Fluid reaction surfaces (i.e., impellers) inventions 09/08

20080232963 - Turbine shroud segment transpiration cooling with individual cast inlet and outlet cavities: A shroud segment of a turbine shroud of a gas turbine engine comprises a platform with front and rear legs. The platform defines a plurality of axially extending holes with individual inlets on an outer surface of the platform for transpiration cooling of the platform of the turbine shroud segment.... Agent: Ogilvy Renault LLP (pwc)

20080232964 - Daisy fan: Here is disclosed an elongate style portable mechanical fan device having an elongate body handle portion including a four blade fan device mounted on the top end of the body portion. The elongate handle portion is designed with a spring loaded grip for mechanical squeeze operation. A twist top scent... Agent: Lawrence Edward Thomasson

20080232965 - Articulated false seabed: A support system for at least one water drivable turbine (1) that when in operation is immersed in a column of flowing water, characterized in that the system includes a deck or raft (3) for supporting said at least one turbine when immersed, the deck or raft (3) having an... Agent: Indianapolis Office 27879 Brinks Hofer Gilson & Lione

20080232966 - Detachable blade assembly for horizontal-axis wind turbine: A blade assembly for a horizontal-axis wind turbine includes a hub, and a plurality of detachable blade units each mounted on a periphery of the hub and each including a plurality of blades detachably connected with each other by a plurality of connecting devices. Thus, the blade assembly comprises a... Agent: Kamrath & Associates P.A.

20080232967 - Centrifugal fan: The invention relates to an impeller device (10) for centrifugal fans (1), comprising a centre wheel (40), at least one side disc (20, 30) and fan blades (50). The invention is characterised in that the centre wheel (40) and the side disc(s) (20, 30) are equipped with attachment devices (24,... Agent: Christian D. Abel

20080232968 - Non-axisymmetric end wall contouring for a turbomachine blade row: A turbomachine blade row is provided having a hub that includes a non-axisymmetric end wall modified by a transformation function. The blade row further includes a circumferential row of a plurality of airfoil members radially extending from the non-axisymmetric end wall of the hub and forming a plurality of sectoral... Agent: Honeywell International Inc.

20080232969 - Rotary assembly for a turbomachine fan: A rotary assembly for a turbomachine fan comprises: a disk rotatable about an axis; a plurality of blades fastened by their roots to said disk and extending radially outwards from said disk; and a plurality of inter-blade platforms, each extending between two adjacent blades and defining the inner profile for... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080232970 - Mold assembly and method for injection molding of an impeller, and impeller formed by said method: A mold assembly and a method for injection molding of an impeller, and an impeller formed by the method are provided. The mold assembly comprises a first mold, a central mold, and a second mold. The central mold encircles the first mold, and the second mold matches with the first... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20080232971 - Coated turbine blade: The invention refers to a coated turbine blade for a gas turbine, having blade walls divided into sections with locally adapted material temperatures. The cooler material temperatures of the blade walls are at the points where the support ribs merge into the blade walls. The regions with higher material temperatures... Agent: Siemens Corporation Intellectual Property Department

20080232972 - Blade fixing for a blade in a gas turbine engine: The blade fixing comprises a firtree having a width between two opposite surfaces, each defining a plurality of successive necks separated from one another by arcuate lobes. Each of the opposite surfaces is substantially flat and substantially parallel to the other at the narrowest point of a first one of... Agent: Ogilvy Renault LLP (pwc)

20080232973 - Propeller blade: An improved propeller blade is presented. The improved blade has a slot near the tip. This improved blade outperforms and is more efficient than other modified and unmodified blade tip configurations.... Agent: Saint Louis University Office Of Innovation And Intellectual Property

20080226448 - Profile deformation using the example of a rotor blade: An aerodynamic profile includes a main profile body defining a profile depth direction and being shear-flexible in the profile depth direction, a tension-stiff and compression-stiff upper covering skin, a tension-stiff and compression-stiff lower covering skin, wherein the upper and lower covering skins envelope the main profile body, a bearingless and... Agent: Darby & Darby P.C.

20080226449 - Combined light fitting and ceiling fan: A combined ceiling fan and light fitting (fan/light) (1) having folding fan blades (12) is provided. The fan light (1) has a blade support (13) arranged to be rotated by an electric motor (6), with blades (12) being secured to the blade support (13), a root end of each blade... Agent: Brooks Kushman P.C.

