Fluid reaction surfaces (i.e., impellers) inventions 12/07

20070297912 - Enhanced axial air mover system with enclosure profile: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow... Agent: Davis Wright Tremaine, LLP/seattle

20070297914 - Enhanced axial air mover system with grill: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow... Agent: Davis Wright Tremaine, LLP/seattle

20070297913 - Enhanced axial air mover system with matrix: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow... Agent: Davis Wright Tremaine, LLP/seattle

20070297915 - Fan with vibration notification: A fan comprises a ventilation device and a vibration device. The ventilation device comprises a housing, an impeller disposed in the housing and rotating with respect to a rotating center, and a driving mechanism disposed in the housing and connected to the impeller to rotate the impeller. The vibration device... Agent: Birch Stewart Kolasch & Birch

20070297917 - Leading edge cooling using chevron trip strips: A turbine engine component has an airfoil portion having a leading edge, a suction side, and a pressure side and a radial flow leading edge cavity through which a cooling fluid flows for cooling the leading edge. The turbine engine component further has a first set of trip strips and... Agent: Bachman & Lapointe, P.C. (p&w)

20070297916 - Leading edge cooling using wrapped staggered-chevron trip strips: A turbine engine component has an airfoil portion having a leading edge, a suction side, and a pressure side and a radial flow leading edge cavity through which a cooling fluid flows for cooling the leading edge. The turbine engine component further has a staggered arrangement of trip strips for... Agent: Bachman & Lapointe, P.C. (p&w)

20070297918 - Gas turbine engine with contoured air supply slot in turbine rotor: A gas turbine engine is provided with a turbine rotor disk having a plurality of disk slots which each receive a turbine blade. Cooling air is delivered into the disk slots, and flows into cooling air passages at a radially inner surface of the turbine blades. As known, the cooling... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070297902 - Wind turbine having variable pitch airfoils that close when moving against the direction of the wind: A wind turbine, having: a rotatable frame; a plurality of airfoils mounted to the rotatable frame, the wherein the airfoils extend parallel to an axis of rotation of the rotatable frame, and wherein the airfoils are individually pivotable with respect to the rotatable frame; and a mechanism that holds each... Agent: Gordon & Rees LLP

20070297903 - Oscillating fluid power generator: A system and method for harvesting the kinetic energy of a fluid flow for power generation with a vertically oriented, aerodynamic wing structure comprising one or more airfoil elements pivotably attached to a mast. When activated by the moving fluid stream, the wing structure oscillates back and forth, generating lift... Agent: Robert M. Hunter PLLC

20070297904 - Compressor of a gas turbine and gas turbine: A compressor, particularly a high-pressure compressor, of a gas turbine, particularly of an aircraft engine, includes at least one rotor and a number of blades (11, 12), which are assigned to the or to each rotor and which rotate together with the respective rotor. Each blade (11, 12) is delimited,... Agent: Davidson, Davidson & Kappel, LLC

20070297906 - Laminated impeller: The present invention relates generally to impeller of aerators, and more particularly to a laminated impeller of paddlewheel aerator. To solve the shortcoming of existing impeller of aerator: single-body structure, large volume, complicated manufacturing technique and high production cost, fixed blade quantity and axial length, narrow application range and inferior... Agent: GlobalIPServices

20070297905 - Woven turbomachine impeller: An impeller is provided that may be used in compressors or turbines. In another aspect of the present invention, a fiber or a bundle of fibers is woven to form at least two blades of an impeller. Yet another aspect of the present invention employs a peripheral component woven around... Agent: Harness, Dickey & Pierce, P.L.C

20070297907 - Vacuum pump impeller: The invention relates to a vacuum pump impeller (10) which comprises a shaft (14) made of steel, and a one-piece rotor (12) supported by the shaft (14) and made of a material different from the steel of the shaft. The shaft (14) comprises an axial cavity (22), and the rotor... Agent: Fay Sharpe LLP

20070297908 - Turbine rotor blade groove entry slot lock structure: A blade lock structure for blading an axial flow turbine having a rotor and blades. The blades are inserted into an undercut blade groove of the rotor providing a positive lock between the blades and the rotor. The lock structure includes an entry slot located in the blade groove for... Agent: Siemens Corporation Intellectual Property Department

20070297909 - Rotor blade for a wind power plant: The invention concerns a rotor blade of a wind power installation and a wind power installation. One advantage of the present invention is to provide a rotor blade having a rotor blade profile, and a wind power installation, which has better efficiency than hitherto. A rotor blade of a wind... Agent: Seed Intellectual Property Law Group PLLC

20070297910 - Liner panel: A liner panel for a fan casing of a gas turbine engine comprises a honeycomb layer, a septum layer and an abradable layer. The fan casing is provided with a containment system in case of fan blade failure. In use ice may be released from a fan blade in a... Agent: Oliff & Berridge, PLC

20070297911 - Fixture support member assembly: A fixture support member assembly comprises a downrod configured to support a fixture from an elevated structure, the downrod having a sidewall molded onto an exterior surface thereof.... Agent: Munsch, Hardt, Kopf & Harr, P.C. Intellectual Property Docket Clerk

20070292270 - Tip turbine engine comprising turbine blade clusters and method of assembly: A tip turbine engine comprises a fan-turbine rotor assembly that includes one or more turbine ring rotors. Each turbine ring is assembled from a multitude of turbine blade clusters. Assembly of a multitude of turbine blade clusters to a diffuser includes axial installation and radial rotation. The clusters are axially... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070292271 - Rotor blade for a compressor or a gas turbine: Rotor blade for a compressor or a gas turbine, in particular for a turbojet engine, comprising a suction side and a pressure side, which are joined at their upstream ends by a leading edge and at their downstream ends by a trailing edge for the gases, a platform connecting the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070292272 - Vertical power unit and outboard engine system: A vertical power unit includes: an engine having a vertically arranged crankshaft; a vertically arranged output shaft provided below the crankshaft; and a torque converter providing a connection between the crankshaft and the output shaft. The torque converter is arranged so as to be offset from the crankshaft toward a... Agent: Arent Fox LLP

