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Fluid reaction surfaces (i.e., impellers) May archived by USPTO category 05/09

20090136358 - Blade cooling: In order to couple coolant air flow presented through a coolant gallery 4, 24 through an opening 7, 27 into a passage 8, 28 a flow deflector 6, 26 is provided. The flow deflector 6, 26 progressively deflects the coolant air flow 5, 25 through the opening 7, 27 such... Agent: Manelli Denison & Selter

20090136346 - Vertical axis wind turbine: A vertical axis wind turbine having a plurality of upright airfoils pivotally engaged. A continuous adjustment of the angle of attack of the airfoils to oncoming wind is provided by rotation of a control plate connected to the vanes which are mounted upon a rotating drive plate. A vane can... Agent: Donn K. Harms Patent & Trademark Law Center

20090136347 - Turbine bucket shroud internal core profile: A turbine bucket including a bucket airfoil having a hollow tip shroud, the hollow tip shroud having a hollow core having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table I, in inches, wherein the shape of the core is... Agent: Nixon & Vanderhye P.C.

20090136348 - Vibration damping of a static part using a retaining ring: A retaining ring is mounted in frictional engagement with a static gas turbine engine part, such as a compressor shroud, in order to provide frictional damping.... Agent: Ogilvy Renault LLP (pwc)

20090136350 - Damping and sealing system for turbine blades: With a gas-turbine engine, a sealing and damping element (9), which is loosely held between two adjacent platforms (6a, 6b) of turbine blades attached to a rotor disk, generally has a cross-section in the form of a straight three sided prism corresponding to an equilateral triangle, however with convex rubbing... Agent: Harbin King & Klima

20090136349 - Device for blocking a ring for axially retaining a blade, associated rotor disk and retaining ring, and rotor and aircraft engine comprising them: A device for rotationally blocking a retaining ring on a rotor disk three successive blocking hooks of the disk (10), two cleats of the retaining ring, arranged on either side of a split in the retaining ring. The position of the cleats on the retaining ring is such that, when... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090136351 - Tail rotor hub: A tail rotor hub system and methods are disclosed. In one embodiment, the system includes a helicopter fuselage connected to a tail rotor assembly that holds tail blades. The assembly includes an elongated tail rotor housing and an elongated blade root fitting that rotates within the housing. A tension torsion... Agent: Lee & Hayes, PLLC

20090136352 - Turbomachine blade: t

20090136354 - Blade: A blade surrounded by: a leading edge portion, which is where fluid flows in; a pressure surface which is a concave curve shape concaved along a direction the fluid flows; a suction surface which is a convex curve shape convexed along a direction the fluid flows; and a trailing edge... Agent: Ostrolenk Faber Gerb & Soffen

20090136353 - Turbine blade: A blade arrangement (22) comprises an aerofoil (26) and a mounting support (28) to mount the blade arrangement to a disc. The aerofoil (26) is supported on the mounting support (28). The aerofoil (26) comprises a plurality of elongate aerofoil portions (34) arranged adjacent one another to provide the aerofoil.... Agent: Oliff & Berridge, PLC

20090136355 - System and method for joining turbine blades: A blade assembly including an outboard blade segment is provided. The outboard blade segment includes an outboard blade shell, first and second outboard bulkheads situated within the outboard blade shell, and an outer box supported by and aligned by the outboard bulkheads. The blade assembly also includes an inboard blade... Agent: General Electric Company Global Research

20090136356 - Blade mounting: The angular nature of corners 3 to roots 2 of a conventional blade 1 used in a gas turbine engine has resulted in relatively thick fan casings in order to contain any blade fragments from these corners 3 as a result of blade failure. By angling the end face 26... Agent: Oliff & Berridge, PLC

20090136357 - Bi-directional cooling fan: A radial fan comprises a base with a plurality of straight primary blades radially oriented and substantially uniformly spaced around the circumference of the base. A like plurality of splitter vanes are interspersed between successive primary blades. The splitter vanes have a length that is about 50-70% of the length... Agent: Maginot, Moore & Beck, LLP Chase Tower

20090129923 - Device for maintaining a hydraulic turbomachine: A device for holding a hydraulic turbomachine in position, the turbomachine comprising a drive shaft along which are distributed turbines designed to rotate the drive shaft when they are immersed in a moving liquid, each turbine comprising drive blades distributed around the drive shaft, the device comprising at least one... Agent: HowardIPLaw Group

20090129924 - Method and system for operating a wind turbine: The present invention relates to a method and a system for operating a Wind Turbine (WTG), which WTG comprises a rotor comprising at least two blades, which blades are pitch regulated, where the rotor is connected to a shaft, which shaft is supported by bearings, and which shaft drives at... Agent: Ladas & Parry LLP

