Fluid reaction surfaces (i.e., impellers) inventions 04/09

20090110554 - Wind turbine for generating electricity: A wind driven turbine (2) has a plurality of sigmoid blades (6) with the trailing edge (56) of each blade (6) mounted parallel to a horizontally oriented shaft (4). Each blade (6) extends radially outward from the shaft (4). An electric generation system is composed of an array of the... Agent: Hensley Kim & Holzer, LLC

20090110561 - Turbine engine components, turbine engine assemblies, and methods of manufacturing turbine engine components: Turbine engine components are provided for use with a plurality of blades, where each blade has an attachment portion defined by a wall and a surface. The components include a disk having a first side, a second side, and an outer radial section with a rim and an overhang. Disk... Agent: Honeywell International Inc.

20090110555 - Helicopter aircraft vehicle rotor damper: A helicopter rotor damper system including a torsional damper with a damper centering bearing providing a damper center of rotation axis, a first elastomeric torsional damper with a first elastomeric torsional damper torsional elastomer bonded between a first elastomeric torsional damper first torsional damper nonelastomeric bonding surface and a first... Agent: Lord Corporation Patent & Legal Services

20090110556 - Process of making a shrouded impeller: A method of fabricating a shrouded impeller is disclosed. The method includes providing an open faced impeller, the open faced impeller including a plurality of blades extending at least partially radially from a hub. The method also includes performing a first powder metallurgical process to form a first material over... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20090110557 - Interface for a stamped stator and a one-way clutch: A stator, including: a one-way clutch with at least one slot opening radially outward from an outer circumferential portion of an outer race; and a blade assembly including first and second separately formed, stamped blade segments rotationally connected to the one-way clutch via the at least one slot. The blade... Agent: Simpson & Simpson, PLLC

20090110558 - Fan: A fan includes a hub and a plurality of blades formed on the hub with a rake angle. In an axial direction of the hub, no part of a trailing edge of any of the blades is disposed past an air outlet end of the hub at more than a... Agent: Greenblum & Bernstein, P.L.C

20090110559 - Submersible mixing propeller: An aerating propeller for attaching to the end of a drive shaft includes blades having a chamber to receive a flow of fluids from a conduit in a drive shaft. A trailing face of the blade includes a first opening into the chamber to permit the flow of fluids in... Agent: Klarquist Sparkman, LLP

20090110560 - Run-in coating for gas turbines and method for producing same: A run-in coating is for gas turbines. The run-in coating is used for sealing a radial gap between a housing of the gas turbine and rotating rotor blades of same, the run-in coating being applied onto the housing. The run-in coating is made of an intermetallic titanium-aluminum material.... Agent: Kenyon & Kenyon LLP

20090104033 - Apparatus and method for distributing a fluid: A backpack frame for a power blower and yard treatment sprayer system is provided in one embodiment of the present invention. The frame includes a first portion and a second portion extending outwardly from the first portion. The second portion is adapted for carrying the power blower thereon and has... Agent: Neal, Gerber, & Eisenberg

20090104034 - Blower and electric device with such blower mounted thereon: A supply current control circuit controls the voltage of a low-voltage direct-current power source so that the average current of an inverter circuit detected by a current detecting circuit becomes constant at a specified current value. Accordingly, characteristics that are little in the amount of change of air volume are... Agent: Ratnerprestia

20090104035 - Advanced turbulator arrangements for microcircuits: A passageway is provided through which a cooling fluid flows in a first direction. The passageway has a plurality of trip strips positioned within the passageway. Adjacent one of the trip strips are oriented to converge towards each other at a first end to form an apex portion and to... Agent: Bachman & Lapointe, P.C. (p&w)

20090104042 - Turbine airfoil with near wall multi-serpentine cooling channels: A turbine airfoil usable in a turbine engine and having at least one cooling system. At least a portion of the cooling system may be positioned in an outer wall of the turbine airfoil and be formed from at least one suction side serpentine cooling chamber and at least one... Agent: Siemens Corporation Intellectual Property Department

