Fluid reaction surfaces (i.e., impellers) inventions 07/09

20090191056 - Wind harnessing system: A wind harnessing system comprises a substantially helical structure including at least a portion of a spiraling groove and at least one energy converter positioned at least partially within the portion of the spiraling groove. In other embodiments, wind grooves formed by adjacent bands which are fixed with respect to... Agent: Calfee Halter & Griswold, LLP

20090191057 - Multi-axis wind turbine with power concentrator sail: A wind energy to electrical power conversion device provides a protected multiple turbine mechanism axially aligned to convert kinetic energy of air movement, i.e. wind (or other moving fluid such as water), into rotational mechanical power to directly create electrical energy by the reaction of the wind with the turbine.... Agent: Bruce J. Bownan Bowman & Associates

20090191058 - Torsion blade pivot windmill: A pair of airfoil blades having a longitudinal axis coincident with one another. Each blade is bent at the center on the plane of the chord. Each blade has an airfoil tip blade placed at the outer most trailing edge. The blades are affixed by their root ends to opposite... Agent: Gauthier & Connors, LLP

20090191059 - Wind power plant buktukov-3: A wind power plant comprising blades connected by a rods, which are fastened, to cantilevers set on a fixed axis with bearings. Each blade is connected to adjacent blades with a stem. The stem is connected to the blade at one end, the other end is connected to the rod... Agent: John Alumit

20090191060 - Lubrication heating system and wind turbine incorporating same: A wind turbine is provided having a gearbox containing a lubrication medium, a pump for circulating the lubrication medium. and a gearbox lubrication suction pipe for transporting the lubrication medium from the gearbox to the pump. A heater is in thermal connection to, at least a portion of, the gearbox... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090191061 - Impeller arrangement and pump: The present invention relates to an improved multi-impeller arrangement and to a pump having the impeller arrangement. The impeller arrangement or impeller cluster includes at least two impellers, each impeller having an annular back plate and an annular front plate. The impellers are releasably secured together in an axially in-line... Agent: Jacobson Holman PLLC

20090191062 - Rotorcraft blade provided with a spar incorporating a fastener attachment, and a method of fabricating such a spar: A rotorcraft blade is provided with a rigid attachment filler (1) and with a spar (40) that extends from a root (51) of the blade to a free end (52) of the blade, the attachment filler (1) having top, bottom, front, rear, left side, and right side faces (2, 3,... Agent: Young & Thompson

20090191063 - Lightweight composite truss wind turbine blade: A lightweight wind turbine blade formed with a truss support structure assembly of composite truss joints including composite spar and cross members attached to and supporting in spaced relation a spine of lightweight rib panels. The rib panels are oriented in parallel spaced relation from one another and individually molded... Agent: Perkins Coie LLP Patent-sea

20090191064 - Spinner of a wind turbine: The present patent application relates to a spinner for a wind turbine adapted to be mounted on a hub of said wind turbine, wherein at least one rotor blade is connected to said hub, wherein the rotor blade has an inner portion and a profiled outer portion, wherein the spinner... Agent: General Electric Company Ge Global Patent Operation

20090185901 - Wind turbine, a method for damping edgewise oscillations in one or more blades of a wind turbine by changing the blade pitch and use hereof: The invention relates to a wind turbine comprising a rotor including one or more pitchable blades, and detection means for detecting edgewise oscillations in one or more of said blades. The wind turbine is characterized in that the wind turbine comprises control means for changing the pitch angle of one... Agent: St. Onge Steward Johnston & Reens, LLC

20090185900 - Wind-driven electricity generation device, method of controlling wind-driven electricity generation device, and computer program: The present invention provides a wind power generation device capable of reducing collision of a flying object against a blade or bird strike. The wind power generation device includes a tower set up on the ground, a nacelle fixed to the tower, a plurality of blades rotatably fixed to the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090185902 - Device for controlling the blades of a wind turbine: The invention relates to a device for controlling the blades of a wind turbine. According to the invention, each blade (7) is associated with means enabling same to rotate about the longitudinal axis thereof in order to: alter the angle of attack of the blades (7) in relation to the... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090185903 - Turbine blade: The invention relates to a turbine blade comprising a profiled vane around which working gas flows. The working gas cross-flows a front edge of the vane and flows away on a rear edge of the vane. The vane has a first and a second channel system for guiding two media... Agent: Siemens Corporation Intellectual Property Department

