Fluid reaction surfaces (i.e., impellers) inventions 10/07

20070248462 - Multiple cooling schemes for turbine blade outer air seal: A blade outer air seal is provided with a plurality of distinct cooling circuit schemes. Preferably, compact heat exchanger structures are utilized, and can be individually tailored to the particular location along the blade outer air seal. As an example, a greater pressure ratio exists between the products of combustion... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070248463 - Wedge repair of mechanically retained vanes: A method for repairing or replacing a mechanically retained vane is provided. The method comprises the steps of forming an oversized cavity in a support structure, inserting a flared end of a vane in the oversized cavity, and inserting a wedge for mechanically retaining the flared end of the vane... Agent: Bachman & Lapointe, P.C. (p&w)

20070248464 - Nested turbine bucket closure group: A closure bucket group for mounting on a dovetail of a turbine wheel. The closure bucket group may include a leading bucket with a leading bucket rear side, a closure bucket with a closure bucket front side and a closure bucket rear side, and a trailing bucket with a trailing... Agent: Sutherland Asbill & Brennan LLP

20070248465 - Optimized aerodynamic profile for a turbine blade: When cold and in the non-coated state, the aerodynamic profile is substantially identical to a nominal profile determined by the rectangular coordinates X,Y,Z′ given in Table 1, in which the X coordinate is measured in the axial direction of the turbine, and the Z′ coordinate is the quotient D/H, where... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070248466 - Turbine and rotor therefor: A rotor that consists of a central hub or shaft and a plurality of boot shaped integral blade/vane units that combine a pronounced elongated vane tip extending substantially toward the incoming flow and also the direction of rotation forming a helix or pitch angle to the rotation axis centreline, preferably... Agent: David A. Guerra International Patent Group, LLC

20070243072 - Light-emitting fan: A hand-held fan comprising a plurality of blades, each blade coupled to another blade via a joint. The fan further comprises webbing between each of the plurality of blades and a chemi-luminescent module coupled to one of the plurality of blades. The chemi-luminescent module emits light visible through the webbing... Agent: Conley Rose, P.C. David A. Rose

20070243063 - Offshore wind turbine structures and methods therefor: Structures and methods for elevating and retracting offshore wind turbine assemblies. Structures and methods are presented for elevating and retracting offshore wind turbine assemblies mounted on a tower in order to facilitate both service of the assemblies at any time, as well as preservation of the assemblies through storms or... Agent: Locke Liddell & Sapp LLP Attn:IPDocketing

20070243064 - Fan blade assembly for electric fan: Fan blade assemblies are provided for quiet and efficient operation in portable electric axial flow fans intended for home or office use. The blades of the fan blade assemblies include a forward sweep to provide relatively quiet operation. The camber lines of the blades are curved to provide generally concave... Agent: Hoffmann & Baron, LLP

20070243065 - Gas turbine engine component suction side trailing edge cooling scheme: A gas turbine engine component has a cooling scheme that utilizes an impingement tube to cool the suction wall and the pressure wall of a mid portion of an airfoil. The impingement tube is formed to not have impingement holes on an end of the impingement tube spaced toward the... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070243066 - Vertical axis wind turbine: A vertical axis sail-type wind turbine includes an array of sail-like structures that are mounted on rotating main masts. The sail-like structures can be oriented to interact with the wind. For example, when the sail-like structures are moving in a downwind direction, they are oriented to present a flat surface... Agent: Moore & Hansen, Pllp

20070243067 - Gas turbine or compressor blade: Gas turbine or compressor blade, comprising a convex outer surface or suction side and a concave inner surface or pressure side, these sides being joined at their upstream ends by a leading edge and at their downstream ends by a trailing edge for the gases and terminating on a platform,... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070243068 - Tip cambered swept blade: A fan blade includes an airfoil having opposite pressure and suction sides extending in span between a root and tip, and extending in chord between opposite leading and trailing edges. From root toward tip, the airfoil includes increasing stagger and decreasing camber, and increasing chord length to barrel the airfoil... Agent: Francis L. Conte, Esq.

