Fluid reaction surfaces (i.e., impellers) inventions 05/07

20070122279 - Water wall turbine: The Water Wall Turbine is a turbine device that consists of blades, cables, shaft, and sometimes flotation sections in the Blades for small (from under 1 KW) to large (multi MW) scale Energy Extraction (Potential and Kinetic) from currents, and to convert this Energy into Mechanical Energy for further conversion... Agent: Marek A. Sredzki

20070122282 - Central cooling circuit for a moving blade of a turbomachine: The invention relates to moving blade for a turbomachine. The central portion of the blade is geometrically subdivided into four adjacent pressure-side zones disposed on the pressure side of the blade, and into four adjacent suction-side zones disposed on the suction side of the blade, the pressure-side and suction-side zones... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070122281 - Cooling layout for a turbine blade, turbine blade included therein, turbine and aircraft engine equipped therewith: is characterised in that, when the jacket (26) is in place in the cavity (12) of the blade (10), and in respect of the critical operating point of the turbine engine, each emission hole (28) of the jacket (26) is opposite a place on the internal wall (14) of the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070122280 - Method and apparatus for reducing axial compressor blade tip flow: A turbine machine of the type having a high pressure compressor positioned in a casing is provided with a plurality of rotating compressor blades with at least one air channel formed in the blades for air flow communication from the base to the tip for extracting and pressurizing air from... Agent: Adams Evans P.A.

20070122283 - Rotor blade conncection: The present invention concerns a rotor blade for a wind power installation comprising a plurality of holes which are arranged in the region of the rotor blade root and which are in the form of through holes which extend substantially transversely with respect to the longitudinal axis of the rotor... Agent: Seed Intellectual Property Law Group PLLC

20070122284 - Rotary compressor: Disclosed is a rotary compressor having two compression capacities. The rotary compressor includes: a driving shaft (18) being rotatable clockwise and counterclockwise, and having an eccentric portion (13a) of a predetermined size; a cylinder (21) forming a predetermined inner volume; a roller (22) installed rotatably on an outer circumference of... Agent: Birch Stewart Kolasch & Birch

20070122285 - Axial-flow fan: The present invention provides an axial-flow fan capable of entirely cooling an object to be cooled even when the distance between the object to be cooled and an air discharge opening of the axial-flow fan is short. A plurality of stationary blades 11A to 11E are disposed at intervals in... Agent: Rankin, Hill, Porter & Clark LLP

20070122286 - Novel fan blade of a ceiling fan: The present invention relates to novel fan blade of a ceiling fan, wherein whole or partial perimeter of the blades was designed to project outwardly, for example, the cross section of the outwardly perimeter of the fan blade can be presented in a shape of circular arc, oval, taper with... Agent: Rabin & Berdo, PC

20070122287 - Fan blade assembly: Some embodiments of the present invention provide a fan having fan blades shaped to at least partially wrap around a motor driving the fan. In some embodiments, the shape of the fan blade can be at least partially defined by a range of gap sizes between the fan blade and... Agent: Michael Best & Friedrich, LLP

20070116565 - System for producing electricity through the action of waves on floating platforms: The present invention is a system and method for producing electricity through the action of waves on floating platforms. The hydraulic force of the water in the waves causes the platform to create a series of reverse incline planes. As a mass moves down the reverse incline planes, it gains... Agent: Devine, Millimet & Branch, P.A.

20070116566 - Refractory metal core cooling technologies for curved leading edge slots: A turbine engine component has an airfoil portion with a leading edge portion. The leading edge portion includes a plurality of staggered holes for causing fluid to flow over a surface of the airfoil portion. A method for forming the leading edge portion using refractory metal core technology is described.... Agent: Bachman & Lapointe, P.C. (p&w)

20070116570 - Cooling circuits for a turbomachine moving blade: A moving blade for a turbomachine, the central portion of the blade including a pressure-side cooling circuit and a suction-side cooling circuit. The pressure-side circuit comprises at least first and second pressure-side cavities extending from the pressure side of the blade to a central wall, a central cavity extending from... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070116568 - Microcircuit cooling for blades: A turbine engine component such as a turbine blade includes an airfoil portion formed by a suction side wall and a pressure side wall, and a cooling microcircuit incorporated in at least one of the suction side wall and the pressure side wall. The cooling microcircuit comprises a channel through... Agent: Bachman & Lapointe, P.C. (p&w)

20070116569 - Microcircuit cooling for vanes: A turbine engine component has an airfoil portion with a suction side. The component includes a cooling microcircuit embedded within a wall structure forming the suction side. The cooling microcircuit has at least one cooling film hole positioned ahead of a gage point for creating a flow of cooling fluid... Agent: Bachman & Lapointe, P.C. (p&w)

