Fluid reaction surfaces (i.e., impellers) inventions 03/09

20090081041 - Method for controlling a wind energy plant: The present invention is related to a method for controlling a wind energy plant, with a nacelle disposed on a tower and with a rotor with at least one rotor blade, the blade adjustment angle of which can be adjusted by means of a blade adjustment equipment. The objective to... Agent: Vidas, Arrett & Steinkraus, P.A.

20090081042 - Method of controlling a windmill, especially in stand-alone operation and a windmill: A windmill comprising a rotor having a substantially horizontal axis of rotation (1a) and at least two blades (4) extending along a respective blade axis, about which the blade can be rotated to an adjustment angle for the blade, and a blade adjusting device (11, 13) for adjusting a common... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090081048 - Turbine blade for a turbine: The invention relates to a blade for a turbine comprising a blade wall, a first channel for guiding a first medium and a second channel for guiding a second medium that can be supplied to the turbine blade separately from the first medium. In order to combine both media, which... Agent: Siemens Corporation Intellectual Property Department

20090081043 - Folding rotor for an autogyro device: In one embodiment, a folding rotor blade for an autogyro device comprises a plurality of connected rotor members. When the folding rotor blade is in a compressed state the folding rotor blade has a compressed length, and some of the connected rotor members are disposed in a non-parallel arrangement. When... Agent: Evan Law Group LLC And The Boeing Company

20090081044 - Polygon rotor attachment device: A rotor and shaft assembly for turbomachinery has a polygon shaped drive collar interposed between corresponding polygonal mating surfaces of a drive shaft and a rotor hub. The mating surfaces of the polygon collar, the drive shaft and the rotor hub may be sized both axially and radially for required... Agent: Vern Maine & Associates

20090081045 - Aerodynamic interface component for fan blade: A fan comprises a hub, a plurality of fan blades, and a plurality of interface components. Each interface component is configured to mount at the first end of a corresponding fan blade. Each interface component is further configured to simultaneously engage an outer surface of the hub and the first... Agent: Frost Brown Todd, LLC

20090081046 - Shim for a turbomachine blade: Shim for a turbomachine blade, for covering the root of said blade, the shim comprising: two branches for covering the bearing surfaces of the blade root; a base interconnecting these branches; and at least one holder element located at one end of the shim and suitable for coming into contact... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090081047 - Multi-element blade with aerodynamic profiles: The objective of this invention is to obtain rotor blades for large-sized horizontal axis wind turbines that allow easy transport, handling and storage at the same time guaranteeing greater efficiency in the use of wind energy. The present invention results in a blade (4) made up of two or more... Agent: Sughrue Mion, PLLC

20090074572 - Cooled gas turbine guide blade for a gas turbine, use of a gas turbine guide blade and method for operating a gas turbine: Described is a cooled gas turbine guide blade for a gas turbine, with a hollow blade profile which comprises an onflow edge onto which a working medium is capable of flowing, and with, for guiding a cooling medium, an onflow edge duct running inside the blade profile along the onflow... Agent: Siemens Corporation Intellectual Property Department

20090074573 - Wind turbine blade with cambering flaps controlled by surface pressure changes: A wind turbine having at least a blade comprising a first component (11) having an aerodynamic profile with a leading edge, a trailing edge and suction and pressure sides between the leading edge and the trailing edge, and a second component (13), attached to the trailing edge and/or to the... Agent: Ladas & Parry LLP

20090074574 - Wind turbine blade with variable aerodynamic profile: A wind turbine blade comprising an active elastic member arranged with access to the surface of the wind turbine blade is provided. The active elastic member is deformable from a first shape to a second shape and the lift coefficient of the airfoil with the active elastic member in the... Agent: Abelman, Frayne & Schwab

20090074575 - Cooling circuit flow path for a turbine section airfoil: A cooled airfoil includes an impingement rib having a multiple of openings which supply a cooling airflow from a cooling circuit flow path toward an airfoil leading edge. The multiple of openings are offset in the impingement rib opposite an outer airfoil wall which includes gill holes. Offsetting the multiple... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090074576 - Turbine blade with cooling breakout passages: A turbine airfoil with a plurality of breakout passages located just beneath a thermal barrier coating or just beneath the metal surface of the airfoil. The breakout passages are connected to an internal cooling air passage and allow for film cooling air to flow when a surface over the breakout... Agent: Joseph Brostmeyer Florida Turbine Technologies, Inc.

