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

20080206051 - Wind turbine generator, active damping method thereof, and windmill tower: A wind turbine generator, an active damping method thereof, and a windmill tower in which vibrations of the wind turbine generator itself or the windmill tower can be reduced at low cost are provided. The acceleration due to vibrations of a nacelle (13) is detected with an accelerometer (17) attached... Agent: Kanesaka Berner And Partners LLP

20080206052 - Method and device for monitoring the state of rotor blades on wind power installations: The invention relates to a method and a device for monitoring the state of rotor blades on wind power installations. According to the invention, structure-borne noise is measured by means of at least one displacement sensor arranged on the rotor blade, the output signals of said sensors determine a frequency... Agent: Heslin Rothenberg Farley & Mesiti Pc

20080206053 - Variable angle oscillating fan: Adjusting mechanism for desired angle of an oscillating electric fan is disclosed. The adjusting knob is conveniently located about the top rear portion of the fan motor, adjacent the clutch knob. Adjusting the oscillating angle may be made when the fan is at rest, when it is running and oscillating... Agent: Esteban N. Sagucio

20080206054 - Aerofoil assembly: An aerofoil assembly comprising a plurality of rotatable blades. A damping member is disposed between at least two of the blades, each of the at least two blades having an aerofoil portion, a stem portion and a root portion. A recess is provided on two cooperating stem portions with a... Agent: Oliff & Berridge, Plc

20080206055 - Wind turbine blade: A wind turbine comprising a wind turbine blade with high lift and/or low solidity is provided. The blade is directed towards pitch regulated wind turbines, which are operated at variable rotor speed and have blades longer than about 30 meters. The blade is for example advantageous in that it may... Agent: Abelman, Frayne & Schwab

20080206056 - Modular tip turbine engine: A tip turbine engine assembly includes a compressor module (12) and a fan module (14) located aft of the compressor module (12). The compressor module (12) and fan module (14) are fastened together along a mating portion with seals that generally prevent airflow from escaping through the mating portion. The... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080206057 - Blade shroud vibration monitor: A method for predicting a blade structure failure within a coupled blade structure including a plurality of blades supported for rotation on a rotor and a shroud structure coupling the blades. The method includes the steps of determining displacements of a plurality of predetermined circumferential locations on the shroud structure... Agent: Siemens Corporation Intellectual Property Department

20080206058 - Method for reducing vibration levels of a bladed wheel in a turbomachine: The present invention concerns a method for reducing vibration levels likely to occur in a turbomachine comprising at least a first and a second bladed wheel, where the two wheels are moving relative to one another about an axis of rotation and a gaseous fluid is passing over them, due... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080206059 - Method of manufacturing a wind turbine blade shell member with a fastening member and a wind turbine blade with a fastening member: A method of manufacturing a wind turbine blade shell member (2) having an incorporated fastening member (4) near the root is provided. According to the method, a fastening member 4 is positioned in a mould (14) with pre-fabricated sticks (8, 10) surrounding a substantial longitudinal part of the fastening member... Agent: Stites & Harbison Pllc

20080206060 - Forming firtree profiles: A firtree profile, for example on a component of a gas turbine engine, is formed in a two-stage process. In one stage, an intermediate profile is formed, for example by a mechanical machining operation such as grinding. Subsequently, in a second stage, loaded flanks 16, 18 of the profile are... Agent: Oliff & Berridge, Plc

20080206061 - Optimized aerodynamic airfoil for a turbine blade: Optimized aerodynamic airfoil for a turbine blade When cold and in the uncoated state, the aerodynamic airfoil is substantially identical to a nominal airfoil determined by the Cartesian coordinates X, Y, Z′ given in Table 1, in which the coordinate Z′ is the ratio D/H where D is the distance... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080206062 - Wind turbine multi-panel blade: A wind turbine blade (1, 3, 5) comprising at least one central spar longitudinal section (7, 7′, 7″) composed of two cap prefabricated panels (15, 17) and two web prefabricated panels (19, 21) placed side by side in a box shape and at least two shell longitudinal sections (5, 5′,... Agent: Ladas & Parry LLP

20080206063 - Method and apparatus for assembling blade shims: A method for assembling a stator assembly for a turbine engine is provided. The method includes providing a blade with a base including an end wall having at least one hole defined therein and providing a shim having at least one aperture extending therethrough. The shim aperture is aligned with... Agent: John S. Beulick (17851)

20080206064 - Rotorcraft blade provided with a radial segment and with at least one forwardly-and/or rearwardly-swept segment: The present invention relates to a rotorcraft blade (P) provided in succession with a radial segment (1) and then a swept segment (2), said swept segment (2) being provided with at least one forwardly-swept segment (2′) and/or rearwardly-swept segment (2″). In addition, the blade has a single spar coming from... Agent: Young & Thompson

20080206065 - Turbine bucket: The turbine bucket is for a steam turbine low-pressure final stage and has an exhaust area exceeding 9.6 m2 (13.8 m2) in steam-turbine final-stage buckets for a rated speed 3600 rpm (3000 rpm) machine. The turbine bucket is made of martensite steel. A blade portion of the turbine bucket has... Agent: Mattingly, John Mattingly Stanger And Malur Pc

20080199314 - Wind driven power system: A wind driven power system employing multiple arms adapted to rotate about a central structure, each arm having a series of panels pivotally connected thereto and adapted to open and close as the system rotates to perpetuate the rotational movement and to produce energy.... Agent: James W. Hiney, Esq.

