Fluid reaction surfaces (i.e., impellers) inventions 03/08

20080075600 - Methods and apparatus for fabricating turbine engines: A method for fabricating a turbine bucket and an apparatus facilitate reducing tip shroud creep. The method includes providing a turbine bucket that includes a tip shroud including at least one seal rail. The method also includes coupling at least one cutter tooth to the tip shroud, wherein the at... Agent: John S. Beulick (17851)

20080075601 - Composite turbomachine blade with metal reinforcement: The invention relates to a turbomachine blade comprising an aerodynamic surface made of a composite material and extending in a first direction between a leading edge and a trailing edge, and in a second direction between a root and a tip of the blade. The blade includes solid metal reinforcement... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080075602 - Blades: Compressor fan blades have an isotropic core and composite fiber layers in an epoxy matrix. The fibers on opposite broad surfaces of the blade extend at an angle of between 25° and 35° to the blade length. The fibers on opposites sides of the blade are inclined in opposite senses... Agent: Foley And Lardner LLP Suite 500

20080075603 - Bond line forming method: A method for forming a bond between a first and a second shell of a blade is provided. The method comprises the steps of forming a cavity between said first and second blade shells and filling an adhesive into said cavity to form a bond line between said first and... Agent: General Electric Co. Global Patent Operation

20080069692 - Wind turbine and operating method thereof: A pitch controller, uninterruptible power supply, and rotational speed detector are disposed in the rotor in a wind turbine. When a slip ring failure or wire breakage occurs, the pitch controller internally creates a pitch angle command so as to control the pitch angle.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080069693 - Method and apparatus of monitoring a machine: A monitoring system for a machine is provided. The machine includes at least one movable member including at least one sensor configured to generate at least one speed measurement of the moveable member. The machine also includes at least one processor coupled in electronic data communication to the sensor. The... Agent: John S. Beulick (17851)

20080069694 - Electric fan: A fan device is described providing novel and beneficial features to the user. In a first aspect of the invention, an improved fan device and method is described in which a body portion (having a first longitudinal axis) of the fan may be both gripped, for moving the fan from... Agent: Fulwider Patton LLP

20080069695 - Rotary wing aircraft rotary lead lag damper: The invention provides a rotary damper for controlling helicopter motions. The rotary damper includes an outer canister with an inner paddle wheel receiving cavity which receives an inner paddle wheel with upper and lower elastomeric tubular intermediate members between the inner paddle wheel and the outer canister. The canister and... Agent: Lord Corporation Patent & Legal Services

20080069696 - Tension windmill: A windmill design in which all rigid blades are replaced by sail-type Blades that are only supported by tension. Each Blade is connected to a central Hub and outer Rim by means of two Spokes, and is twisted in shape to maintain a materially constant free wheeling angular velocity at... Agent: Little B. Company Attn: Sarah Barker-ball

20080069697 - Repairable labyrinth seal: A repairable labyrinth seal of a gas turbine engine comprises at least one fin having a base with a thickness and a tip portion extending therefrom. A shoulder distinguishes the base from the tip portion. The shoulder defines a machining site suitable for receiving a welded replacement piece for shaping... Agent: Ogilvy Renault LLP (pwc)

20080069698 - Reversible fan blade for a ceiling-suspended fan: An improved ceiling fan blade for use on a ceiling fan having a reversible motor and a plurality of said fan blades is provided in which each ceiling fan blade is in the shape of a trapezoid and the bottom part of the fan blade is wider than the tip... Agent: James W. Pravel Pravel Intellectual Property Law, PC

20080069699 - Wind turbine blades made of two separate sections, and method of assembly: The invention relates to a wind turbine blade (5) comprising at least two wind turbine blade sections (12, 13) that include one or more strengthening structures (6, 6a, 6b), the ends (14, 15) of said strengthening structures being connected in a connection joint. The ends include corresponding connection surfaces, the... Agent: Cantor Colburn, LLP