20090074588 - Airfoil with cooling hole having a flared section: An airfoil is provided for a gas turbine engine. The airfoil may comprise a main body comprising a leading edge having a leading edge outer surface, a trailing edge having a trailing edge outer surface, a suction side having a suction side outer surface and a pressure side having a... Agent: Siemens Corporation Intellectual Property Department

20090074589 - Cooling circuit for enhancing turbine performance: In a gas turbine having a compressor discharge casing, a cooling circuit diverts compressor discharge air toward a high pressure packing (HPP) circuit. The cooling circuit includes an inlet pipe that receives compressor discharge air. One or several cooled cooling air pipes are in fluid communication with the inlet pipe... Agent: Nixon & Vanderhye P.C.

20090074577 - Vertical axis sail-type windmill power transfer device: This invention relates to a vertical axis sail-type windmill power transfer device for efficiently harvesting wind power by increasing the effective surface of interaction with the wind where the sails are formed by a plurality of pairs of blades permanently attached to freely rotating horizontal rods penetrating the vertical output... Agent: Sevdalin Semov

20090074578 - Turbine and compressor employing tubercle leading edge rotor design: A turbine/compressor comprises at least one magneto electric device and a drive train coupled to the magneto electric device. At least one rotor blade is coupled to the drive train. The rotor blade has a shaped leading edge with a series of spaced tubercles formed therealong.... Agent: Baker & Daniels LLP 111 E. Wayne Street

20090074579 - Turbine ring: A turbine ring made up of an assembly of a plurality of sectors forming the outer shroud of the rotor of said turbine. The sectors are united end to end with interposed sealing systems comprising tongues housed in slots, said tongues being rectilinear and engaged in respective rectilinear slots in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090074580 - Radial turbine wheel structure: A radial turbine wheel structure comprises a wheel disc, a plurality of full blades and a plurality of splitting blades. The splitting blades are disposed equidistantly around the wheel disc and are alternately disposed with the full blades. Wherein each of inlet shrouds, outlet shrouds, inlet hubs and outlet hubs... Agent: Rabin & Berdo, PC

20090074581 - Vertical-axis wind turbine: A vertical-axis wind power plant employed especially for supplying electricity, pumping water or for storing potential energy. More precisely, the wind power plant of the invention comprises at least two blades attached by their respective lower ends to a rotating supporting step of a tower. Each of the blades is... Agent: Ladas & Parry LLP

20090074582 - Method for joining metal components and device for execution of an inductive low or high-frequency pressure welding method: The present technology concerns one or more methods for joining of metal components especially components of a gas turbine, in which joining of the corresponding joining surfaces of the components occurs by means of an inductive low or high-frequency pressure welding and in which, before heating and joining of the... Agent: Mcandrews Held & Malloy, Ltd

20090074584 - Nickel-based alloy for turbine rotor of steam turbine and turbine rotor of steam turbine: A Nickel-based alloy for a turbine rotor of a steam turbine contains C: 0.01 to 0.15, Cr: 18 to 28, Co: 10 to 15, Mo: 8 to 12, Al: 1.5 to 2, Ti: 0.1 to 0.6, B: 0.001 to 0.006, Ta: 0.1 to 0.7 in % by weight, and the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090074583 - Rotor blade for a wind turbine: A rotor blade of a wind power installation in which the rotor blade, in particular in the central region of the rotor, the so-called main board, has a lift-drag ratio which in the region of about ±2° from the optimum pitch angle has a lift-drag ratio value of more than... Agent: Seed Intellectual Property Law Group PLLC