20090185913 - Method of producing a turbine or compressor component, and turbine or compressor component: Disclosed is a turbine or compressor component with an integrated cooling channel, in particular a turbine blade, and a method for producing the same. The aim of the invention is to ensure an improved estimation of the service life of the component and furthermore, if possible, also increased safety during... Agent: Siemens Corporation Intellectual Property Department

20090185905 - Return and limited motion in energy capture devices: The problems of return and continuous motion are common to a number of renewable energy machines, particularly in applications with wind and magnetism. Devices are presented for obtaining wind and other energy through the use of sails and other components with flexible structures on a rigid frame that require a... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20090185904 - Submersible plant: The present invention relates to a submersible plant for producing energy. The submersible plant comprises at least one turbine (9) and is characterized in that said turbine (9) is mounted on a stream-driven vehicle (3) and in that said stream-driven vehicle is secured in a structure by means of at... Agent: Morrison & Foerster LLP

20090185906 - Centrifugal impeller: A low noise centrifugal fan impeller has a multi cellular form of construction comprising a multiplicity of individual radial flow channels disposed in a circumferential and longitudinal array with respect to the axis of rotation. This increases the “blade passing frequency” as compared to a conventional impeller and since higher... Agent: Oliff & Berridge, PLC

20090185907 - Fan assembly and refrigerator having the same: A fan assembly. The fan assembly includes a rotation shaft, a rotor coupled to the rotation shaft, a stator disposed inside the rotor, and a fan including a hub having a receiving space therein, and a plurality of blades disposed at a circumference of the hub, and coupled to the... Agent: Ked & Associates, LLP

20090185908 - Linear friction welded blisk and method of fabrication: The present invention provides a linear friction welded blisk of a gas turbine engine and method of fabricating the blisk. The blisk includes a blisk hub having a curved periphery and having a central axis formed therethrough. At least one blade joining stub including a planar weld joint surface to... Agent: Honeywell International Inc. Patent Services

20090185909 - Self-assembly micro blade: The present invention relates to a self-assembly micro blade applied to a micro fan. The micro fan combines at least a self-assembly micro blade and a motor using an actuator as the main body of the micro fan. The self-assembly micro blade includes at least a movable part of a... Agent: Bacon & Thomas, PLLC

20090185910 - Gas-turbine blade root: A gas-turbine blade root 1 has at least two essentially rectangularly adjoining surfaces 4, 5 for locating the gas-turbine blade root 1 and a transition area of the surfaces 4, 5 includes a bevelled, plane edge 6.... Agent: Timothy J. Klima Harbin Klima Law Group PLLC

20090185911 - Systems and methods involving localized stiffening of blades: Systems and methods involving localized stiffening of blades are provided. In this regard, a representative a gas turbine engine blade includes: a recess located in a surface of the blade; and material positioned at least partially within the recess such that the material provides a localized increase in stiffness of... Agent: O''shea Getz P.C.

20090185912 - Method of protecting a component against hot corrosion and a component protected by said method: A method of protecting a component, in particular a turbine blade, from the effects of hot corrosion includes the steps of applying a chromium diffusion coating to the component and applying a coating of a ceramic material to one or more selected regions of the chromium diffusion coating. The selected... Agent: Siemens Corporation Intellectual Property Department

20090180875 - Method for determining fatigue load of a wind turbine and for fatigue load control, and wind turbines therefor: A method of determining fatigue load of at least one operative wind turbine, comprising: providing a transfer function that associates an obtained at least one measurement value of a first sensor to an obtained at least one measurement value of a second sensor the at least one measurement value of... Agent: Siemens Corporation Intellectual Property Department

20090180876 - Electrohydraulic propeller governor: Proposed is a hydraulically controlled variable pitch propeller system for air, land or water craft, comprising an engine, an engine controller, a rotating propeller featuring at least two propeller blades (16), for the pitch control of which a propeller governor (30) is provided connecting the propeller (10) via at least... Agent: Schwegman, Lundberg & Woessner, P.A.