20070243069 - Aerofoil and a method of manufacturing an aerofoil: An aerofoil (35) for example a fan blade (26) comprises a leading edge (36), a trailing edge (38), a concave pressure surface extending (40) from the leading edge (36) to the trailing edge (38) and a convex suction surface (42) extending from the leading edge (36) to the trailing edge... Agent: Oliff & Berridge, PLC

20070243070 - Airfoil support: A blade or a vane preferably used in a gas turbine engine, the blade or vane being formed of a metallic core or insert with a ceramic airfoil surface bonded to the metallic insert. The insert includes a series of concave and convex portions arranged along the outer surface, in... Agent: Alfred P. Matheny

20070243071 - Laser shock peened gas turbine engine compressor airfoil edges: Gas turbine engine compressor component that has an airfoil such as a compressor blade with a metallic airfoil having a leading edge and a trailing edge and at least one laser shock peened surface extending radially along at least a portion of the leading edge and a region having deep... Agent: Steven J. Rosen Patent Attorney

20070237636 - Computer cooling fan with display device: A cooling fan is mounted in a transparent PC case and includes a first winding assembly; a blade assembly; a cross-shaped display device mounted on the blade assembly; a second power source for supplying an oscillation power; a display device including a second winding assembly, a MCU, a memory unit,... Agent: Pro-techtor International Services

20070237638 - Manufacturable and inspectable microcircuits: A method for manufacturing a turbine engine component comprises the steps of forming a first half of an airfoil portion of the turbine engine component and forming a first cooling microcircuit having at least one passageway on an exposed internal wall of the first half of the airfoil portion. The... Agent: Bachman & Lapointe, P.C. (p&w)

20070237637 - Skewed tip hole turbine blade: A turbine blade includes a hollow airfoil having a plurality of bowed tip holes extending through a tip floor thereof and skewed toward a squealer rib extending outwardly from the floor.... Agent: Francis L. Conte, Esq.

20070237639 - Turbine element: A turbine element airfoil has a cooling passageway network with a slot extending from a trailing passageway toward the trailing edge. A number of discrete posts span the slot between pressure and suction sidewall portions. A trailing array of the posts are spaced ahead of an outlet of the slot.... Agent: Bachman & Lapointe, P.C. (p&w)

20070237640 - Stow abort mechanism for a ram air turbine: A stow abort mechanism for a ram air turbine (RAT) with a strut that rotates a turbine with associated blades from a stowed position to a deployment condition comprises a stow abort lock plate with an aperture that rotates with the strut and a stow abort lock pin that engages... Agent: Hamilton Sundstrand Corporation

20070237641 - Adjustable angle fan: The adjustable angle fan comprises of a base with a mounting post to which is mounted a motor housing with an enclosed electric motor. The control for the fan speed is generally located in the base but may alternatively be positioned on the mounting post. The fan is affixed to... Agent: Joe Nieh

20070237642 - Axial flow positive displacement worm pump: An axial flow positive displacement worm pump has a pump assembly including inner and outer bodies having offset inner and outer axes respectively extending from an inlet to an outlet. At least one of the bodies is rotatable about its axis. The inner and outer bodies have intermeshed inner and... Agent: Steven J. Rosen Patent Attorney

20070237643 - Turbo fan: A turbo fan includes a plurality of blades positioned vertically in a radial direction between a main plate and a shroud. Each of the plurality of blades is formed with a slope at an outer periphery thereof to suppress generation of turbulence.... Agent: Stanzione & Kim, LLP

20070237645 - Retaining device for axially retaining a rotor disk flange in a turbomachine: The invention relates to a retention device for axially retaining a rotor disk flange, the device comprising a split annular retaining ring. The ring has an external face bearing against an internal face of the rim, thereby resulting in a first axial force, an internal face bearing against an external... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070237644 - Turbine rotor and turbine blade: The turbine rotor of the present invention has rotor hooks and rotor necks constructed to form an attachment structure with respect to an inverted fir tree blade root that has blade hooks and blade necks with an “n” number of hooks, where n≧3. In this structure, a convex portion of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070237646 - Mechanical coupling for a rotor shaft assembly of dissimilar materials: A mechanical coupling for coupling a ceramic disc member to a metallic shaft includes a first wedge clamp and a second wedge clamp. A fastener engages a threaded end of a tie-bolt to sandwich the ceramic disc between the wedge clamps. An axial spring is positioned between the fastener and... Agent: Carlson, Gaskey & Olds, P.C.

