Fluid reaction surfaces (i.e., impellers) inventions 11/08

20080292460 - Fluid turbine with fluid-tiltable blades: A fluid-driven turbine includes a main driving shaft defining a shaft axis and a plurality of blade sets symmetrically disposed about the main driving shaft. Each of the plurality of blade sets includes a rod extending radially from the main driving shaft in a direction transverse to the shaft axis.... Agent: Haynes And Boone, LLP

20080292461 - Actuation system for a wind turbine blade flap: A method of actuating a flap in a wind turbine rotor blade is provided wherein a fluid is used for reversibly expanding an actuating element acting a movable part of the flap by varying the fluid pressure in the actuating element. Further, a wind turbine rotor with a rotor blade... Agent: Siemens Corporation Intellectual Property Department

20080292462 - Device for the adjustment of the pitch of a motor blade of a wind turbine: A device is provided for the adjustment of the pitch of a rotor blade of a wind turbine. The device includes a pitch actuator and a fixing device. The pitch actuator includes a tube. The fixing device includes a first and a second ring-like element, each of which is arranged... Agent: Siemens Corporation Intellectual Property Department

20080292463 - Device for the adjustment of the pitch of a rotor blade of a wind turbine: A device is provided for the adjustment of the pitch of a rotor blade of a wind turbine comprising a pitch actuator acting on an adjusting plane for the adjustment of the pitch and a fixing device to which the pitch actuator is attached, the fixing device comprises a first... Agent: Siemens Corporation Intellectual Property Department

20080292464 - Radial fan impeller: d

20080292465 - Rotating apparatus disk: A method (20) of fabricating a large component such as a gas turbine or compressor disk (32) from segregation-prone materials such as Alloy 706 or Alloy 718 when the size of the ingot required is larger than the size that can be predictably formed without segregations using known triple melt... Agent: Siemens Corporation Intellectual Property Department

20080292466 - Method to center locate cutter teeth on shrouded turbine blades: The present application further describes a method for extending the operating life of a tip shrouded turbine blade that includes the steps of: 1) removing an end located cutter tooth from a seal rail of a tip shroud, the end located cutter tooth including a cutter tooth located at the... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080292467 - Direct-drive generator/motor for a windmill/hydropower plant/vessel where the generator/morot is configured as a hollow profile and a method to assemble such a windmill/hydropower plant: A turbine rotor for a wind power plant or a hydropower plant with a direct-drive generator for converting the energy in flowing wind or water into electrical energy wherein the wind or hydropower plant comprises a turbine rotor and a stator and wherein the turbine rotor further comprises a ring-shaped... Agent: Christian D. Abel

20080292468 - Stiff-in-plane gimbaled tiltrotor hub: A rotor-hub for a rotary-wing aircraft is disclosed. The rotor-hub comprises a yoke comprising a plurality of yoke arms and a plurality of yoke straps, wherein the yoke arms are joined together by the yoke straps, and wherein a plurality of inner walls of the yoke define a central void... Agent: Law Offices Of James E. Walton, PLLC

20080286101 - Fan with power adjustable housing: A ceiling mounted fan comprising: a first housing portion; a second housing portion; and a motive unit operably coupled to the second housing portion, wherein the motive unit is configured to adjust a position of the second housing portion from a position proximate to the first housing portion to a... Agent: Sinsheimer Juhnke Lebens & Mcivor, LLP

20080286102 - Roof fans generating vehicle: The invention is related to the driving force booster for the vehicle installed with the fan on the roof to be operated with head wind in the driving operation to generate the electricity to be charged for the battery to provide the additional driving energy.... Agent: Yoshioki Tomoyasu

20080286103 - Fan with power deployed fan blade: A fan comprising: a housing unit; a retractable fan blade; and a means for driving the retractable fan blade from a retracted position within the housing unit to an extended position exterior to the housing unit.... Agent: Sinsheimer Juhnke Lebens & Mcivor, LLP

20080286104 - Near wall cooling for a highly tapered turbine blade: A turbine blade having a pressure sidewall and a suction sidewall connected at chordally spaced leading and trailing edges to define a cooling cavity. Pressure and suction side inner walls extend radially within the cooling cavity and define pressure and suction side near wall chambers. A plurality of mid-chord channels... Agent: Siemens Corporation Intellectual Property Department

