|Fluid reaction surfaces (i.e., impellers) patents - Monitor Patents|
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Fluid reaction surfaces (i.e., impellers)Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 11/28/2013 > 19 patent applications in 16 patent subcategories.
20130315731 - Celing mounted ventilation fan with illumination: The ceiling mounted ventilation fan with illumination employs a configuration in which a second opening for guiding light from an illumination unit into the room is formed in a lower part of a main housing and in which a air inlet on a fan casing of a fan unit is... Agent: Panasonic Ecology Systems Guangdong Co., Ltd.
20130315732 - Horizontal axis wind machine with multiple rotors: A horizontal-shaft wind machine having improved low wind speed performance and greater overall efficiency consists of multiple rotors, wherein each successive rotor is larger in diameter than the previous rotor moving from the most windward rotor to the most leeward rotor. Each rotor may be coupled to a separate concentric... Agent:
20130315733 - Passive thrust enhancement using circulation control: A passive thrust enhancement system having a propeller, which includes a propeller hub, a first propeller blade, a second propeller blade, wherein each of the first and second propeller blades include a fluid flow channel within the first and second propeller blades, which is fluidly connected to a flow exit... Agent:
20130315748 - Cooling structures in the tips of turbine rotor blades: A turbine rotor blade used in a gas turbine engine, which includes an airfoil having a tip at an outer radial edge, is described. The airfoil includes a pressure sidewall and a suction sidewall that join together at a leading edge and a trailing edge of the airfoil, the pressure... Agent: General Electric Company
20130315749 - Cooling structures in the tips of turbine rotor blades: A turbine rotor blade for a gas turbine engine is described. The turbine rotor blade includes an airfoil that includes a tip at an outer radial end. The tip includes a rail that defines a tip cavity; and the rail includes a circumscribing rail microchannel. The circumscribing rail microchannel is... Agent: General Electric Company
20130315734 - Aerodynamic blade attachment for a bearingless rotor of a helicopter: An aerodynamic blade attachment (1) for a bearingless rotor, particularly a main rotor, of a helicopter, comprising: an airfoil blade (2) having a tip end and a root end and having a pitch axis from said tip end to said root end; a flexbeam (3); a control cuff (4, 22)... Agent: Eurocopter Deutschland Gmbh
20130315735 - Wind power installation with helicopter hoisting platform: A wind power installation includes a helicopter hoisting platform configured to be arranged on top of a nacelle of a wind driven power plant. The nacelle and the helicopter platform are configured such that a bottom surface of the helicopter hoisting platform is below a top surface of the nacelle.... Agent:
20130315736 - Assembly for extracting the rotational energy from the rotor hub of the wind turbine of a wind turbine system: An assembly for absorbing torques at the rotor hub of a wind turbine whose rotation axis extends toward the wind, and for diverting axial and radial forces and tilting moments into a load-bearing structure by means of a main bearing, and for extracting rotational energy from the rotor hub by... Agent: Imo Holding Gmbh
20130315737 - Stall margin enhancement of axial fan with rotating shroud: A fan assembly includes a shrouded fan rotor having fan blades extending from a hub and rotatable about a central axis. A fan shroud extends circumferentially around the fan rotor and secured to the fan blades. The shroud includes a first axially extending annular portion secured to the fan blades,... Agent: Carrier Corporation
20130315739 - Airfoil and platform assembly for subsonic flow: An assembly including an airfoil for a bladed wheel together with a platform, the airfoils in association with such platforms forming a bladed wheel. The platform surface presents a circumferential depression between a leading edge of an airfoil at 60% of the airfoil going downstream. A skeleton curve designates a... Agent: Snecma
20130315738 - Airfoil and platform assembly for supersonic flow: An assembly including an airfoil and a platform on which the airfoil may be mounted, the surface of the platform presenting a circumferential depression between a leading edge and trailing edge of the airfoil, a deepest section of the depression being situated in an upstream half of the airfoil. A... Agent: Snecma
20130315741 - Diffuser having detachable vanes with positive lock: A system, in certain embodiments, includes a centrifugal compressor diffuser that includes an elliptical plate including multiple vane receptacles disposed about an axis of the plate and multiple detachable vanes attached to the plate. Each vane receptacle includes a first two dimensional (2D) projection along a plane of the elliptical... Agent: Cameron International Corporation
20130315740 - Method and equipment for turning a blade or a blade part for a wind turbine during production or installation: A method for installing an inner blade part or a wind turbine blade and to a lifting bracket for use in performing said method, e.g., a inner blade part for a partial pitch wind turbine blade comprising an inner blade part and an outer blade part, said inner blade part... Agent: Envision Energy (denmark) Aps
20130315742 - Ventilator with reversible system for cooling and cleaning radiators: A ventilator with a reversible system for cooling and cleaning radiators can reverse the blades (1) about the shaft (5) thereof, such that forced air circulation cleans out dust, weed chaff, cereal chaff, sugarcane chaff and other small dirt particles suspended in the air and that end up on or... Agent:
20130315743 - Impeller for electric blower: Disclosed herein is an impeller for an electric blower including: an upper plate; a lower plate; and a blade positioned between the upper plate and the lower plate, wherein the lower plate includes a burring part formed at an inner diameter portion thereof to which a shaft is insertedly coupled.... Agent: Samsung Electro-mechanics Co., Ltd.
