Fluid reaction surfaces (i.e., impellers) inventions 06/07

20070147996 - Airfoil with heating source: An airfoil (26) for a gas turbine engine (10) having a source of heat for controlling a temperature gradient across the airfoil components. In one embodiment the airfoil includes a CMC outer body (28) defining an airfoil shape and a ceramic inner body core member (36) housed within and bonded... Agent: Siemens Corporation Intellectual Property Department

20070147997 - Turbine blade tip cooling: A turbine engine blade has an attachment root, a platform outboard of the attachment root, and an airfoil extending from the platform. The airfoil has pressure and suction sides extending between leading and trailing edges. An internal cooling passageway network includes at least one inlet in the root and a... Agent: Bachman & Lapointe, P.C. (p&w)

20070147998 - Wind turbine: A wind turbine for producing electricity using wind. In a power generating section, a driving shaft, columns, and a guide shaft are installed between a base frame fastened to a support plate and a cover frame positioned above the base frame. Guide rails are fastened to the columns to define... Agent: Arent Fox PLLC

20070147999 - Impeller: An impeller including a plurality of longitudinally-extending blades, each having a first edge and a second edge, a cover member with an inlet orifice and extending along at least a portion of the first edge of each of the plurality of blades, and a hub member extending adjacently along only... Agent: The Webb Law Firm, P.C.

20070148000 - Composite blading member and method for making: A composite blading member includes an airfoil and a base of composite material layers and a platform of composite material layers interfused with the airfoil and base. The platform comprises a platform shelf and a plurality of spaced-apart platform supports integral with the platform shelf and interfused with surfaces of... Agent: General Electric Company

20070148001 - Impeller with widened blades: A rotary impeller assembly is for a fluid machine and includes a support member having an outer surface and blades connected to the support member. Each blade includes first and second integral portions, the blade first portion having a first thickness and being spaced from the base surface and the... Agent: Michael Best & Friedrich, LLP

20070148002 - Turbine blade retaining apparatus: An apparatus for retaining blade to a rotor disc of turbine engines includes a positioning member integrally for stopping the root of the blade when sliding into an attachment slot of the rotor disc, and a locking apparatus for retaining the root of the blade in the attachment slots.... Agent: Ogilvy Renault LLP (pwc)

20070148003 - Fluid flow machine blade: A fluid flow machine blade (1) is provided on the outer contour of the airfoil (4) with a thermal barrier coating (41). In this context, quite purposefully, only part-regions of the airfoil have the thermal barrier coating, while well-defined second part-regions of the airfoil (42, 43, 44) are realized purposefully... Agent: Cermak & Kenealy LLP

20070148004 - Structural member for manufacturing a tower of a wind turbine: The invention relates to a structural member for manufacturing a tower of a wind power system having a delimitation surface forming a portion of the outer surface of the tower and comprising a through opening provided for accommodating a door, whereby at least a region of the structural member (30)... Agent: Blakely Sokoloff Taylor & Zafman

20070148005 - Process for restoring a turbine blade: The restoring process machines out a crack in the platform of a turbine blade to form a pocket that then receives a plug of compatible material. The plug is brazed in place and the blade is the machined and cleaned to present a clean fresh surface where the plug is... Agent: Francis C. Hand, Esq. C/o Carella, Byrne, Bain, Gilfillan,

20070140847 - Monitoring and data processing equipment for wind turbines and predictive maintenance system for wind power stations: A predictive maintenance system for wind parks, the wind park comprising a group of wind turbines (Ai), a communications network (RS) and a supervision and control system (ST) The predictive maintenance system comprises a monitoring and processing equipment (SMP) connected to the control system (PLC) of the wind turbine (Ai),... Agent: Ladas & Parry

20070140848 - Cooled turbine blade: A turbine engine component, such as a turbine blade, has an airfoil portion, a plurality of cooling passages within the airfoil portion with each of the cooling passages having an inlet for a cooling fluid. Each inlet has a flared bellmouth inlet portion. The turbine engine component may further have... Agent: Bachman & Lapointe, P.C. (p&w)

20070140849 - Countercooled turbine nozzle: A turbine nozzle includes a mid vane mounted between a pair of end vanes in outer and inner bands. The mid vane includes a first pattern of film cooling holes configured to discharge more cooling air than each of the two end vanes having respective second patterns of film cooling... Agent: Francis L. Conte, Esq.

