Fluid reaction surfaces (i.e., impellers) inventions 01/09

20090028703 - Airfoil mini-core plugging devices: A turbine engine component, such as a high pressure turbine vane, has an airfoil portion and at least one coolant system embedded within the airfoil portion. Each coolant system has an exit through which a cooling fluid flows, which exit has at least one device for preventing deposits from interfering... Agent: Bachman & Lapointe, P.c. (p&w)

20090028702 - Blade cooling passage for a turbine engine: A blade for a turbine engine includes structure providing spaced apart suction and pressure sides. A cooling passage includes a first passageway near the pressure side and a second passageway in fluid communication with the first passageway. The second passageway is arranged between the first passageway and the suction side.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090028704 - Wind turbine blade with cambering flaps: A wind turbine having at least a blade comprising a first component (11) having an aerodynamic profile with a leading edge (5), a trailing edge (7) and suction and pressure sides between the leading edge (5) and the trailing edge (7) and a second component (13) attached to the trailing... Agent: Ladas & Parry LLP

20090028705 - Wind turbine blade with deflectable flaps: A wind turbine having at least a blade comprising a first component (11) having an aerodynamic profile with a leading edge, a trailing edge and suction and pressure sides between the leading edge and the trailing edge, and a second component (13), attached to the trailing edge and/or to the... Agent: Ladas & Parry LLP

20090028706 - Vertical axle helix monoblock wind turbine: VAHM has a rotor helix type, vertical axle, omni directional foil, which incorporates a 3 helix monoblock blade which transforms wind energy into electrical energy, via stand alone batteries. Rotor movement begins at a 2-3 m/s wind speed and provides a self-braking momentum at over 20 m/s wind speed.... Agent: Michael Ries

20090028707 - Apparatus and method for repairing airfoil tips: A method of repairing an airfoil for a gas turbine engine includes removing a damaged portion of the airfoil at a radially outward tip of the airfoil, securing temporarily a portion of a ceramic core stub within an internal cavity of the airfoil, applying new metallic material to the airfoil... Agent: Kinney & Lange, P.a.

20090028708 - Swashplate assembly: An improved swashplate assembly of the main rotor of an AH-64 Apache helicopter includes a stationary swashplate and a rotating swashplate and a ball bearing between the swashplates, the ball bearing having an outer ring, an inner ring, two sets of balls between the inner ring and the outer ring,... Agent: Michaud-duffy Group LLP

20090028709 - Adjustable fan and method: An adjustable fan includes a hub having a receiving surface and a fan blade having a base abutting the receiving surface of the hub. A plurality of keyways may be positioned in at least one of the receiving surface and the base. A key may extend between the base and... Agent: Caterpillar Inc. Intellectual Property Dept.

20090028710 - Fan blade: The present invention relates to a fan impeller structure, which includes a hub having a plurality of blades distributed around the periphery of the hub in a radial manner. The blade has a windward surface and a leeward surface; at least a flow-guiding section is disposed on the leeward surface... Agent: Bacon & Thomas, Pllc

20090028711 - Method for the inductive high-frequency pressure welding of metallic structural elements using at least two different frequencies and component produced by said method: The present technology relates to a method for connecting metallic structural components, especially structural components of a gas turbine, wherein the connection of corresponding connecting surfaces of the construction elements occurs by means of an inductive high-frequency pressure welding with heating of at least one connecting surface. According to the... Agent: Mcandrews Held & Malloy, Ltd

20090028712 - Turbomachine having axial rotor blade securing: A rotor of a turbine machine having several rotor blade rings positioned in succession in the axial direction, is disclosed. Each rotor blade ring has a rotor base body with several rotor blades anchored by blade footings in axial grooves of the rotor base body that extend essentially in the... Agent: Crowell & Moring LLP Intellectual Property Group

20090028713 - Centrifugal multiblade fan: A plurality of curved rectangular blades are arranged in a circumferential direction on a periphery of a disc, forming a pipe-like basket shape with an opening on a front side of the disc. Rotation of the disc draws in air from the opening and draws out the air in a... Agent: Buchanan, Ingersoll & Rooney Pc