20070292273 - Turbine blade with ceramic tip: A blade used in a gas turbine engine in which the blade is formed of a blade portion made from a metallic material, and a tip portion made of a ceramic material, the tip portion forming at least 10% of the overall blade length such that the blade is lighter... Agent: James P. Downs

20070292274 - Hybrid blade for a steam turbine: To address certain deficiencies of carbon fiber material as a filler in a hybrid blade, a glass composite layer is provided as a barrier layer between a carbon fiber resin filler and the metallic main body of the blade. The glass composite layer also advantageously provides a gradient in thermal... Agent: Nixon & Vanderhye P.C.

20070292275 - Layer system: On account of their type of coating, layer systems of the prior art often exhibit poor adhesion to the substrate. If the components are subject to high mechanical stresses, the layer can then become detached. The layer system according to the invention has separately produced anchoring means which allow stronger... Agent: Siemens Corporation Intellectual Property Department

20070286728 - Rotatable blade apparatus with individually adjustable blades: The lengths and/or chords and/or pitches of wind turbine or propeller blades are individually established, so that a first blade can have a length/chord/pitch that is different at a given time to the length/chord/pitch of a second blade to optimize performance and/or to equalize stresses on the system.... Agent: Rogitz & Associates

20070286734 - Bucket vibration damper system: A damping system for a turbin bucket. The damping system includes a damper pocket with a variable tangential depth and a damper pin positional within the damper pocket.... Agent: Sutherland Asbill & Brennan LLP

20070286735 - Robust microcircuits for turbine airfoils: A cooling microcircuit for use in a turbine engine component, such as a turbine blade, having an airfoil portion is provided. The cooling microcircuit has at least one inlet slot for introducing a flow of coolant into the cooling microcircuit, a plurality of fluid exit slots for distributing a film... Agent: Bachman & Lapointe, P.C. (p&w)

20070286729 - Internally cooled aerofoils: A shroudless, air cooled gas turbine blade has an internal structure including load-carrying members (36,38,40) that support the blade outer wall (10) and divide the blade interior into cooling passages (28,30,32,34). The dimensions of the structure in particular the load-carrying members (36,38,40) are chosen with respect to inward heat flow... Agent: Oliff & Berridge, PLC

20070286730 - Device for measuring the displacement travel of a hydraulic displacement mechanism: A device for measuring the displacement travel of a hydraulic displacement mechanism for blades of an impeller of an axial-flow fan, wherein the displacement mechanism includes as components a displacement cylinder and a piston rod having a piston, one of the components being axially displaceable and the other component not... Agent: Robert W. Becker & Associates

20070286731 - Wind power plant: A wind power plant having a device for adjusting the angle of pitch of the rotor blades situated on a hub, the rotor blades being able to be set via respectively at least one asynchronous motor in normal operation, and being able to be rotated into their safety position (feathered... Agent: Kenyon & Kenyon LLP

20070286732 - Enhanced bucket vibration system: An enhanced damping system for a turbine bucket. The damping system includes a damper pocket and a damper pin with an offset center of gravity positioned within the damper pocket.... Agent: Sutherland Asbill & Brennan LLP

20070286733 - Pre-stretched tie-bolt for use in a gas turbine engine and method: The tie-bolt comprises an elongated tubular portion and a retaining portion coaxially and rigidly attached to the tubular portion. The retaining portion has an outer diameter larger than that of the tubular portion. An annular spacer is removably provided between the retaining portion and the component to be secured by... Agent: Ogilvy Renault LLP (pwc)

20070280832 - Turbine airfoil with floating wall mechanism and multi-metering diffusion technique: A turbine airfoil usable in a turbine engine and having at least one cooling system. The turbine airfoil may include an interlayer coupled to an outer surface of the outer wall of the airfoil, wherein the interlayer may be formed from a porous material that allows cooling fluids to pass... Agent: Siemens Corporation Intellectual Property Department

20070280828 - Blade having an integral cuff, and a rotorcraft rotor provided with such a blade: A rotorcraft blade is provided having at least one spar and an outer covering. At the root of the blade, the spar is subdivided into at least one bottom tape and at least one top tape. The blade further includes a hollow cuff whose outer wall includes the outer covering... Agent: Young & Thompson

20070280829 - Axial fan assembly: The present invention provides an axial fan including a hub adapted for rotation about a central axis and a plurality of blades extending radially outwardly from the hub and arranged about the central axis. Each of the blades includes a root, a tip, a leading edge between the root and... Agent: Michael Best & Friedrich LLP

20070280830 - Aerofoil stage and seal for use therein: A stage for a gas turbine engine, having a plurality of circumferentially spaced apart radially extending aerofoils, includes a plurality of annulus fillers to bridge the spaces between adjacent aerofoils to define an inner wall of a flow annulus through the stage. Each annulus filler has opposing side faces which... Agent: Oliff & Berridge, PLC

20070280831 - Rotor disk and blade arrangement: A compressor disk for a turbine engine includes a plurality of blades mounted about the circumference. To assemble the blades onto the disk a lock assembly is inserted within a blade slot on the disk. A blade is assembled into the blade slot and sliders seals are inserted between the... Agent: Carlson, Gaskey & Olds/pratt & Whitney