20080069700 - Reversible fan blade for a ceiling-suspended fan: An improved ceiling fan blade for use on a ceiling fan having a reversible motor and a plurality of said fan blades is provided in which each ceiling fan blade is in the shape of a trapezoid and the bottom part of the fan blade is wider than the tip... Agent: James W. Pravel Pravel Intellectual Property Law, PC

20080063524 - Cooling arrangement for a component of a gas turbine engine: A component, such as a blade, vane or combustor wall of a gas turbine engine comprises two walls defining a coolant passage and has an array of pedestals extending between the two walls for heat removal. Each pedestal changes in cross-section along its length. Alternate rows of pedestals are arranged... Agent: Oliff & Berridge, PLC

20080063523 - Rotor for a flotation machine: The invention relates to a rotor of a flotation machine, particularly to a rotor, that is used for dispersing air to a slurry, and which rotor comprises alternating air ducts and slurry grooves and a collar fitted to the rotor for guiding the slurry flow into the interior of the... Agent: Smith-hill And Bedell, P.C.

20080063525 - Bearing housing: The present invention provides a bearing housing (10) for accommodating a rotor shaft (33) of a wind turbine. The bearing housing includes a flange (12) for connecting the bearing housing to a main frame (30) of the wind turbine. The flange having a connecting surface (51, 52) to be attached... Agent: Blakely Sokoloff Taylor & Zafman/pdc

20080063526 - Structure of balancing fan: A structure of a balancing fan is disclosed. The fan comprises a hub and a rotation balancing unit. The hub comprises a top portion and a ring portion disposed around the top portion. A plurality of blades extends from the hub. The rotation balancing unit is disposed among the outer... Agent: Asia Vital Components Co., Ltd.

20080063527 - Electric fan with sealing lid: An electric fan includes a fan base (10), a bearing (40) and a rotor assembly (20). The fan base forms a central tube (11) receiving the bearing therein. The rotor assembly includes a fan hub (22), and a pivot axle (23) joined to the fan hub. The pivot axle pivotably... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20080063528 - Turbine wheel: The hub/blade junction of each rotor blade is placed with respect to the scalloping surface (F1+F2) such that this surface is supported as symmetrically as possible by the rotor blade. The turbine wheel with three-dimensionally curved rotor blades has scalloping in the area of the hub rear wall, and in... Agent: Buchanan, Ingersoll & Rooney PC

20080063529 - Undercut fillet radius for blade dovetails: A turbine or compressor blade assembly includes a blade fixed to a dovetail section attachable to a wheel. The dovetail section has a dovetail shaped to fit in a correspondingly shaped slot in the wheel. A dovetail platform serves as an interface between the blade and the dovetail. An undercut... Agent: Nixon & Vanderhye P.C.

20080063530 - Hp turbine blade airfoil profile: A first stage blade of a two-stage high pressure turbine includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly... Agent: Ogilvy Renault LLP (pwc)

20080063531 - Hp turbine blade airfoil profile: A second stage blade of a two-stage high pressure turbine includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly... Agent: Ogilvy Renault LLP (pwc)

20080063532 - Multiple-motor blower and impeller thereof: A multiple-motor blower includes a housing and a plurality of motors. The housing has a common outlet passage and different inlet passages. The motors are accommodated in the housing and respectively drive impellers to generate airflow flowing from the inlet passages to the outlet passage. Each of the impellers includes... Agent: Birch Stewart Kolasch & Birch

20080063533 - Turbine blade for a gas turbine engine: A turbine blade is manufactured as a single-crystal casting from a metal alloy, without a solution heat treatment step.... Agent: Oliff & Berridge, PLC

20080056907 - Method and apparatus for fabricating a nozzle segment for use with turbine engines: A method for orienting cooling holes of a nozzle singlet for a turbine engine is provided. The method includes providing a nozzle singlet having an inner band, an outer band, and at least one airfoil extending therebetween. The method also includes orienting at least one first row of cooling holes... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20080056908 - High effectiveness cooled turbine blade: An air-cooled turbine blade is provided having an airfoil shape defined by a convex suction side wall, a concave pressure side wall, a leading edge, a trailing edge, a root and a tip, the walls and the tip each including an interior surface that defines an interior with the root,... Agent: Honeywell International Inc.