20090028717 - Fan blade: p

20090028715 - Impeller: An impeller includes a hub having a top portion and an annular wall extending from a circumference of the top portion in a direction perpendicular to the top portion. The top portion includes a shaft base for coupling with a shaft located in an inner space defined by the top... Agent: Joe Mckinney Muncy

20090028716 - Impeller: An impeller includes a plurality of portions, a plurality of bends, and a plurality of blades. A substantial thickness of a portion is smaller than a substantial thickness of another portion more adjacent to a central axis of the impeller. Each bend is interconnected between two portions adjacent to each... Agent: Joe Mckinney Muncy

20090028714 - Method of designing tool and tool path for forming a rotor blade including an airfoil portion: A method of designing a tool for forming a rotor blade including an airfoil portion includes generating a computer model of a rotor blade having an airfoil portion, and determining a curvature and radius of curvature at sections of the rotor blade. An inner and outer diameter of a circumferential... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090028719 - Multi-blade fan: In a multi-blade fan provided with a plurality of notches in a blade edge in an outer side of each impeller blade, it is possible to direct an impeller blade outlet in a portion of the notches to a circumferential direction. Also, it is possible to direct an air flow... Agent: Birch Stewart Kolasch & Birch

20090028718 - Wind turbine rotor blade and pitch regulated wind turbine: A wind turbine rotor blade with an airfoil profile having an upwind side, a downwind side is provided. A stall inducing device is located at the upwind side of the airfoil profile.... Agent: Siemens Corporation Intellectual Property Department

20090022589 - Variable speed hub: A method of adjusting the speed of blades rotating in a rotor plane on a wind turbine, wherein the angle between at least two blades in the rotor plane is changed, whereby the tip speed of each individual blade can be optimised relative to the current speed of the wind... Agent: Day Pitney LLP

20090022590 - Method of balancing a suction unit comprising a ventilator and an electric motor: A method of manufacturing an electrical suction unit for use in a vacuum cleaner includes a turbine unit and an electrical motor with a rotor and a stator. The turbine unit is attached to the rotor and forms, together with the rotor, a rotatable part of the suction unit, which... Agent: Philips Intellectual Property & Standards

20090022591 - Steam turbine and rotating blade: A blade mountable to a disc comprises a blade platform and a blade root extending from the blade platform. The blade root comprises first, second, and third hooks and first, second and third necks. Each hook comprises a contact surface and a non-contact surface, and an angle between each contact... Agent: Nixon & Vanderhye P.c.

20090022592 - Clamped plate seal: A seal for a dovetail joint in a turbomachine is provided. The seal includes an arcuate member having a first end, a middle portion and a second end. The seal also includes sealing means, which include at least one sealing member. The sealing member can comprise a first sealing member... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090022593 - Fan blade retaining structure: A disk 10 includes a plurality of dovetail grooves 12 which are spaced at a predetermined angular interval in a circumferential direction and extend in an axial direction. A fan blade 20 includes a dovetail part 22 which is fitted to each of the dovetail grooves in an axial direction... Agent: Griffin & Szipl, Pc

20090022594 - Wear prevention spring for turbine blade: A turbine airfoil support system for supporting a turbine blade to prevent wear during turning gear operation when a rotor assembly supporting the turbine blade rotates at about two revolutions per minute (RPM) to keep the turbine ready for quick startup requirements. The turbine airfoil support system may be formed... Agent: Siemens Corporation Intellectual Property Department

20090022595 - Steam turbine and rotating blade: A blade is mountable to a disc. The blade comprises a blade platform and a blade root extending from the blade platform. The blade root comprises a first hook and a second hook, a first neck between the first hook and the blade platform, and a second neck between the... Agent: Nixon & Vanderhye P.c.

20090022596 - Steam turbine rotating blade: A rotating blade for a steam turbine includes a root section and an airfoil section contiguous with the root section. The airfoil section is shaped to optimize aerodynamic performance while providing optimized flow distribution and minimal centrifugal and bending stresses. The blade also includes a tip section continuous with the... Agent: Nixon & Vanderhye P.c.