20080226461 - Intensively cooled trailing edge of thin airfoils for turbine engines: A cooling system designed to cool the trailing edge of a turbine blade usable in rear stages of a turbine engine. The turbine blade may have a leading edge cooling cavity and a trailing edge cooling cavity separated by an impingement rib. The cooling system may exhaust cooling fluids through... Agent: Siemens Corporation Intellectual Property Department

20080226462 - Cast features for a turbine engine airfoil: An airfoil for a turbine engine includes a structure having a cooling passage that has a generally radially extending cooling passageway arranged interiorly relative to an exterior surface of the structure. The cooling passageway includes multiple cooling slots extending there from toward the exterior surface and interconnected by a radially... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080226450 - Turbine with coaxial sets of blades: A turbine (5) having at least two sets of co-axially mounted, rotatable blades (10, 15) arranged so that one set cannot eclipse another. Preferably, the sets of blades (10, 15) are contra-rotatable. Each set of blades (10, 15) may be operable to extract similar amounts of energy, thereby to minimise... Agent: Alston & Bird LLP

20080226451 - Wedge shaped wind boosters: A plurality of wedge shaped wind boosters on the interior of the curved panel wind sails of a vertical axis windmill, located on a vertical steel tower producing power produced by the electric generator located in the generating room of tower at ground level.... Agent: Frank James Tatar

20080226452 - Modular fan housing: A modular fan housing unit designed to create a focused column or columns of downwardly moving air such that there is little deflection when the column or columns of downwardly moving air arrives at the ground level. The modular fan housing includes an elongated body element having a fluid impelling... Agent: Indianapolis Office 27879 Brinks Hofer Gilson & Lione

20080226453 - Balanced turbine rotor fan blade for a tip turbine engine: A fan-turbine rotor assembly for a tip turbine engine includes a multiple of fan blades, which include an inducer section (66), a hollow fan blade section (72) and a diffuser section (74). The hollow fan blade section defines a airflow passage (80). The core airflow is turned, spread and split... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080226454 - High efficiency cooling fan: A cooling fan includes an impeller which comprises a plurality of radially extending blades, each of which includes a blade hub, a blade tip and a blade midspan approximately midway between the hub and the tip. In addition, each blade includes a camber of between about 60° and 90° at... Agent: Henry C. Query, Jr.

20080226456 - Fan assembly and method: Fans according to some embodiments of the present invention include a spider, a central hub coupled to the spider, and two or more fan blades. One or more fan design features can be employed (alone or in combination) in the fans of the present invention, including the use of spider... Agent: Greenberg Traurig (phx)

20080226455 - Quick click: The Quick-Click is a ceiling fan blade holder that utilizes spring-loaded balls to clamp a ceiling fan blade to it rather than traditional screws. To use The Quick Click, a user would press the spring-loaded button to make the balls move out of position and release their clamp on the... Agent: Raymond M. Galasso Galasso & Associates Lp

20080226457 - Turbomachine rotor disk: A turbomachine rotor disk (32) comprising inter-blade platforms (44) fixed to ribs (16) delimited by cavities (14) in which blade roots (20) are retained, and protective liners (30) mounted between the flanks of the cavities (14) of the disk (32) and the blade roots (20), wherein the protective liners (30)... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080226458 - Turbomachine fan: A turbomachine fan (10) comprising blades (16) mounted in slots (23) at the periphery of a rotor disk (12), and inter-blade platforms (20) having radial lugs for fastening to corresponding lugs of the disk (12), wherein each platform (20) is fastened to the disk (12) by means of a pin... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080226459 - Rotor blade for a bearingless rotor of a rotorcraft: A rotor blade for a bearingless rotor of a rotorcraft includes a flapwise-flexible and lead-lag-flexible rotor blade attachment region, an inner rotor blade segment, and an outer rotor blade segment. The inner rotor blade segment includes a blade root region and an aerodynamically effective rotor blade profile having a front... Agent: Darby & Darby P.C.

20080226460 - Compressor rotor: A blade as a main body of a rotor blade has a suction side made convex and a pressure side made concave so as to have an aerofoil profile. A squealer tip having a back face continuous to the suction side and a front face matching with a center plane... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080219845 - Fan: A fan includes an impeller, a motor, a plurality of first engaging members and a plurality of second engaging members. The impeller includes a hub and a plurality of blades disposed around the hub. The motor includes a rotor housing coupled with the hub, and the motor is for driving... Agent: Birch Stewart Kolasch & Birch

20080219855 - Turbine blade with micro-turbine nozzle provided in the blade root: A turbine blade, in the blade root (2) of which a curved and converging micro-turbine nozzle is provided, includes a passage duct (6) with large diameter originating at a cooling-air chamber (3) in the blade root, with a separately prefabricated micro-turbine nozzle element (7) with minimized flow cross-section, that is... Agent: Harbin King & Klima

20080219854 - Turbine component with axially spaced radially flowing microcircuit cooling channels: An airfoil for a gas turbine engine component such as a turbine blade or a vane includes at least one microcircuit cooling channel having a plurality of sub-channels extending along a radial direction of the airfoil. The plurality of channels are axially spaced, and are fed by radially spaced inlets.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080219846 - Apparatus for hydraulically adjusting the blades of an impeller of an axial-flow fan: An apparatus for hydraulically adjusting the blades of an impeller of an axial-flow fan, comprising an adjustment cylinder that on both sides of a piston displaceably disposed in the cylinder has a first chamber and a second chamber respectively provided with a connection to control oil lines connected to four-way... Agent: Robert W. Becker & Associates

20080219847 - Method and apparatus for propelling an intercepted fluid: An apparatus that is rotatable around a first axis to propel an intercepted fluid in a radial direction. The apparatus has a support capable of being rotated around the first axis, a first blade assembly, and a second blade assembly. The first blade assembly has a first blade with a... Agent: Wood, Phillips, Katz, Clark & Mortimer

20080219849 - Low camber microfan: A cooling fan comprises an impeller which includes a plurality of radially extending blades, each of which includes a blade hub, a blade tip and a blade midspan approximately midway between the hub and the tip. In addition, each blade comprises a blade suction surface, and substantially the entire blade... Agent: Henry C. Query, Jr.

