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

20090238695 - Full coverage trailing edge microcircuit with alternating converging exits: A turbine engine component has an airfoil portion with a pressure side wall, a suction side wall, and a trailing edge. The turbine engine component further has at least one first cooling circuit core embedded within the pressure side wall, with each first cooling circuit core having a first exit... Agent: Bachman & Lapointe, P.C. (p&w)

20090238694 - Radial split serpentine microcircuits: A turbine engine component, such as a turbine blade has an airfoil portion with an airfoil mean line, a pressure side, and a suction side. A first region on the pressure side of the airfoil portion has a first array of cooling microcircuits embedded in a wall forming the pressure... Agent: Bachman & Lapointe, P.C. (p&w)

20090238690 - Swing structure for a ceiling fan: A swing structure for a ceiling fan includes a reduction motor disposed with a driving wheel having its center fixed with a connecting rod. An intermediate aluminum ring is mounted on the outer circumference of the weight center of a fan motor, having a swing spindle provided with at least... Agent: Sinorica, LLC

20090238691 - Hydraulic seal for a turbocharger: A hydraulic seal is defined between a rotating member such as a turbocharger shaft and a stationary member such as part of a bearing housing of a turbocharger. The members define a projecting annular disc that is received in an annular channel that is filled with hydraulic sealing fluid such... Agent: Krieg Devault LLP

20090238692 - Blade of a turbo machine: h

20090238693 - Substrate with applied coating and production method: There is described a substrate with a coating; the coating contains a coating matrix in whose matrix structure multilayered and/or encapsulated nanoparticles are arranged and release a dye when a limit temperature is exceeded the first time and/or trigger a color reaction which causes the color of the coating to... Agent: Siemens Corporation Intellectual Property Department

20090232652 - Method and apparatus for rotating a component of a wind energy plant: The invention is related to a method for rotating a component of a wind energy plant by traversing an adjustment device, wherein the adjustment device comprises at least two adjustment drives, each one thereof having at least one electric motor, for traversing the adjustment device, and wherein during the traversing... Agent: Vidas, Arrett & Steinkraus, P.A.

20090232653 - Paddlewheel apparatus: A paddlewheel apparatus including a paddlewheel axle, first and second spaced apart annular wheel hubs locked in rotation with the axle, and a plurality of elongated tri-curved paddles cooperatively supported by the first and second wheel hubs and arranged around the circumference of the first and second annular wheel hubs... Agent: Adams Intellectual Property Law, P.A.

20090232660 - Blade for a gas turbine: A blade is provided for a gas turbine. The blade comprises a main body comprising a cooling fluid entrance channel; a cooling fluid collector in communication with the cooling fluid entrance channel; a plurality of side channels extending through an outer wall of the main body and communicating with the... Agent: Siemens Corporation Intellectual Property Department

20090232661 - Turbine blade with multiple impingement cooled passages: A turbine blade with an airfoil wall having a serpentine flow cooling circuit formed within the wall that includes within each channels that flow toward the blade tip of the serpentine a series of impingement holes and impingement chambers such that the cooling air flowing through the channels of the... Agent: John Ryznic

20090232654 - Andrews turbine: The Andrews Turbine is a vertical axis turbine (FIGS. 4/8 and 5/8). The blades are unique in that they are wider on the trailing edge than the leading edge and they contain vertical partitions within the blade (FIG. 1/8). This design offers more resistance on the trailing edge and keeps... Agent: Jack K. Andrews

20090232655 - Stamped stator assemblies and methods for assemblying stamped stator assemblies: A stator for a torque converter, including a pump side blade plate with a first outer circumferential portion and a turbine side blade plate with a second outer circumferential portion in contact with the first outer circumferential portion. One of the first or second outer circumferential portions includes an axially... Agent: Simpson & Simpson, PLLC

20090232656 - Blade for a wind turbine rotor: A blade (1) for a rotor of a wind turbine having a substantially horizontal′ rotor shaft, said rotor comprising a hub, from which the blade extends substantially radially from said rotor when mounted. The blade (1) has a chord plane (K) extending between the leading edge (5) and the trailing... Agent: The Nath Law Group

20090232657 - Blade: Reduction in weight is an important factor with respect to turbine engines used in aircraft. Blades (20) used in such turbine engines may fragment such that it is necessary that the containment casing (42) can resist such fragmentation. Root portions of blades are generally less deformable and therefore require conventionally... Agent: Oliff & Berridge, PLC