20090022597 - Apparatus for the generation of power from a flowing fluid: Apparatus for the generation of electrical or mechanical energy from a flowing fluid. The apparatus includes at least one blade of substantially helical configuration. The blade has a plurality of blade sections. Action of the flowing fluid on the blade causes it to rotate around its axis. The rotational motion... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20090022598 - Wind turbine rotor blade and wind turbine rotor: A wind turbine rotor blade is provided which includes a root end and a tip end located opposite the root end. A leading edge extends from the root end to the tip end. A trailing edge extends from the root end to the tip end. A span direction is defined... Agent: Siemens Corporation Intellectual Property Department

20090022599 - Methods and apparatus for assembling a steam turbine bucket: A method of assembling a turbine bucket is provided. The bucket includes a dovetail portion, an airfoil portion, and a root that extends between the airfoil portion and the dovetail portion. The turbine bucket includes a pressure side and a suction side that are connected together at a leading edge... Agent: John S. Beulick (17851) Armstrong Teasdale LLP

20090022600 - Steam turbine rotating blade: A rotating blade for a steam turbine includes a root section and an airfoil section contiguous with the root section. The airfoil section is shaped to optimize aerodynamic performance while providing optimized flow distribution and minimal centrifugal and bending stresses. The blade also includes a tip section continuous with the... Agent: Nixon & Vanderhye P.c.

20090022601 - Steam turbine rotating blade: A rotating blade for a steam turbine includes a root section and an airfoil section contiguous with the root section. The airfoil section is shaped to optimize aerodynamic performance while providing optimized flow distribution and minimal centrifugal and bending stresses. The blade also includes a tip section continuous with the... Agent: Nixon & Vanderhye P.c.

20090016880 - Pressure measurement device and method for determining wind force at wind energy installations: A rotor blade of a wind energy installation has a wall forming an outer shell, and at least one pressure measurement device arranged inside the rotor blade. The pressure measurement device includes a hollow body that is closed in a gastight fashion and has at least one pressure-dependent deformable diaphragm.... Agent: Staas & Halsey LLP

20090016881 - Turbine blade and gas turbine equipped with a turbine blade: The invention relates to a turbine blade comprising a vane that runs along a blade axis and a platform region, which is located at the root of the vane and has a platform that extends transversally to the blade axis. The aim of the invention is to guarantee the improved... Agent: Siemens Corporation Intellectual Property Department

20090016882 - Apparatus for capturing kinetic energy: An apparatus for capturing kinetic energy from wind and water current speeds is disclosed for use in both commercial and residential applications generally comprising a vertical axis spindle, a plurality of structural arms attached to said spindle, and a plurality of panels rotationally attached to the ends of their respective... Agent: St. Onge Steward Johnston & Reens, LLC

20090016883 - Method and device for fans: Fans with wings that detach, fold or twist for the purpose of cleaning, transport and storage. The twisting embodiment can be used for adjusting the force of the air and its direction. The invention applies to domestic and industrial fans and all kinds of fans including floor standing upright fans,... Agent: Uzi Ezra Havosha & Partners

20090016884 - Device and method for adjusting angle-of-attack of wind blades in lift-type vertical axis wind turbine: A device for adjusting an angle-of-attack (δ) of blades in a lift-type vertical axis turbine comprising a vertical rotating axis, a rotatable cantilever support wing fixed on the vertical rotating axis, a wind rotor comprising a plurality of blades mounted on the cantilever support wing, at least one cam disposed... Agent: Matthias Scholl

20090016885 - Wind turbine rotor, a rotation controlling mechanism and a method for controlling at least one blade of a wind turbine rotor: d

20090016886 - Apparatus and method for retaining bladed rotor disks of a jet engine: An apparatus (3) retains bladed rotor disks (4, 6, 9) of a jet engine which engine includes an axial-flow compressor with several bladed rotor disks (4, 6, 9), at least one turbine section, at least one shaft and at least one tie-rod (12, 47), with at least two bladed rotor... Agent: Harbin Klima Law Group PLLC

