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Fluid reaction surfaces (i.e., impellers) August inventions list 08/09

20090214339 - Method and device for a stream vortex transformation: The invention relates to wind-power engineering and makes it possible to form a swirling vortex stream, to reduce a blade aerodynamic drag, to increase a stream kinetic energy and to reduce a converter power losses. The inventive method for a stream vortex transformation consists in guiding an input three-dimensional stream... Agent: Jerome D. Jackson (jackson Patent Law Office)

20090214340 - Helicopter provided with a plurality of lift elements for controlling the angles of incidence of its blades: A helicopter is fitted with a main rotor (1) having at least two blades (10, 20), each blade (10, 20) being provided with attachment elements (11, 21) for attaching it to a hub (2) of the rotor (1). The rotor is also fitted with one lift element (12, 22) per... Agent: Young & Thompson

20090214355 - Fixing method for a tip winglet and reduced tip leakage blade: Reducing the tip leakage for an existing compressor or turbine blade (10), including internally cooled blades, can be achieved by retrofitted the blade with a tip leakage-reducing device in the form of a winglet (12). The winglet (12) can be fixed onto the tip portion by bonding the winglet onto... Agent: Cermak Kenealy Vaidya & Nakajima LLP

20090214341 - Rotatable axial fan: The present disclosure provides a novel apparatus for the movement of air. Specifically, the apparatus is an axial fan assembly which is rotatable about a horizontal axis to orient the axial fan in a vertical position, a horizontal position, or positions in between. The axial fan can be adjusted and... Agent: Manuel F. De La Cerra

20090214342 - Helicopter provided with a plurality of lift elements each provided with a respective tab for controlling the angles of incidence of its blades: The present invention relates to a helicopter provided with a main rotor (1) having at least two blades (10, 20), each blade (10, 20) being provided with attachment means (11, 21) attaching it to a hub (2) of the rotor (1). The helicopter is provided with one lift element (12,... Agent: Young & Thompson

20090214343 - Turbine for a hydroelectric power station: There is provided a turbine for a hydroelectric power installation. The turbine has a rotor with a plurality of blades, with the rotor being arranged in front of a guide apparatus (in the flow direction). The pitch angle of the blades of the rotor is adapted to be variable. As... Agent: Seed Intellectual Property Law Group Pllc

20090214344 - Rigid hydraulic control shaft and a control system for varying the pitch of a propeller: A rigid hydraulic control shaft for conveying a fluid from a hydraulic valve to a hydraulic chamber of a propeller comprises a main segment. The main segment has a hollow rigid outer tube and a solid rigid inner bar. The inner bar has an outer periphery and at least one... Agent: Darby & Darby P.c.

20090214345 - Low pressure section steam turbine bucket: A bucket for use in the low-pressure section of a steam turbine engine is provided. The bucket has a vane length of at least about 45 inches. The bucket is comprised of a dovetail section disposed near an inner radial position of the bucket, a tip shroud disposed near an... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090214346 - System and method for pulverizing and extracting moisture: A venturi receives incoming material through an inlet tube and subjects the material to pulverization. The material, as it undergoes pulverization, is further subject to moisture extraction and drying. An airflow generator, coupled to the venturi, generates a high speed airflow to pull the material through the venturi and into... Agent: Stoel Rives LLP - Slc

20090214348 - Method for manufacturing the rotor assembly of a rotating vacuum pump: A rotor assembly for rotary vacuum pumps has improved mechanical characteristics and low manufacturing cost due to a one-step thermal coupling of a rotor having a male axial projection and its supporting shaft having an end portion comprising a female cavity with a shape and size for receiving the male... Agent: Varian Inc. Legal Department

20090214347 - Split ring for a rotary part of a turbomachine: A split ring for mounting with elastic prestress in an annular groove of a rotary part of a turbomachine and having, in the free state, a diameter that is greater than the diameter of the groove, is remarkable in that, in the free state and without stress, the end portions... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20090214349 - Airfoil structure shim: An airfoil structure, shim and retention member combination is provided. The combination comprises an airfoil structure, a retention member and a shim. The airfoil structure may comprise a first recess. The retention member may comprising a second recess. The first and second recesses may define a cavity. The shim may... Agent: Siemens Corporation Intellectual Property Department

20090214351 - Method of generating a curved blade retention slot in a turbine disk: A method of forming a curved slot in a turbine disk includes the steps of forming a pre-slot in the turbine disk and finishing the pre-slot to form a slot that receives a portion of a turbine blade. The turbine disk including a first face, an opposing second face, and... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090214350 - Rotor of a turbomachine and method for replacing rotor blades of the rotor: A rotor of a turbomachine is provided. The rotor includes at least first and second rotor portions and at least first and second blades. The first and second rotor portions are configured to rotate about an axis. The first and second rotor portions have first and second rim portions, respectively,... Agent: Cantor Colburn, LLP