20090180877 - Fan device: A fan device includes a protective net and a fan. The protective net has a mounting plate. The fan comprises a base, a coil assembly, a blade assembly and a permanent magnet. The base is provided on the mounting plate of the protective net. The coil assembly is provided on... Agent: Rosenberg, Klein & Lee

20090180892 - Turbine blade tip shroud: The present application further describes a turbine blade that may include an airfoil a tip shroud that is positioned at one end of the turbine blade, a coolant passage that extends through the airfoil to the tip shroud, and a continuous cooling cavity that is defined within the tip shroud... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090180893 - Turbine blade tip shroud: A turbine blade that may include a tip shroud that comprises one or more cooling cavities formed therein. At least one of the cooling cavities may include a plurality of ribs and a first interior wall that generally opposes a second interior wall across the cooling cavity. The plurality of... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090180894 - Turbine blade tip shroud: A turbine blade that includes a tip shroud and one or more cooling cavities formed within the tip shroud. At least one of the cooling cavities may include a plurality of ribs and a first interior wall that generally opposes a second interior wall across the cooling cavity. The ribs... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090180895 - Turbine blade tip shroud: A turbine blade that may include a tip shroud, the tip shroud having one or more cooling cavities defined therein, an airfoil, the airfoil having at least one coolant passage defined therein, and a plurality of exit apertures defined through an outer wall of at least one of the cooling... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090180896 - Turbine blade tip shroud: A turbine blade that may include a tip shroud, one or more cooling cavities formed within the tip shroud, and at least one discrete structural element defined within at least one of the cooling cavities. The discrete structural element may include an element that structurally connects a floor of the... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090180878 - Generation of power: According to one aspect of the present invention, there is provided a turbine including—a plurality of adjacent rotors, —each rotor including a pair of opposed balanced arms, each arm extending on either side of a central axis—the rotors being provided in adjacent array along the central axis with each rotor... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20090180880 - Check valve turbine: A check valve turbine assembly includes an assembly base, a vertical member rotatable relative to the base, and a sail assembly attached to the vertical member, wherein the sail assembly has a frame with parallel horizontal airfoil members and parallel vertical airfoil members, a sub frame connected to the horizontal... Agent: Arent Fox LLP

20090180879 - Flexible impeller apparatus and method: Embodiments of the invention provide an impeller assembly having a flexible impeller and a method of replacing a removable drive mechanism. The impeller assembly includes an impeller having an outer portion defining a substantially cylindrical shape, at least one flexible blade extending radially outward from the outer portion, and a... Agent: Greenberg Traurig (phx)

20090180881 - Fan blade mounting system: A ceiling fan is disclosed having a blade iron mounting system (14) coupled to the bottom mounting plate (15) of an motor (13). The blade iron mounting system includes an annular mounting plate (24), an annular array of blade iron anti-rotation blocks (25), and an annular array of blade irons... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz Intellectual Property Department

20090180882 - System and method of damping a 1p motion: A rotor system includes a multiple of rotor blade yokes mounted to a rotor hub. A lead/lag damper is mounted to each of the rotor blade yokes and to a damper hub. An actuator system is operable to shift a damper hub axis of rotation relative the rotor axis of... Agent: Carlson, Gaskey & Olds, P.C.

20090180883 - Hydraulically controlled variable pitch propeller: Proposed is a redundant hydraulically controlled variable pitch propeller for an air, land or water craft, comprising at least two propeller blades (14) mounted in a propeller hub (12) for variable pitch control by means of a hydraulically powered piston assembly (18). In accordance with the invention the piston assembly... Agent: Schwegman, Lundberg & Woessner, P.A.