20090016887 - Rotor drum for multiple rotor wind turbine: According to embodiments described in the specification, provided is a rotor drum for use with a multiple-rotor wind turbine, the rotor drum being mountable on a generator shaft of a generator. The rotor drum comprises a plurality of rotors, each rotor being configured to permit a mounting of a plurality... Agent: Shoemaker And Mattare, Ltd

20090016888 - Disk of a disk rotor for a gas turbine: c

20090016889 - Locking sub-assembly for closing the remaining gap between the first and the last blade of a blade ring which are inserted in a circumferential groove of a turbomachine, and corresponding turbomachine: The invention relates to a closing assembly for closing the gap remaining between the first and the last blade of a blade ring that is inserted in a peripheral groove of a turbo machinery, said assembly consisting of at least two lateral parts, at least one of which can be... Agent: Siemens Corporation Intellectual Property Department

20090016890 - Turbomachine rotor assembly: A turbomachine rotor assembly comprising: a rotor disk (2) presenting slots (4) in its outer periphery; blades (14) fastened via their roots (16) in said slot (4); and shims (20) mounted between the blade roots (16) and the disk (2), each shim (20) comprising two branches (20A) and a base... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090016892 - Vertical shaft wind turbine and method of installing blades therein: This invention relates to a vertical shaft wind turbine, and particularly to an installation method of blades that can effectively improve the efficiency of a vertical shaft wind turbine. A supporting plane is connected to vertical shaft and a blade is installed on supporting plane. The airfoil of the blade... Agent: Matthias Scholl

20090016891 - Wind turbine blade tip vortex breakers: A wind turbine includes a tower supporting a drive train with a rotor, at least one blade extending radially from the rotor; and a plurality of substantially flat flaps extending substantially perpendicular from a suction surface of the blade and along different chord lines near a tip of the blade... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20090016894 - Component with internal damping: A method of manufacturing a component such as a gas turbine fan blade. The method comprises: disposing a plurality of webs between a plurality of panels; and deforming the panels and the webs by applying internal pressure between the panels, thereby forming a series of internal cavities (15) partitioned by... Agent: Oliff & Berridge, PLC

20090016895 - Impeller: The invention relates to closed impellers (1) for centrifugal pumps used for conveying homogeneous liquids, especially in cooling systems of motor vehicles. The aim of the invention is to develop a novel design of closed impellers (1) for centrifugal pumps used for conveying homogeneous liquids, especially in coolant pumps, such... Agent: Collard & Roe, P.C.

20090016893 - Skinning of progressive cavity apparatus: A skinned rotor 201 or skinned stator 305 of a progressive cavity apparatus is described. A rotor 201 can be skinned by threading a sleeve 210 with a profiled helical outer 212 and profiled helical inner 214 surface onto a core 202 with a profiled helical outer surface 204. A... Agent: Schlumberger Oilfield Services

20090016896 - Conical washer system for propeller stabilization: A mount and conical spring element for use in a propeller stabilizer system, especially suited to stabilize the propellers of a wind machine or alternatively a wind powered generator, and more particularly a system of conical washers, or “belleville” type washers, positioned at the teeter pinned hub of the propeller,... Agent: Stratton Ballew

20090016897 - Wind turbine tower, a wind turbine, a wind turbine tower elevator and a method for assembling a wind turbine tower: The invention relates to a wind turbine tower comprising at least two annular tower rings placed vertically on top of each other. The wind turbine tower is characterized in that, a first tower ring overlaps at least a further tower ring of the at least two tower rings. The invention... Agent: St. Onge Steward Johnston & Reens, LLC

