Fluid reaction surfaces (i.e., impellers) inventions 06/09

20090162197 - Automatic control system and method to minimize oscillation in ceiling fans: A fan system includes a fan and a fan rotation speed control. The speed control is operable to command the fan to rotate at a speed selected from a certain range of rotation speeds. A fan oscillation detector may be coupled with the fan to detect oscillation of the fan... Agent: Frost Brown Todd, LLC

20090162198 - Multi-blade fan: A multi-blade fan including a spirally-shaped casing having an inlet and an outlet; an electric motor disposed inside the casing; a main plate provided perpendicular to a rotation axis of the electric motor and having a ventilation hole; first blades disposed at a side of the inlet of the main... Agent: Ratnerprestia

20090162199 - Self locking trim tab: A trim tab assembly includes first and second shape memory alloy (SMA) actuators and a trim tab substrate which provide elastic/plastic locking in response to an induced strain actuation.... Agent: Carlson, Gaskey & Olds, P.C.

20090162200 - Rotor blades: A rotor blade has a tip with an outer face including at least two channels which each extend to an outlet in the vicinity of the trailing edge. Accordingly, gas leakage around the tip must cross at least three walls, at least in the vicinity of the uncovered turning region... Agent: Mccormick, Paulding & Huber LLP

20090162210 - Impeller and cooling fan incorporating the same: An impeller (10) of a cooling fan includes a hub (11) and a plurality of blades (12) radially and outwardly extending from the hub. Each of the blades includes a windward surface (127) and a leeward surface (128). A groove (124) is defined in each of the blades for guiding... Agent: PCe Industry, Inc. Att. Steven Reiss

20090162201 - Uniform fatigue life spherical elastomeric bearing: An elastomeric spherical bearing includes a multiple of elastomeric layers with an essentially equivalent fatigue life.... Agent: Carlson, Gaskey & Olds, P.C.

20090162202 - Braking and positioning system for a wind turbine rotor: A method of positioning a wind turbine rotor comprises defining a predetermined angular position in a main rotation plane of the rotor and controlling a rate of deceleration of the rotor, such as to stop the rotor at the predetermined angular position.... Agent: General Electric Company Ge Global Patent Operation

20090162203 - Fan module: A fan module is provided. The fan module is configured to dissipate heat from, e.g., a compressor and a condenser disposed in a machine room of the refrigerator. The fan module includes a fan, a shroud having a receiving hole positioned around the fan, a fan mounting portion coupled to... Agent: Greenblum & Bernstein, P.L.C

20090162204 - High lift transonic turbine blade: A turbine blade system including a blade airfoil having an airfoil shape with the blade airfoil having a nominal profile substantially in accordance with normalized Cartesian coordinate values Z set forth in a table 1 below and which values are dimensionless values that are convertible to corresponding absolute distance values... Agent: Kinney & Lange, P.A.

20090162205 - Turbine components and methods of manufacturing turbine components: Turbine components are provided. In an embodiment, by way of example, a hub and a ring are included. The hub comprises a first material. The ring is bonded to the hub. The ring comprises a plurality of arc segments forming a ring, each arc segment comprising a second material comprising... Agent: Honeywell International Inc.

20090162206 - Multi-segment wind turbine blade and method for assembling the same: A multi segment wind turbine blade comprises at least two blade segments. A first blade segment comprises an outer skin, a bulkhead, and first alignment brackets removably coupled to the outer skin of the first blade segment. A first portion of a flange of the bulkhead is bonded to the... Agent: General Electric Company Global Research

20090162207 - Method for the manufacture of an erosion protection layer and a component with said erosion protection layer: In accordance with the invention a method for the manufacture of an erosion protection layer on a metallic substrate is proposed in which a material is welded onto the metallic substrate (2, 2′). The material is a steel which contains at least 0.1% carbon and at least 12% chrome. The... Agent: Townsend And Townsend And Crew, LLP

20090162208 - Multi-segment wind turbine blade and method for assembling the same: A multi-segment wind turbine blade comprises at least two blade segments. A first spar cap segment is attached to a first blade segment and a second spar cap segment is attached to a second blade segment. The first and second spar cap segments are configured to form a scarf joint.... Agent: General Electric Company Global Research

20090162209 - Turbine engine components with environmental protection for interior passages: A gas turbine blade comprises a base metal, a platform, an airfoil extending upwardly from the platform, a shank extending downwardly from the platform. The shank has an exterior wall and an internal passage, and the airfoil has a cooling flow channel inside the airfoil for flowing a cooling flow... Agent: General Electric Company