20070116567 - Rotor for a wind energy turbine and method for controlling the temperature inside a rotor hub: A rotor for a wind energy turbine includes a hub defining an inner space and at least one rotor blade defining an inner space and having a tip and a root attached to the hub. The inner spaces of the hub and the at least one rotor blade are in... Agent: Patrick W. Rasche (22402)

20070116571 - Rotor assembly with cooling air deflectors and method: A rotor assembly for a gas turbine engine, the rotor assembly comprises a plurality of cooling air deflectors made integral with the rotor disk to redirect air to a manifold at a bottom side of a corresponding blade retention slot on the periphery of the rotor disk.... Agent: Ogilvy Renault LLP (pwc)

20070116572 - Method and apparatus for wind turbine braking: A method for braking a wind turbine including at least one rotor blade coupled to a rotor. The method includes selectively controlling an angle of pitch of the at least one rotor blade with respect to a wind direction based on a design parameter of a component of the wind... Agent: John S. Beulick (17851)

20070116573 - Fan and impeller thereof: An impeller includes a hub and a plurality of blades disposed around an outer wall of the hub. Each of the blades has a leading edge with a predetermined distance below the top of the hub and a trailing edge protruding from the bottom of the hub. A fan including... Agent: Birch Stewart Kolasch & Birch

20070116574 - Gas turbine bucket with cooled platform leading edge and method of cooling platform leading edge: In a turbine bucket having an airfoil portion and a root portion with a substantially planar platform at an interface between the airfoil portion and the root portion, a platform cooling arrangement including a cavity extending along the forward portion of the platform, and at least one inlet bore extending... Agent: Nixon & Vanderhye P.C.

20070116575 - Turbine blade assembly and method of manufacture: Aspects of the invention are directed to a turbine blade assembly and an associated method of manufacture. The turbine blade assembly can include: (a) a unitary structure having an airfoil and a primary root portion; (b) a separately-formed platform; and (c) a secondary root portion that cooperates with the primary... Agent: Siemens Corporation Intellectual Property Department

20070116576 - Fan blade unit in a centrifugal fan: A fan blade unit in a centrifugal fan includes a hub and a plurality of fan blades connected to the periphery of the hub and each of the fan blades at least has an end edge with at least a baffle part being joined to the end edge and extending... Agent: G. Link Co. Ltd.

20070110577 - Control logic for a propeller system: A propeller control system includes a propeller control logic subsystem in conjunction with an engine control logic subsystem to provide an optimized transition from forward to reverse speed governing under all operating conditions. By creating a Propeller control Mode (PCM) map relative the blade angle and Power Lever Angle (PLA),... Agent: Carlson, Gaskey & Olds, P.C.

20070110579 - Vertical axis wind turbine energy converter (vawtec): This vertical axis wind turbine energy converter (VAWTEC) is made up of a number of rotary arms, which arms radiate from a central rotating column, and each radial arm holding two vertically opposed sails. Rotation of the central column drives a master gear, which causes the pinions on the alternators... Agent: Robert Gaylon Ross, Sr.

20070110578 - Wind energy installation: The invention relates to a wind energy installation (10) having a rotor (18) which can be driven by wind and has at least one rotor blade (22), having a generator for conversion of the mechanical energy of the rotor (18) to electrical energy, and having a tower (14) on which... Agent: Powell Goldstein LLP

20070110580 - Cooling arrangement: Cooling with regard to high-pressure turbine platforms is important in order to maintain gas turbine engine efficiency. Cottage Roof dampers located below junction gaps between adjacent platforms have been used but tend to present spent coolant flow at a high angle relative to hot gas flows about the aerofoil blades.... Agent: Manelli Denison & Selter

20070110581 - Ceiling fan lighting system: A ceiling fan lighting system includes a ceiling fan having motor and a plurality of blades operationally coupled to the motor to permit rotation of the blades when the motor is supplied with power. A plurality of mounting assemblies engages at least two of the blades of the fan. A... Agent: Sean Kaufhold

20070110582 - Rotor blade twist distribution for a high speed rotary-wing aircraft: Main rotor blades of the dual, counter-rotating, rigid coaxial rotor system exhibit a unique unconventional combination of positive and negative twist gradients in which the rotor system rotor Figure of Merit (hover efficiency) is improved by providing a dissimilar twist distribution between the lower rotor blade and the upper rotor... Agent: Carlson, Gaskey & Olds, P.C.