20090180884 - Vertical axis wind sail turbine: A vertical axis omni-wind turbine having a wind sail centrally mounted to a rotor, the wind sail consisting of two vanes one on each side of the rotor in generally planar arrangement. The vanes are substantially identical with each having a generally concave surface with an opposite or reverse face... Agent: Edward E. Roberts

20090180885 - Methods and apparatus to repair a rotor disk for a gas turbine: Embodiments of the invention can provide methods and apparatus to repair a rotor disk for a gas turbine. In one embodiment, a method to repair a rotor disk for a gas turbine is provided, wherein the rotor disk can include a base and at least one dovetail slot between a... Agent: Sutherland Asbill & Brennan LLP

20090180886 - Platform and blade for a bladed wheel of a turbomachine, bladed wheel and compressor or turbomachine comprising such a bladed wheel: b

20090180888 - Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces: Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces and wide tip ends for ceiling fans with blades formed from plastic and/or wood and/or separately attached surfaces that run at reduced energy consumption that move larger air volumes than traditional flat shaped ceiling fan blades. And methods of operating... Agent: Brian Steinberger/ucf

20090180889 - Rotor blade: Disclosed is a surface of the blade having a cylindrical root portion, an airfoil portion and a transition portion connecting the root portion with the airfoil portion, wherein the blade comprises a shoulder at the border between the transition portion to the airfoil portion, wherein the blade comprises an element... Agent: Siemens Corporation Intellectual Property Department

20090180887 - Turbine blade with recessed tip: A turbine blade (1) with a side surface (7) having an aerodynamic profile. The turbine blade (1) further comprises an end surface (6) and is mounted in a turbine, whereby the end surface (6) is delimited by a gap from a casing (8) of the turbine. The end surface (6)... Agent: Pauley Petersen & Erickson

20090180890 - Rotors or stators of a turbomolecular pump: The invention relates to rotors or stators of a turbomolecular pump with rotor blades made of a specific aluminum alloy.... Agent: Clements Bernard PLLC

20090180891 - Turbomachinery disc: A turbomachinery disc, eg a fan (310) has a primary axis of rotation (316) and an axial flow direction X parallel to the primary axis of rotation (316), and comprises an annular diaphragm (318) extending from proximate a blade land (312) to a free inner radius (320), characterised in that... Agent: Oliff & Berridge, PLC

20090175723 - Undershot impulse jet driven water turbine having an improved vane configuration and radial gate for optimal hydroelectric power generation and water level control: A low-head impulse jet water turbine for electric power generation at irrigation canal drop structures, navigation dam spillways or other low head watercourses achieves renewable electric power generation at competitive cost. Kinetic energy of a low-pressure jet is employed in a way that enables numerous locations to generate electricity conveniently... Agent: WoodsideIPGroup

20090175733 - Air cooled turbine blades and methods of manufacturing: An air-cooled turbine blade and methods of manufacturing the blade are provided. The blade includes a suction side flow circuit formed within its interior and defined at least by an interior surface of a convex suction side wall, a pressure side flow circuit formed within the blade interior and defined... Agent: Honeywell International Inc.

20090175732 - Blade under platform pocket cooling: Inlets are provided at a front end of inter-blade cavities for allowing coolant to flow therein to cool down the undersurface of the blade platforms as well as the rim of the disc of a rotor assembly.... Agent: Ogilvy Renault LLP (pwc)

20090175724 - Bearing unit for a long rotor blade of a wind power installation, wind power installation comprising one such rotor blade bearing arrangement, and method for operating one such wind power installation: The invention relates to a bearing unit for a long rotor blade, especially a wind power installation, said bearing unit comprising two annular elements that can be rotated in relation to each other and are directly or indirectly connected to the rotor blade hub and to the rotor blade, and... Agent: Scott R Foster Pandiscio & Pandiscio

20090175725 - Low maintenance stiff in plane gimbaled rotor head: A stiff in-plane gimbaled rotor head for a rotorcraft, such as a helicopter, includes a vertically extending rotor shaft, a center hub disposed on the rotor shaft for conjoint rotation therewith, and an outer hub surrounding the center hub and coupled thereto through a spherical gimbal bearing for conjoint rotation... Agent: Haynes And Boone, LLPIPSection