20090155074 - Vertical axis turbine: Turbine systems and apparatuses and methods for operating a turbine. The turbine has a shaft coupled to a generator and a segment and the segment has an asymmetric shaped wall.... Agent: The Law Office Of Richard W. James

20090155088 - Dust hole dome blade: A hollow turbine airfoil includes a tip cap bounding an internal cooling circuit between opposite pressure and suction sidewalls. The tip cap includes an internal dome surrounding a dust hole, and the dome is inclined inwardly toward the airfoil root both transversely between the opposite sidewalls and chordally between opposite... Agent: Francis L. Conte, Esq.

20090155075 - Blade pitch driving apparatus for wind driven generator: A blade pitch driving apparatus of a wind-driven generator and a driving method therefor are adapted to receive an external electrical power and impel a blade toward a corresponding pitch angle according to a pitch command. The apparatus includes an UPS, a permanent magnet synchronous motor drive (PMSM drive), an... Agent: Apex Juris, PLLC

20090155076 - Shrouded dual-swept fan impeller: A fan impeller includes rotating ring attached to the tip of dual-swept fan blades. Besides shrouding the impeller; the blades are dual-swept forward, and sweep increases in magnitude towards the tip. The shrouded dual-swept impeller resides inside classical fan housing. The integrated effects of shrouding the impeller, forward sweep into... Agent: Townsend And Townsend And Crew, LLP

20090155077 - Impeller guide wheel for a hydrodynamic speed variator/torque converter and method for manufacturing an impeller: An impeller, for example, a guide wheel for a hydrodynamic speed variator/torque converter, including a plurality of blades. Each blade has a blade base and a blade tip area. Stiffening means are situated in at least one of the blades in at least the blade base area and/or the blade... Agent: Simpson & Simpson, PLLC

20090155078 - Brazed torque converter pump hub assembly and method of fabrication: The invention relates to a more efficient and cost effective method of bonding pump blades and a pump hub to an impeller of a torque converter by the steps of initially assembling the pump blades and the pump hub adjacent and in close proximity to the impeller and bonding the... Agent: Simpson & Simpson, PLLC

20090155079 - Stacked annular components for turbine engines: Improved annular components and improved methods for assembling annular components into a turbine engine are described with respect to an axial compressor having a plurality of annular compressor rotor airfoil assemblies (120) as an example. Each compressor rotor airfoil assembly comprises an annular rotor portion (122), a spacer portion (124)... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090155080 - Combination axial-flow fan: A high-performance low-noise combination axial-flow fan includes a fan hub that has a center connection portion for the connection of a fan motor shaft and a mounting groove extending around the periphery, and fan blades each having a wedge block disposed at the inner end for fastening to the mounting... Agent: Pai Patent & Trademark Law Firm

20090155081 - Combination axial-flow fan: A high-performance low-noise combination axial-flow fan includes a fan hub that has a center connection portion for the connection of a fan motor shaft and a plurality of mounting grooves equiangularly spaced around the periphery, and fan blades each having a wedge block disposed at the inner end for insertion... Agent: Pai Patent & Trademark Law Firm

20090155082 - Method to maximize resonance-free running range for a turbine blade: An airfoil for a gas turbine engine component such as a turbine blade is tuned to move its natural frequency outside of a frequency which will be excited during expected speed range of an associated gas turbine engine. The airfoil is tuned about locations of the anti-nodes in an original... Agent: Carlson, Gaskey & Olds, P.C.

20090155083 - Method for repairing an airfoil: An example method of repairing an airfoil includes securing a cap to an end portion of a worn airfoil and securing additional material to the cap. The method includes altering some of the cap to form a desired airfoil contour.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090155085 - Turbomachine blade that is cast with a local fattening of the section of the airfoil: is characterized in that said connection zone extends about the leading edge between a point P1 situated on the suction face of the airfoil upstream of the suction face neck and a point P3 situated on the pressure face of the airfoil upstream of the pressure face neck.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090155084 - Wind blade joint bonding grid: A method and system for assembling large wind turbine blades that includes providing a plurality of wind turbine blade segments. An adhesive distribution arrangement is disposed on a surface of at least one of the plurality of the wind turbine blade segments. The adhesive distribution arrangement includes a bonding grid... Agent: Mcnees Wallace & Nurick LLC

