Fluid reaction surfaces (i.e., impellers) inventions 02/07

20070041834 - Device for detecting damage of a wind energy turbine rotor blade due to a lightning strike: The device for detecting damage of a wind energy turbine of a wind energy turbine rotor blade, due to a lightning strike, comprises several magnetic or electric field sensors distributed along the length of a rotor blade of the wind energy turbine for measuring the magnetic o electric field concentration... Agent: General Electric Co. Global Patent Operation

20070041836 - Arrangement for the admission of cooling air to a rotating component, in particular for a moving blade in a rotary machine: An arrangement is disclosed for the admission of cooling air to the internal walls of a component rotating about a rotation axis, such as a moving blade in a rotary machine. A component root can be fastened to a rotor unit in a rotationally fixed manner and adjoining in a... Agent: Buchanan, Ingersoll & Rooney PC

20070041835 - Turbine blade including revised trailing edge cooling: The present invention provides an improved cooling circuit for a trailing edge of a turbine blade. The cooling circuit includes an inlet passage that receives a airflow and distributes the airflow through a feed passage. The feed passage primarily includes trip strips, at least one barrier including cross-over holes, teardrop... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070041837 - Blade-pitch-angle control device and wind power generator: A blade-pitch-angle control device includes a memory unit in which predetermined parameters that affect the load fluctuation of blades, azimuth angles, and pitch-angle command values are stored in association with each other; an azimuth-angle detecting unit that detects the azimuth angle of each of the blades; a parameter-detecting unit that... Agent: Kanesaka Berner And Partners LLP

20070041838 - Turbine blade including revised platform: The present invention provides a turbine blade having a revised under-platform structure including a unique coating combination that reduces mechanical stress factors within the turbine blade. The turbine blade includes a platform with an airfoil extending upwardly from the airfoil and a root portion extending downwardly from the platform. Two... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070041839 - Propeller blade retention system: A propeller blade mounted with a preload adjacent a propeller blade root retention that increases the moment capacity of the retention for a given pitch diameter, yet permits pitching of the propeller blade about a blade axis in response to a propeller pitch change actuation system. During assembly, the preload... Agent: Carlson, Gaskey & Olds, P.C.

20070041840 - Rotor end piece: A rotor end piece for a rotor of a thermal turbomachine having a circumferential slot includes two end piece halves having side faces opposite one another in the installed state and top surfaces adjoining one another, the side faces of the end piece halves being connected to one another in... Agent: Darby & Darby P.C.

20070041842 - Aerofoil: An aerofoil blade for a gas turbine engine, the blade having a metallic core defining a number of cavities that contain a foamed material. The cavities are shaped such that the force of an impact on one surface of the blade is dissipated through the foam and transmitted to the... Agent: Manelli Denison & Selter

20070041841 - Methods and apparatus for reducing vibrations induced to airfoils: Methods and apparatus for fabricating a rotor blade for a gas turbine engine are provided. The rotor blade includes an airfoil having a first sidewall and a second sidewall, connected at a leading edge and at a trailing edge. The method includes forming the airfoil portion bounded by a root... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070041843 - Ventilating device, especially for a motor vehicle alternator: The ventilating device, adapted to be fixed on a rotor of a rotary electrical machine, comprises a first fan (62a) having a radial plate portion (64a), at least one second fan (62b) having a radial plate portion (64b), and means for fastening the two fans (62a, 62b), each fan (62a,... Agent: Berenato, White & Stavish, LLC

20070036649 - Method and a system for setting into coincidence, a technique, a drive device, and an aircraft: P

20070036650 - Rotor and system: According to an embodiment of the invention, a lighted vertical axis rotor comprises a rotor that is suitable for vertical axis operations and at least one light source on the rotor. A lighted vertical axis rotor system comprises a support structure, a rotor that is suitable for vertical axis operations... Agent: Billy Lau

20070036651 - Fan and blade thereof: A fan includes a frame and an impeller. The impeller is disposed in the frame and the impeller has a plurality of blades. Each blade has a wing part and a flap part, and the wing part and the flap part form a predetermined angle. A blade is also disclosed.... Agent: Birch Stewart Kolasch & Birch

20070036652 - Hollow fan blade for gas turbine engine: Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities machined out to reduce weight and form ribs. The ribs extend continuously and without intersecting one another in order to facilitate machining. The ribs extend in... Agent: Carlson, Gaskey & Olds, P.C.

