Fluid reaction surfaces (i.e., impellers) inventions 02/08

20080050241 - Turbine airfoil cooling system with axial flowing serpentine cooling chambers: A cooling system for a turbine airfoil of a turbine engine having suction and pressure side serpentine cooling channels formed between an internal support core and an outer wall of the turbine airfoil. The suction and pressure side serpentine cooling channels may be formed from legs extending in a general... Agent: Siemens Corporation Intellectual Property Department

20080050243 - Turbine airfoil cooling system with bifurcated and recessed trailing edge exhaust channels: A cooling system for a turbine airfoil of a turbine engine having a trailing edge cooling channel with bifurcated exhaust channels formed by suction and pressure side trailing edge cooling channels in fluid communication with a central trailing edge cooling channel. The suction and pressure side trailing edge cooling channels... Agent: Siemens Corporation Intellectual Property Department

20080050242 - Turbine airfoil cooling system with perimeter cooling and rim cavity purge channels: A cooling system for a turbine airfoil of a turbine engine having a perimeter cooling channel formed from a portion of a serpentine cooling channel, an airfoil tip cooling channel, and a leading edge cooling channel. The cooling system also includes cooling channels enabling cooling fluids to be discharged into... Agent: Siemens Corporation Intellectual Property Department

20080050244 - Turbine blade with split impingement rib: A gas turbine engine is provided with an airfoil component that is disclosed as a turbine blade. Internal cooling passages circulate air within the blade. An impingement rib separates a cooling air channel from a pedestal array, and includes cross-over holes to meter the flow of air into the pedestal... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080050245 - Turbomachine rotor blade: A turbomachine rotor blade comprising a root (14) mounted in a channel of the periphery of a disk and held by an annular flange (18) which presses on the root (14) of the blade (12), this root comprising a stop (44) engaging in a matching cavity of the flange in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080050234 - Wind turbine system: A wind turbine system for producing compressed air from wind energy. The wind turbine harvests energy from wind to produce mechanical energy. A compressor receives mechanical energy from the wind turbine to compress air to an elevated pressure. Thermal energy may be removed from the air, and the air is... Agent: Wolf Greenfield & Sacks, P.C.

20080050235 - Construction apparatus and method for a wind power installation: A small wind power installation of between about 50 and 150 kW nominal power, which can be set up practically at any location in the world as independently as possible of intensive machine support. A wind power installation is disclosed with a plurality of installation parts such as rotor, generator,... Agent: Seed Intellectual Property Law Group PLLC

20080050236 - Thermally sprayed conformal seal: A conformal seal (20) for sealing air flow between a cooling airflow path and a hot gas flow path within a combustion turbine engine. The conformal seal (20) may be fitted within cooperating side slots of adjacent vane segments (10) within the combustion turbine engine. The conformal seal (20) may... Agent: Siemens Corporation Intellectual Property Department

20080050237 - Rotor for wind turbine: A rotor for a wind turbine includes a rotation shaft having a first flange and rotatably supported on a support frame; a single disc installed on the rotation shaft; wind guide parts defined through the disc to guide wind blowing on surfaces of the disc; first wind collecting parts formed... Agent: W. Norman Roth

20080050238 - Disc firtree slot with truncation for blade attachment: A turbine rotor disc includes a plurality of attachment slots for receiving firtree-profiled blade roots. Each attachment slot is formed in an undulating profile having substantially smoothly curved and laterally, alternately recessed and projecting portions. At least one pair of substantially smoothly curved projecting portions being truncated at a tip... Agent: Ogilvy Renault LLP (pwc)

20080050240 - Axial fan and blade design method for the same: An axial fan which includes a hub portion having the rotational center thereof and blades arranged on the outer periphery of the hub portion is equipped with a thickness reinforcing portion which extends from the joint portion between the blade front edge portion of the blade and the hub portion... Agent: Darby & Darby P.C.

20080050239 - Propeller blower, shell propeller: The invention relates to a propeller blower for axial outflow of suctioned air by means of an impeller disk (2) which is adjacent to the inside of the flow channel, said impeller disk comprising convex blades (1). The blades (1) are embodied as shell blades with elongate extensions. An end... Agent: Merek, Blackmon & Voorhees, LLC

20080044282 - Heat transferring cooling features for an airfoil: A turbine blade airfoil assembly includes a cooling air passage. The cooling air passage includes a plurality of impingement openings that are isolated from at least one adjacent impingement opening. The cooling air passage is formed and cast within a turbine blade assembly through the use of a single core.... Agent: Carlson, Gaskey & Olds, P.C.