20130315744 - Fan rotor and associated turbojet engine: A fan rotor including a disk carrying blades including roots engaged in slots in the disk, a frustoconical cap mounted on the disk upstream from the blades, and a retaining mechanism axially retaining the blades on the disk and including a ring mounted in an annular groove of the disk... Agent: Snecma
20130315745 - Airfoil mateface sealing: An airfoil includes an airfoil working portion and an adjoining endwall. The endwall has a leading edge, a trailing edge, a first mateface, and a second mateface that collectively define a perimeter of the endwall, with the first and second matefaces arranged opposite one another. A forward zone is defined... Agent: United Technologies Corporation
20130315746 - Wind blades and producing method thereof: A method of producing a pre-bent wind blade, includes: obtaining a pre-bent curve of a straight wind blade; and producing a bent wind blade according to the pre-bent curve, in such a manner that under a rating wind speed, the wind blade extends to be straight, so as to increase... Agent: Sinomatech Wind Power Blade Co., Ltd.
20130315747 - Wind turbine blade with improved geometry for reinforcing fibers: A wind turbine blade (10) including: a spar cap (18) having first fibers (38) oriented parallel to a longitudinal axis (40) of the blade (10); and a fiber member (50, 52, 54, 56, 58) joined to the spar cap at a joint (30, 32, 34) and having second fibers (80).... Agent:11/21/2013 > 11 patent applications in 8 patent subcategories.
20130309088 - Method for protecting wind turbine equipment in fire event: A method for protecting wind turbine equipment in a fire event is disclosed. The method may include providing a wind turbine and a fire detection and suppression system capable of detecting a fire within the wind turbine, the fire detection and suppression system further capable of generating and communicating a... Agent: Clipper Windpower, LLC
20130309089 - Shape memory alloy active spars for blade twist: A system for changing a shape a structural spar includes, in an exemplary embodiment, a plurality of adjoining structural strips axially aligned to form the structural spar. At least one of the structural strips is formed from a shape memory alloy. The system also includes a temperature control system to... Agent:
20130309090 - Wind turbine having heliplatform arrangement and method of using same: A wind turbine for generating electrical energy may include a tower, a nacelle at the top of the tower, and a rotor coupled to a generator within the nacelle. The wind turbine further includes a cooler including a spoiler and at least one cooler panel projecting above a roof of... Agent: Vestas Wind Systems A/s
20130309091 - Oil supply system for a propeller turbine engine: An oil supply system for a propeller turbine engine including a propeller, a propeller gearbox connected to the propeller and a propeller adjusting device for altering the pitch angle of the propeller blades. The system includes an oil circuit and a propeller main pump for supplying the propeller gearbox and... Agent: Rolls-royce Deutschland Ltd & Co Kg
20130309092 - Rotor blade with heating device for a wind turbine: There is provided a wind power installation rotor blade comprising at least one electrically operable heating mat which is fixed in the interior of the rotor blade.... Agent: Wobben Properties Gmbh
20130309093 - Wind turbine generator system: According to the present invention, a wind turbine generator system is provided which can not only remove the influence of salt damage in case the system is established off-shore, but even if the facility becomes larger, which can also cool equipment and the generator provided in the tower and can... Agent: Hitachi, Ltd.
20130309094 - Cooling fan with impeller: A cooling fan includes a hub and an impeller. The hub includes a circular wall and an annular wall. The annular wall has a position end opposite to the circular wall. The impeller includes a blade ring and a plurality of blades integrally extending outwards from an outer circumferential surface... Agent: Foxconn Technology Co., Ltd.