20070036653 - Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control: The present invention relates to a design concept by which the power, loads and/or stability of a wind turbine may be controlled by typically fast variation of the geometry of the blades using active geometry control (e.g. smart materials or by embedded mechanical actuators), or using passive geometry control (e.g.... Agent: Foley And Lardner LLP Suite 500

20070036654 - Ceiling fan: The ceiling fan of the present invention has at least one locking mechanism, i.e., rotor brake, that may be an integral subsystem of the ceiling fan, or an add on attachment kit, either of which holds the fan rotor stationary to prevent the fan blades from rotating during cleaning or... Agent: Litman Law Offices, Ltd

20070036655 - Methods of moving the rotating means of a wind turbine during transportation or stand still, method of controlling the moving of the rotating means, nacelle, auxiliary device, control and monitoring system and use hereof: The invention relates to methods of moving the rotating means of a wind turbine during transportation or stand still. The methods may comprise the steps of: securing at least one auxiliary device to a position and connecting said device to one or more shafts of the rotating means at the... Agent: Cantor Colburn, LLP

20070036656 - Mistake proof identification feature for turbine blades: An identification feature is used to unmistakably identify internal features present in different generations of turbine blade designs. The identification feature is located on a root portion of the turbine blade and protrudes to provide a visually identifiable feature that is also readable by a coordinate measuring machine, but does... Agent: Kinney & Lange, P.A.

20070036657 - Rotor blade for a wind power system: The invention pertains to a rotor blade for a wind power system as well as a wind power system. The present invention is based on the objective of disclosing a rotor blade with a rotor blade profile and a corresponding wind power system that make it possible to improve the... Agent: Seed Intellectual Property Law Group PLLC

20070036658 - Tunable gas turbine engine fan assembly: A gas turbine engine fan having blades embedded with a composite material. The size and the stiffness of the composite material control the vibratory characteristics of the blade without affecting the external blade profile. Accordingly, the gas turbine engine fan may use blades having similar external profiles with differing vibratory... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070036659 - Method of manufacturing a wind turbine blade, wind turbine blade, front cover and use of a front cover: The invention relates to a method of manufacturing a wind turbine blade, said method comprising the steps of: casting at least two wind turbine shells and preferably one or more load bearing structures, forming a wind turbine blade structure including at least two longitudinal joints by adhering said at least... Agent: Cantor Colburn, LLP

20070036660 - Low-profile impeller bolt: An impeller for a self-primer pump is structured for attachment to the terminal end of a drive shaft by means of a bolt that is configured to provide a low profile such that the eye of the impeller is rendered capable of processing larger solids that are entrained in fluid.... Agent: Morriss O'bryant Compagni, P.C.

20070031251 - Blade cooling: In order to couple coolant air flow presented through a coolant gallery 4, 24 through an opening 7, 27 into a passage 8, 28 a flow deflector 6, 26 is provided. The flow deflector 6, 26 progressively deflects the coolant air flow 5, 25 through the opening 7, 27 such... Agent: Manelli Denison & Selter

20070031252 - Component comprising a multiplicity of cooling passages: A component comprises a multiplicity of cooling passages arranged in two intersecting arrays to form a multiplicity of cooling passage intersections. Air jet interactions are generated at cooling passage intersections when air is passed through the cooling passages. The spacing of the passages in at least one of the arrays... Agent: Oliff & Berridge, PLC

20070031253 - Rotor for passively stable helicopter: A rotor (10) that enables an aircraft to become passively stable in hover. The inner part of the rotor blades (11) have a pitch angle fixed relative to a reference plane perpendicular to the rotor shaft (18) axis, and the tip of the rotor blades being connected to a ring... Agent: Christian D. Abel

20070031254 - Fluid flow energy conversion apparatus: Tidal forces used for generation of electrical power has long been a solution to a recognized need. A really practical device to convert the energy of the fluid flow through tidal inlets into electrical power is the subject of this invention.... Agent: Cecil Albert Rains

20070031256 - Centrifugal motor (cm): A two-stage power generator which operates solely on re-circulating fluid. In the first stage a spinning container develops centrifugal force which pressurizes the fluid inside, creating a hybrid form of energy—Potential Energy in Motion (PEM). In the second stage the spinning pressurized fluid drives a turbine forward relative to its... Agent: John Charles Bowles

20070031255 - Thermally compliant turbine shroud mounting: A shroud segment is adapted to surround a row of rotating turbine blades in a gas turbine engine. The shroud segment includes: an arcuate, axially extending first mounting flange having a first radius of curvature, and an arcuate, axially extending first overhang having a second radius of curvature. The overhang... Agent: Adams Evans P.A.