20090232658 - Blade having a damping element and method of fabricating same: A blade for a wind turbine includes a body adapted for movement in response to wind flow past the blade body. The body has an inner surface defining an interior chamber and an opposite outer surface. At least one damping element extends from the inner surface of the body. The... Agent: Patrick W. Rasche (22402) Armstrong Teasdale LLP

20090232659 - Concrete to fabricate the nacelle of a wind turbine: A structure of a wind turbine selected from the group consisting of: a nacelle of a wind turbine, a hub of a wind turbine, and fairings of a wind turbine is described. The structure includes a structure housing comprising a concrete material.... Agent: General Electric Company Ge Global Patent Operation

20090226327 - Gas turbine engine including temperature control device and method using memory metal: The gas turbine engine includes a compressor section, a combustion section downstream from the compressor section and a turbine section downstream from the combustion section. The turbine section includes a rotor shaft, a plurality of turbine blades, and a plurality of discs coupling corresponding ones of the plurality of turbine... Agent: Siemens Corporation Intellectual Property Department

20090226314 - Cycloidal rotor with non-circular blade orbit: A cycloidal rotor system having airfoil blades travelling along a generally non-circular, elongated and, in most embodiments, dynamically variable orbit. Such non-circular orbit provides a greater period in each revolution and an optimized relative wind along the trajectory for each blade to efficiently maximise lift when orbits are elongated horizontally,... Agent: Philip Bogrash

20090226315 - Steam turbine rotor and method of assembling the same: A steam turbine rotor is provided. The rotor includes at least one bearing section coupled axially to a steampath section comprising at least one end, said at least one end further comprising a flange and a bore, said flange and said bore configured to be coupled to the at least... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20090226316 - 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

20090226318 - Annulus filler: An annulus filler is provided for mounting to a rotor disc of a gas turbine engine and for bridging the gap between two adjacent blades attached to the rotor disc. The annulus filler defines an airflow surface for air being drawn through the engine. The annulus filler has one or... Agent: Mccormick, Paulding & Huber LLP

20090226317 - Impeller for a centrifugal pump: A centrifugal pump (10) includes a pump casing (12) within which an impeller (14) is mounted for rotation, cantilever fashion, on a shaft (16). The casing (12) has an axial inlet (20), and a peripheral volute (22) around the impeller (14) leading to an outlet (24). The impeller (14) has... Agent: The Culbertson Group, P.C.

20090226319 - Blade wheel: The invention relates to a blade wheel consisting of sheet metal for use in motor vehicle refrigerant pumps. The aim of the invention is to develop a novel blade wheel consisting of sheet metal for use in motor vehicle refrigerant pumps which, aside from a plurality of blades, also has... Agent: Collard & Roe, P.C.

20090226320 - System for connecting wind generator blade sections: The invention relates to a system for connecting wind generator blade sections, preferably for the application in the connection of blade sections (1, 2), the formation of which comprises skins (3) determining the outer aerodynamic profile, arranged on inner stringers (4) like longitudinal partitions, the connection between the sections (1,... Agent: Lucas & Mercanti, LLP

20090226321 - Locking of the blades in a fan rotor: A fan rotor is provided. Each blade of the fan rotor is held by a bolt. Each blade includes a blade root engaged in a groove of the rim and held by a bolt. The bolt includes a concave plate with its curve directed upstream.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090226322 - Airfoil design for rotor and stator blades of a turbomachine: For the rotor and stator blades of turbomachines, more particularly of gas-turbine engines, an airfoil design is provided with a defined area of a skeleton line angle distribution for skeleton lines of airfoil sections near the gap. With the distribution of the dimensionless skeleton line angles (α) over the chord... Agent: Shuttleworth & Ingersoll, P.L.C

20090226323 - Quiet propeller: Provided is a quiet propeller including a propeller blade having such a pitch angle not at its root portion but at its blade end edge portion with respect to a relative flow in the rotational direction, as to raise the internal pressure of a liquid thereby to eliminate a cavity,... Agent: Ostrolenk Faber Gerb & Soffen

20090226324 - Wind turbine blade: A wind turbine blade (11) having an aerodynamic profile with a leading edge (13), a trailing edge (15) and suction and pressure sides (17, 19) between the leading edge (13) and the trailing edge (15), wherein the pressure side (19) includes a modified zone (31) shaped for reducing the negative... Agent: Ladas & Parry LLP