20080286115 - Blade for a gas turbine engine: A main body is provided for a gas turbine engine comprising an outer structure, a first internal partition and a second internal partition. The outer structure and the first internal partition may define an entrance leg of a cooling circuit for receiving a cooling fluid. The second internal partition may... Agent: Siemens Corporation Intellectual Property Department

20080286116 - Cooling arrangement: An aerofoil for a gas turbine engine comprising a pressure wall and a suction wall and defining leading and trailing edges, the walls define a passage into which is supplied a cooling fluid, an array of cooling holes is provided through at least one of the walls to allow the... Agent: Oliff & Berridge, PLC

20080286105 - Fan with adjustable fan blade pitch: A fan comprising: a housing unit, wherein the housing unit is positioned perpendicular to a ceiling; a motive unit; a fan blade operably coupled to the motive unit; and the motive unit configured to adjust a position of the fan blade from a plane parallel to the ceiling to a... Agent: Sinsheimer Juhnke Lebens & Mcivor, LLP

20080286106 - Turbine rotor blade assembly and method of fabricating the same: A removable rotor blade platform includes a first platform leg, a second platform leg, and a platform portion coupled to the first and second platform legs. The first platform leg is configured to be retained by a first retainer coupled to a first rotor blade, and the second platform leg... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080286107 - Course of leading edges for turbomachine components: where sweeptip or sweephub, respectively, represents the sweep angle at the tip or at the hub, determined in accordance with the operating conditions, and the extension represents the height of the blade in percent, by which the sweep angle departs from 0° relative to the coordinate extending normal to the... Agent: Timothy J. Klima Harbin King & Klima

20080286108 - Cold spraying method for coating compressor and turbine blade tips with abrasive materials: A method for coating compressor or turbine blade tips of a bladed disk with abrasive particles includes installing the blades onto a disk, and then cold gas-dynamic spraying the abrasive particles onto the blade tips while the blades are installed in the disk. According to another embodiment, a method for... Agent: Honeywell International Inc.

20080286109 - Turbine rotor blade and method of fabricating the same: A rotor blade assembly includes a shank, an airfoil that is formed integrally with the shank, and a removable platform coupled between said shank and said airfoil via a friction fit. A method of assembling a gas turbine engine rotor blade assembly that includes a removable platform, and a gas... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080286110 - Wind-turbine blade and method for reducing noise in wind turbine: Low-noise wind turbine blades are provided wherein metallic and/or polymeric cellular materials that are capable of bearing directional loads are used in the construction of wind turbine blade parts or entire sections. The use of such materials influences the air flow over them in such a way that the resulting... Agent: Nixon & Vanderhye P.C.

20080286111 - Ceiling fan hanging system: A ceiling fan hanging system (10) in disclosed for use with a conventional ceiling fan (11). The hanging system includes a downrod (15) and a downrod receiver (16). The downrod has a lower end (20) having a select outside diameter and a pair of mutually aligned holes (21) therethrough. The... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20080286113 - High speed type impeller: Disclosed is a high speed type impeller, including: a body having a shaft coupling hole into which a rotation shaft of a motor is coupled, the outer circumference of the body being widened from the top to bottom end in the insertion direction of the rotation shaft to form a... Agent: Greenblum & Bernstein, P.L.C

20080286112 - Magnetic vertical axis wind turbine: A lift and drag-based vertical axis wind turbine in which the vertical axis and foils mounted thereon are magnetically levitated above the turbine's base, thereby reducing friction within the system. The foils or vanes are three-dimensionally shaped about the vertical axis so as to resemble the billowed sail of a... Agent: Robert C. Curfiss

20080286114 - Portable fan: A self-contained, easy to assemble, low cost, universal, and safe fan for use on a pole. The fan can oscillate in either a horizontal or vertical direction. The fan can rotate about the pole. The fan can be positioned in multiple directions and positions.... Agent: Baker & Mckenzie LLP

20080279685 - Helicopter rotor control system with individual blade control: Controlling the pitch of individual rotor blades of a helicopter to reduce control loads, vibration and noise in or from the rotating rotor control elements. The system generates blade dynamics signals representing dynamic forces acting on either or both of the rotating and non-rotating elements of the helicopter, including rotor... Agent: Davis Bujold & Daniels, P.l.l.c.