20070110583 - Vane assembly: A vane assembly for a gas turbine engine, the assembly including a plurality of vanes 14 with an asymmetric organic metal/ceramic matrix composite lay up, such that when the vanes 14 are placed in tension or compression the profile of the vane 14 will alter by twisting or untwisting. Other... Agent: Oliff & Berridge, PLC

20070110584 - Rotor blade for a wind energy installation: The invention relates to a rotor blade (22) for a wind energy installation (10), with the rotor blade (22) having at least one cavity (28). The cavity (28) is sealed to be gas-tight and is filled with gas, in particular air, in order to prestress the rotor blade (22), with... Agent: Powell Goldstein LLP

20070110585 - Rotor blade for a wind turbine having aerodynamic feature elements: A rotor blade for a wind turbine includes a surface having a plurality of aerodynamics feature elements formed therein. The elements for influencing an airflow at the surface during operation of the wind turbine and arrayed in a two dimensional pattern.... Agent: Patrick W. Rasche (22402)

20070104575 - Touch control system for a fan: A touch control system for a fan includes a touch input circuit, a microprocessor and a drive circuit electrically connected with one another. The touch input circuit receives a micro signal produced by a fan blade protective net when a user touches the protective net, and then converts the micro... Agent: J.c. Patents

20070104576 - Peripheral microcircuit serpentine cooling for turbine airfoils: A turbine component has an airfoil portion with at least one central core element, a pressure side wall, and a suction side wall. The airfoil portion also has a serpentine cooling passageway in at least one of the walls. In a preferred embodiment, the airfoil portion has a serpentine cooling... Agent: Bachman & Lapointe, P.C. (p&w)

20070104577 - Wind turbine pitch bearing and method: A pitch bearing and related method for wind electric turbines has an annularly-shaped first bearing ring connected with an associated wind turbine blade, and includes a first raceway groove. An annularly-shaped second bearing ring is connected with the rotor portion of the wind turbine, and includes a second raceway groove... Agent: Price Heneveld Cooper Dewitt & Litton, LLP

20070104578 - Radially-sliding wind turbine: According to one embodiment, a wind turbine for the generation of wind power is described. The wind turbine includes one or more turbine blades that slide radially through an axis of rotation of the turbine as the turbine rotates. Accordingly, the faces of the one or more turbine blades do... Agent: Leyendecker Lemire & Daley, LLC

20070104579 - Wind sail receptor: A wind sail receptor for turning in a wind or flow of water, turning an axle that operates a power generator device that produces a power output for performing work or provides for passing that power output to a storage arrangement. The wind sail receptor preferably includes, from six to... Agent: M. Reid Russell

20070104580 - Rotorcraft rotors having twistable blades: The invention relates to a rotorcraft rotor (10) comprising a hub (25, 26, 28), a first blade (13) having a first twistable structure (21) secured to the hub by a first bolt (32) and a first ring (34) or washer (35), a second blade having a second twistable structure secured... Agent: Young & Thompson

20070104581 - Plastic fans having improved fan ring weld line strength: Injection molded ring fan embodiments and methods for making them. The methods influence material flow during the injection molding process such that a major portion of the materials flowing in opposite directions in the outer rings preferably flow past one another, intermix in a swirling relationship, and/or collide at an... Agent: Borgwarner Inc.

20070104582 - Vertical axis wind turbine with optimized blade profile: A high efficiency vertical axis wind turbine includes an optimized blade shape for increased torque output. The shape of the optimized profile includes a camber portion at a leading edge region of the blade with a maximum height to chord ratio (Y/C) at when the non-dimensional chord length (X/C) is... Agent: Fulwider Patton Lee & Utecht, LLP

20070104583 - Ceiling fan with integrated fan blades and housing: The invention relates generally to fans, and in particular to ceiling fans. A ceiling fan is suspended by a down rod and a motor that rotates relative to the down rod. The motor also has a connector mechanism. The fan has a fan blade with an attachment member, capable of... Agent: Baker & Mckenzie LLP

20070104584 - High structural efficiency blades and devices using same: A blade for a rotor has integral stiffeners with at least one of unidirectional caps configured to carry blade bending loads in axial tension or webs to carry transverse shear resulting from blade bending.... Agent: Patrick W. Rasche (22402)

20070104585 - Metal component, turbine component, gas turbine engine, surface processing method, and steam turbine engine: Formation of a protective coating having oxidation resistance on a portion to be processed of a component main body by employing an electrode composed of a molded body molded from mixed powders of one or more of an aluminum powder, an aluminum alloy powder, a chromium powder and a chromium... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070098549 - Device for driving a first part of a wind energy turbine with respect to a second part of the wind energy turbine: A device for driving a first part of a wind energy turbine with respect to a second part of the wind energy turbine said device, comprising a driving element (18) for driving engagement with the first part; a driving unit (22) comprising a housing (24) to be fixedly connected to... Agent: Patrick W. Rasche (22402)

