comprising, applying a metal material to a surface of the rotor orthogonal to a longitudinal axis of the rotor, the material having a chromium content less than a chromium content of the rotating member, and surfacing... Agent: Cantor Colburn, LLP

20070217904 - Turbine engine cooling: It is known there is ingestion of hot gas flow 35 from an annular flow 36 in gas turbine engines. This flow 35 is prevented from attaching to the disc by coolant flow 32 passing through gaps in lock plates 28, 29 by creation of a barrier layer. In order... Agent: Manelli Denison & Selter

20070217905 - Turbomachine with integral generator/ starter: Turbomachine such as an aircraft turbojet comprising an electrical generator/starter (26) that can be mounted and dismounted by axial translation in an upstream enclosure (18) of the turbomachine between the low-pressure compressor and the high-pressure compressor, and couple to electrical cables (34) which extend inside the structural arms (12) of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070217906 - Fan inlet flow distributor: A fan inlet flow distributor comprises a skewed elliptical cone or equivalent body installed between an inlet opening of a centrifugal blower and an adjacent wall that faces the inlet. When all of the incoming airflow approaches the blower from the same general direction parallel to the wall and then... Agent: William O'driscoll - 12-1 Trane

20070217908 - Centrifugal multiblade fan: A centrifugal multiblade fan according to the present invention sucks air from one end side of an axial direction of a rotation axis to a radial inside, and blows the air to a radial outside. The centrifugal multiblade fan includes a plurality of blades located around the rotation axis. Each... Agent: Harness, Dickey & Pierce, P.L.C

20070217907 - Water pump with housing/impeller to enhance seal performance: Systems and methods for improving seal performance in a centrifugal water pump for an internal combustion engine increase static pressure at the seal by incorporating a combination of slots and ribs into a seal cavity of the pump housing that are positioned to convert dynamic fluid pressure into static pressure... Agent: Bir Law, PLC/fgtl

20070217909 - Centrifugal turbomachinery: A centrifugal turbomachinery in accordance with the present invention can lower a fluid loss in a return flow path. In the centrifugal turbomachinery, a plurality of centrifugal impellers is attached to a rotating shaft, and the centrifugal turbomachinery is provided with a diffuser having a plurality of blades introducing a... Agent: Crowell & Moring LLP Intellectual Property Group

20070217910 - Fan fastening structure: The present invention proposes a fan fastening structure for securing a fan having at least a connector and a cable having at least a connection port. The fan fastening structure includes a framework and at least a securing rack, wherein the framework is formed with a first side, a second... Agent: Edwards Angell Palmer & Dodge LLP

20070217911 - Casing cover in a jet engine: Casing cover (10) in a jet engine, comprising two coaxial shells (36, 38) arranged one inside the other and joined fixedly by radial envelopes (40) inside which extend radial arms (26) of the casing, the cover being fastened at its downstream end to an element of the casing and bearing... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070212210 - Method for determining pump flow without the use of traditional sensors: A technique for determining pump flow without using traditional sensors features steps and modules for creating a calibrated power curve at closed valve conditions at several speeds; calculating coefficients from a normalized power curve based on a pump's power ratio; and solving a polynomial power equation for flow at the... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070212209 - Method for reduction of axial power variations of a wind power plant: A method which continuously reduces the variations of the rotor axial force and thus reduces fatigue loads on rotor blades and tower, whilst the resultant output to the generator is not significantly affected or is maintained within acceptable limits in relation to limitations of the drive gear, generator and power... Agent: Christian D. Abel

20070212211 - Cross flow fan apparatus, electronic apparatus and impeller: A cross flow fan apparatus is provided. The cross flow fan apparatus includes an impeller having a plurality of blades extending in a predetermined direction, a motor, having a rotating shaft provided along the predetermined direction, which drives to rotate the impeller and a supporting body which supports the motor... Agent: Bell, Boyd & Lloyd, LLP