20090155086 - Rotorcraft blade, a rotorcraft rotor provided with said blade, and a method of fabricating said blade: A rotorcraft rotor blade (1) has a blade root (1′) and a free end opposite from the blade root (1′), the blade (1) being provided at least with a spar (2) laid flat on a suction-side face (3) and a pressure side-face (4) of the blade (1), the main spar... Agent: Young & Thompson

20090155087 - Cooling fan: A cooling fan, includes a hub (40) and a plurality of blades (50) extending radially from the hub. Each of the blades is divided into a plurality of zonal zones (505, 51, 52, 53, 54, 55, 56), projections of a plurality of homocentric rounds concentric with the hub on the... Agent: PCe Industry, Inc. Att. Steven Reiss

20090148285 - Multi-section wind turbine rotor blades and wind turbines incorporating same: A multi-section blade for a wind turbine comprising at least one non-pitchable section and at least one pitchable section is provided. The non-pitchable section is configured to be fixed to a hub of the wind turbine. The pitchable section is configured to be rotated about a pitch axis which is... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090148286 - Apparatus and method for reducing asymmetric rotor loads in wind turbines during shutdown: An apparatus and method for reducing asymmetric rotor load in a wind turbine includes calculating a time delay for pitching each blade toward feather upon initiation of a shutdown condition. The blades with the larger blade angle begin moving toward feather with an initial pitch rate, while the blade with... Agent: General Electric Company Global Research

20090148287 - Fan blade with integral diffuser section and tip turbine blade section for a tip turbine engine: A fan-turbine rotor assembly for a tip turbine engine includes an outer periphery scalloped by a multitude of elongated openings which define an inducer receipt section to receive an inducer section and a hollow fan blade section. Each fan blade section includes a turbine section which extends from a diffuser... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090148305 - Turbine blades and methods of manufacturing: A turbine blade includes a convex suction side wall, a concave pressure side wall, a tip wall, an internal cooling circuit, and a plurality of tip edge channels. The tip wall is recessed from a first tip edge of the suction side wall and a second tip edge of the... Agent: Honeywell International Inc.

20090148288 - Vertical furling for wind turbines: A horizontal axis wind turbine apparatus includes a turbine assembly comprising a generator mounted in a housing, a rotor operative to rotate the generator in response to wind forces, and a tail extending rearward from the housing, and a base adapted to be mounted on a tower. The housing is... Agent: Law Offices Of Albert Wai-kit Chan, PLLC

20090148289 - Active damper against generator base frame vibrations: A damper system for damping base frame vibrations of a wind turbine having a tower, a nacelle, a frame in the nacelle, at least one rotor blade, and a generator, the damper system includes a mass for damping vibrations of the frame, wherein the mass is positioned outside a vibration... Agent: General Electric Company Ge Global Patent Operation

20090148290 - Wind turbine and method of operating same: A turbine blade assembly includes a turbine blade and a moveable surface supported for lateral displacement across the turbine blade. A wind turbine include a base structure, a turbine body and a turbine blade assembly operatively connected to the turbine body. A method of operating a wind turbine is also... Agent: Fay Sharpe LLP

20090148291 - Multi-section wind turbine rotor blades and wind turbines incorporating same: A multi-section blade for a wind turbine comprising a hub extender connected to a hub of the wind turbine is provided. The blade includes at least one pitchable outboard section. The hub extender can have a pitch bearing located near the interface between the hub and hub extender, or the... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090148292 - Axial compressor for tip turbine engine: A tip turbine engine (10) according to the present invention provides at least one gear (90) coupling rotation of a bypass fan (24) to an axial compressor (22), such that the axial compressor (22) is driven by rotation of the fan (24) at a rate different from than the rate... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090148293 - Dust collector blade structure: The present invention discloses a dust collector blade structure. In the present invention, the blades are uniformly and radiately arranged on a rotation disc. The blades are vertical to the rotation disc and form an air entrance at the center of the rotation disc. One end of each blade is... Agent: Joe Mckinney Muncy

20090148294 - Houseless fan with rotating tip ring as silencer: The stationary housing of a conventional fan assembly is replaced with a rotating tip ring. The rotating tip ring has a shaped cross-sectional profile to enhance performance and eliminate tonal noise associated with the fundamental (or blade passing) frequency and its harmonics.... Agent: Townsend And Townsend And Crew, LLP