20090226325 - Composite blade root structure: A spar of a rotor blade having moderate depth transitions to a relatively much deeper shank over a relatively short distance. This rapid transition enables a low-weight blade root that is structurally efficient, offers a high moment capability, and enables high Mach number axial flow. A transition could advantageously reduce... Agent: Fish & Associates, PC Robert D. Fish

20090226326 - Thermal barrier coating with thermoluminescent indicator material embedded therein: A coating material (20) for coating a machine component (10), especially a gas turbine or a part thereof, comprises a mixture of at least a refractory material and an indicator material having an optical emission (e.g. fluorescence) spectrum which varies in response to a physical parameter of the coated component.... Agent: Don W. Bulson, Esq. Renner, Otto, Boisselle & Sklar, LLP

20090220339 - Wind deflector for wind turbine and wind turbine incorporating same: A wind deflector for a wind turbine has a vertical wind deflecting surface movable in a circular path about the wind turbine for facing a prevailing wind direction.... Agent: Leydig Voit & Mayer, Ltd

20090220340 - Variable tip speed ratio tracking control for wind turbines: The present invention relates to a method of controlling the aerodynamic load of a wind turbine blade by controlling the tip speed ratio (TSR) and/or blade pitch setting of the wind turbine blade so as to optimize power production. A wind turbine blade undergoes an aero-elastic response including deflection and... Agent: Mcnees Wallace & Nurick, LLC

20090220349 - Method for producing a gas turbine component which is to be coated, with exposed holes, device for carrying out the method, and coatable turbine blade with film cooling holes: There is described a method with which, on the basis of a three-dimensional recording of a component to be reworked, its surface configuration can be determined and stored temporarily so that, after it has been coated, it can be produced in its original surface form, or in its surface form... Agent: Siemens Corporation Intellectual Property Department

20090220341 - Upper rotor control system for a counter-rotating rotor system: An upper rotor control system is contained within an upper rotor shaft and upper hub assembly of a contra-rotating rigid rotor system. A collective servo assembly includes a hydraulic actuator that provides collective pitch to all blades through axial extension/retraction of the control rod relative the upper rotor shaft for... Agent: Carlson, Gaskey & Olds, P.C.

20090220342 - Shaftless vertical axis wind turbine: A shaftless vertical axis wind turbine has a stationary hollow core having inner and outer circular walls with a void between the inner and outer walls. A rotor is rotatably supported about the core and has a plurality of radially extending rotor arms each having a wind engaging rotor blade... Agent: Leydig Voit & Mayer, Ltd

20090220343 - Hub pitch gear repair method: A method for repairing a hub pitch gear assembly. The method includes providing a ring assembly for adjusting a pitch angle of a wind turbine blade having a plurality of gear teeth. A segment of the ring assembly is removed, the segment including at least a portion of at least... Agent: Mcnees Wallace & Nurick, LLC

20090220344 - Propeller blade retention device: A propeller blade retention system and method of manufacture are disclosed. Because of the design, a truly integral hub is able to house a set of variable pitch blades. Each hub socket establishes a substantially cylindrical interface with its respective blade, making the blade slidably receivable for installation. Each blade... Agent: Lathrop & Gage LLP

20090220345 - Closing assembly for a blade ring of turbomachinery: The invention relates to a closing assembly for closing the gap remaining between the first and last blade of a blade ring that is inserted into a peripheral groove of turbomachinery. Said assembly comprises at least two parts each of which can be hooked onto projections that form an undercut... Agent: Siemens Corporation Intellectual Property Department

20090220346 - Radial compressor rotor: A radial compressor rotor is provided for stabilizing the flow behavior of a delivery gas, consisting of a wheel disc and blades arranged uniformly in the circumferential direction, wherein the generatrix of the surface of the blades is designed as a curved line at least in a curved section, such... Agent: Siemens Corporation Intellectual Property Department

20090220347 - Single-piece propeller and method of making: A method for making a propeller product is disclosed. The propeller is formed using polyurethane cores adhered to a laminate hub to form a core assembly. An encapsulating structural laminate skin is then formed on the core assembly using a resin-transfer-molding process to create a single-piece composite propeller.... Agent: Lathrop & Gage LLP

20090220348 - Twin-airfoil blade with spacer strips: The invention relates to a blade possessing a leading edge and a trailing edge, the blade comprising a first airfoil possessing an inner face and an outer face extending between said leading edge and said trailing edge, a second airfoil possessing an inner face and an outer face extending between... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.