Fluid reaction surfaces (i.e., impellers) inventions 01/07

20070020099 - Noise reduction of aircraft flap: A reduction in noise radiating from a side of a deployed aircraft flap is achieved by locating a slot adjacent the side of the flap, and then forcing air out through the slot with a suitable mechanism. One, two or even three or more slots are possible, where the slot... Agent: Nasa Langley Research Center

20070020100 - Cooled turbine blade or vane for a gas turbine, and use of a turbine blade or vane of this type: The invention relates to a turbine blade or vane for a gas turbine, having a blade or vane root, which is successively adjoined by a platform region with a transversely running platform and then a blade or vane profile which is curved in the longitudinal direction, having a platform surface,... Agent: Siemens Corporation Intellectual Property Department

20070020101 - Fan rotor design for coincidence avoidance: A fan rotor capable of avoiding coincidence will include a fan hub comprising one or more slots each designed to receive a fan blade; and one or more fan blades disposed within the slots. One or more slots will comprise an Rz′ baseline and have one or more second fan... Agent: Bachman & Lapointe, P.C. (p&w)

20070020102 - Gas turbine blade or vane and platform element for a gas turbine blade or vane ring of a gas turbine, supporting structure for securing gas turbine blades or vanes arranged in a ring, gas turbine blade or vane ring and the use of a gas turbine blade or va: The invention relates to a gas turbine blade or vane ring having a supporting structure and gas turbine blades or vanes secured to it. The gas turbine blades or vanes have a blade or vane root, which is successively adjoined by a platform and then a blade profile which is... Agent: Siemens Corporation Intellectual Property Department

20070020103 - High efficiency axial fan: An axial fan (1) rotating in a plane (XY) about an axis (2) comprises a central hub (3), a plurality of blades (4), which have a root (5) and a tip (6), the blades (4) being delimited by a concave leading edge (7), whose projection in the fan plane of... Agent: Nath & Associates

20070020104 - Rotor blade assembly with high pitching moment airfoil section for a rotary wing aircraft: A main rotor blade assembly with a high negative pitching moment airfoil section having a pitching moment coefficient beyond (more negative than) −0.035 at Mach Numbers below 0.80 and a blade taper of 1:5 or greater.. The main rotor blade preferably limits blade torsional bending and an aft loaded tip... Agent: Carlson, Gaskey & Olds, P.C.

20070020105 - Lamellate cmc structure with interlock to metallic support structure: A component (10) for a gas turbine engine formed of a stacked plurality of ceramic matrix composite (CMC) lamellae (12) supported by a metal support structure (20). Individual lamellae are supported directly by the support structure via cooperating interlock features (30, 32) formed on the lamella and on the support... Agent: Siemens Corporation Intellectual Property Department

20070014663 - 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

20070014664 - Cooled component of a fluid-flow machine, method of casting a cooled component, and a gas turbine: A cooled component of a fluid-flow machine, through which a hot working medium flows, in particular a turbine blade of a gas turbine, in whose outer wall, to which the working medium can be applied, a cooling passage is provided, through which a cooling fluid can flow along its longitudinal... Agent: Siemens Corporation Intellectual Property Department

20070014665 - Process and apparatus for manufacturing a connection and stress transmission element by overinjection: A connection and stress transmission element for automotive vehicle mechanisms, the apparatus and the process for manufacturing the joining element by ovreinjection. The joining element has a central portion (1) and a first end portion (2). The central portion (1) is of a material providing mechanical resistance and is bar-shaped,... Agent: Merchant & Gould PC

20070014666 - Centrifugal fan assembly: The present invention provides a centrifugal fan assembly including a housing and a centrifugal fan. The centrifugal fan includes main blades, each including a suction surface, a pressure surface, a leading edge, and a trailing edge. The centrifugal fan also includes secondary blades, each including a suction surface and a... Agent: Michael Best & Friedrich LLP

20070014667 - Method for loading and locking tangential rotor blades and blade design: A method of loading and locking a plurality of tangential rotor blades is provided. The method includes the steps of providing a disk having a slot and a pair of rails adjacent the slot, positioning a first snap seal in a desired location over the slot and the rails, radially... Agent: Bachman & Lapointe, P.C. (p&w)

20070014669 - Centrifugal engine: A novel kind of propulsion system that uses centrifugal force to accelerate the surrounding work-fluid. A rotor (10) with radially mounted blades (11) is enclosed by a cylindrical enclosure (12). The cylinder wall of the enclosure (12) is partially open to the surrounding work fluid. The rotor is rotated in... Agent: Glenn C. Brown, PC

20070014668 - Seal and locking plate for turbine rotor assembly between turbine blade and turbine vane: This invention relates to a seal plate system adapted to fit between axially adjacent turbine blades and turbine vanes. The seal plate system may be formed from a plate adapted to position a turbine blade in a rotor assembly and lock the turbine blade into the rotor assembly. The plate... Agent: Siemens Corporation Intellectual Property Department