20070140851 - Method and apparatus for cooling gas turbine rotor blades: Methods and apparatus for cooling gas turbine rotor blades is provided. The rotor blades include an airfoil having a pressure sidewall and a second suction sidewall connected together at a leading edge and a trailing edge, such that an internal three pass serpentine cooling circuit is formed therebetween. The cooling... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070140850 - Methods and apparatus for cooling turbine blade trailing edges: A method facilitates fabricating an airfoil for use with a turbine blade. The method comprises forming a substantially solid ceramic airfoil core, inserting the core into a die and casting the airfoil with a pressure side wall and a suction side wall connected together at a leading edge and a... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070140852 - Francis pump-turbine: A Francis pump-turbine includes a runner provided with runner blades arranged around in a circumferential direction of a main shaft of the runner, each of the runner blades being supported by a band at a bottom side thereof in a blade height direction and supported by a crown at a... Agent: Foley And Lardner LLP Suite 500

20070140854 - Vane arrangement and a method of making vane arrangement: Within gas turbine engines 10 it is necessary to provide fixed vanes which comprise an aerofoil in the gas flow through the gas turbine engine 10. These vanes are subject to significant stressing. Therefore it is generally necessary to secure the vane at one end 103 through an appropriate bond... Agent: Oliff & Berridge, PLC

20070140853 - Dovetail surface enhancement for durability: A gas turbine engine blade having a dovetail with an enhanced surface for durability is disclosed. The blade includes an airfoil section and a dovetail section disposed opposite the airfoil section. The dovetail section has an outer surface, at least a portion of which has residual compressive stresses resulting from... Agent: Mcnees Wallace & Nurick LLC

20070140856 - High pressure turbine disk hub with curved hub surface and method: A first stage turbine disk section for a gas turbine engine, including a centrally disposed disk hub having an integrally-formed, radially outwardly extending web terminating at an outer end. The disk hub has a convex, curved hub surface exposed to high pressure, high temperature compressor bleed and discharge gases during... Agent: Adams Evans P.A.

20070140857 - Mounting arrangement: Appropriate location of components such as vanes (1, 21, 31, 41, 51, 61, 71, 81, 91) in gas turbine engines is important. These components are located between tangs (7, 27, 37, 47, 57, 67, 87, 97) held in interference engagement. There are four relatively rigid mounting points constituted by the... Agent: Manelli Denison & Selter

20070140855 - Turbine disk: A gas turbine section of a gas turbine engine, including a first stage turbine disk, a forward outer seal carried on the turbine disk. and a forward shaft cooperating with the first stage turbine disk for transmitting torque generated by the turbine section to a compressor section of the engine.... Agent: Adams Evans P.A.

20070140859 - Leading edge configuration for compressor blades of gas turbine engines: In a supersonic area, on a leading edge (2) of a compressor blade (1) for a gas turbine engine, a replaceable, longitudinally elastically deformable leading edge rail (7) with slender tip (11) and limited weight is positively held in a locating groove (3) and at a stop (6) and elastically... Agent: Harbin King & Klima

20070140858 - Modularly constructed rotorblade and method for construction: Disclosed is a modularly constructed rotorblade including a leading and a trailing edge, including a plurality of rotorblade sections in bonded association, and at least one bonding line disposed away from continuous contact with the leading edge and the trailing edge.... Agent: Cantor Colburn, LLP

20070140860 - Methods and apparatus for gas turbine engines: A method for manufacturing a turbine engine component includes forming a component to include a first side and an opposite second side, positioning at least one capillary adjacent to an external surface of at least one of the first and second sides, and securing the at least one capillary to... Agent: John S. Beulick (17851)