20090129925 - Wind turbine blade load sensor: A wind turbine rotor blade root load sensor is provided. The sensor is configured to be internally mounted within an insert of a root portion of a wind turbine rotor blade. The sensor comprises a carrier member which is configured to be fixedly connected to the insert so that loads... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090129934 - Turbine blade tip cooling system: A turbine blade for a turbine engine having a cooling system in the turbine blade including a camber-line rib extending radially outward from a tip of the blade and extending from a trailing edge of the blade toward a leading edge. The camber-line rib may form pressure and suction side... Agent: Siemens Corporation Intellectual Property Department

20090129926 - Mass pod turbine system: A mass pod turbine device includes a rotating element configured to rotate about a shaft axis. A plurality of mass pods restrained about the periphery of the rotating element. The mass pods are restrained to the rotating element, but may be displaced relative to the center of rotation. During a... Agent: Attn: E.j. Asbury Iii Taylor Busch, LLP

20090129927 - Wind power plant with lightning protection arrangement: A wind power plant (1) having a lightning protection arrangement comprises a plurality of blades (2) extending radially outwards from a hub (3) and together with said hub forming the rotor. An electrically conductive lightning protection means (4) is arranged between two adjacent blades (2).... Agent: The Nath Law Group

20090129928 - High efficiency turbine and method of generating power: The present invention is directed to a turbine comprising a plurality of blades that rotate in a single direction when exposed to fluid flow, wherein the plurality of blades are joined to the central shaft by a plurality of radial spokes disposed substantially perpendicular to the central shaft such that... Agent: Kevin M. Farrell Pierce Atwood

20090129929 - Coaxial rotor system for helicopters: An improved coaxial rotor assembly for a helicopter includes an upper rotor system having a multiple of upper rotor blades each having outer tips and mounted on and extending outwards from a central rotor shaft and a lower rotor system having a multiple of lower rotor blades each having outer... Agent: Stinson Morrison Hecker LLP Attn: Patent Group

20090129931 - Module of a nacelle of a wind turbine, nacelle of a wind turbine, wind turbineand method for the assembly of a nacelle of a wind turbine: The invention concerns a module of a nacelle of a wind turbine, which is separately designed, manageable and comprise a housing part. The module is connectable to at least one further module of the nacelle, which is also separately designed, manageable and has a housing part, wherein the housing part... Agent: Siemens Corporation Intellectual Property Department

20090129930 - Trolling motor propeller with elastomeric hub: A propeller for a trolling motor has an inner hub and an outer hub. The inner hub is made of a synthetic elastomer so that relative rotational movement between the outer hub and a propeller shaft is permitted. This relative movement dampens the reactive forces during an impact between blades... Agent: William D. Lanyi

20090129932 - Dovetail attachment for use with turbine assemblies and methods of assembling turbine assemblies: A method of assembling a steam turbine including a rotor assembly is provided. The method includes providing at least one turbine bucket including a dovetail that includes a plurality of crush surfaces, a plurality of non-contact surfaces, and at least one neck defined between one of the crush surfaces and... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20090129933 - Blower wheel: The invention relates to a blower wheel, especially a plastic blower wheel for a cylindrical rotor radial fan for the heating and air-conditioning systems of a motor vehicle. Said blower wheel comprises a plurality of blades (2), and the flow channel (3) between two blades (2) is embodied in such... Agent: Foley And Lardner LLP Suite 500

20090123282 - Rotating machine balancing member assembly including multiple interlocking balancing members: A rotating machine includes a stationary member and a rotating member moveable relative to the stationary member. The rotating member includes at least one balancing member assembly receiving portion having a plurality of internal threads. The rotating machine also includes a balancing member assembly including first and second interlocking balancing... Agent: Cantor Colburn, LLP

20090123283 - Turbine yaw control: A KHP system turbine for the production of energy in an underwater environment including a yaw stop arrangement for use in flowing steams where the flow direction of water therein is changeable, including bi-directional and multi-directional current flows, so that a rotatably mounted turbine remains in an optimal position within... Agent: Davidson Berquist Jackson & Gowdey LLP

20090123284 - High volume low speed fan: A high volume low speed (HVLS) fan provides improved air circulation and thermal control in a building by incorporating composite fan blades pivotable to both positive and negative pitch angles. The blades are molded of polymer material over a metal tube core for strength and ease of attachment to the... Agent: Scott Lefton

20090123292 - Turbine blade tip cooling system: A turbine blade for a turbine engine having a cooling system in the turbine blade formed from at least one elongated tip cooling chamber forming a portion of the cooling system and at least partially defined by the tip wall proximate to the first end. An inner surface of the... Agent: Siemens Corporation Intellectual Property Department

20090123285 - Double suction type centrifugal fan: A double inlet centrifugal fan includes an impeller and fan inlet port. The impeller has a main plate connected to the drive shaft in a fan casing, fan side plates, and a plurality of blades between the main plate and each of the fan side plates. The fan inlet port... Agent: Panasonic Patent Center