20070237647 - Closed loop, steam cooled turbine shroud: A closed loop inner shroud assembly for a gas turbine. The shroud assembly may include a shroud body, a cover plate, an inlet though the cover plate to the shroud body, a serpentine passageway through the shroud body, and an outlet from the shroud body to the cover plate.... Agent: Sutherland Asbill & Brennan LLP

20070231136 - Fan, bearing and sleeve thereof: A bearing includes an axial hole and a plurality of first grooves. The first grooves are disposed formed on the inner wall of the bearing, and extends through the top surface and to the outer wall of the bearing. The lubricant oil originally hold in the bearing can be guided... Agent: Birch Stewart Kolasch & Birch

20070231137 - Method for operating a device to vary a blade setting angle, and a varying device: A method for operating a device to vary a blade setting angle on a rotor blade of a wind power plant, comprising two variable drives each per rotor blade, a bearing element acting between the rotor blade and rotor hub which has a freely rotatable bearing ring, wherein the method... Agent: Vidas, Arrett & Steinkraus, P.A.

20070231138 - Enhanced serpentine cooling with u-shaped divider rib: A cooling passageway for use in an airfoil portion of a turbine engine component having a pressure side wall and a suction side wall is provided. The cooling passageway comprises a serpentine flow passageway through which a cooling fluid flows. The passageway has an inlet through which cooling fluid is... Agent: Bachman & Lapointe, P.C. (p&w)

20070231139 - Mounting structure for support arms in a vertical axis wind turbine, and the vertical axis wind turbine: A mounting structure for support arms in a vertical axis wind turbine is provided, which can disperse load and stress acting on joint portions between hubs and support arms of the vertical axis wind turbine or joint portions between blades and the support arms to prevent excessive stress concentration and... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070231140 - Rotary wing aircraft rod end and method of making a helicopter vehicle rod end with a precocked orientation: The invention provides a rotary wing aircraft helicopter vehicle rod end and method of making a rod end. The rotary wing aircraft rod end includes a nonelastomeric inner member having an outer bonding surface segment and an axial bore with a center bore axis, a nonelastomeric outer member having an... Agent: Lord Corporation Patent & Legal Services

20070231141 - Radial turbine wheel with locally curved trailing edge tip: The present invention provides a turbine wheel with locally curved trailing edge blade tips on the blades of the turbine wheel. The locally curved trailing edge may increase the blade vibration mode natural frequency which may in turn result in longer blade fatigue lifetimes. It may also eliminate vortex shedding.... Agent: Honeywell International Inc.

20070231142 - Fan frame structure: A fan frame structure includes a plastic frame and a metal reinforcing member. The inner side of the frame defines a flow passage for receiving a fan wheel. The metal reinforcing member is joined to the frame intimately. The inner side of the frame is arranged to have a largest... Agent: G. Link Co. Ltd.

20070231143 - Blade with shroud: A blade for a turbo machine has a blade section and a shroud element terminating the blade section in the blade section longitudinal direction. The blade section has a suction face and a pressure face. The shroud element extends essentially at right angles to the blade section longitudinal direction and... Agent: Darby & Darby P.C.

20070231144 - Axial-flow compressor for a gas turbine engine: An axial-flow compressor for a gas turbine engine has a rotor drum (2) in thermally lower loaded first compressor stages (3 to 6) which includes a one-piece ring, or rotor rings (7 to 10) attached to one another. Fiber belts (18, 21) are wound onto these rings close to the... Agent: Harbin King & Klima

20070231145 - Multiple fans of cascade connection: Multiple fans of cascade connection comprises at least two fans of cascade connection, and a commutation device arranged between the two fans. The commutation device is composed of a cylindrical case and a plurality of planar plates, each extending radially from the center axis of the cylindrical case to an... Agent: Boyle Fredrickson S.c.

