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Fluid reaction surfaces (i.e., impellers) November recently filed with US Patent Office 11/09

20090290981 - Centrifugal force actuated variable span helicopter rotor: A variable diameter helicopter rotor and method of using are disclosed. The variable diameter helicopter rotor includes a rotor hub operable by helicopter controls at variable revolutions per minute, and a linearly extensible rotor blade connected to the rotor hub, a linear span of the rotor blade only adjustable in... Agent: Mh2 Technology Law Group, LLP

20090290982 - Variable trailing edge section geometry for wind turbine blade: A deformable trailing edge section (3) of a wind turbine blade (1), at least part of said section (3) being formed in a deformable material. The blade section (3) comprises one or more cavities (5) being in connection with or connectable to a fluid source in a way that allows... Agent: Foley And Lardner LLP Suite 500

20090290983 - Turbine blade assembly and steam turbine: A turbine blade 10a which is a stop blade is provided with a cutout portion 50 which is formed in one circumferential side surface 22a of a shank portion 22 at the center in the axial direction of a turbine rotor 100, a cutout portion 60 which is formed in... Agent: Foley And Lardner LLP Suite 500

20090290984 - Fan system: A fan system with enhanced air flow-static pressure characteristics and reduced fan noise compared to the related art is provided. The number of duct blades of a duct is the same as the number of stationary blades of an axial flow fan located in front of the duct, and the... Agent: Rankin, Hill & Clark LLP

20090290985 - Process for connecting metallic structural elements and components produced thereby: A process for connecting metallic structural elements, in particular structural elements of a gas turbine, and a component made by the process, is disclosed. The connecting of corresponding connecting surfaces of the structural elements is performed by inductive high-frequency pressure welding and the structural elements consist of different or similar... Agent: Crowell & Moring LLP Intellectual Property Group

20090290987 - Compressor airfoil: A compressor component having an airfoil with a profile in accordance with Table 1 is disclosed. The compressor component, such as a compressor blade, has an increased thickness over a portion of the airfoil span in order to increase stiffness. Furthermore, the airfoil has been restacked so as to induce... Agent: Shook, Hardy & Bacon LLP Intellectual Property Department

20090290986 - Impeller of multiblade blower and method of manufacuturing the same: An impeller of a blower is disposed with circular support plates that are made of a resin and rotate about an axis of rotation and a plurality of blades that are made of a resin. The blades are disposed on outer peripheral portions of the circular support plates so as... Agent: GlobalIPCounselors, LLP

20090290988 - Element which generates a magnetic field: An element which generates a magnetic field for fastening a compressor wheel to a turboshaft of an exhaust-gas turbocharger, has a basic body and a thread. In order to specify an element which generates a magnetic field for fastening a compressor wheel to a turboshaft, which element generates as high... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090285680 - Cooling circuit for use in turbine bucket cooling: A system and a method to supply a coolant to a turbine bucket of a turbine. The system includes an extraction system configured to extract air from a main compressor airflow, a supply circuit, at least a part of which is disposed at an exterior of the gas turbine, coupled... Agent: Cantor Colburn, LLP

20090285682 - Wind turbine with deployable air deflectors: An apparatus and system for compensating for various load situations in a turbine includes the use of one or more deployable devices configured to extend an air deflector outwardly from a surface of a rotor blade. The air deflector may subsequently be retracted into the rotor blade once the load... Agent: Banner & Witcoff, Ltd.

20090285681 - Wind-operated power generator: The invention relates to a method for converting the kinetic energy contained in horizontal currents of naturally occurring fluids that float above ground to useful mechanical energy. At least one circulating element (1) is guided in a closed cycle and is arranged substantially in a plane parallel to the ground.... Agent: Roberts & Roberts, LLP Attorneys At Law

20090285683 - Triangular serpentine cooling channels: A cooled airfoil includes a concave pressure wall extending radially from a base to a tip of the airfoil, a convex suction wall connected to the concave pressure wall at a leading edge and a trailing edge spaced axially from the leading edge, and cooling channels extending radially between the... Agent: Kinney & Lange, P.A.

20090285684 - Turbine blade internal cooling configuration: A cooled airfoil includes a concave pressure wall extending radially from a base to a tip of the airfoil, a convex suction wall connected to the concave pressure wall at a leading edge and a trailing edge spaced axially from the leading edge, and a plurality of cooling channels formed... Agent: Kinney & Lange, P.A.

20090285685 - Migler's vertical axis wind turbine with energy storage and retrieval means, and with yoke means, and with a rear sail projection arm, and with separated sail restraints, and with a motorized gust and high wind-speed protection system: This disclosure presents a means to store and retrieve energy that has been produced by Migler's vertical axis wind turbine, by pulling down a float in water and holding it, thereby storing energy and releasing the float when desired, thereby retrieving the stored energy,. Additionally, the disclosure presents an alternative... Agent: Bernard Migler

20090285686 - Fan blade retention and variable pitch system: A system for providing variable pitch to a rotor blade of an aircraft engine includes a rotatable hub; at least one blade mounted on the rotatable hub; a gear mechanism operably connected to the rotatable hub; a timing ring rotatably and operably connected to the gear mechanism; and a pitch... Agent: Michaud-duffy Group LLP