20070031257 - Propeller fan for heat exchanger of in-vehicle air conditioner: There is provided a propeller fan in which a clearance between a rotary vane wheel and a shroud is constant three-dimensionally to improve air blowing efficiency and suppress noise. Furthermore, there is provided a propeller fan in which a span length of the rotary vane wheel with respect to the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070031258 - Pin-loaded mounting apparatus for a refractory component in a combustion turbine engine: An apparatus for mounting a refractory component such as a turbine shroud ring segment (32) with a ceramic core (42) onto a combustion turbine engine structure (34). The ring segment has a ceramic matrix composite skin (40), and optionally, a thermal insulation layer (46). A pin (60) is inserted through... Agent: Siemens Corporation Intellectual Property Department

20070031260 - Turbine airfoil platform platypus for low buttress stress: A blade is provided for use in a gas turbine engine. The blade has a platform, an airfoil portion extending radially from a first side of the platform, and an attachment portion extending from a second or underside side of the platform. The attachment portion includes a buttress which abuts... Agent: Bachman & Lapointe, P.C. (p&w)

20070031259 - Turbine blades: A turbine blade is provided for use in a gas turbine engine. The turbine blade has a platform, an airfoil radially extending from the platform, and an attachment portion comprising an asymmetric root neck portion having a higher stress side and a lower stress side. The turbine blade may further... Agent: Bachman & Lapointe, P.C. (p&w)

20070031261 - Turbine having variable throat: The invention relates to a turbine (1) for a turbocharger, comprising a turbine wheel (2) and a turbine housing (5) forming a passage (6) for guiding a fluid flow to the turbine wheel (2), said passage (6) comprising a variable throat providing a throat area (8) as a smallest cross... Agent: Honeywell Turbo Technologies

20070031262 - Computer cooling fan: A cooling apparatus to increase airflow over electronic components is disclosed. The cooling apparatus comprises a non-flat hub disposed substantially centered about an axis of rotation. A plurality of fan blades, each of the plurality of fan blades is connected at a first end to an outer shell of the... Agent: Jonathan Y. Kang, Esq. Lee, Hong, Degerman, Kang & Schmadeka

20070025852 - Cooling channel formed in a wall: A wall in which there is formed at least one cooling channel, said wall being cooled by cool air flowing in the channel, the channel comprising a hole and a diffusion portion, the hole opening out at one end into the inside surface of the wall, and at its other... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025851 - Core for turbomachine blades: The present invention relates to a ceramic core used in the manufacture, by lost wax casting, of a turbomachine blade with cooling cavities and a squealer, comprising at least one main core, wherein the main core (10) comprises an element (10B) shaped so as to constitute the squealer and an... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025853 - Electric swiveling mechanism for two axes: The present invention discloses a portable multimedia player which comprises a panel, a base, and an electric swiveling mechanism for two axes combining the panel and the base. The electric swiveling mechanism further comprises a first swiveling mechanism and a second swiveling mechanism for controlling yaw and pitch swiveling, respectively.... Agent: Rosenberg, Klein & Lee

20070025854 - Gas turbine engine with purge air pump and guide: A pump/flow guide is positioned in a gas turbine engine and attached to a transition duct to face a turbine disk. The pump/flow guide provides a smooth path for guiding purge flow to resist the ingestion of hot gas. One leg of the pump/flow guide extends radially outwardly and contacts... Agent: Carlson, Gaskey & Olds, P.C.

20070025855 - Checking of turbomachine blades: The present invention relates to the checking of turbomachine blades having a profile comprising a centerline, a suction face, a pressure face, a leading edge and a trailing edge, consisting in: measuring geometrical coordinates of a plurality of points located on the profile of at least one blade section; calculating... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025856 - Multi-piece passive load reducing blades and wind turbines using same: A wind turbine includes a tower and a generator on the tower. The generator includes a rotor with at least one assembled blade. The assembled blade includes at least an inner piece, an outer piece, and a joint configured for assembly and disassembly of the inner piece and said outer... Agent: Patrick W. Rasche (22402)

20070025857 - Turbomachine blade: A turbomachine blade presenting a free end having an end wall from which there projects a rim, the rim comprising a first fraction starting from the trailing edge of the blade and running along the suction side of the blade to a connection zone, and a second fraction of closed... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025858 - Methods and apparatus for producing wind energy with reduced wind turbine noise: A trailing edge cap for a blade includes a body configured to mount on at least two differently at least one of sized and shaped blades such that the body at least partially covers an original trailing edge portion of the blade. The body has a body edge portion for... Agent: Patrick W. Rasche (22402)

20070025859 - Methods and apparatus for reducing load in a rotor blade: A blade includes a plurality of first fibers, wherein each of the plurality of first fibers is angled between about 5° and about 35° with respect to a pitch axis of said blade, and a plurality of second fibers, wherein each of the plurality of second fibers is angled between... Agent: Patrick W. Rasche (22402)