20070212212 - Method and device for monitoring the cooling air system of a turbine: Disclosed are a method and a device for monitoring the cooling air system of a turbine, cooling air being fed to at least one series of blades of the turbine. According to the method and the device, an air pressure is determined in at least one cooling air reservoir from... Agent: Siemens Corporation Intellectual Property Department

20070212213 - Process for using waste water from community sewer systems to generate electrical power: Turbines are attached to the out-flow discharge drain lines of public sewer systems to convert the kinetic energy of the flowing and often pressurized waste water to electrical energy, by using Hydro-Generators and conducting this new electrical power back to the power grid for the local community. It meets increasing... Agent: Greenberg & Lieberman, LLC

20070212214 - Segmented component seal: A seal for restricting leakage of a fluid from a first chamber, through a gap between two components, to a second chamber, is provided. A slot is formed in each of the two components. The slots face one another and are open to the gap. Each slot contains a longitudinal... Agent: Pratt & Whitney

20070212215 - Turbomachine: A turbomachine (1), in particular a turbine or compressor, includes a rotor (2) which has at least one moving blade row (4) with a plurality of moving blades (5), and a stator (3) which has at least one guide vane row (6) with a plurality of guide vanes (7), at... Agent: Cermak Kenealy & Vaidya LLP

20070212217 - Compressor casing: A compressor or fan casing is provided with a casing treatment to improve the surge margin of an unshrouded rotor stage. The casing treatment takes the form of an insert (20) let into the casing wall (10) to provide a plurality of re-circulation grooves (22) in the wall circumscribing the... Agent: Oliff & Berridge, PLC

20070212216 - Turboengine and method for adjusting the stator and rotor of a turboengine: A turbo-machine (1), including a stator (2), internally coated with a running-in layer (6), a rotor (4) within the stator (2), wherein the turbo-machine (1) supplementally includes a device for parallel displacement and rotation of the rotation axis of the rotor (10) about the axis of symmetry of the stator... Agent: Akerman Senterfitt

20070212218 - Centrifugal blower: A centrifugal blower having a fan including a blade. A scroll casing houses the fan and has a first axial wall portion, a second axial wall portion, and a side wall extending between the first and second axial wall portions. The scroll casing includes a suction port in the first... Agent: Harness, Dickey & Pierce, P.L.C

20070212219 - Centrifugal fan: A centrifugal fan includes a motor having an impeller and a housing for accommodating the motor. The housing has a sidewall surrounding an outer circumference of the impeller. An air inlet is formed in the housing and opposed to a center portion of the impeller. An air outlet is formed... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070207028 - Water current turbine: A turbine system (10, 110) includes a support (12, 112) carrying a platform (21, 121) on an upper portion thereof, wherein the support (12, 112) is adapted to be partially submerged within a body of flowing water such that the platform (21, 121) is raised from the water. One or... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070207029 - Fluid force taking-up and boosting apparatus: A fluid force taking-up and boosting apparatus is provided with a tubular member, an inner space of which is partitioned by a bulkhead into two channels elongating in a longitudinal direction. One channel allows a flow of fluid from one end portion toward the other end portion in the longitudinal... Agent: Baker & Hostetler LLP

20070207030 - Variable nozzle device: A variable nozzle device comprises a wall member, a unison ring provided on a first side of the wall member, and a vane, a vane body of which is provided on a second side of the wall member, said second side being opposite to said first side, wherein said vane... Agent: Honeywell Turbo Technologies

20070207031 - Steam turbine: A steam turbine (20), in particular for high pressure and/or intermediate pressure applications, has a rotor (11), which can rotate about an axis (23), an inner casing (14), which concentrically surrounds the rotor (11) at a distance, so as to form an annular passage (12) extending in the axial direction,... Agent: Cermak Kenealy & Vaidya LLP

20070207032 - Turbine: A turbine (100) of a turbine installation, especially a steam turbine of a steam turbine installation, includes at least one radial or diagonal turbine stage (120) with radial or diagonal inflow and axial outflow, and also at least one axial turbine stage (121-125) with axial inflow and axial outflow. The... Agent: Cermak Kenealy & Vaidya LLP