Fluid reaction surfaces (i.e., impellers) inventions 12/08

20080317597 - Domed tip cap and related method: A bucket for a turbine includes a dovetail mounting portion, a shank portion defined at a radially outer end thereof by a platform, and an airfoil portion extending radially outward of the platform. The airfoil portion has a radially outer end closed by a tip cap having a non-planar shape... Agent: Nixon & Vanderhye, PC

20080317598 - Power loss reduction in turbulent wind for a wind turbine using localized sensing and control: A wind turbine blade assembly includes at least one local load sensor disposed on and/or within a surface of the wind turbine blade and at least one active flow modification device disposed on and/or within a surface of the wind turbine blade and configured to alter the aerodynamics of the... Agent: General Electric Company Global Research

20080317599 - Blade for a horizontal-axis wind generator: The invention relates to a blade for a horizontal-axis wind generator consisting of two flattened bodies which are arranged opposite one another in longitudinal convergence towards the tip without making contact with one another, said bodies being attached by means of an intermediate latticework formed by ties (3) with an... Agent: Lucas & Mercanti, LLP

20080317600 - Wind turbine rotor blade with vortex generators: A wind turbine rotor blade with an airfoil having a suction side and a pressure side is provided. The airfoil comprises an inner airfoil portion and an outer airfoil portion, where the inner airfoil portion is comparatively thicker than the outer airfoil portion and provided with vortex generators. The thickness... Agent: Siemens Corporation Intellectual Property Department

20080317602 - Article having a vibration damping coating and a method of applying a vibration damping coating to an article: A compressor blade (30) comprises a vibration damping coating (54) on a first surface of at least one portion of an erosion resistant material (56). The vibration damping coating (54) comprises a plurality of segments (58). The portion of erosion resistant material (56) and the vibration damping coating (54) are... Agent: Oliff & Berridge, PLC

20080317601 - Turbomachine blade with erosion and corrosion protective coating and method of manufacturing: A turbomachine blade (1) includes a blade body (2) and a corrosion and erosion protective multilayered coating (11) bonded thereto, the multilayered coating (11) including an erosion resistant first layer (3) at least covering a corrosion and erosion critical area (5) of the blade body (2) and a sacrificial second... Agent: Cermak Kenealy & Vaidya LLP

20080310959 - Ceiling fan: A ceiling fan, including a plurality of blades, wherein at least one surface of at least one blade in the plurality of blades is covered by a decorative motif.... Agent: Ethan D. Civan

20080310962 - Air-jet propeller: The invention relates to an air-jet propeller comprising three bodies. The first body or head takes the form of a half-ellipse, the upper part of which is provided with a grille, while the lower part thereof is closed at one section, said first body being equipped with a closure ring.... Agent: Milbank, Tweed, Hadley & Mccloy LLP

20080310965 - Gas-turbine blade featuring a modular design: A gas-turbine blade has a root 5 and an airfoil 2, with the airfoil 2 including an internal load carrier 6 as well as an airfoil element 8 enclosing the internal load carrier 6 by forming a cavity 7 extending along the longitudinal blade axis. The load carrier 6 is... Agent: Timothy J. Klima Harbin King & Klima

20080310960 - Cross-flow fan impeller for a transversley excited, pulsed, gas discharge laser: A cross-flow fan impeller for circulating gas in a transversely excited, pulsed, gas discharge laser is disclosed and may comprise a plurality of hubs, the hubs spaced apart along the impeller's rotation axis and establishing at least two impeller segments wherein a first segment has an output flow within 80-120%... Agent: Matthew K. Hillman Cymer, Inc., Legal Dept.

20080310961 - Blade shroud with protrusion: A fluid-flow machine has a main flow path, in which at least one row of blades (1) is arranged, and a shroud (2) embedded in a cavity (3) of a component, with the component and the blades being in rotary movement relative to each other. The shroud (2), as referred... Agent: Harbin Kilma Law Group PLLC

20080310963 - Rotary blood pump: Various “contactless” bearing mechanisms including hydrodynamic, hydrostatic, and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. These design features may be combined. In one embodiment, the pump apparatus includes a rotor having a bore, a ring-shaped upper rotor bearing magnet, and a ring-shaped lower... Agent: Inskeep Intellectual Property Group, Inc.

20080310964 - Stuctural beam for a wind generator blade production method thereof: r

20080304962 - Driving device for raising or lowering an airfoil: A wind turbine assembly with a driving device for raising and lowering a wind turbine between a lower end and an upper end of a wind turbine tower comprises a guide member extending longitudinally along the outer surface of the tower, a sleeve member coupled to the wind turbine, and... Agent: Kinney & Lange, P.A.