20090074585 - Wind turbine blades with trailing edge serrations: A wind generator and turbine blade includes a trailing edge having several serrations, a length of the serrations in each of a plurality of sections of the trailing edge is between approximately 10% and 40% of a mean chord for the corresponding section; and a length to width ratio of... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090074586 - Damping device for composite blade: The present invention relates to a blade made of composite, comprising a vane formed of woven filaments impregnated with a thermosetting resin with a protective element in the region of the leading edge of the vane comprising a part in the form of a rigid strip, said strip being secured... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090074587 - Telescopic ceiling fan: An apparatus for raising and lowering a ceiling fan includes an outer housing member; and an inner housing member to move with respect to the outer housing member and to move the ceiling fan. The apparatus includes a limit switch to limit the movement of the inner housing member, and... Agent: Amalendu Goswami

20090068012 - Teeter-restraint device for wind turbines: A wind turbine system includes a shaft, a rotor for driving the shaft, and a first fluidic teeter control assembly. The rotor includes a first blade engaged to the shaft by a hub, and has a degree of freedom to pivot relative to the shaft. A first teeter angle is... Agent: Kinney & Lange, P.A.

20090068013 - Wind turbine, yaw system controller and yaw system for a wind turbine and method of reducing the acting on such a yaw system: A method for reducing the loads acting on a wind turbine yaw system due to yawing moments which are induced to the yaw system by a rotor which comprises at least one rotor blade with a pitch control system is provided. In the method, the yawing moment which is induced... Agent: Siemens Corporation Intellectual Property Department

20090068014 - Sensor setup for determination of deflection and/or strain: An elongated member of a wind turbine is disclosed which is potentially subject to strain and which comprises a sensor unit for determining the deflection and/or strain of the elongated member between a first point and a second point, which are assigned to the same side of the elongated member,... Agent: Siemens Corporation Intellectual Property Department

20090068023 - Multi-pass cooling for turbine airfoils: An airfoil for a turbine vane of a gas turbine engine. The airfoil includes an outer wall having pressure and suction sides, and a radially extending cooling cavity located between the pressure and suction sides. A plurality of partitions extend radially through the cooling cavity to define a plurality of... Agent: Siemens Corporation Intellectual Property Department

20090068021 - Thermally balanced near wall cooling for a turbine blade: A turbine blade including an airfoil having an airfoil outer wall extending radially outwardly from a blade root to a blade tip. The airfoil outer wall includes a pressure sidewall and a suction sidewall, and the pressure and suction sidewalls are joined together at chordally spaced leading and trailing edges... Agent: Siemens Corporation Intellectual Property Department

20090068022 - Wavy flow cooling concept for turbine airfoils: An airfoil including an outer wall and a cooling cavity formed therein. The cooling cavity includes a leading edge flow channel located adjacent a leading edge of the airfoil and a trailing edge flow channel located adjacent a trailing edge of the airfoil. Each of the leading edge and trailing... Agent: Siemens Corporation Intellectual Property Department

20090068015 - Organic matrix composite integrally bladed rotor: An integrally bladed rotor is constructed from a plurality of layers of organic matrix composite material wound together in a spiral fashion to form the disc portion of the rotor, and at each rotor blade position at least the outermost one of the layers is turned substantially radially outwards from... Agent: Oliff & Berridge, PLC

20090068016 - Shrouded single crystal dual alloy turbine disk: A turbine engine component for a gas turbine engine includes an inner disk, an outer shroud, and a plurality of blades. Each blade comprises a blade root and an airfoil body. The blade root is plated at least in part with a noble metal, and is coupled to the inner... Agent: Honeywell International Inc.

20090068017 - Wind turbine blade: Apparatus and methods related to wind turbine blades and manufacturing of the blades.... Agent: Patterson & Sheridan, L.L.P.

