Fluid reaction surfaces (i.e., impellers) inventions 10/08

20080260531 - Method for regulating a wind energy installation: The invention relates to a method for operating installations (10), in particular wind energy installations (10), having at least one component (22) which endangers in particular flying animals, it being possible for the component to assume a first state which endangers animals to a greater extent and a second state... Agent: Smith, Gambrell & Russell

20080260532 - Vertical axis turbine: A turbine with a vertical axis of rotation is described, with particular reference to a wind powered embodiment. It is advantageous to ensure that a turbine rotates at a substantially constant speed despite variations in the driving force and to ensure that the turbine is not damaged when the driving... Agent: Fay Sharpe LLP

20080260537 - Turbine blade with an impingement cooling insert: The invention relates to a turbine blade, particularly a guide blade for a gas turbine, respectively comprising a blade leg, a platform area and a hollow blade for receiving a metal plate-type impact cooling insert which consists of at least two sections which overlap in an overlap area. The aim... Agent: Siemens Corporation Intellectual Property Department

20080260538 - Spar and shell constructed turbine blade: A blade for a rotor of a gas turbine engine is constructed with a spar and shell configuration. The spar is constructed in an integral unit or multi-portions and includes a first wall adjacent to the pressure side and a second wall adjacent to the suction side, a tip portion... Agent: John Ryznic

20080260533 - Vane and/or blade for noise control: Exemplary turbine blade outer edges, exemplary vane inner edges, exemplary systems and exemplary methods are disclosed that help to reduce noise in variable geometry turbines and optionally other turbines wherein a turbine blade interacts with an object. Other exemplary turbine-related technologies are also disclosed.... Agent: Honeywell Turbo Technologies

20080260535 - Blade/disk dovetail backcut for blade/disk stress reduction (6fa+e, stage2): Blade load path on a gas turbine disk can be diverted to provide a significant disk fatigue life benefit. A plurality of gas turbine blades are attachable to a gas turbine disk, where each of the gas turbine blades includes a blade dovetail engageable in a correspondingly-shaped dovetail slot in... Agent: Nixon & Vanderhye P.C.

20080260534 - Blade/disk dovetail backcut for blade/disk stress reduction (7fa+e, stage 1): Blade load path on a gas turbine disk can be diverted to provide a significant disk fatigue life benefit. A plurality of gas turbine blades are attachable to a gas turbine disk, where each of the gas turbine blades includes a blade dovetail engageable in a correspondingly-shaped dovetail slot in... Agent: Nixon & Vanderhye P.C.

20080260536 - Blade arrangement: A blade assembly for a rotary component comprises an aerofoil member and a displacement apparatus on the aerofoil member for displacing a detached first portion of the aerofoil member in a rearward direction relative to a second portion of the aerofoil member. On failure of the aerofoil member, the displacement... Agent: Mccormick, Paulding & Huber LLP

20080260531 - Method for regulating a wind energy installation: The invention relates to a method for operating installations (10), in particular wind energy installations (10), having at least one component (22) which endangers in particular flying animals, it being possible for the component to assume a first state which endangers animals to a greater extent and a second state... Agent: Smith, Gambrell & Russell

20080260532 - Vertical axis turbine: A turbine with a vertical axis of rotation is described, with particular reference to a wind powered embodiment. It is advantageous to ensure that a turbine rotates at a substantially constant speed despite variations in the driving force and to ensure that the turbine is not damaged when the driving... Agent: Fay Sharpe LLP

20080260537 - Turbine blade with an impingement cooling insert: The invention relates to a turbine blade, particularly a guide blade for a gas turbine, respectively comprising a blade leg, a platform area and a hollow blade for receiving a metal plate-type impact cooling insert which consists of at least two sections which overlap in an overlap area. The aim... Agent: Siemens Corporation Intellectual Property Department

20080260538 - Spar and shell constructed turbine blade: A blade for a rotor of a gas turbine engine is constructed with a spar and shell configuration. The spar is constructed in an integral unit or multi-portions and includes a first wall adjacent to the pressure side and a second wall adjacent to the suction side, a tip portion... Agent: John Ryznic

20080260533 - Vane and/or blade for noise control: Exemplary turbine blade outer edges, exemplary vane inner edges, exemplary systems and exemplary methods are disclosed that help to reduce noise in variable geometry turbines and optionally other turbines wherein a turbine blade interacts with an object. Other exemplary turbine-related technologies are also disclosed.... Agent: Honeywell Turbo Technologies

20080260535 - Blade/disk dovetail backcut for blade/disk stress reduction (6fa+e, stage2): Blade load path on a gas turbine disk can be diverted to provide a significant disk fatigue life benefit. A plurality of gas turbine blades are attachable to a gas turbine disk, where each of the gas turbine blades includes a blade dovetail engageable in a correspondingly-shaped dovetail slot in... Agent: Nixon & Vanderhye P.C.