20070014670 - Nozzle blade for steam turbine, nozzle diaphragm and steam turbine employing the same, and method of fabricating the same: Disclosed is a method of forming a hollow nozzle blade having drain-discharging function. A blade main body 22 is formed by die-forging process. A recess 23 is formed in the outer surface of the blade main body 22 by the die-forging process. The recess 23 is covered with a cover... Agent: Foley And Lardner LLP Suite 500

20070014671 - Pipe for steam turbine, manufacturing process of same, main steam pipe and reheat pipe for steam turbine, and steam turbine power plant using those pipes: A pipe for a steam turbine is formed of a centrifugal casting material to achieve resistance against higher temperatures and improve reliability of the pipe by employing, as a pipe material, a centrifugal casting material normalized to contain uniform and finer crystal grains. The centrifugal casting material is made of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070009357 - Led fan clip giving circular light bar during fan operation: Many people like to enhance their surroundings by decoration and setting lights and displays. The invention described in this application intends to give a novel effect to a spinning fan mainly during the later hours of a day. When a fan spins with a glowing light attached to one or... Agent: David M. Solak

20070009358 - Cooled airfoil with reduced internal turn losses: A cooled airfoil 10 has an internal fluid passage 34 that includes upstream and downstream legs, such as a co-centrifugal leg 40 and a counter-centrifugal leg 42. The legs are separated from each other by a rib 44 but are connected in series with each other. The airfoil also includes... Agent: Pratt & Whitney

20070009359 - Industrial gas turbine blade assembly: A gas turbine blade assembly includes a neck defining a neck cavity, and has a first end and a second end at an opposite side relative to the first end. A platform has first and second sides. The first side is disposed on and faces the second end of the... Agent: Pratt & Whitney

20070009360 - Non-parallel spacer for improved rotor group balance: The present invention provides apparatus and methods for balancing stacked components of rotating machinery, such as in a gas turbine engine. Unlike conventional processes and devices for balancing stacked components, the present invention may use a single non-parallel spacer for obtaining an acceptable and repeatable component group balance. The non-parallel... Agent: Honeywell International Inc.

20070009361 - Lightning protection of a pitch-controlied wind turbine blade: A wind turbine rotor including a rotor hub (3) and a plurality of blades (4), and where each blade root (16) is connected to said rotor hub through a pitch bearing (5) in such a manner that the pitch angle of the blade is adjustable by a turning of the... Agent: Donald S Dowden Cooper & Dunham

20070009363 - Ceiling fan air purification system: A ceiling fan which comprises of one and or two air purification systems for filtering Particulates and or odor's from the air. Which a plurality of point of ionization sources are positioned in the proximity of the periphery of an air flow which channel's through the fan blades directional air... Agent: Paulmicheal Lee King

20070009362 - Combination of ceiling fan and light unit: A ceiling fan includes a bottom hood with a tube which has a passage defined axially therethrough and a fixing device is connected to the tube and includes a compartment in which a first connection member is received. A first end of the first connection member extends through a radial... Agent: Rosenberg, Klein & Lee

20070009364 - Blade for ceiling fan: A blade of a ceiling fan includes a first flat end fixed to a blade bracket and a second end which includes an activation portion which includes a convex protruding from a top of the second end of the blade and a concavity is defined in an underside of the... Agent: Rosenberg, Klein & Lee

20070003415 - Mixing impeller and method with weld locations: An impeller blade for a top skin element joined to a bottom skin element. The blade can have an air foil shape. A pre-shaped tip is joined to the radial outside end of the blade.... Agent: Baker & Hostetler LLP

20070003416 - Niobium silicide-based turbine components, and related methods for laser deposition: A turbine component formed from a niobium silicide-based composition is described. The component can be compositionally-graded through at least a portion of its structure. A turbine blade formed from a composition which includes a niobium silicide alloy is also described. The blade includes an airfoil; an airfoil tip region; a... Agent: General Electric Company Global Research

20070003418 - Countering laser shock peening induced airfoil twist using shot peening: A gas turbine engine blade is laser shock peened by laser shock peening a thin airfoil of the blade, forming a laser shock induced twist in the airfoil, and shot peening a portion of the airfoil to counter the laser shock induced twist in the airfoil. The shot peening may... Agent: Steven J. Rosen

20070003417 - Countering laser shock peening induced blade twist: A method for laser shock peening a gas turbine engine blade includes laser shock peening a thin airfoil of the blade, forming a laser shock induced twist in the airfoil, and altering a root of the blade to counter the laser shock induced twist in the airfoil. The altering may... Agent: Steven J. Rosen Patent Attorney