20130309095 - Wind turbine blade having improved structural and aerodynamic characteristics: A wind turbine blade is provided which is attached to a hub of a wind turbine. The wind turbine blade includes a spine. The spine can have various cross-sections, such as square, rectangular, triangular, “I” beam, or other suitable cross-sections. An attachment member is connected to one end of the... Agent: Skywolf Wind Turbine Corp.
20130309096 - Method for bonding manufacturing intermediary parts, referred to as ips, to a turbomachine blade made of composite material: A method for bonding additional parts to a composite-material turbomachine part in a thermostatic oven includes a step of placing this composite-material turbomachine part equipped with the additional parts on a rigid support that cannot deform at the operating temperature and pressure and that is configured to espouse the desired... Agent:
20130309097 - Vibration damper: Vibration damping is important with regard to such components as hollow turbine blades in gas turbine engines. Traditionally damping has occurred through damping elements secured at the root or tip of such blades. Such damping is not optimised and results in potential problems with wear in operational life. By providing... Agent:
20130309098 - Turbocompressor rotor and method for producing the same: A turbocompressor rotor for a turbocompressor for compressing process gas has a rotor body which makes contact with the process gas and which is produced entirely from a stainless steel material including 0.3 to 1.2% carbon and 12 to 19% chromium, wherein the steel material includes the alloy X39CrMo17-1.9. A... Agent:11/14/2013 > 19 patent applications in 13 patent subcategories.
20130302162 - Blade tip having a recessed area: An example blade assembly includes, among other things a blade tip having a pressure side and a suction side, and a plurality of grooves within the blade tip. At least one of the grooves has a contour that is different than both a contour of the pressure side and a... Agent:
20130302161 - Controller of wind turbine and wind turbine: Techniques for operating a wind turbine are described herein. In an example, a wind turbine includes a tower, a nacelle coupled to the tower, a rotor rotatably coupled to the nacelle, at least one blade coupled to the rotor and configured to rotate about a pitch axis, and a controller... Agent:
20130302163 - Method and apparatus for connecting turbine rotors: Connecting rotors in rotary machines, particularly turbines, is generally described. Some aspects of the invention provide for a simplified attachment rotors to each other and/or other components of a turbine assembly, such as, drive shaft, using friction fit.... Agent: Wilson Solarpower Corporation
20130302164 - Magnus rotor with balancing weights and method for balancing a body of revolution: The invention relates to a Magnus rotor comprising a cylindrical body of revolution for converting wind power into a feed force using the Magnus effect. The Magnus rotor comprises: a rotational shaft about which the body of revolution rotates; a support member on which the body of revolution is mounted;... Agent: Wobben Properties Gmbh
20130302165 - Turbine apparatus and methods: Turbines and methods for their use, for generating power utilizing the flow of water or other fluids. In certain embodiments, turbines with helical blades oriented to efficiently intercept off axis or angular fluid flow, such as presented by whirlpool water flow patterns. In certain preferred embodiments, turbines having helical blades... Agent:
20130302167 - Near-wall serpentine cooled turbine airfoil: Certain exemplary embodiments can provide a serpentine coolant flow path formed by inner walls in a cavity between pressure and suction side walls of a turbine airfoil and/or can be adapted to provide cooling matched to the heating topography of the airfoil, minimize differential thermal expansion, revive the coolant, and/or... Agent:
20130302166 - Turbine blade with chamfered squealer tip formed from multiple components and convective cooling holes: A squealer tip usable in repair systems and formed from a pressure side outer weld rib and a suction side outer weld rib extending radially outward from a tip of the turbine blade and resting upon pressure side and suction side weld members separated by a mid-chord member is disclosed.... Agent:
20130302178 - Asymmetrically shaped trailing edge cooling holes: A turbine airfoil includes pressure and suction sidewalls extending along a span from a base to a tip. Spanwise spaced apart trailing edge cooling holes in pressure sidewall end at corresponding spanwise spaced apart trailing edge cooling slots extending chordally substantially to trailing edge. Each cooling hole includes an asymmetric... Agent:
20130302177 - Turbine airfoil trailing edge bifurcated cooling holes: A gas turbine engine turbine airfoil having pressure and suction sidewalls extending outwardly along a span and chordwise between opposite leading and trailing edges. A spanwise row of spaced apart bifurcated trailing edge cooling holes encased in the pressure sidewall end at corresponding trailing edge cooling slots extending chordally substantially... Agent:
20130302179 - Turbine airfoil trailing edge cooling hole plug and slot: A turbine airfoil includes pressure and suction sidewalls extending along a span from a base to a tip. Spanwise spaced apart trailing edge cooling holes disposed in pressure sidewall. All or a plurality of cooling holes end at a trailing edge cooling slot extending chordally substantially to an airfoil trailing... Agent:
20130302176 - Turbine airfoil trailing edge cooling slot: A turbine airfoil includes pressure and suction sidewalls extending along a span from a base to a tip. Spanwise spaced apart trailing edge cooling holes in pressure sidewall end at a trailing edge cooling slot extending chordally substantially to an airfoil trailing edge. Each cooling hole includes a curved inlet,... Agent:
20130302168 - Embedded actuators in composite airfoils: An airfoil having active actuators and at least one morphing area allowing shape change of the airfoil and further allowing for optimization of the airfoil shape at more than one operating condition.... Agent:
20130302169 - Rotor assembly for an axial turbine: A rotor assembly includes a drive shaft; a rotor having rotor blades, which each comprise a profiled rotor blade section and a blade fastening section; wherein each blade fastening section comprises a first contact region and a second contact region, the first contact region being at least indirectly supported on... Agent:
20130302170 - Rotor disk and rotor assembly: The disclosure generally relates to rotor disks and rotor assemblies having a composite lubricated sheet adhered thereon and having improved tribological properties at high temperatures.... Agent: E. I. Du Pont De Nemours And Company
20130302171 - Device for attaching blades to a turbine engine rotor disk: The invention provides a device for attaching blades to a rotor disk of a turbine engine, comprising: a rotor disk provided at its outer periphery with a plurality of slots, each formed between two adjacent disk teeth and extending axially between front and rear faces of the disk; a plurality... Agent: Snecma
20130302172 - Space frame structure: A structure comprising a space frame including a plurality of strut sections which cross at one or more locations within the space frame to define a node at each respective crossing location, wherein the strut sections are laminates comprising a plurality of ply layers, and wherein the ply layers of... Agent:
20130302173 - Wear resistant turbine fan blade: The disclosure generally relates to a wear resistant turbine fan blade having a composite lubricated sheet adhered to a root of the turbine fan blade and having improved tribological properties at high temperatures.... Agent: E. I. Du Pont De Nemours And Company
20130302174 - Archimdean screw apparatus: An Archimedean screw apparatus for use either in power generation or for the pumping or conveying of fluid material includes a screw body formed by a shaft and at least one helical flight that is located in a close-fitting channel structure. The screw body is rotatably mounted such that the... Agent: Spaans Babcock Limited
20130302175 - Wind turbine: A wind turbine which includes at least one support platform facilitating access within an interior that is disposed in the interior bounded by an outer surface of a rotor hub and an inner surface of a spinner cover is disclosed. The at least one support platform is firmly secured to... Agent:11/07/2013 > 17 patent applications in 15 patent subcategories.