20090214352 - Surface treatment method and repair method: A method for forming a dense coating on a limited region of a subject body is disclosed. The method is composed of the steps of: applying one selected from the group of a compressed body of a powder of a metal and a sintered compressed body of a powder of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20090214353 - Hanging frame of the ceiling fan: An improved hanging frame of the ceiling fan includes a supporting base having a plurality of holding parts and extending downwards with a plurality of supporting parts. Each of the holding parts has a first supporting section that extends with a first holding section. Each of the supporting part supports... Agent: Rosenberg, Klein & Lee

20090214354 - Nose cone assembly: A nose cone assembly for a gas turbine engine comprises a spinner and a plurality of circumferentially spaced mounting members for mounting the spinner on a fan hub of the gas turbine engine. Each of the mounting members is rigid in a generally axial direction and flexible in a generally... Agent: Mccormick, Paulding & Huber LLP

20090208333 - Ceiling fan system with brushless motor: A fan system includes a motor, a rotatable hub, and a plurality of fan blades. The motor is coupled with the hub by a hollow drive shaft, such that the drive system of the fan system is gearless. The motor is controlled by a PFC-based control module, which is in... Agent: Frost Brown Todd, LLC

20090208334 - Wind flap brake assembly for wind turbine: A brake assembly for use with a wind turbine. The brake assembly comprises a movable wind flap for attachment to a tail assembly of the wind turbine, the wind flap being configured to assume a first closed position during normal operation, and a second open position when incoming winds exceed... Agent: Shoemaker And Mattare, Ltd

20090208344 - Process for the electrolytic treatment of a component, and a component with through-hole: There is described a method wherein through holes of a wall are treated on a inside, and wherein one respective pole electrode is assigned to each through hole that is to be processed.... Agent: Siemens Corporation Intellectual Property Department

20090208343 - Serpentine microcircuits for hot gas migration: A turbine engine component, such as a turbine blade, has an airfoil portion with a pressure side and a suction side. The turbine engine component also has a first cooling circuit within the pressure side for cooling the pressure side of the airfoil portion and a second cooling circuit within... Agent: Bachman & Lapointe, P.C. (p&w)

20090208335 - Annulus filler: An annulus filler is provided for mounting to a rotor disc of a gas turbine engine and for bridging the gap between two adjacent blades attached to the rotor disc. The annulus filler has a body portion which defines an airflow surface for air being drawn through the engine, and... Agent: Oliff & Berridge, PLC

20090208336 - Impeller wheel: The present invention relates to a pump impeller (12) of a centrifugal or half axial type to be used in a pump for pumping liquids, wherein the impeller is arranged with one or several vanes (18), that the vanes are attached to cover discs (12, 16) on each side, forming... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090208337 - Turbine blade support assembly: A turbine blade support assembly comprises a central hub. A plurality of carrying members extend outwardly from the central hub. A respective subsidiary hub is provided on each of the carrying members for securing a respective turbine blade to each carrying member.... Agent: Smith-hill And Bedell, P.C.

20090208338 - Single channel inner diameter shroud with lightweight inner core: An inner diameter shroud for receiving an inner diameter base portion of a rotatable vane in a gas turbine engine has a single piece channel and a core. The channel has a leading edge wall, an inner diameter wall, a trailing edge wall, a radial outer surface, and at least... Agent: Kinney & Lange, P.A.

20090208339 - Blade root stress relief: In a gas turbine engine, a stress relief is formed along a blade root and disk slot junction. An exemplary relief is a chamfer along the pressure side of the blade root extending forward from the aft face of the root.... Agent: Bachman & Lapointe, P.C. (p&w)

20090208340 - Impeller structure of blower: The impeller structure of blower in the present invention mainly includes a hub and an impeller. The hub has a spindle disposed centrally therein. The impeller has a top connection ring, a bottom connection ring, a pressure-retaining ring and a plurality of blades, in which the blades are vertically arranged... Agent: Bacon & Thomas, PLLC

20090208341 - Blade for wind-power generators: The invention relates to a blade for wind-power generators. The inventive blade is divided transversely into two or more independent sections, each section comprising aerodynamic skins or walls (3) and an inner longitudinal reinforcing structure (4). In addition, the ends of the aforementioned sections are equipped with connection means comprising... Agent: Ladas & Parry LLP