20080260534 - Blade/disk dovetail backcut for blade/disk stress reduction (7fa+e, stage 1): Blade load path on a gas turbine disk can be diverted to provide a significant disk fatigue life benefit. A plurality of gas turbine blades are attachable to a gas turbine disk, where each of the gas turbine blades includes a blade dovetail engageable in a correspondingly-shaped dovetail slot in... Agent: Nixon & Vanderhye P.C.

20080260536 - Blade arrangement: A blade assembly for a rotary component comprises an aerofoil member and a displacement apparatus on the aerofoil member for displacing a detached first portion of the aerofoil member in a rearward direction relative to a second portion of the aerofoil member. On failure of the aerofoil member, the displacement... Agent: Mccormick, Paulding & Huber LLP

20080253889 - Vertical axis wind turbines: A vertical axis wind turbine is described. The wind turbine can include a top ring, a middle ring and a lower ring, wherein a plurality of vertical airfoils are disposed between the rings. For example, three vertical airfoils can be attached between the upper ring and the middle ring. In... Agent: Knobbe Martens Olson & Bear LLP

20080253890 - Co-forged nickel-steel rotor component for steam and gas turbine engines: A method of forming a rotor for a turbine engine such that the rotor is formed of two materials including: an inner disk formed from a first material, such as steel, and an outer ring formed from a second material, such as a nickel alloy, having a larger thermal expansion... Agent: Siemens Corporation Intellectual Property Department

20080253891 - Swash plate anti-torque mechanism: An anti-torque mechanism which permits a full range of swashplate assembly motion. The anti-torque mechanism generally includes an anti-torque shaft and a compound bearing mounted thereto to provide five-degrees-of-freedom (spherical-linear-elastomeric) so as to permit a swashplate attachment point to move axially in response to pitch input; pivot in response to... Agent: Carlson, Gaskey, & Olds, P.C./sikorsky

20080253892 - Tension wheel hub in a rotor system for wind and water turbines: A rotor system for a fluid-flow turbine comprising a hub mounted on a shaft, a plurality of rotor blades, and a tension wheel, the tension wheel comprising a rim structure mounted to the hub by a plurality of spokes. Each rotor blade is attached to the rim structure of the... Agent: Fay Sharpe LLP

20080253893 - Damper: A damper includes a cylindrical housing, a rotor rotatably disposed in the housing and having a cylindrical shaft portion and a wing portion radially outwardly extending from the shaft portion, a control valve member disposed between the housing and the shaft portion to cover the wing portion, and a viscous... Agent: Kanesaka Berner And Partners LLP

20080253894 - Co-forged steel rotor component for steam and gas turbine engines: A method of forming a rotor for a turbine engine such that the rotor is formed of two materials including: an outer ring formed from a first steel material, and a disk formed from a second material, such as a low alloy steel, having a larger thermal expansion coefficient than... Agent: Siemens Corporation Intellectual Property Department

20080253895 - Blade retention system for use in a gas turbine engine: The blade retention system comprises an annular sealing plate and a plurality of spaced-apart blade retention tabs having opposite first and second ends and a radially-orientated corrugated profile. The first ends of the tabs are connected to a first side face of the annular sealing plate. Each tab is configured... Agent: Ogilvy Renault LLP (pwc)

20080253897 - Axial flow fan: In an axial flow fan provided with a plurality of impeller blades (13) provided in a hub (14), and a plurality of bent portions (13c) each formed by bending an outer peripheral edge of each of the impeller blades (13) toward a negative pressure surface (13e) of each of the... Agent: Birch Stewart Kolasch & Birch

20080253896 - High efficiency fan blades with airflow-directing baffle elements: Fan blades are provided that increase aerodynamic and operational efficiency, and which include baffle elements positioned on the distal ends of the fan blades. The baffle elements operate by shearing blade tip vortices, thereby minimizing turbulent fluid effects, and further providing fluid shunt that imparts a radial velocity component to... Agent: K&l Gates LLP

20080253898 - Damper configured turbine blade: A turbine rotor blade includes a hollow airfoil joined to a platform and dovetail. A main flow channel extends longitudinally in span through the blade and is bound chordally by opposite partitions transversely bridging opposite sidewalls of the airfoil. A damper rib and transversely opposite damper pad are arranged together... Agent: Francis L. Conte, Esq.

20080247871 - Self-orienting, linear drive apparatus for harvesting power from the wind: Apparatus for harvesting power from the wind, mounted on a vertical support or pole, has two linear “power harvesting devices” arranged in V-shaped configuration with the apex of the “V” mounted for rotation in a horizontal plane about the vertical support. The two power harvesting devices move under the influence... Agent: Milde & Hoffberg, LLP

20080247872 - Method of operation of a high-efficiency turbine with variable attack angle foils: Operations of a turbine to generate energy from a relatively slow fluid flow, such as wind and water, are described. The turbine has a plurality of foils rotating about a central axis at a rotational velocity, each of the foils having a length and a foil axis parallel to the... Agent: Aka Chan LLP

20080247873 - Method of reducing a structural unbalance in a wind turbine rotor and device for performing the method: Disclosed is a method of reducing a structural unbalance in a wind turbine rotor with pitch control and a control device for performing the method are provided. The method comprises the steps of: detecting a magnitude of the structural unbalance and its phase in relation the rotor's azimuth (θ) on... Agent: Siemens Corporation Intellectual Property Department

20080247874 - Dual flow fan heat sink application: A cooling system includes a fan assembly that is rotated to move air in a primary path through a housing. The fan assembly includes a hub and a plurality of spaced reinforcing ribs that establish channels between a motor casing and the interior of the hub. A heat sink assembly... Agent: Delphi Technologies, Inc.