20070231146 - Rotor blade for wind energy plants: A rotor blade for wind energy plants with a multiplicity of cross bores running transversely to the longitudinal axis of the rotor blade in the region of the blade base, which are provided for the accommodation of cross pins, wherein for fastening the rotor blade on a rotor blade fixture,... Agent: Vidas, Arrett & Steinkraus, P.A.

20070231149 - Optimized guide vane, guide vane ring sector, compression stage, compressor and turbomachine comprising such a vane: The invention relates to a novel optimized aerodynamic profile for a vane. It provides a novel type of guide vane ring sector for which an optimization of the shape and a local arrangement of the geometry of the vanes have been made, allowing the level of stress in the brazed... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070231148 - Reversing free flow propeller turbine: Free flow axial propeller turbine submerged in free flowing current which may reverse its flow direction equipped with propeller blade profile having similar geometry both at the leading and trailing edge and the profile's centerline's deviation from the straight base line connecting the leading and trailing edge of the profile... Agent: Kalman N. Lehoczky

20070231147 - Stator blade airfoil profile for a compressor: Eleventh stage stator vanes for a compressor comprise airfoil profiles substantially in accordance with Cartesian coordinate values of x, Y and Z set forth in inches in Table I, wherein the Z coordinate values are perpendicular distances from planes normal to a radius from the compressor centerline and containing the... Agent: Nixon & Vanderhye P.C.

20070231150 - Assembly comprised of a vane and of a cooling liner, turbomachine nozzle guide vanes assembly comprising this assembly, turbomachine and method of fitting and of repairing this assembly: e

20070231153 - Aerofoil: An aerofoil 31, 43, 56 is provided by layers of material with at least one layer of the material being relatively stiff whilst other layers of material are less dense but are subject to less stress within the aerofoil. Thus, by judicious positioning of the stiffer layers of material an... Agent: Manelli Denison & Selter

20070231151 - Active flow control for wind turbine blades: A method for operating a wind turbine with at least one blade includes providing at least one blade with an active flow control actuator configured to increase an angle of attack range in which the blade or blades can generate torque without flow separation, and using the flow control actuator... Agent: Patrick W. Rasche (22402)

20070231152 - Hybrid bucket dovetail pocket design for mechanical retainment: A method for mechanically attaching a composite or polymeric material to a bucket in a radial airfoil includes creating at least one dovetail shape pocket in the bucket having inclined interfaces with respect to the radial airfoil, and filling the pocket with the composite or polymeric material.... Agent: John S. Beulick (17851)

20070231154 - Methods and apparatus for reducing stress in turbine buckets: A method facilitates reducing stress in a turbine bucket including a metallic base metal. The method comprises providing a turbine bucket including at least one pocket formed therein, and filling at least one pocket defined in the bucket with a polymer composite having continuous fibers oriented in a resin matrix,... Agent: John S. Beulick (17851)

20070231155 - Methods and apparatus for mechanical retainment of non-metallic fillers in pockets: A method for making a turbine blade includes providing a bucket in the turbine blade with a plurality of window pockets passing all the way through a wall of the bucket, positioning the window pockets in regions minimizing or at least reducing stress concentrations on the window pockets, and casting... Agent: John S. Beulick (17851)

20070231156 - Method and coating for protecting and repairing an airfoil surface: This invention relates to the repair and removal of erosion or impact damage using hand sandable elastomeric coatings on a curved substrate, particularly such surfaces as the leading edge of the airfoil. Specialized applicators and methods of use are also disclosed.... Agent: Michaud-duffy Group LLP

20070231157 - Fan cover structure: A fan cover structure installed in a draft direction of a fan and for fixing the fan to a casing, includes: a mesh frame; a plurality of latching components that protrude outwards and are perpendicular to the edge of the mesh frame, so as to fix the mesh frame to... Agent: Edwards Angell Palmer & Dodge LLP