Fluid reaction surfaces (i.e., impellers) inventions 04/07

20070092375 - Circumferential air conditioning fan: The circumferential air conditioning fan includes a housing, centrifugal fan, and a drive motor. The housing has a containing space, and one end of the containing space has an air inlet, and the side of the containing space has a circumferential air outlet. A centrifugal fan is placed in the... Agent: Egbert Law Offices

20070092376 - Electronics cooling fan with collapsible fan blade: An electronics cooling fan comprises at least one collapsible fan blade driven by centrifugal force to extend radially as the fan spins and driven by elastic force to retract as spinning slows or stops.... Agent: Hewlett Packard Company

20070092377 - Ceiling fan mounting apparatus background of the invention: A ceiling fan mounting apparatus includes a mounting unit and a cover member covering the mounting unit. The mounting unit includes a base member for being mounted to a ceiling, and a support bracket for being connected with the ceiling fan. By combining the mounting unit and the cover member... Agent: Troxell Law Office PLLC

20070092378 - Blade and a rotor arrangement: 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... Agent: Oliff & Berridge, PLC

20070092379 - Method of manufacturing a composite turbomachine blade, and a blade obtained by the method: The invention relates to a method of manufacturing a composite turbomachine blade, the method comprising the following steps: a) making a preform by three-dimensionally weaving yarns including tracer yarns disposed at least at the surface of the preform; b) cutting out said preform so as to leave intact a series... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070086893 - Method and apparatus to determine the wind speed and direction experienced by a wind turbine: An apparatus and a method used to determine the speed and direction of the wind experienced by a wind turbine are provided. The apparatus comprises at least one sensor fixed to the rotor of the wind turbine, an angular sensor to measure the angular position of the rotor of the... Agent: Winston & Strawn LLP Patent Department

20070086894 - Elastomeric bearing elements for droop stop mechanisms: An elastomeric bearing element having an outer race, an inner race, and at least two elastomeric segments secured between the inner and outer races is provided. The elastomeric segments are spaced from one another by a corresponding number of expansion segments. The elastomeric segments provide a first spring rate when... Agent: Charles N.j. Ruggiero, Esq. Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070086895 - Savonius rotor blade construction particularly for a three bladed savonius rotor: A Savonius vertical axis wind turbine rotor, that is effective yet relatively easy to manufacture, includes a number of spokes, vanes, and fasteners. Each spoke has a hub having a central opening, three at least partially arcuate ribs extending radially outwardly from the hub with inner (concave) and outer (convex)... Agent: Robert A. Vanderhye

20070086896 - Turbomachine rotor including at least one disk reinforced by a composite ring: A turbomachine rotor including at least one disk having a ring constituted, for example, by a winding of metal-coated silicon carbide or alumina yarn. According to the invention, the composite ring is received in a closed annular cavity, e.g. defining by machining a groove in an enlarged portion of the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070086897 - Wind turbine blade: A wind turbine blade includes a drain comprising at least one bore formed on the surface of the blade and communicating with the interior of the blade, the bore being located at the root area. The bore is preferably from 8 mm to 15 mm wide. In blades having an... Agent: Patton Boggs

20070081894 - Turbine blade with vibration damper: A blade assembly (10) for a turbine (16) including a vibration damper (12) having a mounting base (38) sealingly disposed at an inlet end (24) of a cooling fluid passageway (22) within the root section (20) of the blade assembly and including an opening (40) in the mounting base for... Agent: Siemens Corporation Intellectual Property Department

20070081896 - Actuator for adjusting a rotor blade pitch angle: Actuator for adjusting pitch angle of a rotor blade of a wind turbine rotatably mounted on a rotor hub, comprising a first drive element connectable with the rotor blade, a second drive element in meshing engagement with said first drive element, a lubricating device for lubricating the two drive elements... Agent: Peters Verny , L.L.P.

