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

20070172354 - Blade or vane for a turbomachine: A component defines a blade or a vane for a rotor rotatable about a rotary axis. An inner space of the component is limited by first and second walls, and forms a passage for a cooling fluid. First and second ribs project form the first and second walls, respectively, and... Agent: Siemens Corporation Intellectual Property Department

20070172355 - Microcircuit cooling with an aspect ratio of unity: A turbine engine component having improved cooling is provided. The turbine engine component includes an airfoil portion having a leading edge, a trailing edge, a pressure side, a suction side, a root, and a tip, and at least one cooling circuit in a wall of the airfoil portion. The at... Agent: Bachman & Lapointe, P.C. (p&w)

20070172356 - Dual fan assembly: A dual fan assembly includes two fans connected to a motor casing and a synchronous motor is received in the motor casing and has an eccentric output shaft. A connection unit includes a shaft which extends through the motor casing and is connected to the seat. A rotation mechanism received... Agent: Rosenberg, Klein & Lee

20070172357 - Generator rotor crack propagation prediction system and operation conditions determination support system, method, and program, and operation control system: An object of the present invention is to control crack propagation, either by predicting shaft dovetail crack propagation with high accuracy, or by determining operation conditions under which the crack does not extend. The crack propagation prediction system includes an operation processing unit, an interface unit, and a memory unit.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070172358 - Protection of surfaces against cavitation erosion: Protection of a water solid interface from cavitation, pitting, or the like, is achieved by the introduction and maintaining of bubbles on and/or along the surface of the solid exposed to the liquid. To facilitate the maintaining, selectively placed protrusions and other deformations to the surface are introduced along with... Agent: Siemens Schweiz Ag I-47, Intellectual Property

20070166160 - Rotatable pivot mount for fans and other appliances: A pivot assembly that can be used with various appliances. The pivot assembly provides up to three degrees of freedom when positioning the appliance. The pivot may be used, for example, with a fan that is mounted on a base such that direction of the airflow generated can be adjusted... Agent: Darby & Darby P.C.

20070166159 - Wind turbine: A fluid turbine, such as a wind or hydro turbine, for generating electrical power, the turbine having a rotor assembly comprising a hub, a rim and a plurality of tensioned cable members joining them together, the cable members being grouped into sets to define a plurality of supports for individual... Agent: Rogers Towers, P.A.

20070166161 - Turbine airfoil with improved cooling: A turbine airfoil includes an outer wall and a plurality of cooling passages or minicores formed in the outer wall. A web separates each adjacent pair of the minicores. In order to provide more effective, even cooling of the airfoil, a baffle inside the airfoil includes a plurality of outlets... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070166162 - Helicopter pitch link with accessible adjustment features: A helicopter pitch link assembly as described herein includes a length adjustment mechanism, such as a turnbuckle, that is accessible when the pitch link assembly is installed on a helicopter that utilizes a weather cover or canopy and a protective boot. The adjustment mechanism extends above the canopy and the... Agent: Ingrassia Fisher & Lorenz, P.C.

20070166164 - Removable sensor support for a hollow-rotor helicopter: The present invention relates to a support (20, 24, 26) for a stationary article surmounting a helicopter rotor (11), which support comprises a hollow structure presenting a longitudinal axis (25); the hollow structure comprises two hollow parts (20, 24) of elongate shape along said longitudinal axis that are designed to... Agent: Young & Thompson

20070166163 - Rotor hub fairing system for a counter-rotating, coaxial rotor system: A rotor hub fairing system includes an upper hub fairing, a lower hub fairing and a shaft fairing therebetween. The rotor hub fairing system reduces the total drag on a dual, counter-rotating, coaxial rotor system. Other aerodynamic structures may be mounted to the shaft fairing, hub fairings and airframe to... Agent: Carlson, Gaskey & Olds, P.C.

20070166166 - Cooling fan for radiator: A cooling fan is disclosed to have a hollow hub, and a plurality of blades respectively radially extending from and equiangularly spaced around the periphery the periphery of the hollow hub, the blades each having a distal end joined to one another to form a rim.... Agent: Rosenberg, Klein & Lee

20070166165 - Cooling fan for vehicle radiator: A cooling fan is disclosed to have a hollow hub, a rim spaced around the hollow hub, and a plurality of blades equiangularly spaced around the hollow hub and respectively connected between the hollow hub and the rim, each blade curving from the hollow hub in a positive sloping and... Agent: Rosenberg, Klein & Lee

20070166167 - Multi-fan assembly with an oscillating structure: The present invention relates to a multi-fan assembly with an oscillating structure comprising a base body, a mounting seat, a differential mechanism, an oscillating link system, and a down rod. When the differential mechanism rotates the oscillating system, the base body of the multi-fan assembly and the mounting seat will... Agent: Charles E. Baxley, Esq.

20070160472 - Additional drive system by diverting a fluid flow: The invention relates to the use of a drive system worlding on the basis of the Magnus Effect which is used to provide a drive mechanism in addition to an existing drive device. The aim of the invention is to produce a drive directly in front of the front impacting... Agent: Duane Morris, LLPIPDepartment

20070160473 - 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.

