Fluid reaction surfaces (i.e., impellers) inventions

20090263244 - Water turbines with mixers and ejectors: Turbine systems for extracting energy from water traveling relative to the turbine system can include a rotor assembly for extracting the energy, a turbine shroud having a turbine shroud inner volume within which at least a portion of the rotor assembly is disposed, and an ejector shroud having a ejector... Agent: Mintz, Levin, Cohn, Ferris, Glovsky And Popeo, P.c

20090263245 - Systems and methods involving wind turbine towers for power applications: A system for determining wind turbine tower base torque loads including a controller configured to determine a torque load of a base of a tower of a wind turbine according to a computation of an effective height of the wind turbine multiplied by a wind force upon a rotor of... Agent: General Electric Company Global Research

20090263246 - Calibration method: The invention relates to a method for the calibration of at least one sensor (11-14) of a wind power plant (10). The invention also relates to a wind power plant (10). The calibration process according to the invention is captured by the at least one sensor (11-14). The measurement value... Agent: Rankin, Hill & Clark LLP

20090263247 - Dual rotor vibration monitoring: Vibration is monitored in a dual rotor engine. A first total vibration of the engine is measured during operation. Relative phase of the two rotors is then clocked, and a second total vibration of the engine is then measured during operation. First and second total unbalances are then resolved at... Agent: Francis L. Conte, Esq.

20090263248 - Shape for a turbine bucket tip shroud: A turbine bucket that may include an airfoil having a tip shroud, the tip shroud having an edge; wherein the edge has a profile substantially in accordance with values of X and Y in a Cartesian coordinate system set forth in Table 1 at points 1-14, wherein X and Y... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090263249 - Welded low-pressure turbine shaft: Turbo-engine which has a low-pressure area, containing at least one shaft, wherein the low-pressure area has an inflow area, the shaft having, at least on its inflow part arranged in the inflow area, a heat resistant material, wherein the shaft has, on outflow parts arranged opposite the inflow part, a... Agent: Siemens Corporation Intellectual Property Department

20090263250 - Rotor blade attachment: The invention relates to a rotor blade attachment (17), in particular of a wind power plant (1), for the connection of a rotor blade (5) with an attachment device (4), including a transverse pin (20, 20′) and a connecting device (13, 21), which can be brought together to establish an... Agent: Rankin, Hill & Clark LLP

20090263251 - Reduced weight blade for a gas turbine engine: A rotor blade for a gas turbine engine having an edge buttress having an aperture. A method of reducing rotor blade weight includes removing material from within a truss area bounded by a platform section, an internal airfoil cooling passage, and an underplatform fillet.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090263252 - Wind generator blade with divergent trailing edge: A wind turbine blade having an aerodynamic profile (5) with a leading edge (11), a trailing edge (13) and suction and pressure sides (17, 19) between the leading edge (11) and the trailing edge (13) which has, on at least one part of the wind turbine blade, a Trailing Edge... Agent: Ladas & Parry LLP

20090263253 - Engine components and rotor groups: Engine components and rotor groups are provided. In an embodiment, by way of example only, an engine component includes an impeller and a protective sleeve. The impeller has a bore defined by an inner surface. The protective sleeve lines the inner surface of the impeller and comprises a polymer material.... Agent: Honeywell International Inc. Patent Services

20090263254 - Ceiling fan with high efficiency ceiling fan blades: A ceiling fan including a motor having a rotatable rotor, a plurality of ceiling fans blades having a thickness, the blades connected to the rotor to rotate therewith and each of the ceiling fan blades comprising a thin edge along its leading edge that is thinner than the thickness of... Agent: Gray Robinson Attn: Stefan V. Stein/IPDept.

20090257873 - Method and apparatus for prediction-based wind turbine control: A method an apparatus of automatically controlling a wind turbine re provided. of: A time-series of measurement values of the aerodynamic flow property of the wind turbine rotor blade is determined; a predictive wind field model representing a structure of a wind field acting on the wind turbine rotor blade... Agent: Siemens Corporation Intellectual Property Department

20090257872 - Reduced-impedance cooling system with variable pitch blade and hot-swappable spare: A method of operating variable pitch fans in series to cool an operating computer system. The method comprises running a first variable pitch fan with blades positioned at an operational pitch to induce airflow through the computer system and through a second variable pitch fan disposed in series with the... Agent: Ibm Corporation (ss/nc) C/o Streets & Steele

20090257874 - Vertical axis windmill with weather vane positioning: Large flat blades are put on the ends of long lever arms to maximize the torque produced at a central vertical shaft. Pivoting each blade on its own axis allows it to be positioned to best advantage as it rotates around the central vertical shaft. The positioning is accomplished by... Agent: Karl M. Rice

20090257875 - Platformless turbine blade: A turbine blade rotor assembly is disclosed for a gas turbine engine. The assembly includes a rotor having nickel alloy turbine blades secured thereto. Each of the blades includes a root and an airfoil. The roots are supported by the rotor. A ceramic matrix composite platform separate from the turbine... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090257876 - Blower impeller with partial tip blockage: According to embodiments of the invention, an impeller includes a hub, and a plurality of radial blades for drawing the air inflow axially through the hub and delivering the drawn air radially towards the outside. A ring is attached to one or more tips of the plurality of radial blades... Agent: Townsend And Townsend And Crew, LLP