20070081897 - Propeller pitch change system: A pitch change system includes a yoke assembly which receives a pitch trunnion that extends from each propeller blade assembly. Each pitch trunnion is received within a respective bearing assembly mounted in the yoke assembly. The bearing assemblies are mounted between a forward yoke plate and an aft yoke plate.... Agent: Carlson, Gaskey & Olds, P.C.

20070081898 - Turbine cascade structure: A turbine blade cascade structure includes a plurality of blades arranged in series in a circumferential direction on a wall surface, in which a corner portion defined by the wall surface and a front edge portion of each of blade bodies supported by the wall surface, to which a working... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070081899 - Apparatus and method for attaching a rotor blade to a rotor: An apparatus and method for attaching a rotor blade to a rotor, particularly for a gas turbine, is disclosed. The rotor blade has a blade vane and a blade root, such that the blade vane can be attached to or anchored in the rotor by the blade root. The blade... Agent: Crowell & Moring LLP Intellectual Property Group

20070081900 - Method for the production of a leadthrough in a fibre compound material, as well as a rotor blade for a wind energy facility with a leadthrough: A method for the production of a leadthrough in a fibre compound material for a rotor blade, with the following procedure steps: an opening free of fibres (12) is provided in a half-finished fibre product such that the fibres run around the opening (12), the half-finished fibre product is processed... Agent: Vidas, Arrett & Steinkraus, P.A.

20070081901 - Vibration damper coating: A coated fan rotor blade and method for coating a fan rotor blade. The coated fan rotor blade includes a fan rotor blade; and a coating disposed on said fan rotor blade. The coating comprises a binder; and a filler made up of a plurality of particles. The filler material... Agent: Mcnees Wallace & Nurick LLC

20070077143 - Bi-layer tip cap: A tip cap for use in a turbine bucket. The tip cap may include a shield of an oxidant resistant material and a cap positioned within the shield of a high strength material.... Agent: Sutherland Asbill & Brennan LLP

20070077144 - Dust resistant platform blade: A gas turbine engine rotor blade includes an airfoil, platform, shank, and dovetail integrally joined together. A dust escape hole extends through the platform adjacent a fillet bridging the platform and shank to bleed dust therefrom during operation.... Agent: Francis L. Conte, Esq.

20070077145 - Omni directional baffled wind energy power converter apparatus and method: A wind turbine apparatus, comprising an upright shaft defining an upright axis, at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about the axis, the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion... Agent: William W. Haefliger

20070077146 - Steam turbine rotor, inverted fir-tree turbine blade, low pressure steam turbine with those rotors and blades, and steam turbine power plant with those turbines: In a turbine rotor in which a rotor material has lower tensile strength than a blade material and the difference in tensile strength between both the materials is large, a strength margin on the blade side is properly distributed to a strength margin on the rotor side with the aim... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070077147 - Centrifugal compressing apparatus: In a centrifugal compressing apparatus, a height of a blade of an impeller is made to decrease gradually from a front edge thereof to a rear edge thereof, and a rate of change of the height of the blade is relatively large near the rear edge. The height of the... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070077149 - Compressor blade with a chamfered tip: The invention relates to a compressor blade for a rotary disk of a turbine engine, the blade presenting orthogonal axes that are longitudinal, tangential, and radial, said blade extending radially between a root and a tip, and longitudinally between a leading edge and a trailing edge, said blade being for... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070077148 - System for restoring turbine vane attachment systems in a turbine engine: A system and method for repairing turbine vane attachment systems in a turbine engine. In at least one embodiment, the invention may be directed to a system and method for repairing wear on a diaphragm hook fit configured to attach diaphragm airfoils, such as stationary turbine vanes, to a combustion... Agent: Siemens Corporation Intellectual Property Department

20070077150 - Wind turbine with noise-reducing blade rotor: Wind turbine with a blade rotor (11) which reduces noise by the inclusion of a set (21) of flexible bristles (23), aligned in at least one row, on the trailing edge (15) of the aerodynamic profile of the blades (11) and protruding over it, which allows the pressure fluctuations to... Agent: Ladas & Parry