20080056909 - Multi-peripheral serpentine microcircuits for high aspect ratio blades: A cooling arrangement for a pressure side of an airfoil portion of a turbine engine component is provided. The cooling arrangement comprises a pair of cooling circuits embedded within a wall forming the pressure side. The pair of cooling circuits includes a first serpentine cooling circuit and a second circuit... Agent: Bachman & Lapointe, P.C. (p&w)

20080056897 - Counter rotating rotor head: A device and method having a rotor head with a rotor input/output shaft, a rotor drive cap, an upper rotor/propeller hub, upper blades and a driver bevel gear; an idler assembly connects the upper rotor/propeller hub to a lower rotor/propeller hub, lower blades and an idler bevel gear; and a... Agent: Michael Ries

20080056898 - Outdoor umbrella with ventilation arrangement: An outdoor umbrella includes a supporting frame, an awning frame and a ventilation arrangement. The awning frame includes a functional umbrella hub suspendedly supported by the supporting frame, a plurality of awning frames radially and outwardly extended from the functional umbrella hub, and an awning supported by the awning arms... Agent: Raymond Y. Chan

20080056899 - Fan and impeller thereof: An impeller includes a hub, a plurality of blades, and an annular structure. The blades are disposed around the hub. The annular structure is connected to the blades. The annular structure includes a plurality of apertures. A balance material is filled in the apertures to achieve rotational balance of the... Agent: Birch Stewart Kolasch & Birch

20080056900 - Fan with integrated nonreturn flaps: A fan structure, suitable for rack-mounting adjacent to heat-generating electrical equipment, features an improved noise-damping outflow baffle containing a plurality of non-return flaps, serving to prevent reverse flow of air when fan activity is interrupted. In a preferred embodiment, four generally sickle-shaped flaps are used, each connected, along a straight... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20080056902 - Hp turbine blade airfoil profile: A single stage high pressure turbine blade includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly connected by an... Agent: Ogilvy Renault LLP (pwc)

20080056903 - Lp turbine blade airfoil profile: A single stage low pressure turbine blade includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly connected by an... Agent: Ogilvy Renault LLP (pwc)

20080056901 - Turbine exhaust strut airfoil and gas path profile: A turbine exhaust thin strut includes an airfoil section having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set forth in Table 2. The X and Y values are distances, which when smoothly connected by an appropriate... Agent: Ogilvy Renault LLP (pwc)

20080056904 - Variable geometry guide vane for a gas turbine engine: A variable geometry inlet guide vane for a gas turbine aircraft engine includes an aerodynamic shell for turning inlet flow to a turbine or compressor and an internal spar spaced from the airfoil shell by an air gap. A number of actuation mechanisms grounded to the spar and connected to... Agent: Mccormick, Paulding & Huber LLP

20080056905 - Erosion-protective coatings on polymer-matrix composites and components incorporating such coated composites: A stator vane is provided that includes an airfoil and a coating. The airfoil comprises a polymer matrix fiber composite having a melting point, glass transition temperature, or maximum exposure temperature that is less than about 150° C. The coating is formed over the airfoil and comprises a material that... Agent: Honeywell International Inc.

20080056906 - Rotating wedge leveler: An apparatus and method for mounting underwater turbines that includes a mechanism for correcting tilt error, including both the amount and direction of error, associated with the installation of underwater turbines onto anchoring or mounting structures so that the yaw axis of the mounted turbines will be as close as... Agent: Davidson Berquist Jackson & Gowdey LLP