Fluid reaction surfaces (i.e., impellers) inventions 04/08

20080095620 - Sync method for reducing fan noise: A system and method for reducing noise generated by a plurality of fans for moving air includes setting a first fan of the plurality of fans at a predetermined speed; setting a second fan of the plurality of fans at the predetermined speed; and configuring the second fan of the... Agent: Osha Liang L.L.P./sun

20080095621 - Modular wind turbine with multiple micro wind turbine units: A modular wind turbine is formed from a plurality of micro core wind turbines that may be assembled to form a plurality of micro wind turbine units. The micro wind turbine units may be differently arrayed and assembled to create different configurations for the modular wind turbine, so that the... Agent: Chi, Yung-hsin

20080095636 - Turbine component with tip flagged pedestal cooling: A turbine blade for a gas turbine engine is provided with improved cooling at a radially outer portion of the trailing edge. A tip flag path is provided with a first pedestal array to increase the heat transfer at the area. In addition, a second pedestal array replaces the metering... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080095635 - Vane with enhanced heat transfer: A vane cluster has a coated metallic substrate. The cluster includes a platform and a shroud. At least first and second airfoils extend between an outer face of the platform and an inner face of the shroud. Each airfoil has a pressure side and a suction side. The pressure side... Agent: Bachman & Lapointe, P.C. (p&w)

20080095622 - Gas turbine airfoil with leading edge cooling: A gas turbine airfoil (1) includes a pressure sidewall (15) and a suction sidewall (16), extending from a root to a tip and from a leading edge region to a trailing edge and having at least one cooling passage between the pressure sidewall (15) and the suction sidewall (16) for... Agent: Cermak Kenealy & Vaidya LLP

20080095623 - Counter-rotating fan: A counter-rotating axial fan includes two impellers each having a plurality of blades and two motors for rotating the impellers, respectively. The impellers are rotated by the respective motors in directions opposite to each other. The impellers and the motors are surrounded by a housing which defines an air path... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080095625 - Electro-magnetic closed-loop speed control for air-turbine spindles: A method an apparatus for providing speed control in a spindle system are provided. The apparatus includes an air turbine spindle that rotates at a speed, an electromagnetic device coupled to the spindle for creating a torque to maintain a desired speed of the spindle, and a tachometer for generating... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20080095626 - Fan wheel and electric motor: This present invention relates to a fan wheel for an electric motor which fan wheel comprises fan vanes and a cylindrically arranged hub wherein said hub consists of a rigid fixing section for attachment to a drive shaft of the electric motor on the one hand and of a flexible... Agent: Birch Stewart Kolasch & Birch

20080095624 - Lightning protection of wind turbines: A rotor blade for a wind turbine is described. The rotor blade includes a lightning protection system. Thereby, the rotor blade body includes a non-conductive material, at least one receptor adapted to be a location for lightning impact, an insulated down conductor element within the rotor blade body, wherein the... Agent: General Electric Co. Global Patent Operation

20080095627 - Fan blades having variable pitch compliantly responsive to a linear actuator: A variable pitch fan blade mechanism, particularly well suited for automotive applications, wherein the blade pitch is compliantly responsive to selective actuation of a linear actuator. A linear actuator is disposed in the fan shaft composed of an electric drive component drivingly engaged with a follower component, a set of... Agent: General Motors Corporation Legal Staff

20080095628 - Close coupled gearbox assembly for a tip turbine engine: A gearbox assembly (90) closely couples a fan-turbine rotor assembly (25) and an axial compressor rotor (46) to reduce the overall engine length and minimizes the number of engine bearings.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080095629 - Centrifugal fan: A centrifugal fan includes a space in which the dimension between a shroud-facing wall and a shroud, from the outer peripheral side to the inner peripheral side of the shroud, is substantially uniform, wherein the shroud-facing wall includes a recess extending in the circumferential direction, the recess being disposed at... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080095630 - Blade wheel for a sewage pump: A blade wheel for a sewage pump has a top plate and multiple curved blades radially attached to the top late. The top plate is adapted to perpendicularly combine with a main shaft of a motor and has a shaft hole with a slit at a center on the top... Agent: Kamrath & Associates P.A.

20080095631 - Vertical axis wind turbine with twisted blade or auxiliary blade: A vertical axis wind turbine (1) comprises three vertically extending sails (8) where each sail (8) comprises a strip (80) of substantially constant width. The opposite ends of each sail (8) are longitudinally twisted to have a pitch angle of approximately 90 degrees. The turbine (1) further comprises a vertically... Agent: Connolly Bove Lodge & Hutz LLP

20080095632 - Turbomachine rotor blade and a turbomachine rotor: A turbomachine rotor includes a plurality of turbomachine rotor blades. The turbomachine rotor has a plurality of firtree shaped slots in its radially outer periphery to form a plurality of rotor posts. The turbomachine rotor blades have correspondingly shaped firtree roots to fit in the firtree shaped slots in the... Agent: Oliff & Berridge, PLC

20080095633 - Fan blade: t

20080095634 - Multi-stage turbine using steel and aluminum blades: A multistage turbine having one or more input stage fan blades formed of aluminum and having one or more output stage fan blades formed of steel. One or more intermediate stages may be formed of aluminum or steel or a combination thereof.... Agent: Faegre & Benson LLP Patent Docketing