20080279686 - Wind turbine comprising at least one gearbox and an epicyclic gearbox: The invention relates to a wind turbine comprising at least one gearbox. The gearbox comprises one or more sensors for measuring condition values of the wind turbine, and is characterized in that the one or more sensors are mounted on one or more rotating parts of the gearbox. The invention... Agent: St. Onge Steward Johnston & Reens, LLC

20080279687 - Waterwheel apparatus and methods: An improved waterwheel and methods for its use are provided. In an exemplary embodiment, the waterwheel is an undershot waterwheel utilized for electrical power generation. In another embodiment, the waterwheel may be partially or fully submerged. The waterwheel of the present invention may additionally be utilized to provide potable water,... Agent: Heller Ehrman LLP

20080279688 - Heated engine nose cone using spiral channels: A nose cone of a turbomachine, such as an aircraft engine, is heated to prevent ice formation. The nose cone is configured as a conical shell positioned concentrically over an inner shell with a space therebetween. Spiral spacers in the space provide distributed passages through which heated lubricating oil flows.... Agent: Honeywell International Inc.

20080279696 - Airfoil for a turbine of a gas turbine engine: An airfoil for a turbine of a gas turbine engine is provided. The airfoil comprises a main body comprising a wall structure defining an inner cavity adapted to receive a cooling air. The wall structure includes a first diffusion region and at least one first metering opening extending from the... Agent: Siemens Corporation Intellectual Property Department

20080279695 - Enhanced turbine airfoil cooling: The ends of cooling air passages in turbine blades and/or vanes of a gas turbine engine are provided with turbulation promoters to enhance the cooling of such structures as inner and outer shrouds and the like to accommodate thermal loads thereon.... Agent: Pratt & Whitney

20080279697 - Turbine airfoil with enhanced cooling: An airfoil for a turbine of a gas turbine engine is provided comprising an outer wall structure defining at least one inner cavity adapted to receive a cooling fluid. The wall structure comprises at least one cooling fluid path circuit communicating with the at least one inner cavity. The cooling... Agent: Siemens Corporation Intellectual Property Department

20080279689 - Propeller blade bearing, especially for propeller blades of aircraft propellers that can be adjusted along their longitudinal axis: The invention relates to a propeller blade bearing, for the propeller blades of aircraft propellers that can be adjusted along their longitudinal axis, a plurality of propeller blades being individually fastened on a propeller hub in a corresponding number of blade seats. Every propeller blade, at its blade base, has... Agent: Lucas & Mercanti, LLP

20080279690 - Wind harnessing system: A wind harnessing system comprises a substantially grooved shell disposed about a rigid frame. The grooved shell can be constructed of lightweight shell panels connected to one another and to the frame. Alternatively, the grooved shell can be constructed of inflatable shell sections.... Agent: Calfee Halter & Griswold, LLP

20080279691 - Three-part stator blade: A blade for a stator in a torque converter, including: a first blade segment connected to an inner circumferential section of the stator; at least one second blade segment, separately formed from the first blade segment, and connected to the inner circumferential section; and a third blade segment, separately formed... Agent: Simpson & Simpson, PLLC

20080279692 - Stepped stator blade: A blade for a stator in a torque converter including a first face, which includes a first step, and a second face located substantially circumferentially opposite the first face. In one embodiment, the first face includes first and second disjointed or misaligned segments, and the first step connects the first... Agent: Kurt R. Denniston Simpson & Simpson, PLLC

20080279693 - Heat-dissipating fan structure able to dispaly representation: A heat-dissipating fan structure able to display a representation includes a fan body and a plurality of images. The fan body includes a socket and a fan. The fan is pivotally connected to the socket and has a hub and a plurality of blades. Each of the blades is connected... Agent: Rosenberg, Klein & Lee

20080279694 - Fan and fan assembly: A fan includes an impeller, a motor, a circuit board, a fan frame and a connecting member. The motor is used to drive the impeller to rotate. The circuit board is electrically connected to the motor. The impeller and the motor are accommodated in the fan frame. The connecting member... Agent: Birch Stewart Kolasch & Birch

20080273974 - Wind turbine device: A hybrid blade wind turbine device formed of at least a pair of straight outer airfoil blades, and a pair of inner helical wing blades, as supported for rotation within a safety protective cage structure, which wind turbine can be mounted in the vertical, horizontal, or other aligned operational positions.... Agent: Knechtel, Demeur & Samlan

20080273975 - Sail wing type windmill: A sail wing type windmill includes an output shaft erected vertically, a foundation with a bearing disposed in the center hole provided therein for supporting the output shaft; an axle body with a roller bearing on the top end, while the bottom end thereof being conjoined to the output shaft,... Agent: Hdsl

20080273976 - Variable rotor blade for gas turbine engine: A variable rotor blade mechanism for use in a gas turbine engine comprises a blade rotor, a blade, a harmonic drive system, a stepper motor and a bracket. The blade rotor rotates absolutely about an axial engine centerline during operation of the gas turbine engine. The blade extends radially from... Agent: David R. Fairbairn Kinney & Lange, P.A.