20070098550 - Rotary joint for a moving-vane multifunction pressure probe: The present invention relates to pressure probes for measuring the aerodynamic flight parameters of an aircraft and more particularly those in which the orifices for measuring the static pressure and total pressure are located on a moving angle-of-attack or angle-of-sideslip measurement vane designed to be oriented in the direction of... Agent: Lowe Hauptman Gilman & Berner, LLP

20070098551 - Wind turbine systems, monitoring systems and processes for monitoring stress in a wind turbine blade: Wind turbine systems, monitoring systems, and processes for measuring stress in a wind turbine blade generally includes embedding and or disposing optical glass fibers on a surface of the wind turbine blade and monitoring light transmission through the optical glass fiber. A reduction or loss of transmission indicates that the... Agent: Cantor Colburn, LLP

20070098552 - Blade for a rotor of a wind energy turbine: A blade for a rotor of a wind energy turbine includes opposite upper and lower faces, opposite leading and trailing edges connecting the upper and lower faces, means for generating pressurized air, and at least one air outlet opening in fluid communication with the pressurized air generation means and arranged... Agent: Patrick W. Rasche (22402)

20070098553 - Rotorcraft blade provided with a flap that is tiltable with the help of at least one main ball joint having a first shaft that is secured to said flap: The present invention relates to a rotorcraft rotor blade (1) having at least one trailing edge flap (5) that is tiltable, the flap (5) being suitable for pivoting about a virtual hinge axis (Y′) extending substantially along the span of the blade (1) and of the flap (5). The blade... Agent: Young & Thompson

20070098554 - Rotorcraft blade provided with a tiltable flap and a fastener tongue: The present invention relates to a rotorcraft rotor blade (1) that comprises at least one tiltable trailing-edge flap (5), said flap (5) being suitable for pivoting about a virtual hinge axis (Y′) extending substantially in the span direction of said blade (1) and of said flap (5). The blade (1)... Agent: Young & Thompson

20070098555 - Wind turbine comprising elastically flexible rotor blades: The invention relates to a wind turbine having a tower, a nacelle that is mounted on the tower and can be rotated about the axis of the tower, and a rotor which is carried by the nacelle on the lee side and having at least one rotor blade. The flexural... Agent: Larson And Larson

20070098556 - Impeller of centrifugal fan and centrifugal fan disposed with the impeller: An impeller of a centrifugal fan includes an end plate, a plurality of blades and an end ring. The blades include blade bodies that are annularly disposed around a shaft and fixed to the end plate. The blades further include blade covers that are attached to the blade bodies. The... Agent: GlobalIPCounselors, LLP

20070098557 - Vane assembly with outer grommets: A compressor vane having a root, a tip and an airfoil portion extending between the root and the tip is disclosed. A grommet is used in conjunction with the vane and has a lip sealingly surrounding a portion of the vane root and a circumferential portion protruding around a perimeter... Agent: Ogilvy Renault LLP (pwc)

20070098558 - Three bladed savonius rotor: A Savonius three bladed vertical axis wind turbine rotor has operational characteristics superior to those of conventional three bladed rotors. The blades have high curvature and a high skew factor, for example a curvature of greater than about 7:1 (preferably at least 5.5:1, e. g. 2:1-5:1), and a skew factor... Agent: Robert A. Vanderhye

20070098559 - Propeller combination for a boat propeller drive having double propellers: Propeller combination for an aft-mounted boat propeller drive unit with counter-rotating pushing propellers (8,9). The forward propeller (9) is made with blades (12) which have blade tips with an outer edge (b) which approaches a straight line. The width of the blade tip is between 40% and 45% of the... Agent: Novak Druce & Quigg, LLP

20070098560 - Reinforced ceiling fan blade: A reinforced ceiling fan blade in accordance with the present invention comprises an upper half fan blade and a lower half fan blade. The upper half fan blade includes a plurality of wood sheets. The lower half fan blade includes a plurality of wood sheets, and the upper half fan... Agent: Charles E. Baxley, Esq.

20070098561 - Rotor blade for wind power plants: A rotor blade for a wind power plant, comprising an upper shell and a lower shell which are joined to each other and have a trailing edge each, and which has a profile extending in the direction of flow and, at its rear end, exhibiting a profile trailing edge of... Agent: Vidas, Arrett & Steinkraus, P.A.

20070098562 - Blade: A fan blade (26)comprises a root portion (36) and an aerofoil portion (38). The aerofoil portion (38) has a leading edge (44), a trailing edge (46) and a tip (48) remote from the root portion (36). A concave pressure surface (50) extends from the leading edge (44) to the trailing... Agent: Oliff & Berridge, PLC

20070098563 - 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: Mark A. Tidwell Jackson Walker L.L.P.