20090010765 - Reinforced airfoils: A reinforced airfoil includes an airfoil body including opposed walls that define a hollow interior space and a reinforcement member provided on at least one of the walls within the interior space, the reinforcement member increasing the thickness of the at least one wall so as to resist deformation of... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090010760 - Method of correcting balance of gas turbine: A method of correcting the balance of a gas turbine formed so that a balance between the generator side shaft end of a rotor and the shaft end of the gas turbine can be corrected within the range of service rotational speed. In the method, after the rotor is assembled... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090010761 - Rotating device to be used in a fluid: The invention relates to a rotational device that is to be used in a fluid in order to generate power from the moving stream of a fluid or to convert energy into a motion of a fluid. Said rotational device comprises main rotating means which is fixedly connected to a... Agent: Lowe Hauptman Ham & Berner, LLP

20090010762 - Damper for turbomachine vanes: The present invention relates to a turbomachine vane damper constructed so as to be housed between the lower face of the platforms of two adjacent turbomachine vanes and the rim of the rotor disk on which the vanes are mounted. This damper is noteworthy in that it comprises a weight... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090010763 - Propeller: A propeller has a hub 1 with a pair of blades 3 extending therefrom. Each blade 3 has a root, a tip, a first blade portion 10a extending between the root and tip and a second blade portion 10b extending between the root and tip adjacent and substantially parallel to... Agent: Brinks Hofer Gilson & Lione/ann Arbor

20090010764 - Blade provided with a horizontally-wound spar, and a method of fabricating such a spar: The present invention relates to a rotorcraft blade (1) provided with a distributed spar (10) on a leading edge (4), a suction side (2), and a pressure side (3) of the blade, and the invention also relates to a method of fabricating such a spar. The blade is provided with... Agent: Young & Thompson

20090004004 - Rotorcraft: There is described a rotary wing aircraft comprising a fuselage (5), a main rotor (3) rotatable e in a main rotor plane relative to the fuselage for supporting the aircraft in flight, and a plurality of control thrusters (7) each operable to provide a thrust force acting in a tangential... Agent: Patent Docket Administrator Lowenstein Sandler PC

20090004005 - Method of controlling the pitch velocity of a wind turbine blade and control system therefore: A method of controlling at least one wind turbine blade during the stopping process of the rotor in a wind turbine system is disclosed. The method optimizes the control velocity of the process in response to one or more feedback values of the system and/or one or more feedback values... Agent: Cantor Colburn, LLP

20090004006 - Device for cooling slots of a turbomachine rotor disk: The invention relates to a device for cooling the slots of a turbomachine rotor disk, the device comprising a rotor disk having a plurality of slots and a flange that extends upstream from a radially upstream face of the disk. The device also comprises a retaining annulus having a flange... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090004023 - Device for cooling the slots of a rotor disk in a turbomachine having two air feeds: The invention relates to a device for cooling slots in a turbomachine rotor disk, comprising a rotor disk having a plurality of slots and a flange. The device also comprises blades, each having its root mounted in a respective slot, a retaining annulus having one end mounted against the upstream... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090004007 - Centrifugal fan and blower having the same: A centrifugal fan includes a plurality of blades, a first wall disposed at first axial ends of the blades, and a second wall disposed at second axial ends of the blades and having a shaft portion at a center. At least one of the first wall and the second wall... Agent: Harness, Dickey & Pierce, P.L.C

20090004008 - Blade mounting: Turboprop and propfan engines generally incorporate blades which have variable pitch to improve operational efficiency. Variable pitch is achieved through a pitch control mechanism at the root of the blade but such mechanisms may fail resulting in the blades turning to define a flat configuration with low drag and therefore... Agent: Oliff & Berridge, PLC

20090004009 - Method for controlling of at least one element of a first component of a wind turbine, control device and use of the control device: The invention concerns a method for controlling of at least one element of a first component of a wind turbine and a control device not permanently belonging to the wind turbine wherein the control device is connected to a communication interface of the first component for supporting the mounting of... Agent: Siemens Corporation Intellectual Property Department

20090004010 - Signal transmission apparatus of a dc brushless motor for a ceiling fan: A signal transmission apparatus of a DC brushless motor for a ceiling fan is provided. The signal transmission apparatus comprises a transmitting line. The transmitting line is configured to transmit processed output signals of a plurality of electromagnetic sensors, in which usage of transmission lines is reduced. The output signals... Agent: Holland & Knight LLP