20090175726 - Variable geometry fan and method for manufacturing the blades thereof: A fan, particularly for cooling internal combustion engines for earth moving machines, whose blades have an elastically deformable composite structure including at least one shape memory alloy foil adapted to be heated by means of electric current to vary the geometry of the blade.... Agent: Heslin Rothenberg Farley & Mesiti PC

20090175727 - Dimensional restoration of stationary shroud segments: A method for dimensionally restoring a stationary shroud segment, the method comprising removing at least a portion of a damaged flowpath of the stationary shroud segment to provide an exposed surface, casting a replacement flowpath, positioning the replacement flowpath on the exposed surface, and diffusion bonding the replacement flowpath to... Agent: Kinney & Lange, P.A.

20090175728 - Blade arm: The user can adjust the axial length and radial pitch of the blade arm by screwing in or out a threaded connection between the extension elements, and once the desired length and pitch is selected, the connection is secured by a connector, such as a hand and/or tool adjustable threaded... Agent: Arthur A. Gasey

20090175729 - Fan rotor assembly: A fan rotor assembly has an inner rotor, an outer rotor, a central retainer and a central shaft. The inner rotor has multiple first blades. The outer rotor is stacked on the inner rotor and has multiple second blades. The central retainer is mounted through the inner and outer retainers.... Agent: Posz Law Group, PLC

20090175730 - Fan and impeller: A fan includes a housing, an impeller and a motor. The impeller includes a hub, a ring and a plurality of flat blades. The ring surrounds the hub without substantial contact therewith and is connected to the hub by at least one connecting arm. The flat blades are disposed on... Agent: Birch Stewart Kolasch & Birch

20090175731 - Method for manufacturing of a fibre reinforced laminate, use of a wrinkle-preventing material, wind turbine blade and wind turbine: A method for manufacturing of a fiber reinforced laminate is provided. A part of the laminate is build up to a determined thickness. A layer of wrinkle-preventing material is placed on top of the partially completed laminate. The layer of wrinkle-preventing material has a greater stiffness than the stiffness of... Agent: Siemens Corporation Intellectual Property Department

20090169378 - Wind turbine, wind turbine controller and method for controlling a wind turbine: A wind turbine having at least one rotor blade attached to a rotor hub is provided, wherein the wind turbine further includes at least one sensor disposed at or near the rotor blade, the sensor being adapted to detect an aerodynamic condition of the rotor blade.... Agent: General Electric Company Ge Global Patent Operation

20090169388 - Multiple rotor windmill and method of operation thereof: The hub of the horizontal axis contains rotors rigidly attached in the radial direction by their own axes on the ground of logarithmic spiral-shaped load-bearing elements that rotate in response to the force of ram pressure and as it rotates in a wind flow around it generates lateral aerodynamic force... Agent: Jennifer L. Bales

20090169379 - Methods and apparatus for advanced wind energy capture system: Methods and apparatus of improved wind energy capture system design and operation are discussed. Improved wind energy capture system blade/sail implementations are described. Retractable sails are used in a novel configuration in some but not all implementations. In one embodiment, a turbine blade assembly includes a plurality of uniformly spaced... Agent: Straub & Pokotylo

20090169380 - Magnetostrictive measurement of tensile stress in foundations: A foundation for supporting a structure is provided. The foundation includes a foundation body, at least one anchor bolt connecting a lower anchor plate and the structure, a magnetostrictive load measuring sensor for measuring loads on the at least one anchor bolt, the magnetostrictive load measuring sensor being positioned within... Agent: General Electric Company Ge Global Patent Operation

20090169394 - Method of forming cooling holes and turbine airfoil with hybrid-formed cooling holes: A method of forming a cooling hole in a workpiece that includes the steps of laser-forming a blind, inwardly-tapering transition opening into a first side of the workpiece, and EDM-forming a generally cylindrical through hole to a second, opposing side of the workpiece communicating with the inwardly-tapering transition opening to... Agent: Adams Intellectual Property Law, P.A.