20130294911 - Method of reducing a structural unbalance in a wind turbine rotor and device for performing the method: Disclosed is a method of reducing a structural unbalance in a wind turbine rotor with pitch control and a control device for performing. A frequency component is detected resulting from the structural unbalance in the wind turbine rotor on the basis of the rotor speed signal. The multiplying the frequency... Agent:
20130294927 - System and method for covering a blade mounting region of turbine blades: A system includes a cover segment configured to mount in first and second grooves circumferentially along a blade mounting region of a turbine rotor. The cover segment includes a cover body and at least one fastener. The cover body includes first and second lips extending along first and second circumferential... Agent: General Electric Company
20130294912 - Differential pitch control to optimize co-rotating stacked rotor performance: A rotor system for a rotorcraft having at least one rotor blade pair operably associated with a differential pitch assembly operably for controlling a pitch angle of an upper rotor blade and the lower rotor blade in the rotor blade pair. Operation of the differential pitch assembly changes the pitch... Agent:
20130294913 - Turbine blade with tuned damping structure: A turbine blade is provided comprising: a root; an airfoil comprising an external wall extending radially from the root and having a radially outermost portion; and a damping structure. The external wall may comprise first and second side walls joined together to define an inner cavity of the airfoil. The... Agent:
20130294914 - Multi-element rotor blade: A main rotor assembly for a rotary wing aircraft includes a blade assembly secured to a rotor hub. The blade assembly includes a rotor blade and a slat positioned to define a slat gap between the rotor blade and the slat. One or more struts extend from the rotor blade... Agent: Sikorsky Aircraft Corporation
20130294915 - Composite modular self actuating variable pitch marine propeller: This invention provides a composite modular self-actuating, variable pitch propeller with a cylindrical hub housing assembly, a plurality of blades that automatically adjust between an initial, fixed low pitch setting and multiple higher pitch settings that occur in response to centrifugal force, water pressure, spring tension and height adjustment of... Agent: Uniprop Marine, LLC
20130294916 - Inverted tooth silent drive chain for wind turbine powertrain applications: A powertrain for a wind turbine is provided. The powertrain may include a first stage speed increaser and a second stage speed increaser in communication with the first stage speed increaser. The first stage speed increaser may include a first stage drive wheel being driven by a main shaft of... Agent: Clipper Windpower, LLC
20130294917 - Apparatuses including a rotor group and methods of damping the apparatuses: An apparatus includes a rotor group rotatable within the apparatus and a bearing assembly supporting the rotor group. A support structure supports the bearing assembly and is fixed in the apparatus. The support structure includes a support housing, an anisotropic support that engages the bearing assembly and the support housing,... Agent: Honeywell International Inc.
20130294918 - Transverse flow marine turbine with autonomous stages: The invention relates to a turbine engine including a stack of stages, each of which includes a cross-flow turbine and a generator, where each turbine-generator stage has an independent shaft, and wherein each stage is associated with an independent fairing (31-32) directing it with respect to a current, each fairing... Agent: Electricite De France
20130294919 - Method of machining surfaces of rotor disc and grinding machine therefor: A method of manufacturing turned surfaces of a rotor disc of a gas turbine engine, including rotating the rotor disc about its central axis, rotating an abrasive grinding wheel having an outer grinding surface with a hardness greater than that of a material of the rotor disc, contacting the rotating... Agent:
20130294920 - Method of making a metal reinforcing piece: A metal reinforcing piece for mounting on a leading edge or trailing edge of a composite blade for a turbine engine is made by shaping two metal sheets, positioning them on either side of a core, assembling the two sheets together around the core under a vacuum, shaping them on... Agent: Snecma
20130294921 - Adhesive for filling joints and gaps in rotor blades for wind power plants: The present invention relates to two-component polyurethane compositions which on the one hand have a long open time and, even after extended exposure to a climate with high atmospheric humidity (e.g., 70% relative humidity), even after 40 minutes and in particular even after 60 minutes, can still be glued and... Agent: Sika Technology Ag
20130294922 - Turbine system and method: Some embodiments of a turbine system described herein provide a turbine that rotates in response to off-axis fluid flow, such as water flowing in a generally horizontal direction that is generally perpendicular to a vertical axis of rotation. The rotation of the turbine can drive a generator to output electrical... Agent:
20130294924 - Method for manufacturing a turbine engine part by injection of resin under pressure: A method for manufacturing a thick turbine engine part in a composite material by injection of resin under pressure. A fiber preform is positioned in a mold, a resin composition is injected into the mold, the resin composition is polymerized in the mold so as to obtain the part, and... Agent:
20130294923 - Wind turbine rotor blade and wind turbine for wind power generation: To provide a wind turbine rotor blade capable of protecting a base material in the blade tip portion of the wind turbine blade from liquid droplet erosion due to raindrops to improve durability of the wind turbine rotor blade, thereby lengthening the interval of maintenance of the wind turbine rotor... Agent:
20130294926 - Antifouling film, air blower blade provided with same, air blower, and antifouling coating material: An antifouling film is coated on a base, and contains a binder component, conductive particles, and a fluororesin. The conductive particles are bound together by the binder component; the binder component is closely bound to the base; and the antifouling film has a comprising the conductive particles of which surfaces... Agent: Panasonic Corporation
20130294925 - Core for a composite structure and method of fabrication thereof: A flexible core (60) for a composite structure is described. The core includes a first core layer (62), a second core layer (64), and a ground plane (66) between the first and second core layers. A plurality of slits (72) is provided in the core, and each slit extends through... Agent: Vestas Wind Systems A/sPrevious industry: Rotary kinetic fluid motors or pumps
Next industry: Pumps
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