20080273988 - Aerofoils: An aerofoil 20 for a gas turbine engine includes a root portion 22, a tip portion 24 located radially outwardly of the root portion 22, leading and trailing edges 26, 28 extending between the root portion 22 and the tip portion 24 and an internal cooling passage 34. The aerofoil... Agent: Manelli Denison & Selter

20080273987 - Turbine blade having a convergent cavity cooling system for a trailing edge: A turbine blade including an airfoil defining an airfoil cavity forming a cooling system in the blade. First, second and third ribs are positioned in the airfoil cavity to form first, second and third generally elongated cooling cavities along at least a portion of the span-wise direction of the airfoil... Agent: Siemens Corporation Intellectual Property Department

20080273977 - Methods and devices for utilizing flowing power: A method and apparatus related to the utilization of flowing medium is provided including a turbine blade comprising at least one protrusion along at least a portion of a surface of said blade and a twisted portion.... Agent: Schwabe, Williamson & Wyatt, P.C. Pacwest Center, Suite 1900

20080273978 - Vertical axis omni-directional wind turbine: A vertical axis wind turbine with a rotor driven by a group of vanes that assure starting at low speeds, efficiently generates electricity at all wind speeds, especially under circumstances that include abrupt increases in the wind velocity.... Agent: Donald D. Mon Attorney At Law

20080273979 - Quick install blade arms for ceiling fans: Quick attachable and detachable mounting arms for ceiling fans. A first version has flat headed fasteners initially attached to one end of mounting arms, with key-hole slots in the endshield of the ceiling fan motor. The user raises the mounting arm so that the flat headed fasteners fits through the... Agent: Law Offices Of Brian S Steinberger

20080273980 - Turbomachine fan: A turbomachine fan (10) comprising blades (12) and inter-blade platforms (18) having radial flanges (20) fastened to flanges (22) of a rotor disk (16) by means of threaded rods inserted into bushes (26) mounted in orifices in the flanges of the platforms (18), wherein each bush (26) comprises at least... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080273981 - Windmill: A windmill, characterized by connecting blade root parts to a hub in the radial direction of a windmill shaft by an undercut, fitting structure which is suitable particularly for a small-sized windmill having FRP blades. By this structure, the blades can be connected to the hub at the blade root... Agent: Ip Group Of Dla Piper US LLP

20080273982 - Blade attachment retention device: A component for a gas turbine engine includes a rotor disk, a plurality of blade attachments, a plurality of retention flanges, and a plurality of retention tabs. The rotor disk has a plurality of slots formed in an outer surface thereof. Each blade attachment has an attachment region configured to... Agent: Honeywell International Inc.

20080273983 - Turbomachine blade: A turbomachine including securing means that extend between the pressure wall and the suction surface and which includes an energy absorbing portion for absorbing energy after impact to the blade by a foreign object. The energy absorbing portion has a catch that provides the blade with an improved resistance to... Agent: Mccormick, Paulding & Huber LLP

20080273984 - External profile for turbine blade airfoil: A turbine blade including an airfoil having a pressure sidewall and a suction sidewall joined together along an upstream leading edge and a downstream trailing edge. The leading edge and trailing edge are formed as substantially straight edges, and portions of the pressure sidewall and suction sidewall adjacent the trailing... Agent: Siemens Corporation Intellectual Property Department

20080273985 - Roughened coatings for gas turbine engine components: A gas turbine engine component (10) with an aluminide coating (42) on at least a portion of an airflow surface (18) that includes a roughening agent (44) effective to provide a desired surface roughness and a deposition process for forming such aluminide coatings (42). A layer (40) including a binder... Agent: Wood, Herron & Evans, LLP

20080273986 - Wind turbine blade assembly and method of installing the same on tower: In the aspect of the present invention, an installing a wind turbine is achieved by forming a blade assembly in which a plurality of blades are attached to a rotor head, by attaching a suspension structure to the rotor head, by lifting the blade assembly through the suspension structure by... Agent: Kanesaka Berner And Partners LLP