Fluid reaction surfaces (i.e., impellers) inventions 06/08

20080152492 - Stratum deployment of wind turbines: Installing large-sized wind turbines creates numerous challenges and limitations, hindering acceptance of wind generated energy. With small-sized wind turbines, such hindrances are omitted or minimized. Sized ever smaller, more small-sized wind turbines may be installed per installation. Accordingly, a method and corresponding apparatus for maximizing wind energy gathering potential of... Agent: Hamilton, Brook, Smith & Reynolds, P.c.

20080152493 - Method and system for utilizing lateral tower acceleration to detect asymmetric icing: A method and system for detecting asymmetric utilizing lateral tower acceleration data may include: providing a lateral tower acceleration monitoring system; determining from the lateral tower acceleration monitoring system whether a lateral tower acceleration is above an acceleration limit; determining whether a rotor-mass imbalance condition exists; and determining whether the... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080152494 - Ice management system for rotary-wing aircraft: An ice management system is configured for an aircraft having at least one rotor (11), each rotor having a plurality of blades. The system has an alternating current (AC) electrical power supply for supplying AC power (13), the AC power supply being adapted to be carried by the aircraft remote... Agent: Law Offices Of James E. Walton, Pllc

20080152495 - Vertical axis turbine apparatus: Vertical axis turbine apparatus is described in which a rotating blade turbine member mounted on a fixed base consists of one to fifty, preferably two or three, upwardly and outwardly inclined spars (F). On each spar is set at least one aerofoil or hydrofoil section blade (S). If there is... Agent: Breiner & Breiner, L.l.c.

20080152496 - Wind turbine power module mounted on the tower foundation: The invention relates to a method of constructing a wind energy plant and to a wind energy plant as such. In one aspect, the invention provides a method for constructing wind energy plants at lower expenses and more rapidly. According to one embodiment, a method for constructing a wind energy... Agent: Neil Steinberg

20080152497 - Pitch bearing containment seal: A flexible, resilient seal protects a bearing in a pitch joint of a helicopter blade assembly from contaminants. The seal includes a flexible, resilient body having a first end bonded to a stationary portion of the joint, and a second end biased into sealing engagement with a displaceable potion of... Agent: Tung & Associates / Randy W. Tung, Esq.

20080152498 - Methods and systems for balancing a rotatable member: Methods and systems of balancing a rotatable member are provided. A method includes separately balancing a first portion and a second portion of the rotatable member wherein the second portion mateable to said first portion, coupling the first and second portions to each other, measuring a physical dimension of the... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080152499 - Impeller arrangement: An impeller arrangement comprises an impeller 10 having at least one first vane surface 26 orientated such that the application of fluid under pressure thereto applies a torque to the impeller 10 in a first rotary direction, at least one second vane surface 28 orientated such that the application of... Agent: Schlumberger Oilfield Services

20080152500 - Inertial particle separator for compressor shroud bleed: An inertial particle separator (IPS) for an inlet bell-mouth that couples an inlet air plenum to a compressor in a gas turbine engine, wherein the IPS removes air particles within reverse air flow passing through at least one bell-mouth aperture in the inlet bell-mouth into shroud bleed apertures in a... Agent: Stephen George Mican

20080152501 - Turbomachine blade: The blades of a turbomachine comprise airfoils, which are bent such that the lean angle (φ), defined as the angle which the stacking line of the airfoil includes with the radial direction, and measured in the direction of rotation (ω), is variable along the width of the flow channel and... Agent: Buchanan, Ingersoll & Rooney Pc

20080152503 - Fan capable of increasing fluid pressure: A fan capable of increasing pressure of fluid provides a hub and fan blades. The hub has a flat facial end and a circumferential side. The fan blades extend radially from the circumferential side of the hub. Each of the fan blades has a joining end being attached to the... Agent: G. Link Co., Ltd.

20080152502 - Fan with spiral supercharging device: A fan with supercharging device has a hub and fan blades. A hub has a shape similar to a cone with a tip end and a circumferential side. The fan blades extend radially from the circumferential side of the hub. Each of the fan blades has a joining end being... Agent: G. Link Co., Ltd.