20090104036 - Turbine engine wheel: Wheel (10) of a turbine engine such as an airplane turbojet, including a disk (12) having blades (14) and at least one ring of a metal matrix composite material (20, 22) mounted on the disk (12) in order to take up centrifugal forces during operation, the wheel further including at... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090104037 - Fan apparatus for a cooking device: A fan apparatus for a cooking device is provided having a fan impeller that is held on a drive shaft of a rotary drive by its hub and is pressed against a stop of the drive shaft in an axial direction by a screw nut. In order to ensure that... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20090104038 - Airfoil family for a blade of a wind turbine: A wind turbine rotor blade comprising a series of profiles is presented, which series of profiles comprises a number of profiles describing the outline of the blade transversally of its longitudinal axis, wherein some of the profiles of the series of profiles comprise approximately the same profile rear edge which... Agent: Day Pitney LLP

20090104039 - Curved blade for wind turbines: A curved blade for use on horizontal wind turbines, the blade comprising a substantially semicircular tip portion, a substantially semicircular counter-tip portion opposite the tip portion, and a body portion extending between the tip portion and the counter-tip portion, the body portion being further defined by a concave curved trailing... Agent: Shoemaker And Mattare, Ltd

20090104040 - Nickel based alloy for forging: A nickel (Ni) based alloy for forging includes: 0.001 to 0.1 wt. % of carbon (C); 12 to 23 wt. % of chromium (Cr); 3.5 to 5.0 wt. % of aluminum (Al); 5 to 12 combined wt. % of tungsten (W) and molybdenum (Mo) in which the Mo content is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090104041 - Titanium treatment to minimize fretting: A method for surface treating a titanium gas turbine engine component. The method includes providing a gas turbine engine component having a titanium-containing surface. The component is heated to a temperature sufficient to diffuse carbon into the titanium and below 1000° F. The surface is contacted with a carbon-containing gas... Agent: Mcnees Wallace & Nurick LLC

20090097973 - Rotor blade folding system: A rotor blade folding system includes a bearing housing which supports a bearing and rotor blade spindle which folds relative the rotor hub assembly about a fold axis. The rotor blade folding system essentially collapses the rotor hub to facilitate compatibility with a fairing system. By rotating the entire pitch... Agent: Carlson, Gaskey & Olds, P.C.

20090097974 - Aeolian system comprising power wing profiles and process for producing electric energy: An aeolian system is described for converting energy comprising at least one power wing profile (30) which can be driven from the ground immersed in at least one aeolian current (W) and a basic platform (1) for controlling the wing profile (30) and generating electric energy placed at ground level... Agent: Edwards Angell Palmer & Dodge LLP

20090097975 - Ceiling fan with concentric stationary tube and power-down features: A fan system comprises a hub, a plurality of fan blades, a drive system, and a stationary tube. The hub is configured to rotate. The fan blades are mounted to the hub. The drive system comprises a rotatable hollow output shaft. The hollow output shaft is in communication with the... Agent: Frost Brown Todd, LLC

20090097976 - Active damping of wind turbine blades: A wind turbine blade, includes a sensor, arranged upstream from a trailing edge of the blade for measuring an airflow characteristic near a surface of the blade; and an actuator, arranged downstream from the sensor, for adjusting the airflow in response to the measured characteristic.... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090097977 - Serpentine microcircuit cooling with pressure side features: In accordance with the present invention, there is provided a turbine engine component having an airfoil portion with a pressure side and a suction side, a first microcircuit embedded in a wall forming the pressure side, an internal cavity containing a supply of cooling fluid, the first microcircuit having an... Agent: Bachman & Lapointe, P.C. (p&w)

20090097978 - Fan blade assembly: A fan blade assembly includes a fan blade body, which has an axle housing downwardly suspending in a center accommodation open chamber thereof at the center and defining therein an axle hole and an inside annular flange in the axle hole, and a core shaft, which is inserted into the... Agent: Ting-wei Hsu