20090068018 - Windturbine with slender blade: Wind turbine with a rotor blade relatively insensitive to turbulence because it is more slender than prior blades and is nevertheless able to generate sufficient lift by virtue of the fact that flow enhancing elements such as vortex generators combat flow separation. The slenderness is defined by the chord numbers... Agent: Young & Thompson

20090068019 - Rotor blade for a wind power plant: The present invention concerns a rotor blade for a wind power plant having an aerodynamic profile comprising a rotor blade leading edge and a rotor blade trailing edge. The invention also concerns a rotor blade tip for a rotor blade having an aerodynamic profile with a pressure and a suction... Agent: Seed Intellectual Property Law Group PLLC

20090068020 - Hollow blade anti-crack clamp support blocks: An aerodynamic hollow blade clamp support is disclosed. This aerodynamic hollow blade clamp support allows the thin blade wall to resist deformation and cracking from blade clamp pressure stress. These hollow blade clamp supports fill the blade hollows for at least the blade length under the blade clamps. These hollow... Agent: Robert J. Barnes

20090060739 - Fan blade pitch change assembly: An assembly for changing the pitch of fan blades rotatably attached to a hub includes a main drive shaft configured to rotate the hub. The main drive shaft is rotated by a first motor. A secondary drive shaft is coupled to the main drive shaft via a gearing system located... Agent: Plumsea Law Group, LLC

20090060740 - Method of operating a wind turbine and wind turbine: The invention concerns a method of operating a wind turbine, wherein for a reduction of a wind load impacting on the wind turbine the rotational speed of the rotor and/or the electrical power output of the wind turbine are reduced depending on a deviation of the wind speed from the... Agent: Siemens Corporation Intellectual Property Department

20090060748 - Ventilation arrangement: A ventilation arrangement for a wind turbine includes an air inlet opening located in a nose cone of said wind turbine, a manhole cover for covering a manhole of a rotor hub of said wind turbine, the manhole cover providing a vent opening for venting hot air from an internal... Agent: General Electric Company Ge Global Patent Operation

20090060741 - Turbine engine blade cooling: A blade is provided for a turbine engine that includes an exterior surface. The exterior surface includes a portion having a thermal barrier coating and an uncoated shelf adjacent to the thermal barrier coating without the thermal barrier coating. A cooling hole extends from an internal passageway through the exterior... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090060742 - Rotor head for a twin-rotor helicopter: A rotor head includes a hub and two joint members. The hub has opposite tubular end portions, each formed with a socket that extends inwardly from an end face thereof along a tube axis and that has inner and outer socket sections. Each of the joint members includes a link... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20090060743 - Expandable impeller pump: An impeller includes a hub, and a plurality of blades supported by the hub, the blades being arranged in at least two blade rows. The impeller has a deployed configuration in which the blades extend away from the hub, and a stored configuration in which at least one of the... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090060744 - Vertical axis self-breaking wind turbine: A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an imaginary circle of a first diameter. Each radially extending blade including a plurality of spaced airfoil sub-blades... Agent: Maxey Law Offices, PLLC

20090060745 - Shim for a turbomachine blade: A shim (20) for a turbomachine blade (14), the shim comprising two branches (20A) for coming against bearing surfaces (16A) of the blade rotor (16), and a base part (20B) interconnecting the branches. The shim presents, at least in its branches (20A), a multilayer structure having at least three layers... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090060746 - Blade retaining clip: A blade retaining clip and a blade assembly for axially securing a root portion of a blade component within an axially extending slot of a rotating disk. The blade retaining clip includes a shank portion, a first end portion and a second end portion. The shank portion includes an axial... Agent: Honeywell International Inc.

20090060747 - Oriented fiber ceramic matrix composite abradable thermal barrier coating: A method of manufacturing a gas turbine engine component includes the steps of forming a ceramic workpiece having oriented ceramic reinforcement, and severing the ceramic workpiece to produce a ceramic member having a desired orientation of the ceramic reinforcement. The ceramic member is then attached to a turbine engine component... Agent: Carlson, Gaskey & Olds/pratt & Whitney