20070140861 - Bearing structure: The present invention concerns a bearing structure for a composite structure rotor blade having the fiber strands which extend along the length of the rotor blade. Prefabricated, stiff components are provided in the composite structure. The invention further concerns a process for the production of a shaped body, in particular... Agent: Seed Intellectual Property Law Group PLLC

20070140862 - Lightweight components: A lightweight component in the form of an outlet guide vane 10 for a gas turbine engine. The vane 10 being filled with hollow metal ellipsoid members 12 in a solid metal outer 14.... Agent: Oliff & Berridge, PLC

20070140863 - Wind turbine rotor blade: A rotor blade for a wind turbine includes a flange section configured to connect the rotor blade to a rotor hub. The flange section is formed from a hybrid material including glass fibers and carbon fibers embedded in a matrix material. The carbon fibers are oriented substantially parallel to a... Agent: Patrick W. Rasche (22402)

20070140864 - High pressure turbine disk hub with reduced axial stress and method: A gas turbine engine disk that includes a centrally disposed disk hub having an integrally-formed, radially outwardly extending web terminating at an outer end. The disk hub has a radially-displaced annular hub surface exposed to high pressure, high temperature discharge gases during engine operation. The radially-displaced annular hub surface acts... Agent: Adams Evans P.A.

20070140865 - System and method for forming a blade-section: Disclosed is a system for forming a blade-section including a transporting frame, at least one transporting support removeably associated with the transporting frame, and a blade-section forming structure receptive of the transporting frame and the at least one transporting support.... Agent: Cantor Colburn, LLP

20070134092 - Control method and control system for a controllable pitch marine propeller: A control method and system for a controllable pitch marine propeller including operating modes comprised of a manoeuvering mode and a cruise mode and check modes comprised of an engine check mode and propeller check mode. The cruise mode provides for wide open throttle acceleration and power stop. Smooth transition... Agent: Bromberg & Sunstein LLP

20070134093 - Device and method for raising and lowering ceiling fixtures: A fixture extension device that can support a ceiling fixture at varying heights in relation to the floor is described. The fixture extension device contains a telescoping shaft which enables raising and lowering ceiling fixtures such as fans or chandeliers.... Agent: Snell & Wilmer L.L.P. (main)

20070134094 - Rotor apparatus and turbine system incorporating same: Rotor apparatus comprising at least one hub mounted to rotate about a central axis, a plurality of arms extending outwardly from the hub, a plurality of slots in the hub opening outwardly of the hub, and a plurality of vertical blades connected to the arms, wherein each one of the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070134095 - Component anti-oxidation coating for such a component and corresponding production method: The invention relates to a component with a substrate region as an oxidation protective or anti-oxidation layer, especially a component of a gas turbine, with a substrate surface and a substrate composition of the component, and with a substrate region formed in the region of the substrate surface of the... Agent: Fasse Patent Attorneys, P.A.

20070134096 - Method of making a rim situated at the free end of a blade, a blade obtained by the method, and a turbomachine fitted with the blade: According to the method, a blade is provided having at least one base for a rim at its free end, and the projecting portion of the rim is built up by depositing successive layers on the base by performing the following steps: activating a laser source connected to an optical... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070134097 - Fan with improved heat dissipation: A fan includes a rotatable center member that is centered relative to an axis of rotation of the fan. The fan includes a number of blades radially extending from the rotatable center member. Each blade may have one or more ribs extending therefrom non-parallel to the axis of rotation of... Agent: Law Offices Of Michael Dryja

20070134098 - Split francis turbine runner: A split runner for a Francis turbine has runner segments that are adapted to be joined together along confronting surface portions thereof to form a composite runner having a crown, a band and a plurality of blades extending between the crown and the band. The confronting surface portions of the... Agent: General Electric Co. Global Patent Operation

20070134099 - Damper cooled turbine blade: A turbine blade includes an airfoil, platform, shank, and dovetail integrally joined together. A cooling chamber is located under the platform and has a portal exposed outwardly from the shank. A damper seat surrounds the portal and is recessed under the platform for receiving a vibration damper to sealingly close... Agent: Francis L. Conte, Esq.