20080152504 - Gas turbine engines including lean stator vanes and methods of assembling the same: A stator vane that may be used in an engine assembly is provided. The stator vane includes an airfoil that has a first sidewall and a second sidewall, which connects to the first sidewall at a leading edge and at a trailing edge. The airfoil also includes a root portion... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080152505 - Gas turbine engines including multi-curve stator vanes and methods of assembling the same: A stator vane that may be used in engine assemblies. The stator vane includes an airfoil having a first sidewall and a second sidewall that is coupled to the first sidewall at a leading edge and at a trailing edge. The airfoil extends radially from a root portion to a... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080152506 - Fan blade for a gas-turbine engine: A fan blade for a gas-turbine engine which comprises a supporting structure (2) in fiber-composite material is enclosed by a sheet-metal enveloping structure (4) only in an area of the airfoil (3) such that the loads and stresses acting on the blade root (11), as well as the risk of... Agent: Harbin King & Klima

20080145221 - Hybrid actuator for helicopter rotor blade control flaps: A helicopter rotor blade that has a blade body and a control flap secured to the blade body. The rotor blade has a first primary mover capable of generating a first linear motion that is sufficient to generate a high amplitude, low frequency motion of the control flap; and a... Agent: Carlson, Gaskey, & Olds, P.c./sikorsky

20080145220 - On-blade actuator for helicopter rotor blade control flaps: A helicopter rotor blade having a blade body that defines a confined space and a control flap that is secured to the blade body that moves through a range of motion. An electric machine is secured inside of the rotor blade body that rotates a motor shaft. A transmission device... Agent: Carlson, Gaskey, & Olds, P.c./sikorsky

20080145219 - Vortex generators on rotor blades to delay an onset of large oscillatory pitching moments and increase maximum lift: An airborne mobile platform generally includes a plurality of rotating rotor blades operating in an airflow that forms a boundary layer on each of the rotor blades. At least one of the rotor blades includes a section that encounters the airflow that includes an unsteady subsonic airflow having at least... Agent: Harness Dickey & Pierce, Plc

20080145222 - Active tower damper: A damper system for damping vibrations of a wind turbine having a tower, a nacelle, and at least one rotor blade is provided. The damper system includes a mass for damping vibrations of a wind turbine and at least one actuator adapted for actively controlling the mass, wherein the at... Agent: General Electric Co. Global Patent Operation

20080145223 - Method and device for identifying the state of the rotor of a non-positive-displacement machine: The invention relates to a rotor of a non-positive-displacement machine which, when exposed, has an inspection area which is visible from the outside and inside of which a comparatively uncritical load occurs during the operation of the non-positive-displacement machine. In addition, the rotor, when exposed, has a monitoring area which... Agent: Siemens Corporation Intellectual Property Department

20080145235 - Airfoil cooling with staggered refractory metal core microcircuits: A turbine engine component has an airfoil portion with a pressure side wall and a suction side wall and a cooling system. The cooling system has at least one cooling circuit disposed longitudinally along the airfoil portion. Each cooling circuit has a plurality of staggered internal pedestals for increasing heat... Agent: Bachman & Lapointe, P.c. (p&w)

20080145234 - Cluster bridged casting core: A casting core for a turbine blade includes a plurality of rods extending above a shank. The rods define internal cooling channels in the airfoil of the blade, and the shank defines an inlet channel in the dovetail of the blade. A plurality of stubs are clustered together at a... Agent: Francis L. Conte, Esq.

20080145233 - Plasma induced virtual turbine airfoil trailing edge extension: A trailing edge vortex reducing system includes a gas turbine engine airfoil extending in a spanwise direction, one or more spanwise extending plasma generators in a trailing edge region around a trailing edge of the airfoil. The plasma generators may be mounted on an outer wall of the airfoil with... Agent: Steven J. Rosen

20080145236 - Cooling arrangement for a tapered turbine blade: A cooling arrangement (11) for a highly tapered gas turbine blade (10). The cooling arrangement (11) includes a pair of parallel triple-pass serpentine cooling circuits (80,82) formed in an inner radial portion (50) of the blade, and a respective pair of single radial channel cooling circuits (84,86) formed in an... Agent: Siemens Corporation Intellectual Property Department