20080199315 - Wind turbine, a hub for a wind turbine and use hereof: w

20080199316 - Rotor blade structure for a pneumatic device: The rotor blade structure for the pneumatic devices includes a blade mounted into the preset chamber of a drive rotor of a pneumatic device. The blade with predefined edge and thickness has an assembly side, an external side and two windshield surfaces. At least one windshield surface is provided with... Agent: Egbert Law Offices

20080199317 - Local indented trailing edge heat transfer devices: A turbine engine component has an airfoil portion having a pressure side and a suction side, a trailing edge discharge slot, and a suction side lip downstream of an exit of the trailing edge slot. The suction side lip is provided with negative features for increasing local heat transfer coefficient... Agent: Bachman & Lapointe, P.C. (p&w)

20080199318 - Adjustment device for adjusting propeller blades of a propeller pump and a propeller pump including such a device: The present invention relates to an adjustment device for adjusting the pitch angle of the propeller blades (4) of a propeller pump (1) and a propeller pump incorporating such a device. The adjustment device comprises adjustment means (5; 25; 35) mounted within the hub (2) arranged to be axially movable... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080199319 - Water pump impeller: The invention refers to an impeller, consisting of plastic, which Is intended for a coolant pump of an internal combustion engine. The impeller, which has a multipart construction, comprises a back wall, which is connected in one piece to guide vanes and also to a hub, and also a separate... Agent: Lucas & Mercanti, LLP

20080199320 - Detachable leading edge for airfoils: A replaceable leading edge insert for an: integrally bladed rotor disk in which the insert includes an enlarged base portion that can be inserted into a dovetail shaped slot formed in the rotor disk to secure the insert to the rotor disk against centrifugal loads during the operation of the... Agent: John Ryznic

20080199321 - Parabolic radial flow impeller with tilted or offset blades: An impeller assembly, comprising a generally planar disc oriented in a first plane and having a circular outer edge; and a plurality of blades mounted to the disc and extending beyond the edge of the disc, with the blades in cross-section having a shape that is substantially symmetrical along a... Agent: Baker & Hostetler LLP

20080193291 - Descendable ceiling fixture: The present invention includes a base, a functioning unit, and a lowering assembly. The functioning unit may be a light fixture or a ceiling fan. The functioning unit is movable between a first configuration adjacent the base and a second configuration separated therefrom. The lowering assembly includes a plurality of... Agent: Harshaw Research, Inc.

20080193292 - Rotor blade with a lightning protection unit, wind energy system having the same and a method for constructing a rotor blade: A rotor blade for use in a wind energy system is provided with the rotor blade having a rotor blade body comprising a rotor blade body tip; a rotor blade body cavity; and a lightning protection unit. The lightning protection unit includes a conductive part that is connected to a... Agent: General Electric Co. Global Patent Operation

20080193293 - Bladed disk assembly method and impact device: A bladed disk assembly device includes a horizontal arm and a fixed vertical pivot bar that is perpendicularly attached to a first end of the horizontal rotating arm via a sliding coupling mechanism. A vibratory impact device is attached to a second end of the horizontal rotating arm and generates... Agent: Kinney & Lange, P.a.

20080193294 - Industrial ceiling fan: A large industrial ceiling fan includes exceptionally long fan blades with blade tips that can be tilted upward to more broadly distribute the air. Such broad distribution might be particularly beneficial in cases where the fan is installed relatively low to avoid obstacles such as hanging lights, sprinkler heads and... Agent: Hanley, Flight & Zimmerman, Llc

20080193295 - Wind energy plant with a rotor hub: A wind energy plant with a rotor hub which is connected to at least one pitch bearing, and with at least one rotor blade, the blade root of which is connectable to the pitch bearing via joining means, wherein a stiffening element is provided, which is arranged between the rotor... Agent: Vidas, Arrett & Steinkraus, P.a.

20080193296 - Turbine wheel of turbocharger: A hot wheel of a turbocharger formed by precision casting, including a shaft-shaped hub part disposed at a radially central portion thereof; a plurality of vane parts formed on a periphery of the hub part; an wrench boss formed at a top end of the hub part; and a boss... Agent: Oliff & Berridge, Plc

20080193297 - Delivery unit: A delivery unit for delivering fuel from a tank to the internal combustion engine of a motor vehicle comprises an impeller revolving in a pump chamber. The impeller, on at least one end face, has a ring of blades spaced apart from one another in the circumferential direction. The impeller... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080193298 - Treatment of turbine blades to increase hardness: Turbine blades, including airfoils, of aviation or industrial gas turbine engines are treated with boron to improve surface hardness and/or durability. Both stainless steel components and titanium components may be treated with boron. Elemental boron is diffused into the surface of the blade or other component, forming FeB and Fe2B... Agent: Schiff Hardin, LLP Patent Department

20080187440 - Wind turbine: Wind turbine that is provided with a rotor (6) with propeller blades (7) with adjustable angles of incidence provided on the rotor (6) in such a manner that they can rotate round their longitudinal axes, and which are provided with a drive (9) and a primary control (10) to adjust... Agent: Young & Thompson

20080187441 - Fan blade made of a textile composite material: A gas-turbine engine fan blade made of a textile composite material includes short carbon fiber intermediate layers (8) for forming the blade root arranged between splayed carbon fiber layers (7) in the blade root (2). In a compressive stress-affected zone (11) of the blade root, the fiber layers extend parallel... Agent: Timothy J. Klima Harbin King & Klima

20080187442 - Rotor blade trailing edge assembly and method of use: A method of assembling a rotor blade for a turbine is provided that includes forming a rotor blade trailing edge by coupling a suction side terminus to a pressure side terminus and positioning a trailing edge assembly between the suction side terminus and the pressure side terminus, the trailing edge... Agent: Patrick W. Rasche (22402)