20090123286 - Assembly of a fan blade and of its damper, fan blade damper and method for calibrating the damper: The invention relates to a fan blade assembly of a turbojet with fan and a fan blade damper, the fan blade comprising a root and a platform, the fan blade damper being suitable for being attached in a housing formed in the lower face of the platform, said housing comprising... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090123287 - Quick assembly blades for a ceiling fan: Quick assembly blades for a ceiling fan at least include a blade bracket, a blade and a clamping member. The clamping member is composed of a base plate and a top plate. A rear portion of the base plate has an elastic supporting plate corresponding to a locking plate provided... Agent: Sinorica, LLC

20090123288 - Metal impeller blade manufactured by molding and method of manufacturing the impeller blade: The present invention relates to an impeller blade for turbomachine formed by molding, comprising a blade, at one end of which is provided a heel formed of a single piece with the blade, to which it is joined at the level of a connection area, the heel comprising a platform... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090123289 - Quiet airfoils for small and large wind turbines: Thick airfoil families with desirable aerodynamic performance with minimal airfoil induced noise. The airfoil families are suitable for a variety of wind turbine designs and are particularly well-suited for use with horizontal axis wind turbines (HAWTs) with constant or variable speed using pitch and/or stall control. In exemplary embodiments, a... Agent: Paul J White, Patent Counsel National Renewable Energy Laboratory (nrel)

20090123291 - Coatings for use in the field of power generation: There is described a method for coating the surfaces of turbomachines that come into contact with fluid media, wherein the outer surface of parts of turbomachines that come into contact with fluid media are contacted by a coating comprising an inorganic-organic hybrid polymer. Furthermore, there is described a turbomachine, wherein... Agent: Siemens Corporation Intellectual Property Department

20090123290 - Ni-based alloy member, method of producing the alloy member, turbine engine part, welding material, and method of producing the welding material: A Ni-based alloy member has resistance against grain boundary fracture, fatigue strength, and oxidation resistance at temperatures near 1000° C. or higher. The Ni-based alloy member includes a non-repaired region made of a Ni-based alloy base and a region repaired by welding, which is formed on the non-repaired region and... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090116961 - Ceiling fan with heating assembly: An apparatus for distributing heated air to an environment comprises a ceiling fan assembly secured to a heating assembly. The ceiling fan assembly comprises a plurality of rotatable blades arranged substantially in a horizontal plane to drive airflow in a desired direction when the blades are rotated. The heating assembly... Agent: Pitts And Brittian P C

20090116962 - Sensorised blade joint: Wind turbine blade subdivided transversely into two or more sections made up of a number of sensors, preferably load cells and ultrasound sensors, assembled into the mechanical joining elements between blade sections and characterised in that their measurements allow the loads to be reduced and the forces to be controlled... Agent: Ladas & Parry LLP

20090116963 - Active force generation system for minimizing vibration in a rotating system: A method and device for reducing vibratory noise in a system with an integral rotating member includes independently operable drive systems for controlling the angular velocity of at least two independently rotatable masses. Control signals manipulate the drive system to rotate each mass at optimal speed, direction and phase to... Agent: Carlson, Gaskey, & Olds, P.C./sikorsky

20090116964 - Turbine rotor and method for producing the rotor: A turbine rotor has a row of turbine blades associated with a circumferential groove in a disk, each turbine blade having foot received in the groove, a blade profile above the foot, and a shroud plate above the profile. Each blade foot and each shroud plate have end surfaces and... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090116965 - Arrangement for axially securing rotating blades in a rotor, sealing element for such an arangement, and use of such an arrangement: An arrangement is presented for axially securing rotating blades in a rotor, having a shaft collar on whose external circumference rotating blade securing grooves which extend in the axial direction of the rotor are provided. At one end side face of the shaft a projection is arranged in the region... Agent: Siemens Corporation Intellectual Property Department

20090116966 - Wind turbine blades and methods for forming same: A method of forming a wind turbine blade includes forming a fiber-reinforced resin body. The fiber-reinforced resin body includes a fiber-resin matrix formed with, at least partially, at least one of at least one resin/additive mixture produced by mixing at least one first opaque additive within a first quantity of... Agent: Patrick W. Rasche (22402) Armstrong Teasdale LLP

20090116968 - Blade for wind turbines & an improved wind turbine: An improved blade for a wind turbine incorporates a planar member. The planar member has a leading surface, a trailing surface, an inboard side, an outboard side, an inner impulse surface, an outer impulse surface. The inner impulse surface and outer impulse surface are used for the purpose of actuating... Agent: Law Offices Of Andrew Schroeder

20090116967 - Compressor turbine vane airfoil profile: A single stage high pressure turbine vane 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)