20090148295 - Gas turbine engine systems involving rotor bayonet coverplates and tools for installing such coverplates: Gas turbine engine systems involving rotor bayonet coverplates and tools for installing such coverplates are provided. In this regard, a representative turbine assembly for a gas turbine engine includes: a turbine disk operative to mount a set of turbine blades; and a coverplate having an annular main body portion and... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090148296 - Method of machining a turbine disk: A method of manufacturing a turbine disk involves machining to an initial form a slot in a turbine disk using a firm cutting tool. An intermediate form is then machined using a second cutting tool different from the first cutting tool. A final form using a third cutting tool different... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090148298 - Blade disk seal: An apparatus and method are disclosed for reducing the operating stresses in a disk of a gas turbine engine while providing a seal plate to minimize leakage of a cooling fluid from the blades positioned in the disk. The seal plate is fastened to a tang of one or more... Agent: Shook, Hardy & Bacon LLP Intellectual Property Department

20090148297 - Fan-turbine rotor assembly for a tip turbine engine: A fan-turbine rotor assembly (24) for a tip turbine engine (10) includes a fan hub (64) with an outer periphery (112) scalloped by a multitude of elongated openings (114) which extend into a fan hub web (115). Each elongated opening defines an inducer receipt section (117) to receive an inducer... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090148299 - Airfoil leading edge shape tailoring to reduce heat load: An airfoil includes a leading edge surface that includes a non-continuous curvature distribution. A stagnation region of the airfoil includes a curvature larger than adjacent segments to reduce heat transfer into the airfoil. The reduced curvature in the stagnation region is surrounded by the adjacent segments with larger curvatures to... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090148301 - Main rotor blade with removable tip cap: A main rotor blade assembly includes a tip cap removably mountable to an outboard end section of a forward tip spar section and an aft tip spar section.... Agent: Carlson, Gaskey & Olds, P.C.

20090148300 - Modular wind turbine blades with resistance heated bonds: A blade for a wind turbine includes a first structural component; a second structural component; and at least one conductive bond for joining the first and second structural components.... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090148302 - Main rotor blade with integral tip section: A main rotor blade assembly having a blade skin bonded to a main spar and a tip spar.... Agent: Carlson, Gaskey & Olds, P.C.

20090148303 - Main rotor blade with integral tip section: A main rotor blade assembly includes a tip spar which defines a tip spar non-straight form, an upper blade skin which defines an upper blade skin non-straight form adjacent to the tip spar non-straight form and a lower blade skin which defines a lower blade skin non-straight form adjacent to... Agent: Carlson, Gaskey & Olds, P.C.

20090148304 - Wind turbine rotor assembly: A rotor assembly for a wind turbine including at least one blade adapted to automatically adjust its shape as a function of rotational speed to create an efficient fluid dynamic profile over a wide range of wind conditions and rotational speeds. The rotor assembly includes at least one blade configured... Agent: Arthur Freilich Freilich, Hornbaker & Rosen

20090142192 - Wind turbine metrology system: A wind turbine and system for controlling a wind turbine using a nosecone mounted metrology system is disclosed. The wind turbine comprises at least one wind sensor for determining at least one wind characteristic. The wind sensor is mounted on a boom and located at a predetermined distance outward from... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090142193 - Wind turbine blade comprising one or more oscillation dampers: w

20090142194 - Method and systems for measuring blade deformation in turbines: A tip shrouded turbine blade that may include a target pad disposed on an outer radial surface of the tip shroud, the target pad including a raised surface that protrudes radially outward from the outer face of the tip shroud. The target pad may be substantially cylindrical in shape such... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090142195 - Shank shape for a turbine blade and turbine incorporating the same: A turbine includes a turbine wheel having a plurality of buckets, each of the buckets including a bucket airfoil, a bucket dovetail to connect the bucket to a turbine wheel and a shank shape to connect the airfoil to the bucket dovetail, the shank having an uncoated nominal profile including... Agent: Nixon & Vanderhye P.C.

20090142196 - Rotor for centrifugal compressor: The present disclosure provides an improved rotor of a centrifugal compressor. The rotor includes a blade arrangement and geometry that increase the overall efficiency of the rotor. In particular, blades within the rotor are curved and inclined in a manner that improves the overall efficiency of the rotor. The present... Agent: Merchant & Gould PC

20090142197 - Wind turbine rotor blade: A wind turbine rotor blade with a suction side and a pressure side is provided. The blade includes a cylindrical root portion, an airfoil portion defining the suction side and the pressure side, and a transition portion which is located between the airfoil portion and the root portion. The transition... Agent: Siemens Corporation Intellectual Property Department