20090285687 - Blade, impeller, turbo fluid machine, method and apparatus for manufacturing blade: Plural saddle shape patches are formed on a blank material for forming a blade using a manufacturing apparatus provided with a punch support having punches each with a holder attached to be opposite with one another at a predetermined interval corresponding to a thickness of the blank material. The punch... Agent: Reed Smith LLP Suite 1400

20090285688 - Double wind turbine: This turbine is really two turbines in one. One turbine inside the other. The outer turbine is compose of vanes parallel to the axis of rotation This outer turbine will rotate because the left side is always opened to the wind, because of the 45 degrees that the vanes have... Agent: Israel Ortiz

20090285689 - Vertical axis wind turbine having angled leading edge: A vertical axis wind turbine comprising at least two overlapping rotor portions, each having a curved or semi-circular horizontal cross-section, each rotor portion having an outer leading edge that is angled relative to vertical from bottom to top in the direction of rotation of the wind turbine. The magnitude of... Agent: Brunet & Co. Ltd.

20090285690 - Axial blade slot pressure face with undercut: A blade and disk assembly includes a blade body and a disk body having a slot to receive the blade body. The blade body has a blade bearing surface. The slot has a disk bearing surface that contacts the blade bearing surface at a bearing interface. The slot has an... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090285691 - Blade for a wind turbine rotor: A blade (1) for a wind turbine rotor having a substantially horizontal rotor shaft, said rotor comprising a hub, comprises, seen in longitudinal direction along a longitudinal axis (10), a root area (2) closest to the hub, an airfoil area (4) furthest away from the hub and a transition area... Agent: The Nath Law Group

20090285692 - Ni-base alloy for turbine rotor of steam turbine and turbine rotor of steam turbine: An Ni-base alloy for a turbine rotor of a steam turbine contains in percent by weight C: 0.01 to 0.15, Cr: 15 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, Re: 0.5 to 3, and the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090285693 - Wind turbine, a method for servicing a main bearing unit of a wind turbine and use thereof: A wind turbine includes a nacelle and a rotor, the rotor being rotatably mounted on the nacelle by means of at least one main bearing unit. The wind turbine is characterized in that the main bearing unit includes at least one outer ring, at least one centre ring and at... Agent: St. Onge Steward Johnston & Reens, LLC

20090280010 - Handling system for a wind turbine nacelle, method for vertical displacement of a wind turbine nacelle and a wind turbine nacelle: A handling system for a wind turbine nacelle in connection with self-loading or self-unloading of the nacelle to or from a vehicle. The system uses two or more lifting apparatus, where the lifting apparatus are engaged with lifting areas of a load carrying structure of the nacelle. The lifting areas... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090280011 - Blade arrangement: With regard to gas turbine engines it will be appreciated that blades are typically cooled in order to ensure that the materials from which the blades are formed remain within acceptable operational parameters. Coolant is judiciously used in order to maintain engine operational efficiency. Unfortunately with regard to rotor blades... Agent: Oliff & Berridge, PLC

20090280012 - Wind turbine with wireless pitch control: A wind turbine includes wireless system for receiving a control signal at a hub of the wind turbine.... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090280013 - Frustoconical centrifugal wheel: An inline centrifugal wheel has a back plate and a hub extending from the back plate. A front plate has a diameter greater than the back plate and is inclined to extend downwardly from a central aperture to its outer perimeter. Blades extend between the back and front plate and... Agent: Christopher J. Mcdonald Hoffman, Wasson & Gitler, P.C.

20090274557 - Propeller with flexible variable blades: The proposed propeller consists of the rotor disc assembly 1, two or more flexible variable-length blades 2, a precise number of which depends on the desired lifting force; carrying capacity and the airflow involved in the process of the aircraft take off and retention in the air, device or devices,... Agent: Konstantin Goriachi

20090274558 - Hp 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)

20090274559 - Rotor blade of a wind energy unit: The invention relates to a rotor blade (60) of a wind energy plant with a top side (suction side) and a bottom side (pressure side) wherein profiles (21, 22, 23, 24, 25) with a front edge and a back edge (62) in cross-section are designed along a longitudinal axis between... Agent: Rankin, Hill & Clark LLP

20090274560 - Compressor impeller and method of manufacturing the same: A compressor impeller and a method of manufacturing the compressor impeller. The magnesium alloy compressor impeller as a die-cast part comprises a hub shaft part, a hub disk part having a hub surface extending from the hub shaft part in the radial direction, and a plurality of vane parts disposed... Agent: Sughrue Mion, PLLC

20090274561 - Wind collector device for generation of energy: A wind collector device for energy production comprising a fixed external structure formed by a vertical cylinder having two bases, the upper and the lower, of variable height and diameter, with vertical dividing walls distributed circumferentially and equidistantly, which form nozzles that concentrate and channel the wind; wherein inside the... Agent: Defillo & Associates, Inc.

20090274562 - Coated turbine-stage nozzle segments: A method for coating a nozzle segment, the method comprising separating an outer shroud and an inner platform of the nozzle segment along pathways that bisect a first stator vane and a second stator vane of the of the nozzle segment, coating the first stator vane and the second stator... Agent: Kinney & Lange, P.A.