20080089786 - Counter-rotating integrated propeller assembly: A multiple counter-rotating propeller assembly includes a drive shaft, a first propeller and a second propeller. The first propeller has a first hub which is supported on the drive shaft and which is freely rotatable with respect to the drive shaft, a plurality of first blades mounted on the hub,... Agent: Rankin, Hill & Clark LLP

20080089787 - Blade outer air seals: A blade outer air seal (BOAS) has a body having an inner (ID) face and an outer (OD) face, first and second circumferential ends, and fore and aft longitudinal ends. The BOAS has one or more mounting hooks extending from the body. The OD face comprises a plurality of transversely... Agent: Bachman & Lapointe, P.C. (p&w)

20080089788 - Part span shrouded fan blisk: Including a disk, a plurality of circumferentially spaced apart airfoils extending radially outwardly from the disk, a plurality of shroud segments being disposed circumferentially between the plurality of airfoils and configured to attach to a corresponding airfoil of the plurality of airfoils and a plurality of wear surfaces, where at... Agent: Mcnees Wallace & Nurick LLC

20080089789 - Airfoils for use with turbine assemblies and methods of assembling the same: A method for assembling a turbine assembly is provided. The method includes providing at least two buckets that each include an axial entry dovetail, a tip and an airfoil extending therebetween. The method also includes coupling the at least two buckets to a rotor wheel by inserting the axial entry... Agent: John S. Beulick (17851)

20080089791 - Cover for the motor housing of a ceiling fan: A cover for the motor housing of a ceiling fan includes a flexible wrap for covering the motor housing and a magnetic assemblage for attaching the wrap to the motor housing. The cover can be insulating, have an outer decorative surface for aesthetic effects, or both. A ship lap joint... Agent: Hiscock & Barclay, LLP

20080089790 - Vacuum adsorbing apparatus for fan positioning: A vacuum adsorbing apparatus for fan positioning is provided, which includes a fixing frame and a vacuum aspirator. The fixing frame has a workpiece holder to provide close arrangement for the fan, and a through-hole connected with the vacuum aspirator is disposed in the workpiece holder corresponding to the arranged... Agent: Rabin & Berdo, PC

20080085193 - Turbine airfoil cooling system with enhanced tip corner cooling channel: A cooling system for a turbine airfoil of a turbine engine having a serpentine cooling channel with a portion positioned proximate to an intersection between a trailing edge and the tip section of the airfoil. The serpentine cooling channel may extend generally spanwise between a root and the tip section... Agent: Siemens Corporation Intellectual Property Department

20080085190 - Turbine airfoil with submerged endwall cooling channel: A turbine airfoil usable in a turbine engine and having at least one cooling system. At least a portion of the cooling system may be positioned in an endwall attached to the turbine airfoil. The endwall may include a submerged endwall cooling channel at the intersection between the generally elongated... Agent: Siemens Corporation Intellectual Property Department

20080085191 - Thermal barrier coating system for a turbine airfoil usable in a turbine engine: A turbine airfoil usable in a turbine engine and having at least one cooling system with at least a portion of the cooling system positioned in internal aspects of the airfoil. The airfoil may also include a thermal barrier coating attachment system for attaching a thermal barrier coating to the... Agent: Siemens Corporation Intellectual Property Department

20080085192 - Turbine rotor and steam turbine: A turbine rotor 10 is disposed in a steam turbine, into which high-temperature steam of 650° C. or more is introduced, and separately configured of the portion made of the Ni-base alloy and the portion made of the CrMoV steel depending on a steam temperature and a metal temperature, and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080080979 - Airfoil cooling circuits and method: An airfoil is disclosed having at least first and second cast, axially-stacked internal airflow cooling circuits. Each circuit defines multiple air flow passages positioned laterally between a pressure sidewall side and a suction sidewall side of respective ones of the circuits. Each of the circuits is formed by a separate... Agent: Adams Intellectual Property Law, P.A.

20080080980 - Hybrid vapor and film cooled turbine blade: An apparatus for a gas turbine engine includes an airfoil defining a leading edge and a trailing edge, a root located adjacent to the airfoil, a vapor cooling system, and a film cooling system for cooling the airfoil in conjunction with the vapor cooling system. The vapor cooling system includes... Agent: Kinney & Lange, P.A.

20080080976 - Hub structure associated with a shaft in a motor: A hub associated with a shaft in a motor includes a hub, a metal sleeve base and a shaft. The hub has a bush disposed at the center of the inner side of a lateral wall thereof and the sleeve base is inserted in and joined to the bush. The... Agent: G. Link Co., Ltd.

20080080977 - Wind turbine rotor blade with acoustic lining: A rotor blade for a wind turbine is provided, the rotor blade comprising an acoustically porous surface layer at least partially covering at least one surface of the rotor blade, at least one reactive acoustic element located below said acoustically porous surface layer, and a resistive acoustic layer located between... Agent: General Electric Co. Global Patent Operation

20080080978 - Coated turbine engine components and methods for making the same: Methods for coating a turbine engine rotor component involving depositing at least one platinum group metal selected from platinum, palladium, rhodium, ruthenium, iridium and osmium on the rotor component, and heating the rotor component to a temperature of from about 500° C. to about 800° C.... Agent: General Electric Company