20080145224 - Vertical axis wind turbine system: The present invention is a vertical wind turbine having a turbine with a plurality of blades or wind vanes. The blades are constructed and attached to the shaft of the turbine so as to allow them to twist open to present more surface area to wind currents when a threshold... Agent: Simpson & Simpson, Pllc

20080145225 - Shock absorber for adjustable pitch propeller with feathering blades, particularly for sailers: According to an embodiment of this invention, a plurality of stops are implemented between metal surfaces that may be reached only in the event of shocks of great violence and in any case following a certain elastic deformation of the shock absorbing resilient inserts of elastomer, which in any case... Agent: Connolly Bove Lodge & Hutz LLP

20080145226 - Process to cast seal slots in turbine vane shrouds: A process for casting a turbine engine component is provided. The process comprises the steps of placing a refractory core assembly comprising two intersecting plates in a die, encapsulating the refractory core assembly in a wax pattern having the form of the turbine engine component, forming a ceramic shell mold... Agent: Bachman & Lapointe, P.c. (p&w)

20080145227 - Methods and apparatus for load transfer in rotor assemblies: A method of assembling a rotor assembly is provided. The method includes coupling a first turbine bucket to a rotor disk wherein the first turbine bucket includes a first tip shroud including a first surface, providing a second turbine bucket that includes a second tip shroud including a second surface,... Agent: John S. Beulick (17851)

20080145228 - Aero-mixing of rotating blade structures: An array of blades for use in a turbomachine is provided comprising a plurality of blades mounted to a rotor disk. A plurality of first blades form a first set of blades and a plurality of second blades form a second set of blades. A blade-to-blade flow field defined between... Agent: Siemens Corporation Intellectual Property Department

20080145229 - Lightning arrester system for a wind generator blade: The invention relates to a lightning arrester system for wind generator blade, which replaces the standard main copper cable and which employs two strips of copper that extend along the entire length of the beam such as to be in direct contact with the carbon fibre. In this way, the... Agent: Ladas & Parry LLP

20080145230 - Axial flow fan: A fan or rotor design where the surface profile may be configured to desired dimensions particular to a given operating environment is disclosed.... Agent: Carr & Ferrell LLP

20080145231 - Wind turbine blade: A wind turbine blade transversely subdivided into two or more separate modules (1-2) consisting of outer aerodynamic walls or hulls (4) and a longitudinal inner reinforcing structure (3). The modules include coupling means at the ends of the longitudinal reinforcing structure (3), which means consist of flanges (5-7, 6-8) projecting... Agent: Ladas & Parry LLP

20080145232 - Wind turbine tower suspension means: A method of mounting elements in a wind turbine tower, whereby the elements are partly or completely attached to the wind turbine tower by means of magnetic attraction forces. Wind turbine suspension units may be attached to the wind turbine tower, preferably completely or partly to the inner wall by... Agent: Cantor Colburn, LLP

20080138203 - Self-lubricated actuator for on-blade rotor control: A self-lubricated actuator for a rotor blade flap of a helicopter having a housing; a motor having a shaft disposed in a bearing is provided. The actuator further has an output rod and a mechanism operatively associated with the motor and the output rod to transmit movement from the motor... Agent: Carlson, Gaskey, & Olds, P.c./sikorsky

20080138209 - High aspect ratio blade main core modifications for peripheral serpentine microcircuits: A turbine engine component, such as a turbine blade, has an airfoil portion having a pressure side wall and a suction side wall, a first cooling circuit embedded within the pressure side wall, which first cooling circuit has at least two passageways embedded within the pressure side wall, a second... Agent: Bachman & Lapointe, P.c. (p&w)

20080138204 - Kite fan blade: A fan blade for a ceiling fan includes a blade member and a support for the blade member. The blade member and the support are disassembled in a first mode to occupy a compact space for storage and transport and are assembled in a second mode to form a substantially... Agent: Hiscock & Barclay, LLP