20080247875 - Horizontal axis wind turbine: The purpose of the invention is to protect, in a horizontal axis wind turbine with an exhaust aperture for exhausting air from within the nacelle, the exhaust aperture and the internal structures from storm winds through facing the exhaust aperture away from the storm wind, even when storm winds are... Agent: Haynes And Boone, LLP

20080247876 - Soft in-plane tiltrotor hub: A rotor hub assembly for a rotary-wing aircraft has a central member and a plurality of blade grips adapted for attaching rotor blades to the central member. The blade grips are pivotally attached to the central member and are capable of pivoting about a pivot axis generally normal to a... Agent: Law Offices Of James E. Walton, PLLC

20080247877 - Turboprop having a propeller made up of variable-pitch blades: A turboprop having a set of variable-pitch rotary blades constrained to rotate with a rotary support. In order to vary its pitch, each blade of said set is coupled to a specific hydraulic actuator carried by the rotary support.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080247878 - Blade structure for torque converter and manufacturing method of blade structure for torque converter: A first connecting portion 16 that contacts an inner peripheral wall of an annular turbine shell 10 and connects blades 12, and a second connecting portion 14 that contacts the turbine shell 10 further toward an outside in a diametrical direction of the turbine shell 10 than the first connecting... Agent: Foley And Lardner LLP Suite 500

20080240919 - Airfoil for a gas turbine engine: An airfoil is provided for a turbine of a gas turbine engine. The airfoil comprises: an outer structure comprising a first wall including a leading edge, a trailing edge, a pressure side, and a suction side; an inner structure comprising a second wall spaced from the first wall and at... Agent: Siemens Corporation Intellectual Property Department

20080240927 - Turbine blade for a turbine with a cooling medium passage: A turbine blade for a turbine of a thermal power plant, with a platform for partial delimiting of a flow passage in the turbine, wherein the platform has at least one cooling medium passage, which extends inside the platform, for guiding a cooling medium, is characterized according to the invention... Agent: Siemens Corporation Intellectual Property Department

20080240921 - Fan and impeller thereof: An impeller used in a fan is provided. The impeller includes a hub and a plurality of blades disposed around the hub. The hub has at least one curve-shape surface. A fan comprises a fan frame, an impeller, and a motor. The impeller disposed in the fan frame comprises a... Agent: Birch Stewart Kolasch & Birch

20080240920 - Rotatable duct type shrouded rotating wing: In a rotatable duct type shrouded rotating wing, permanent magnets are arranged in the outer periphery of a rotatable duct, rotor blades are connected to the inner periphery of the rotatable duct, the rotor blades having a rotatable support portion at about every 2.5 m to prevent deflection or distortion.... Agent: Bacon & Thomas, PLLC

20080240922 - Connection of components of a wind turbine: The invention relates to a connection between components of a wind turbine. More specifically, the present invention relates to components for a wind turbine having a diameter of more than 0.5 m, preferably more than 1.0 m, and more preferably more than 1.5 m. The wind turbine includes two components... Agent: Rankin, Hill & Clark LLP

20080240923 - Rotor blade for a wind turbine having a variable dimension: A rotor blade 1 comprises a main blade section 10, and an extension flap 20. The extension flap 20 is translationally moveable relative to the main blade section 10. At least the main blade section 10 and the extension flap 20 form an airfoil lifting surface of the blade. A... Agent: General Electric Company Global Patent Operation

20080240924 - Turbine blade: An airfoil profile is formed such that a passage width ratio, represented in a dimensionless manner, of an inter-blade passage width of vain root cross-section to an outlet throat width substantially monotonously decreases from a blade inlet toward a blade outlet. The blade has a blade airfoil profile shape in... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080240925 - Separable blade for wind turbine: To provide a light and economical separable blade for a wind turbine that is also equipped with a lightning rod function. A separable blade for a wind turbine wherein the blade as a whole is assembled by connecting two electrically non-conductive part blades 1T and 1R in the lateral direction,... Agent: Haynes And Boone, LLP

20080240926 - Cobalt-free ni-base superalloy: There is provided a Co-free Ni-base superalloy having a composition containing 1.0 to 10.0 wt % of Cr, 0.1 to 3.5 wt % of Mo, 7.5 to 10.0 wt % of W, 4.0 to 8.0 wt % of Al, 12.0 wt % or less of at least one species of... Agent: Wenderoth, Lind & Ponack, L.L.P.