20090169395 - Tungsten shell for a spar and shell turbine vane: The present invention is a vane for us in a gas turbine engine, in which the vane is made of an exotic, high temperature material that is difficult to machine or cast. The vane includes a shell made from Tungsten, and is formed from a wire electric discharge process. The... Agent: John Ryznic

20090169381 - Rotor blade for a rotor airplane: A rotor blade comprises an inner rotor blade root area, a rotor blade main area disposed adjacent to the inner rotor blade root area along a length of the rotor blade and having an aerodynamically effective rotor blade profile, the profile including a nose area and a rear edge area,... Agent: Darby & Darby P.C.

20090169382 - Fluid-driven power plant: A fluid-driven power plant for harnessing power from a fluid flowing in a preselected direction has a shaft mounted for rotation about a primary axis substantially perpendicular to the preselected direction and at least three blades attached to the shaft, each of the blades having a frame and at least... Agent: Christie, Parker & Hale, LLP

20090169383 - Rotor balance device and method: A rotor balance fitting to balance an aircraft rotor includes a ring, bore, and cup. The ring includes an inner surface configured to mate with an outer surface of a blade for the aircraft rotor. The bore is disposed through the ring and configured to receive a blade pin that... Agent: NovatechIPLaw

20090169384 - Methods and system for balancing turbine rotor assemblies: A balancing system and method for reducing imbalance in a rotatable member of a machine is provided. The system includes a plurality of vibration sensors positioned about a stationary portion of the machine, a controller assembly communitively coupled to the plurality of vibration sensors, and a balancing assembly coupled to... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20090169385 - Fan-turbine rotor assembly with integral inducer section for a tip turbine engine: A fan-turbine rotor assembly for a tip turbine engine includes a fan hub with an outer periphery scalloped by a multitude of elongated openings which extend into a fan hub web. Each elongated opening defines an inducer section and a blade receipt section to retain a hollow fan blade section.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090169386 - Annular turbine ring rotor: A fan-turbine rotor assembly (24) includes one or more turbine ring rotors (32). Each turbine ring rotor is cast as a single integral annular ring. By forming the turbine as one or more rings, leakage between adjacent blade platforms is minimized which increases engine efficiency. Assembly of the turbine ring... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090169387 - Fan assembly: A fan assembly is provided. The fan assembly includes a fan, and a shroud having a motor mounting portion on which a fan motor of the fan is mounted. One or more coupling units are provided at a lower side of the shroud, and on a planar surface of an... Agent: Greenblum & Bernstein, P.L.C

20090169389 - Impeller and cooling fan using the same: A cooling fan (10) includes a bottom housing (12), a top cover (14) covering the bottom housing, and impeller (16) and stator accommodated in a space formed between the bottom housing and the top cover. The impeller includes a hub (162), and a plurality of blades (164) radially and outwardly... Agent: PCe Industry, Inc. Att. Steven Reiss

20090169390 - Adaptive rotor blade for a wind turbine: A rotor blade for a wind turbine is provided, the rotor blade having a first module of a first type and a second module of a second type, each module having a distal end and a proximal end, wherein the distal end of the first module and the proximal end... Agent: General Electric Company Ge Global Patent Operation

20090169391 - Axial-flow fluid machine blade: An axial-flow fluid machine blade which achieves reduction of the frictional loss of the blade and provision of a high surge-resistant property is provided. An axial-flow fluid machine blade 60 used for an axial-flow fluid machine includes a leading edge 61 projecting at the tip portion and the root portion... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090169392 - Wind turbine blade with sufficiently high strength and light weight: A wind turbine blade is provided with an outer skin layer formed of fiber-reinforced plastic, and a plurality of main structural members formed of fiber-reinforced plastic integrally with the outer skin layer to extend in a blade length direction. The main structural members include a plurality of main dorsal structural... Agent: Kanesaka Berner And Partners LLP

20090169393 - Wind tower and method of assembling the same: A method of assembling a tower for use with a wind turbine is provided. The method includes providing a plurality of tower segments. Each tower segment includes a first interface and a second interface. The method also includes bonding the first interface of a first tower segment to the second... Agent: Patrick W. Rasche (22402) Armstrong Teasdale LLP