20090208342 - Turbomachine part having its leading edge constituted by a superelastic material: The invention relates to a turbomachine part comprising a main portion and a leading edge. Over at least a fraction of the length of said part, the leading edge is constituted by a sheet of material that is fastened to the main portion and that extends from the pressure side... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090202346 - Vertical axis wind turbine: A vertical axis sail-type wind turbine includes an array of sail-like structures that are mounted on rotating main masts. The sail-like structures can be oriented to interact with the wind. For example, when the sail-like structures are moving in a downwind direction, they are oriented to present a flat surface... Agent: Moore & Hansen, Pllp

20090202347 - Systems and methods for mitigating the effects of wind turbines on radar: A control system for mitigating the effects of a wind turbine on a radar system is disclosed. The control system includes a sensor configured to detect an operating condition of the radar system; a processor configured to receive an operating condition of the wind turbine and determine a rotation modification... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090202348 - Disposable ceiling fan blade slipcovers: The Ceiling Fan Blade Slipcovers is a potential new commercial product generally involving ceiling fans. This product is put on each blade to protect the blades from dirty greasy build up. No more scrapping or overhead cleaning of ceiling fan blades. The slipcovers are also disposable too. It's like changing... Agent: Rachel Felicia Culberson

20090202358 - Blade with a cooling groove for a bladed wheel of a turbomachine: A blade for a turbomachine bladed wheel, the blade including an airfoil and a platform with at least one air injection passage, the platform including a groove running along the pressure side of the airfoil at least in the vicinity of a downstream portion thereof, and formed between the pressure... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090202357 - Cooled pusher propeller system: A propulsion system and method includes an annular exhaust nozzle about an axis radially outboard of the annular cooling flow nozzle and ejecting an exhaust flow through an annular exhaust nozzle about an axis radially outboard of the annular cooling flow nozzle.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090202349 - Self-assembly micro fan: A self-assembly micro fan includes a body, a plurality of blades and flexible joints, with any one of the blades being connected to the body by one of the flexible joints while each flexible joint is regarded as a pivot to move the blade connected therewith to have an angle... Agent: Kamrath & Associates P.A.

20090202350 - Handling system for a wind turbine nacelle, methods for transport and vertical displacement of a wind turbine nacelle and a use of a handling system: A handling system for a wind turbine nacelle in connection with self-loading or self-unloading of the nacelle to or from a vehicle. Two or more lifting apparatus are provided for displacing the nacelle substantially vertically during the self-loading or self-unloading of the nacelle. The lifting apparatus has displacing apparatus for... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090202351 - Wind turbine blade with a light beacon at the tip: Wind turbine blade (11) with a flashing beacon on its tip which is connected to the wind turbine rotor hub (13) where this beacon includes a lighting module (21) in the tip area of the blade (11) which is supplied by a device that includes a light emitter (23) situated... Agent: Ladas & Parry LLP

20090202352 - Forward swept centrifugal fan wheel: A forward swept centrifugal fan wheel comprising a first endring (10), a second endring (11), a plurality of blades (12) connected between the first endring and the second endring, each blade having a substantially continuous arcuate form extending along an axis parallel to an axis of rotation (A-A), and each... Agent: Jeffrey Thurnau The Gates Corporation

20090202353 - Wheel for a rotating flow machine: A wheel for a rotating flow machine, comprising a rotor (1) on which a plurality of blades (2) are arranged projecting radially from the rotor (1), with each blade (2) having a root (3) attached to the rotor (1) and a blade top (4). In addition, the wheel comprises a... Agent: Wrb-ip LLP

20090202354 - Wind turbine blade: An aerodynamic profile and a wind turbine comprising a wind turbine blade with reduced sensitivity towards surface irregularities are provided. The invention is mainly directed towards pitch-regulated wind turbines, which are operated at variable rotor speed and have blades longer than about 30 meters.... Agent: Abelman, Frayne & Schwab

20090202355 - Replaceable blade tip shroud: One embodiment of the present invention is a blade with a replaceable blade tip shroud that includes an airfoil shaped spar extending from a leading edge to a trailing edge between a root end and a tip end. It can also include a plurality of tiles coupled to an exterior... Agent: Krieg Devault LLP

20090202356 - Vertical axis rotor-type wind turbine: The invention refers to the field of wind power engineering, particularly to the vertical axis rotor-type wind turbines, which can be used for drive of electric generators or other using equipment of mechanical energy. The rotor-type wind turbine contains a central vertical shaft, mounted in a hollow elongated supporting column,... Agent: Seed Intellectual Property Law Group PLLC