20090257877 - Asymmetrical rotor blade fir-tree attachment: A rotor blade for a gas turbine engine includes an asymmetric attachment section received within a rotor disk rim with an asymmetric slot.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090257878 - Low exhaust loss turbine and method of minimizing exhaust losses: Disclosed herein is a method of minimizing losses in a multiple-last-stage bucket turbine. The method includes, determining an inlet flow available for the multiple-last-stage bucket turbine, and selecting multiple last-stage buckets from a set of pre-designed last-stage buckets. The multiple last-stage buckets having inlet flows different from one another that... Agent: Cantor Colburn, LLP

20090257879 - Runner vane for axial-flow hydraulic machinery: A camber line in a radial section of a runner vane has a curved part extending near the tip of the runner vane is convex toward the front surface of the runner vane. The runner vane is formed in a shape meeting a condition expressed by: ρs<ρp, where ρs is... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090257880 - Conical helicoid wind turbine: The present invention discloses an article of manufacture comprising a conical helicoid wind turbine. The conical helicoid is configured such that its apex faces toward the on-coming wind which allows airflow to transverse through the curved sail from the front center to the outer rear extremity. This dynamic shape produces... Agent: Gearhart Law, LLC

20090257881 - Wind turbine blade with an integrated lightning conductor and method for manufacturing the same: A method is provided for manufacturing a wind turbine rotor blade in which the blade is formed as a laminated structure by laying a composite material of fibre reinforcement material and/or core material in a mould defining the shape of the blade; evacuating the mould after laying the composite material;... Agent: Siemens Corporation Intellectual Property Department

20090257882 - Wind turbine blade with lightning receptor and method for protecting the surface of a wind turbine blade: A wind turbine blade has at least one lightning receptor, wherein at least part of a surface of the wind turbine blade close to the lightning receptor is covered by a protective layer having electrical and thermal insulating material. Moreover, a method for protecting the surface of a wind turbine... Agent: Siemens Corporation Intellectual Property Department

20090257883 - Cooling fan impeller: An impeller of a centrifugal fan includes a hub and a plurality of blades arranged on and around the hub. Each of the blades includes a root portion and a tip portion. The tip portion of each of the blades has a concave surface and a convex surface in rear... Agent: PCe Industry, Inc. Att. Steven Reiss

20090257884 - Wind turbine blade and assembly: A blade is disclosed for use in a wind turbine, with the blade having a longitudinal axis for extending radially outwardly from a center of rotation of the blade on the wind turbine. The blade has a front side with a front surface for orienting in a windward direction and... Agent: Attn: Jeffrey A. Proehl Woods Fuller Shultz & Smith PC

20090257885 - Wind turbine with rotor blades equipped with winglets and blades for such rotor: A wind turbine includes a rotor with wind turbine blades each having a root end connected to a hub of the wind turbine and a tip end, the tip end of each of which being equipped with a winglet extending a distance in a direction perpendicularly to a longitudinal direction... Agent: St. Onge Steward Johnston & Reens, LLC

20090252608 - System and a method for dynamically balancing a blade: The present invention relates to a rotorcraft blade (1) provided with a dynamic balancing system having a balancing device (10). The balancing device (10) is embedded in the inside (INT) of the body of the blade (1) in such a manner that it does not open to the outside (EXT)... Agent: Young & Thompson

20090252615 - Cooled turbine rotor blade: A cooled turbine rotor blade for a gas turbine which is traversed axially by flow and is equipped with an attachment area and an airfoil profile is provided. Meandering cooling channels with interposed deflecting regions are provided in the interior of the airfoil profile. In the deflecting regions, it is... Agent: Siemens Corporation Intellectual Property Department

20090252609 - Impeller for supercharger and method of manufacturing the same: An impeller for a supercharger cast in molds to provide excellent aerodynamic performance by eliminating parting-line corresponding parts from a hub surface and vane surfaces in each space formed of a pair of long vanes adjacent to each other an a method of manufacturing the impeller. The method comprises a... Agent: Sughrue Mion, PLLC

20090252611 - Axial compressor blade retention: An axial retention system for restraining axial movement of a machine component having a dovetail within a complimentary-shaped dovetail slot includes: a first substantially T-shaped groove formed in a bottom surface of the dovetail slot; a second substantially T-shaped groove formed in a bottom surface of the dovetail, the first... Agent: Nixon & Vanderhye P.C.

20090252610 - Turbine blade retention system and method: A retention system retains a turbine blade dovetail in a retention ring dovetail slot. The retention system includes a retention opening formed in the blade dovetail. A through hole is formed in the retention ring, wherein the through hole is positioned such that it is aligned with the retention opening... Agent: Nixon & Vanderhye P.C.

20090252612 - Blade and gas turbine: The invention relates to a turbomachine, in particular to a gas turbine and to a method for accelerating a temperature modification of a rotor shaft rotationally mounted in said turbomachine. The aim of said invention is to develop a device and a method for the turbomachine making it possible to... Agent: Siemens Corporation Intellectual Property Corporation

20090252613 - Repair of gas turbine blade tip without recoating the repaired blade tip: A damaged gas turbine blade which has previously been in service, and which is made of a base metal, is furnished. Any damaged material is removed from the damaged blade tip. The damaged blade tip is weld repaired with a nickel-base superalloy that is more resistant to oxidation resistance than... Agent: Mcnees, Wallace & Nurick LLC

20090252614 - Levelling of root bushings on blades for wind turbines: The present invention relates to a method of manufacturing a blade for a wind turbine, wherein the blade is made in one or more moulds; and wherein the blade has integrally moulded root bushings in the root of the blade for direct or indirect attachment to a hub in a... Agent: Day Pitney LLP