20080304963 - Tilting flaps to drive wind power generators or gearboxes: In order to use wind energy to drive a wind power generator or gearbox we usually use a certain sort of propeller rotates in a plane perpendicular to the wind direction. The “Tilting flap” is a new means to be used to achieve the same task but in more efficient... Agent: David M. Ostfeld Adams And Reese, LLP

20080304971 - Method of manufacturing a fibre-reinforced part for a wind power plant: The invention relates to a method of manufacturing fibre-reinforced parts for a wind power plant such as eg a blade, wherein the method comprises laying out a first, outermost layer of film in the interior surface of an open mould; following which different layers are arranged on top of the... Agent: Day Pitney LLP

20080304964 - Horizontal axis wind turbine: To provide a horizontal axis wind turbine capable of reducing flutter, and by extension, reducing the load on the wind turbine, without controlling the yaw, regardless of the direction of the wind relative to the nacelle. When the wind speed is above a specific value, the yaw angle of the... Agent: Haynes And Boone, LLP

20080304965 - Oscillating windmill: In a preferred embodiment, pairs of oscillating wind paddles are mounted in the lee of a wind turbine of the lift type. An oscillating wind paddle assembly has an upper pair of paddles moving between a first position at substantially right angles to the direction of wind and a second... Agent: Polster, Lieder, Woodruff & Lucchesi

20080304966 - Concealed rotary fan: The concealed rotary fan includes a rotary vane, a drive motor and a base. The drive motor is assembled into the base. The first end of the drive motor with the revolving shaft can be assembled onto a front support in a rotary state. The second end of the drive... Agent: Egbert Law Offices

20080304967 - Actuation system, helicopter using the same, and controlling method therefor: An actuation system includes a pump assembly configured to form a pump chamber; an actuator having first and second chambers and a movable member and configured to convert pressures applied to the first and second chambers into a movement of the movable member; and a valve section. A controller controls... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080304968 - Vertical-axis turbine for capturing the force of moving gases or liquids and a method for its use: A vertical-axis turbine is provided, which comprises two or more arc-shaped blades which can pivot so as to decrease drag and maximize the force collected by each blade from moving gas or liquid. These arc-shaped blades can also be capable of directing moving gas or liquid from one blade to... Agent: Muskin & Cusick LLC

20080304969 - Built-in swing mechanism of rotary fan: The present invention provides an improved built-in swing mechanism of a rotary fan. The mechanism includes a ball-and-socket support frame, arranged onto front wall of the main casing corresponding to the axle center of a drive motor and provided with a spherical supporting surface and a through-hole. A spherical abut... Agent: Egbert Law Offices

20080304970 - Pump with rotating inlet: A device for use in a molten metal pump helps alleviate jams between a rotating rotor and stationary inlet. The device includes an inlet structure including one or more openings and a displacement structure that preferably includes one or more rotor blades. The inlet structure and displacement structure are connected... Agent: Squire Sanders & Dempsey LLP

20080304972 - Rotary body for turbo machinery with mistuned blades: A rotary body for use in a turbo machine includes a hub having an outer edge and a plurality of slots formed in the outer edge, the slots having first and second spaced-apart opposing inner surfaces extending from the outer edge to a depth within the hub, and a plurality... Agent: Honeywell International Inc.

20080304973 - Propeller blade retention system with tapered roller bearing cartridge assemblies: A propeller blade mounted with a preload adjacent a propeller blade root retention which increases the moment capacity of the retention for a given pitch diameter, yet permits pitching of the propeller blade about a blade axis in response to a propeller pitch change actuation system. The propeller blade retention... Agent: Carlson, Gaskey & Olds, P.C.

20080304974 - First stage dual-alloy turbine wheel: A first-stage turbine that is adapted for receiving high energy air directly from a combustion chamber in a gas turbine engine auxiliary power unit includes a disk formed from a first alloy and having an outer surface, and a unitary blade wheel formed from a second alloy that is different... Agent: Honeywell International Inc.

20080304975 - Method for producing abrasive tips for gas turbine blades: A method of attaching particles to a substrate, comprising the steps: providing a substrate having a surface providing an interlayer on the surface which conforms to the surface of the substrate, forming a melt pool in the interlayer, depositing a material within the melt pool, allowing the material to solidify,... Agent: Mccormick, Paulding & Huber LLP

20080298962 - Method and apparatus for reducing bird and fish injuries and deaths at wind and water-turbine power-generation sites: A simple system is provided to dramatically reduce the number of bird fatalities and injuries, as these are bird-kills that man should be able to do something about. Essentially, the inventive apparatus comprises one or more instantaneously inflatable mini-airbags on turbine blade leading edges which, in the “stowed position” are... Agent: David W. Collins Intellectual Property Law