20090202346 - Vertical axis wind turbine: A vertical axis sail-type wind turbine includes an array of sail-like structures that are mounted on rotating main masts. The sail-like structures can be oriented to interact with the wind. For example, when the sail-like structures are moving in a downwind direction, they are oriented to present a flat surface... Agent: Moore & Hansen, Pllp

20090202347 - Systems and methods for mitigating the effects of wind turbines on radar: A control system for mitigating the effects of a wind turbine on a radar system is disclosed. The control system includes a sensor configured to detect an operating condition of the radar system; a processor configured to receive an operating condition of the wind turbine and determine a rotation modification... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090202348 - Disposable ceiling fan blade slipcovers: The Ceiling Fan Blade Slipcovers is a potential new commercial product generally involving ceiling fans. This product is put on each blade to protect the blades from dirty greasy build up. No more scrapping or overhead cleaning of ceiling fan blades. The slipcovers are also disposable too. It's like changing... Agent: Rachel Felicia Culberson

20090202358 - Blade with a cooling groove for a bladed wheel of a turbomachine: A blade for a turbomachine bladed wheel, the blade including an airfoil and a platform with at least one air injection passage, the platform including a groove running along the pressure side of the airfoil at least in the vicinity of a downstream portion thereof, and formed between the pressure... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090202357 - Cooled pusher propeller system: A propulsion system and method includes an annular exhaust nozzle about an axis radially outboard of the annular cooling flow nozzle and ejecting an exhaust flow through an annular exhaust nozzle about an axis radially outboard of the annular cooling flow nozzle.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090202349 - Self-assembly micro fan: A self-assembly micro fan includes a body, a plurality of blades and flexible joints, with any one of the blades being connected to the body by one of the flexible joints while each flexible joint is regarded as a pivot to move the blade connected therewith to have an angle... Agent: Kamrath & Associates P.A.

20090202350 - Handling system for a wind turbine nacelle, methods for transport and vertical displacement of a wind turbine nacelle and a use of a handling system: A handling system for a wind turbine nacelle in connection with self-loading or self-unloading of the nacelle to or from a vehicle. Two or more lifting apparatus are provided for displacing the nacelle substantially vertically during the self-loading or self-unloading of the nacelle. The lifting apparatus has displacing apparatus for... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090202351 - Wind turbine blade with a light beacon at the tip: Wind turbine blade (11) with a flashing beacon on its tip which is connected to the wind turbine rotor hub (13) where this beacon includes a lighting module (21) in the tip area of the blade (11) which is supplied by a device that includes a light emitter (23) situated... Agent: Ladas & Parry LLP

20090202352 - Forward swept centrifugal fan wheel: A forward swept centrifugal fan wheel comprising a first endring (10), a second endring (11), a plurality of blades (12) connected between the first endring and the second endring, each blade having a substantially continuous arcuate form extending along an axis parallel to an axis of rotation (A-A), and each... Agent: Jeffrey Thurnau The Gates Corporation

20090202353 - Wheel for a rotating flow machine: A wheel for a rotating flow machine, comprising a rotor (1) on which a plurality of blades (2) are arranged projecting radially from the rotor (1), with each blade (2) having a root (3) attached to the rotor (1) and a blade top (4). In addition, the wheel comprises a... Agent: Wrb-ip LLP

20090202354 - Wind turbine blade: An aerodynamic profile and a wind turbine comprising a wind turbine blade with reduced sensitivity towards surface irregularities are provided. The invention is mainly directed towards pitch-regulated wind turbines, which are operated at variable rotor speed and have blades longer than about 30 meters.... Agent: Abelman, Frayne & Schwab

20090202355 - Replaceable blade tip shroud: One embodiment of the present invention is a blade with a replaceable blade tip shroud that includes an airfoil shaped spar extending from a leading edge to a trailing edge between a root end and a tip end. It can also include a plurality of tiles coupled to an exterior... Agent: Krieg Devault LLP

20090202356 - Vertical axis rotor-type wind turbine: The invention refers to the field of wind power engineering, particularly to the vertical axis rotor-type wind turbines, which can be used for drive of electric generators or other using equipment of mechanical energy. The rotor-type wind turbine contains a central vertical shaft, mounted in a hollow elongated supporting column,... Agent: Seed Intellectual Property Law Group PLLC

20090196747 - Compact variable pitch fan: A compact variable pitch fan has a hydraulic pitch change mechanism. A pitch change piston is constrained to follow reciprocating motion under hydraulic control within a peripheral hub from which fan blades extend outward. An additional feature is the use of separated guiding and seal surfaces. A still further feature... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20090196763 - Vertical axis wind turbines with blades for redirecting airflow: Vertical axis wind turbines and Savonius blades incorporating an internal conduit for diverting a portion of an airflow incident on the blades are disclosed.... Agent: William R. Lambert

20090196748 - Wind turbine improvements: A wind turbine arrangement is disclosed that includes a substantially vertical tower mounted to a ground surface, a horizontally-extending hub rotatably fixed in a substantially horizontal plane to an upper end of the tower, at least one radial support arm rotatably fixed with a distal end of the hub, each... Agent: Quickpatents, Inc.