20070160474 - Regulation structure, separation device and gradient forming device, and microchip using the same: Provided is a regulation structure (204), comprising a first flow channel (101) in which a first liquid flows, a blocking unit (104) which communicates with the first flow channel (101) and blocks the first liquid, and a second flow channel (102) introducing a second liquid to the blocking unit (104),... Agent: Dickstein Shapiro LLP

20070160475 - Tilted turbine vane with impingement cooling: A turbine airfoil having enhanced cooling capabilities. The turbine vane may be configured such that when a generally elongated airfoil of the turbine vane is attached to a turbine engine, a longitudinal axis of the generally elongated airfoil may be positioned nonparallel relative to a radial axis of the turbine... Agent: Siemens Corporation Intellectual Property Department

20070160476 - Turbine component trailing edge and platform restoration by laser cladding: A method of restoring a gas turbine engine component includes depositing a filler material onto a sulphidation section of an underside of a turbine engine platform and laser consolidating the filler material to produce a restored surface on the underside. The sulphidation section includes sulphidation pit portions that are filled... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070160478 - Fan blade with non-varying stagger and camber angels: A fan blade is described having a substantially non-varying stagger angle along its radial length. In one embodiment, a fan blade has a substantially non-varying stagger angle and a substantially non-varying camber angle along its radial length. In another embodiment, each airfoil section of the blade has at least substantially... Agent: Townsend And Townsend And Crew, LLP

20070160477 - Vertical axis fluid actuated turbine: A vertical axis fluid-driven turbine includes opposing wings having auto-rotating blades. Airfoils on the blades rotate the blades along their longitudinal axis between a horizontal drag-minimizing position, and a vertical fluid-catching position, as the wings rotate in the horizontal plane about the vertical driveshaft.... Agent: Edward Yoo C/o Bennett Jones

20070160479 - Methods of making wind turbine rotor blades: A method of manufacturing a root portion of a wind turbine blade includes, in an exemplary embodiment, providing an outer layer of reinforcing fibers including at least two woven mats of reinforcing fibers, providing an inner layer of reinforcing fibers including at least two woven mats of reinforcing fibers, and... Agent: Patrick W. Rasche (22402)

20070154311 - Method for torque and pitch control for a wind power plant according to the rotation speed: Method for torque and pitch control/adjustment for a wind power plant according to the rotational speed according to a characteristic curve, in which at partial load operation in a first section the torque is adjusted up to a first predetermined rotational speed, at partial load operation in a second section... Agent: Vidas, Arrett & Steinkraus, P.A.

20070154310 - Method for operating a wind turbine: The present invention relates to a method for operating a wind turbine with the steps: detection of the values of predetermined operating parameters by means of suitable sensors, detection of at least one predetermined initial condition, comparison of the detected values to stored values of the operating parameters. The invention... Agent: Seed Intellectual Property Law Group PLLC

20070154312 - Turbomachine blade with fluidically cooled shroud: A turbomachine blade, in particular a turbine blade of a gas turbine includes a blade root with a cooling-fluid feed, a blade tip formed with a shroud element. At least one throughflow passage which extends in the blade longitudinal direction is arranged inside the airfoil. A shroud cooling passage is... Agent: Darby & Darby P.C.

20070154313 - Insert with sleeve for a molded impeller: An impeller assembly includes a molded impeller and an insert within the impeller. The insert includes an unthreaded sleeve and a shoulder adjacent the sleeve for locating the impeller and the insert during manufacturing and installation. Methods of manufacturing and installing are also disclosed.... Agent: Senniger Powers

20070154314 - Reduction of tonal noise in cooling fans using splitter blades: Disclosed is a hub of an axial fan. The hub includes primary fan blades and splitter blades disposed between pairs of the primary fan blades. The resulting hub has been observed to reduce tonal noise during fan operation.... Agent: Townsend And Townsend And Crew, LLP

20070154315 - Ceiling fan with high efficiency ceiling fan blades: A ceiling fan including a motor having a rotatable rotor, a plurality of ceiling fans blades having a thickness, the blades connected to the rotor to rotate therewith and each of the ceiling fan blades comprising a thin edge along its leading edge that is thinner than the thickness of... Agent: Holland & Knight LLP Attn: Stefan V. Stein/IPDept.

20070154316 - Airfoil for a third stage nozzle guide vane: The present invention provides an airfoil for a third stage nozzle guide vane having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes... Agent: Krieg Devault LLP

20070154317 - Wind turbine blades and methods of attaching such blades to a hub: A wind turbine blade assembly is provided. The assembly includes at least one wind turbine blade. The blade includes a blade root portion. The assembly also includes at least one blade root hub fitting coupled to the blade root portion. The blade root hub fitting is configured to couple to... Agent: John S. Beulick (17851)

20070154318 - Airfoil for a first stage nozzle guide vane: The present invention provides an airfoil for a first stage nozzle guide vane having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes... Agent: Krieg Devault LLP