20090097979 - Rotor blade: A rotor blade may include a tip shroud having at least one seal tooth disposed at an angle that may be relative to the engine centerline when in an assembled condition, the leading edge of the tip shroud and/or the trailing edge of the tip shroud.... Agent: General Electric Company

20090097980 - Steam turbine rotor blade assembly: The present invention is a steam turbine rotor blade assembly including: an airfoil; a shroud provided at a tip of the airfoil; a blade root (dovetail) projecting toward a radially internal circumferential side of a turbine rotor and fitted to a root attachment provided on an outer circumferential portion of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090097981 - Low cost wind turbine: A vertical axis wind turbine includes an elongated rotor propelled by wind-drag, having a high aspect ratio, with a length, L, and diameter, D, wherein 5<L/D≦15. The rotor is mounted on a pole adapted to be installed in the wind in a vertical orientation. The rotor is constructed from thin... Agent: J. Michael Neary

20090097982 - Compressor turbine blade airfoil profile: A single stage high pressure turbine blade 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)

20090097983 - Method for restoring airfoil tip contour: A blade is repaired by utilizing a super abrasive machining quill and/or wheel to form the contour and restore the height of the blade. By utilizing super abrasive machining, the contour and height can be quickly returned to desired dimensions by removing unwanted added material.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090092490 - Aperture and flap vertical axis wind machine: A vertical axis wind machine having a mechanism of apertures and flaps to reduce return blade wind drag. The aperture and flap vertical axis wind machine has improved rotational speed and torque in relation to existing vertical axis wind machines. The aperture and flap vertical axis wind machine is also... Agent: Robert D. Gunderman, Jr. Patent Technologies, LLC

20090092491 - Apparatus and related method for sensing cracks in rotating engine blades: A method and apparatus for detecting structural anomalies in the body of rotating members of an engine involves establishing an electric circuit in the body of the rotating members by embedding a network of electrically conductive fibers. Upon rotation of the members in the presence of a magnetic field, an... Agent: Nixon & Vanderhye P.C.

20090092500 - Hollow turbomachine blade: A hollow turbomachine blade including an internal cooling passage, an open cavity situated at the free end of the blade and defined by an end wall and the side wall of at least one rim which extends between the leading edge and the trailing edge of the blade, and at... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090092492 - Balancing group for the rotor of a fluid rotary machine: A balancing group (22) is described for the rotor of a fluid rotary machine (10), wherein the rotor is of the type comprising at least one shaft (16) equipped with an internal pass-through hole (20) which develops along the longitudinal axis (A) of the shaft (16). The balancing group (22)... Agent: General Electric Company Ge Global Patent Operation

20090092493 - Variable pitch rotor blade with double flexible retention elements: A propulsive thrust device for an engine includes a rotor blade and a hub assembly on which the rotor blade is mounted. The rotor blade comprises an airfoil and at least two support members. A propeller thrust device includes a rotor blade, a central hub at which the rotor blade... Agent: Michaud-duffy Group LLP

20090092495 - Axial flow hydraulic turbine with fixed blades bolted-on: A hydraulic turbine has a runner blade bolted to a hollow runner hub. The runner blade has a flange that mates with a corresponding recess on the hub. Bolting connections pass through complementary array like patterns of apertures spread across and in the hub and blade flange to attach the... Agent: General Electric Company Ge Global Patent Operation

20090092494 - Disk rotor and method of manufacture: A disk rotor comprises a hub having a bore, and a plurality of spoke segments radially extending from the hub, each spoke segment including a base portion being attached to the hub and a rim portion, wherein the rim portion includes one or more airfoils integrally formed thereon, the plurality... Agent: Cantor Colburn, LLP

20090092496 - Axial flow hydraulic turbine with blade mounting: A hydraulic turbine has a runner blade fixedly mounted to a runner hub. The runner blade has a mounting flange having a generally rectangular shape held in contact with a complementary generally rectangular shaped outside surface portion of the runner hub. The complementary rectangular shapes increases surface contact area between... Agent: General Electric Company Ge Global Patent Operation