20080298963 - Method and device for controlling load reduction for a wind turbine rotor: A method for controlling load reduction for a wind turbine rotor with rotor blades comprising an aerodynamic active element responsive to a control signal for modifying its setting is provided. The loads acting on the rotor blades in relation to the rotor's azimuth are detected and individual control signals based... Agent: Siemens Corporation Intellectual Property Department

20080298964 - Method for prolonging and/or controlling the life of one or more heat generating and/or passive components in a wind turbine, a wind turbine, and use thereof: The invention relates to a method for prolonging and controlling the life of components associated with a wind turbine, by controlling the cooling down procedure of the components. Gradually lowering the temperature of the components reduces the number of temperature fluctuations of the component, thus extending the life of the... Agent: St.onge Steward Johnston & Reens LLC

20080298965 - Wind drum: The Wind Drum is a cylinder shaped wind utilization machine primarily used for electricity generation. Instead of a solid wall attaching the top and bottom circular plates are eight rods spaced equally around the circumference of the top and bottom circular plates. Now you have a drum shape you can... Agent: Michael Alen Keena

20080298966 - Dynamically balanced molded blade assemblies for blowers and fans: Dynamically balanced molded blade assemblies may be formed. A face plate of a dynamically balanced molded blade assembly may have one or more openings and/or one or more protrusions so that the blade assembly is within acceptable balance tolerance when rotated by a motor shaft of a fluid moving device.... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20080298967 - Wind turbine blade with anti-noise devices: A wind turbine comprising at least a blade (11) having an aerodynamic profile with a leading edge (13), a trailing edge (15) and suction and pressure sides between the leading edge (13) and the trailing edge (15) that includes an anti-noise device (31) placed on the suction side formed by... Agent: Ladas & Parry LLP

20080298968 - Fan assembly having protective motor housing that accommodates cyclic movement: A fan includes a frame and a motor having (i) a motor structure that is movable in relation to the frame in a path of movement, and (ii) an output shaft that is rotatable in relation to the motor structure. The fan further includes at least one fan blade coupled... Agent: Maginot, Moore & Beck, LLP Chase Tower

20080298969 - Stator-rotor assembly having surface feature for enhanced containment of gas flow and related processes: A stator-rotor assembly which includes at least one interface region between the stator and rotor is described. At least one stator or rotor surface in the interface region includes a pattern of inverted turbulators. The inverted turbulators restrict gas flow through a gap between the stator and the rotor. Various... Agent: General Electric Company Global Research

20080298970 - Turbo machine: A turbo machine (1, 101), in particular turbine or compressor, includes a rotor (2, 102) which has at least one moving blade row (4, 104) with a plurality of moving blades (5, 105), and a stator (3) which has at least one guide vane row (6, 106) with a plurality... Agent: Cermak Kenealy & Vaidya LLP

20080298971 - Anchorage system for the rotors of a rotating fluid machine: An anchorage system is described for a rotor (18) of a rotating fluid machine (10). The rotor (18) has a profile which comprises a first front surface (24) substantially concave and a second rear surface (26) substantially convex, opposite to the first front surface (24). The rotor (18) also has... Agent: General Electric Company Ge Global Patent Operation

20080298972 - Rotor disk for turbomachine fan: A rotor disk (10) for a fan in a turbomachine, comprising in its perimeter a plurality of essentially axial grooves (22) for the installation and retention of vane roots (20) having hooks at their downstream ends, deformable regions formed by cavities (34) being situated at the downstream end of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080298974 - Blade of a fluid-flow machine featuring a multi-profile design: A blade of a fluid-flow machine has a cross-section, which in at least one part of the blade height in at least one flow-line profile section is formed by at least two partial profiles separated from each other, with each of the individual partial profiles having the shape of a... Agent: Harbin Klima Law Group PLLC

20080298973 - Turbine vane with divided turbine vane platform: A turbine vane with endwalls, wherein at least one endwall is formed from two or more sections configured such that the sections form releasable joints with a generally elongated airfoil of the turbine vane. The sections may be configured to both support the generally elongated airfoil and to establish cooling... Agent: Siemens Corporation Intellectual Property Department

20080298975 - Turbine airfoils with near surface cooling passages and method of making same: The present invention provides near-surface cooled airfoils that can be made with near-surface cooling passages that are completely free of any leachable or otherwise sacrificial material in the recessed portion of the outer surface of the core. The turbine airfoil comprises a metallic core or substrate having an outer surface... Agent: Siemens Corporation Intellectual Property Department

20080298976 - Blade of a turbomachine: A blade of a turbomachine, in particular of a gas turbine, is disclosed. The blade includes at least one fastening section for fastening the same in a locating section of a rotor-side or stator-side component of the turbomachine. The, or each, fastening section has a core region which is made... Agent: Crowell & Moring LLP Intellectual Property Group