20080138205 - Foil fan blade and ceiling fan: A rotary foil fan blade includes an elongated support member and at least one foil member mounted on the support member. The foil member is substantially shorter in length than the elongated support member. A ceiling fan includes a central blade hub and an array of foil fan blades mounted... Agent: Hiscock & Barclay, LLP

20080138207 - Inlet plenum for gas turbine engine: An inlet plenum for coupling airflow from a radial airflow inlet to an axial compressor inlet for a compressor comprises a perforated inlet (PI) baffle that comprises a generally cylindrical baffle that circumscribes the compressor inlet and a plurality of apertures, each aperture perforating the baffle to pass the airflow... Agent: Stephen George Mican

20080138206 - Non-fouling kinetic hydro power system axial-flow blade tip treatment: This relates to a modified turbine blade tip design using a fairing shaped design that increases the tip area efficiency of a kinetic hydropower turbine rotor blade while having a non-fouling characteristic and a tip design with the ability to shed weeds, debris, or other submerged materials that might have... Agent: Davidson Berquist Jackson & Gowdey LLP

20080138208 - Core for use in a casting mould: A core 14, for use in a casting mould to form a cavity in a cast component such as a blade or vane of a gas turbine engine, has a relatively fragile thin-walled region 22. A bead 38 is formed along a lateral edge 26 of the thin-walled portion 22... Agent: Oliff & Berridge, Plc

20080131278 - Turbine blades and turbine blade cooling systems and methods: A turbine blade with improved tip cooling includes an airfoil having a tip cap and a tip wall extending outwardly from the tip cap. A recessed portion of the tip wall forms a tip shelf. At least one tip shelf hole extends through the tip shelf in flow communication with... Agent: General Electric Company

20080131279 - Wind energy plant with a nacelle: A wind energy plant with a nacelle, the azimuth orientation of which is motor-driven adjustable via an adjustment device, the adjustment device having at least one asynchronous motor with gearbox and at least one holding brake, wherein a control unit for the asynchronous motor is provided, which limits the moment... Agent: Vidas, Arrett & Steinkraus, P.a.

20080131284 - Air-cooled component: An air-cooled component such as a turbine stator vane, has a row of cooling passages 8 extending from the interior 4 of the vane to the exterior. The passages 8 are inclined to a plane perpendicular to the row. The angle of inclination of each passage 8 varies with the... Agent: Oliff & Berridge, Plc

20080131285 - Rmc-defined tip blowing slots for turbine blades: A process for forming an airfoil portion of a turbine engine component, such as a turbine blade, is described. The process comprises the steps of placing a ceramic core having a configuration of a passageway to be formed in the airfoil portion within a mold, attaching a refractory metal core... Agent: Bachman & Lapointe, P.c.

20080131280 - Bearingless rotor blade assembly for a high speed rotary-wing aircraft: A bearingless rotor system includes a flexbeam assembly having a first beam and a second beam arranged in a back-to-back orientation with a pitch shaft channeled therebetween. The beams morph into a rotor blade spar at an outboard rotor blade station. The outboard section of the flexbeam assembly receives the... Agent: Carlson, Gaskey & Olds, P.c.

20080131281 - Vertical axis windmill with guiding devices: The instant invention deals with the solution to technical flaws of existing vertical axis windmills in which the wind strikes simultaneously on inward and outward facing sides of rotor blades which reduce efficiency. Hence, this invention, i.e., the vertical axis windmill with wind guiding device, includes vertical plates which are... Agent: Caesar, Rivise, Bernstein, Cohen & Pokotilow, Ltd.

20080131282 - Wind apparatus: A wind apparatus which specifically comprises an essentially semi-cylindrical-shaped wind screen hood adapted to rotate about a vertical axis. The wind screen hood is external to a wind impeller and is put into rotation (to reach a position of balance) by rudders actuated by the wind so as to cover... Agent: Hogan & Hartson LLP

20080131283 - Fan for a gas burner system: A fan for a gas burner system where at the outflow side of the fan a combustion gas is fed in, in order to form a flammable mixture of gas and air, the fan comprising a spiral-shaped fan housing having a rotational axis and an air outlet; the air outlet... Agent: Duane Morris LLP