20090004011 - Steam turbine, and intermediate support structure for holding row of long moving blades therein: A row of moving blades for a steam turbine has moving blades elongated radially which are arranged peripherally around and secured to a turbine rotor 9. The row also has an intermediate support structure for holding the blades each other at a radially intermediate position. The support structure has a... Agent: Foley And Lardner LLP Suite 500

20090004012 - Cover plate for turbine rotor having enclosed pump for cooling air: A cover plate for use with a rotor disk in a gas turbine engine includes an enclosed chamber associated with a web on the rotor disk. The enclosed chamber ensures that adequate cooling air is delivered by rotation of the cover plate.... Agent: Carlson, Gaskey & Olds, P.C.

20090004013 - Turbine blade nested seal and damper assembly: A turbine blade damper-seal assembly includes a seal nested within a damper such that both the seal and damper are disposed to provide sealing between adjacent blade platforms. The seal traverses the seal slot in the damper and seals the gap between adjacent blade platforms for the full axial length... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20090004014 - Fast-positioning device for assembling blade brackets to a motor housing of a ceiling fan: A fast-positioning device for assembling blade brackets to a motor housing of a ceiling fan includes a motor housing and plural blade brackets. The motor housing has the circumference of its underside divided in to equal parts respectively formed thereon with a positioning plate protruding downward and respectively formed with... Agent: Sinorica, LLC

20090004015 - Fast-positioning device for assembling blade brackets to a motor housing of a ceiling fan: The invention relates to a fast-positioning device for assembling b lad e brackets to a motor housing of a ceiling fan. The motor housing has its bottom provided with at least a positioning plate respectively projected downward at plural locations equidistantly spaced apart around its circumference. Each of the positioning... Agent: Sinorica, LLC

20090004016 - Fast-positioning device for assembling blade brackets to a motor housing of a ceiling fan: The invention relates to a fast-positioning device for assembling blade brackets to a motor housing of a ceiling fan. The motor housing has its bottom provided with plural locations located around its circumference, which are respectively extended downward with at least two restricting plates having a long side aligned as... Agent: Sinorica, LLC

20090004018 - Device for axially retaining blades mounted on a turbomachine rotor disk: The invention relates to a device for axially retaining blades mounted on a turbomachine rotor disk, the device comprising a rotor disk having a plurality of slots and a flange extending radially outwards, cooperating with a bearing face of the disk to define a groove that is open radially outwards.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090004017 - Spacer interposed between a blade root and the bottom of a slot in the disk in which the blade is mounted: Wedging blades attached to the disk of a rotor having slots. According to the invention, each wedging spacer is made of an elastically deformable material and at least one longitudinal segment of the spacer presents a transverse profile of arcuate shape to define two lateral contact zones.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090004019 - Axial flow fan: An axial flow fan is provided having an airfoil shape that improves efficiency of the axial flow fan and increases the structural strength and workability/formability of the thin trailing edge portion. The axial flow fan includes a blade having a suction surface, a pressure surface, and a trailing edge surface;... Agent: Buchanan, Ingersoll & Rooney PC

20090004020 - Water pump: A water pump has a pump housing having a water inlet and a water outlet. A driven pump impeller is arranged in the pump housing. The pump impeller is a diagonal impeller with a carrier plate having a conical shape. The water inlet and the water outlet are arranged such... Agent: Gudrun E. Huckett Draudt

20090004021 - Movable impeller for a turbojet and turbojet comprising same: The impeller comprises a blade and a support of said blade which extend substantially radially. It also comprises at least one intermediate part extending, in a substantially axial direction, between said blade and said support of the blade, and at least one damping means placed on at least one face... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090004022 - Grille interchanging method and apparatus: According to some embodiments of the invention, an appliance having a removable grille includes: a lip located on the appliance having a hook shape; and a hook shaped end on the grille, the lip and hook shaped end dimensioned to allow the grille to substantially pivot with respect to the... Agent: Baker & Hostetler LLP