20090196749 - Prentice wind engine: The Prentice Wind Engine will operate 100% from “wind power” from any direction to produce both air pressure as well as hydraulic pressure at the same time to work together to generate electricity. In the case of the Prentice Wind Engine, assuming that the wind is coming from the north... Agent: Smith-hill And Bedell, P.C.

20090196750 - Fluid rotor: A rotor having at least two flightings includes a plurality of elongated support ribs rigidly interconnecting at axially spaced intervals, the outer edge of a first flighting with the inner edge of the other flighting, the ribs having a connecting boss at a distal end and a balancing mass intermediate... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20090196751 - Wind turbine blade with lightning receptor: A wind turbine blade having two shell portions bonded together to form a wind turbine blade having an interior space having an axial length. A web disposed between the shell portions in the interior space and extending substantially the axial length thereof. Lightning receptors are disposed on the shell portions... Agent: Mcnees Wallace & Nurick LLC

20090196753 - Blade support limb for vertical axis wind turbine: A blade support limb structure of vertical axis wind power generator includes a fixed support limb (1) and a rotatable support limb (2), one end (21) of the rotatable support limb is connected with one end (22) of the fixed support limb and the rotatable support limb may rotate around... Agent: Matthias Scholl

20090196752 - Method for stopping a wind turbine: A method for stopping a pitch controlled wind turbine comprising at least one blade and a pitch system for adjusting the blade pitch angle, the pitch system allowing turning said at least one blade towards the feathered position or towards the fine position, that includes the step of turning said... Agent: Ladas & Parry LLP

20090196754 - Impeller and cooling fan incorporating the same: A cooling fan (10) includes a bottom plate (12) a top cover (14) covering the bottom plate, a sidewall (13) disposed between the bottom plate and the top cover, and an impeller (16) enclosed in a space formed between the bottom plate, the top cover and the sidewall. The impeller... Agent: PCe Industry, Inc. Att. Steven Reiss

20090196755 - Modular construction for wind turbine blade: A vertical axis wind turbine including a blade having a modular structure, comprising at least two connectable blade sections. Each section has an upper and lower panel with a cavity formed therebetween through which extends a spar.... Agent: Law Office Of Michael D. Eisenberg Intellectual Property Law

20090196756 - Wind turbine blades and method for forming same: A method of forming a wind turbine blade includes forming a root portion, a tip portion, and an airfoil portion extending radially outward from the root portion to the tip portion. The method also includes forming a spar cap extending radially outward from the root portion through at least a... Agent: Patrick W. Rasche (22402) Armstrong Teasdale LLP

20090196757 - 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

20090196758 - 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

20090196759 - Polymer nanocomposites for air movement devices: In one embodiment, the invention provides an air movement device having a matrix polymer and nanoparticles. In another embodiment, the invention provides a method of manufacturing an air movement device having dry-mixing about 30% to about 80% by weight matrix polymer and about 2% to about 15% by weight layered... Agent: Greenberg Traurig (phx)

20090196762 - Casting aluminum alloy, cast compressor impeller comprising the alloy, and process for producing the same: A casting aluminum alloy which contains, in terms of mass %, 3.2-5.0% Cu, 0.8-3.0% Ni, 1.0-3.0% Mg, 0.05-0.20% Ti, and up to 1.0% Si, the remainder being aluminum and incidental impurities. This casting aluminum alloy is used to produce a cast compressor impeller comprising a hub part, a hub-disk part... Agent: Sughrue Mion, PLLC

20090196761 - Metal injection joining: A method of joining a first part together with a second part is disclosed. The method may comprise providing a first part having a first joining portion including a first channel and a second part having a second joining portion including a second channel. The method may further comprise positioning... Agent: Siemens Corporation Intellectual Property Department

20090196760 - Nickel-base superalloy excellent in the oxidation resistance: A nickel-base superalloy having excellent oxidation resistance is provided. It is useful as high-temperature members such as turbine blades and turbine vanes for jet engines or gas turbines. The nickel-base superalloy has a composition containing Co: 0.1 to 15% by weight, Cr: 0.1 to 10% by weight, Mo: 0.1 to... Agent: Wenderoth, Lind & Ponack, L.L.P.