20080219848 - Propeller: The inventive propeller consists of a shaft comprising at least two hubs which are mounted thereon and provided with blades fixed to each of them. Each blade has a front and rear sharp edges and is embodied in such a way that the greater airfoil thickness thereof is equal to... Agent: Zborovsky I.

20080219850 - Wind turbine: A method of designing a rotor for a horizontal axis wind turbine. The method combines an actuator disk analysis with a cascade fan design method to define the blade characteristics, including the shape and size of the blades, such that the maximum amount of energy is extracted from the air... Agent: Pearl Cohen Zedek Latzer, LLP

20080219851 - Integrated shear webs for wind turbine blades: The present invention includes a method for fabricating elongated wind turbine blades and wind turbine blades formed by the method. The method includes providing a first shell reinforcing fiber structure. At least one shear web reinforcing fiber structure is positioned adjacent to the first shell reinforcing fiber structure. The method... Agent: Mcnees Wallace & Nurick Llc

20080219852 - Fluid-flow machine and rotor blade thereof: A fluid-flow machine, especially for an aircraft engine, includes a rotor having rotor blades 3. The rotor blades 3 include, on a suction side 9, at least two zones of different surface finish, with one zone being positioned between a rotor blade 3 leading edge 5, a casing line 1,... Agent: Harbin King & Klima

20080219853 - Multi-alloy turbine rotors and methods of manufacturing the rotors: A dual alloy turbine rotor is provided and includes an integrally formed blade ring and a disk. The blade ring is made of a first alloy and includes a ring portion and a plurality of airfoils extending therefrom, where the ring portion includes an inner surface, and each airfoil includes... Agent: Honeywell International Inc.

20080213093 - impeller for pumps: A rotary wheel (1) for radial pumps includes an intermediate wall (6) at which one or more vanes (2a, 2b) are provided on both sides. Passage openings (3) are formed in the intermediate wall (6) in order to distribute a desired pump flow onto the vanes (2a, 2b) on both... Agent: Townsend And Townsend And Crew, LLP

20080213094 - Ceiling fan with rotary blade surface light: In a ceiling fan having a blade surface light, an annular blade surface light including a plurality of LEDs that are light emitters that are continuously placed is secured on a circumference that connects sides near tips of a plurality of rotary blades of the ceiling fan, and the light... Agent: Young & Thompson

20080213095 - Wind turbine pitch bearing, and use hereof: The invention relates to a wind turbine including at least two pitch controlled wind turbine blades. Each blade has pitch bearings including two or more bearing rings, and pitch controlling means for pitching the blades by means of the bearings. The blades are mounted on a hubs via the pitch... Agent: Cantor Colburn, LLP

20080213096 - Sealing element for use in a fluid-flow machine: A sealing element for sealing a component gap with respect to a flow, in particular for use in a fluid-flow machine, specifically in a turbomachine is provided. In addition a fluid-flow machine is provided including such a sealing element for sealing a component gap. The sealing element includes a hollow... Agent: Darby & Darby P.C.

20080213097 - Angled airfoil extension for fan blade: An angled fan blade extension includes an attachment portion and an angled portion. The attachment portion is configured to facilitate securing the angled fan blade extension to the distal end of a fan blade. The angled portion is configured to extend from the distal end of the attachment portion, creating... Agent: Frost Brown Todd, LLC

20080213098 - Free-standing turbine blade: There is described a blade for a turbomachine, such as a steam turbine. The blade has a blade tip, which is curved in relation to the blade airfoil profile. The curvature has the shape of a winglet, which is known from aircraft construction.... Agent: Siemens Corporation Intellectual Property Department

20080213100 - Fan blade structure: A fan blade comprises a first board and a second board, wherein the density of the first board is greater than that of the second board, so that the first board is used to strengthen the structure strength of the second board. Therefore, the fan blade is less likely to... Agent: Banger Shia

20080213099 - Ni-fe based forging superalloy excellent in high-temperature strength and high-temperature ductility, method of manufacturing the same, and steam turbine rotor: An Ni—Fe based superalloy forging material including 30 to 40 wt % of Fe, 14 to 16 wt % of Cr, 1.2 to 1.7 wt % of Ti, 1.1 to 1.5 wt % of Al, 1.9 to 2.7 wt % of Nb, 0.05 wt % or less of C and... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.