20070134100 - Turbine engine and bladed rotor for a compression stage of a turbine engine: A turbine engine and a rotor for a turbine engine are provided. Several adjacent turbine blades are positioned in the circumferential direction of the rotor, each turbine blade having a blade root, each turbine blade being fixed in a retainer groove, running in the circumferential direction of the rotor, by... Agent: Davidson, Davidson & Kappel, LLC

20070128026 - Rotorcraft blade provided with a flap tiltable with the help of at least one main ball joint having a first pin that is secured to said blade: The present invention relates to a rotorcraft rotor blade (1) including at least one tiltable trailing-edge flap (5), said flap (5) being suitable for pivoting about a virtual hinge axis (Y′) extending substantially along the span of said blade (1) and of said flap (5). The blade (1) is remarkable... Agent: Young & Thompson

20070128025 - Wind blade assembly and method for damping load or strain: The transducers are incorporated in or laminated to wind blades and electrically connected to a self-powered electrical circuit. The transducers in combination with the self-powered electrical circuit improve the wind blades' response to changing wind conditions by reducing loads, at least until the turbines pitch axis system can alter the... Agent: Nixon & Vanderhye P.C.

20070128033 - Blunt tip turbine blade: A turbine airfoil includes opposite pressure and suction sidewalls, and extends in chord between opposite leading and trailing edges and in span from a root to an outer tip cap. The tip cap bridges the sidewalls, and a flute extends chordally along the pressure sidewall and below the tip cap.... Agent: Francis L. Conte, Esq.

20070128035 - Hollow turbine blade: The invention relates to a hollow turbine blade, having an airfoil profile which is formed by a suction-side profile wall and a pressure-side profile wall and around which a hot gas can flow and which has a profile height, directed along a blade axis, from a platform up to a... Agent: Siemens Corporation Intellectual Property Department

20070128027 - Methods for generation of dual thickness internal pack coatings and objects produced thereby: A method for generating an internal pack coating having different, controlled thicknesses includes partially filling a root opening of a turbine blade having a cavity therein with a first powder and a second powder having different formulations so that the first powder contacts a first predefined portion of the surface... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070128032 - Parallel serpentine cooled blade: A turbine blade includes an airfoil having opposite pressure and suction sidewalls joined together at opposite leading and trailing edges and extending longitudinally from root to tip. A plurality of independent cooling circuits are disposed inside the airfoil correspondingly along the pressure and suction sidewalls thereof. A first serpentine circuit... Agent: Francis L. Conte, Esq.

20070128029 - Turbine airfoil cooling system with elbowed, diffusion film cooling hole: A cooling system for a turbine airfoil of a turbine engine having an elbowed film cooling hole positioned in an outer wall defining the turbine airfoil. The elbowed film cooling hole may include a first section extending from an inner surface of the outer wall into the outer wall, an... Agent: Siemens Corporation Intellectual Property Department

20070128028 - Turbine airfoil with counter-flow serpentine channels: A turbine airfoil usable in a turbine engine and having at least one cooling system. The cooling system may include a pressure side serpentine cooling channel and a suction side serpentine cooling channel. The cooling channels may be nested within each other to optimize heat exchange between the cooling fluids... Agent: Siemens Corporation Intellectual Property Department

20070128030 - Turbine airfoil with integral cooling system: A turbine airfoil usable in a turbine engine and having at least one cooling system. At least a portion of the cooling system may be positioned in an outer wall of the turbine airfoil and be formed from a multi-chambered, metering orifice. The multi-chambered, metering orifice may include a first... Agent: Siemens Corporation Intellectual Property Department