20090092497 - Securing element for fastening moving blades: A securing element for securing the position of moving blades in slots, running at least mainly in the axial direction, of a rotor parent body of a turbomachine rotor is described, comprising a plate-shaped parent body, wherein the parent body has an approximately central recess which is formed between two... Agent: Davidson, Davidson & Kappel, LLC

20090092498 - Component to be arranged in the flow channel of a turbomachine and spraying method for producing the coating: The invention relates to a component for arrangement in the duct of a turbine engine. The component is provided with a coating, which has a surface structure with scales which overlap each other in the direction of flow of the turbine engine. The invention also relates to a spraying method... Agent: Siemens Corporation Intellectual Property Department

20090092499 - Air inlet cover: In a first aspect, the present invention provides an air inlet cover (1) comprising a grille (2) having a plurality of radial elements (3) radiating from a center of said grille (2), each said radial element (3) comprising a vane (4) having a leading edge (5) for positioning further from... Agent: The Black & Decker Corporation

20090087311 - Vertically adjustable horizontal axis type wind turbine and method of construction thereof: The invention relates to methods of constructing and operating a wind turbine, said methods comprising the steps of lifting a wind turbine nacelle and tower sections with the use of an external lifting system, and using a lifting system to propel said nacelle vertically up and down said tower sections.... Agent: Gavin Raymond Wyborn

20090087312 - Turbine airfoil concave cooling passage using dual-swirl flow mechanism and method: A turbine airfoil includes a leading edge having a concave cooling flow passage. An apex of the concave cooling flow passage divides the flow passage into adjacent regions. The turbine airfoil includes a first plurality of turbulators disposed in one of the adjacent regions, and a second plurality of turbulators... Agent: Nixon & Vanderhye P.C.

20090087313 - Aircraft turbomachine fan comprising a balancing flange concealed by the inlet cone: The present invention relates to an aircraft turbomachine fan (1) comprising a turbomachine inlet cone (20) that has an exterior surface (19) intended to be closely followed by a flow section (22) of the turbomachine, an annular balancing flange (34) that rotates as one with a fan disk (4) about... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090087314 - Wind turbine blade and a pitch controlled wind turbine: The invention further relates to a pitch controlled wind turbine comprising at least two pitch controlled wind turbine blades and pitch controlling means for pitching the blades. The pitch controlled wind turbine is characterized in that the blades comprises one or more turbulence generating strips, wherein at least one joint... Agent: St. Onge Steward Johnston & Reens, LLC

20090087315 - Blade structure of torque converter and method for producing blade structure of torque converter: A blade structure of a torque converter, having a plurality of blades, is produced according to processes. The processes has (a) stamping a plane plate into a first shape, the first shape has (i) the plurality of circumferentially arranged blades, (ii) ring-shaped first connecting portions, each of which integrally couples... Agent: Foley And Lardner LLP Suite 500

20090087316 - Rotor blade, method for producing a rotor blade, and compressor with a rotor blade: A rotor blade for fastening on the rotor of a turbomachine, especially of a compressor of a gas turbine, has a blade airfoil and a blade root (15) which adjoins the lower end of the blade airfoil and extends along a blade axis and by which the rotor blade, in... Agent: Cermak Kenealy Vaidya & Nakajima LLP

20090087317 - Blade set for masserating effluent water in a sewage pump: A blade set for masserating effluent solids in a sewage pump is composed of a cutter ring and a wheel blade adapted to attach to an effluent water inlet at the lower base. Particularly, the cutter ring has an inner wall and multiple recesses defined on the inner wall to... Agent: Kamrath & Associates P.A.

20090087318 - Wind turbine spars with jointed shear webs: A spar for a wind turbine blade includes at least one shear web extending between pressure and suction sides of the blade; and a joint, arranged substantially midway between ends of the shear web, for sizing the shear web. The joint may include a resilient and/or expandable spacer.... Agent: Ge Energy General Electric C/o Ernest G. Cusick