20070128031 - Turbine airfoil with outer wall cooling system and inner mid-chord hot gas receiving cavity: A turbine airfoil usable in a turbine engine and having at least one cooling system. The cooling system may be positioned in an outer wall of the turbine airfoil, and the airfoil may include a hot gas receiving cavity positioned in a mid-chord region of the airfoil. The hot gas... Agent: Siemens Corporation Intellectual Property Department

20070128036 - Turbine blade with cooling and with improved service life: The present invention relates to the field of turbine blades for a turbo machine, in particular a turbine blade (1), including an intrados wall (2), an extrados wall (3), at least one first radial trailing edge cavity (4), at least one second radial cavity (5) upstream of the trailing edge... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070128034 - Zigzag cooled turbine airfoil: A turbine airfoil includes pressure and suction sidewalls spaced apart to define flow channels extending in span and separated by ribs. Side channels are disposed along one sidewall and spaced from the opposite sidewall by the ribs, and a mid channel bridges the sidewalls. The side and mid channels are... Agent: Francis L. Conte, Esq.

20070128037 - Compact load path swashplate assembly: A swash plate assembly includes a rotationally stationary swash plate and rotational swash plate which rotates relative to the rotationally stationary swash plate through a bearing system. Each servo control rod is attached to the swash plate assembly to communicate control inputs thereto through a respective servo lug. Each servo... Agent: Carlson, Gaskey & Olds, P.C.

20070128038 - Engine cooling fan with ring reinforcement: A cooling fan for use in an engine of an automotive vehicle includes a central hub, a plurality of blades and an annular reinforcement element. The central hub is pivotally coupled to the vehicle. The plurality of blades has distal ends spaced radially outwardly relative to the central hub. The... Agent: Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.

20070128039 - Fan and impeller thereof: A fan comprises an impeller and a motor. The impeller has a hub, a plurality of blades and a plurality of reinforced elements. The blades are disposed around the hub. At least one reinforced element is disposed on the active surfaces of two adjacent blades. The blades and the reinforced... Agent: Birch Stewart Kolasch & Birch

20070128040 - Retention arrangement: Previous retention arrangements have suffered from fretting or high contact stresses as a result of rolling between members retained by a retainer ring in the form of a split ring. In order to address these problems a retainer arrangement is provided in which a retainer is arranged at an inclined... Agent: Oliff & Berridge, PLC

20070128041 - Gas turbine and rotor blade for a turbomachine: The invention relates to a rotating blade for a turbomachine which can be cross flown by a flow medium, especially for a gas turbine which can be cross flown by a working fluid. Said gas turbine comprises a rotating blade base, a platform region which extends in a perpendicular manner... Agent: Siemens Corporation Intellectual Property Department

20070128042 - Hollow fan blade for gas turbine engine: A hollow fan blade for a gas turbine engine provides improved resistance to buckling without adding wall thickness. The hollow fan blade includes a pressure side wall and a suction side wall separated and supported by ribs. In the present invention, each wall segment between each adjacent pair of ribs... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070128043 - Cmc component and method of fabrication: An airfoil (44) formed of a plurality of pre-fired structural CMC panels (46, 48, 50, 52). Each panel is formed to have an open shape having opposed ends (54) that are free to move during the drying, curing and/or firing of the CMC material in order to minimize interlaminar stresses... Agent: Siemens Corporation Intellectual Property Department

20070128044 - Fluid machine: A fluid machine including a shaft and an impeller, wherein the impeller has a shaft bore into which the shaft is inserted, and wherein the impeller is coupled to the shaft by an interference fit. The fluid machine further includes a positioning part provided between the shaft and the impeller,... Agent: Lowe Hauptman Berner, LLP

20070128045 - Boat propeller safety cover: A boat propeller safety cover includes a soft, flexible, somewhat pouch-shaped body having a stretchable opening sized and structured to receive a propeller unit while the propeller unit is mounted to a recreational water craft. The body may be formed of multiple layers of material, for example, a substantially puncture... Agent: Stout, Uxa, Buyan & Mullins LLP