20080044283 - Elastomeric bearing with heatable shims: An electrically heatable elastomeric bearing according provides an electrically heatable elastomeric bearing shim layer which replace one or more of the metallic shims currently used in non-heatable elastomeric bearing designs. The heatable shim layers facilitate the maintenance of a constant bearing spring rate to prevent an increase to bearing loads... Agent: Carlson, Gaskey & Olds, P.C.

20080044284 - Segmented fluid seal assembly: A rotor assembly for a turbine engine includes a rotor disk having rotor blades mounted about the circumference and rotatable about a central longitudinal axis. A fluid seal extends about the circumference of the rotor disk in close proximity to a stationary component to separate the space between the rotor... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080044285 - Torque converter with brazed turbine: The invention broadly comprises a torque converter including: a core ring; a turbine blade connected to the ring and having a perimeter with a segment facing an outer surface of the ring and disposed proximate the outer surface; and joining material fixedly connecting less than the entirety of the segment... Agent: Simpson & Simpson, PLLC

20080044287 - 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)

20080044286 - Rotor blade of a first phase of a vapor turbine with a fork foot and covering belt: A rotor for traction engines, in particular of a first phase of a vapor turbine, comprising a series of blades (12) arranged circumferentially on the rotor by the interposition of a base portion (18) formed in a single piece with the blades (12), on the opposite portion of the blades... Agent: General Electric Co. Global Patent Operation

20080044288 - Rotor blade for a second phase of a compressor: The invention relates to a blade (10) of a rotor of a second phase of a compressor, which can be defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y, Z), wherein the axis (Z) is a radial axis intersecting the central axis of... Agent: General Electric Co. Global Patent Operation

20080044290 - Conformal tip baffle airfoil: A turbine blade includes an airfoil tip with first and second tip ribs extending from a tip floor. The ribs extend along the opposite pressure and suction sides of the blade and are joined together at opposite leading and trailing edges. A tip baffle is nested transversely between the ribs,... Agent: Francis L. Conte, Esq.

20080044291 - Counter tip baffle airfoil: A turbine blade includes an airfoil having first and second tip ribs extending along the opposite pressure and suction sides thereof The tip ribs are spaced apart between the leading and trailing edges of the airfoil to include a tip baffle. The baffle extends chordally in counter profile with the... Agent: Francis L. Conte, Esq.

20080044289 - Tip ramp turbine blade: A turbine blade includes first and second tip ribs extending from a tip floor to define a tip cavity. An exit ramp bridges the ribs and rises in elevation aft from the floor.... Agent: Francis L. Conte, Esq.

20080044292 - Axial impeller with enhance flow: An axial impeller (1), with enhanced flow, rotating in a plane (XY) about an axis (2) comprises a central hub (3), whose diameter is smaller than the diameter of the drive motor (3a), a plurality of blades (4) having a base (5) and a tip (6), the blades (4) being... Agent: Nath & Associates

20080038116 - Turbine blade tip shroud: A turbine blade tip shroud. The tip shroud may include a platform, a number of Z-notched positioned within the platform, a number of seal rails positioned on the platform, and a number of cavities positioned within the platform and adjacent to seal rails and the Z-notches.... Agent: Sutherland Asbill & Brennan LLP

20080031739 - Airfoil with customized convective cooling: An airfoil suitable for use in the turbine section of a jet engine. Said airfoil contains a core having a passage for conducting a coolant through said airfoil and discharging the coolant through a radially disposed slot at the trailing edge of the airfoil. A flow barrier is mounted adjacent... Agent: Marjama Muldoon Blasiak & Sullivan LLP

20080031738 - Bell-shaped fan cooling holes for turbine airfoil: A turbine airfoil a plurality of cooling holes formed in the external surface of the airfoil in fluid communication with a cooling circuit. The cooling holes have a metering section and a diffuser section opening to the external surface of the airfoil. The diffuser section has top, bottom and opposed... Agent: Adams Evans P.A.

20080031734 - Main shaft slide sleeve assembly for remote control helicopter: A main shaft slide sleeve assembly for remote control helicopter includes a slide sleeve fixedly connected to a main shaft of the helicopter; a spherical hub disposed in the slide sleeve to connect to a swash plate via two hub links, and to two flybar rods via two projected columns;... Agent: Chien-chao Chen

20080031735 - Single-shaft dual-direction fan assembly: A single-shaft dual-direction fan assembly includes a shaft and two fan rotors each mounted on an end of the shaft respectively. The two fan rotors each include a plurality of fan blades, and the fan blades of the two fan rotors are curved toward reverse direction respectively. A motor couples... Agent: Wpat, PC Intellectual Property Attorneys

20080031736 - Structure of fan for reducing vibration: A structure of a fan capable of reducing vibration is disclosed. The fan has a base and a fan pivotally connected to the base. The base has axial sleeve concentrically surrounding least one axle. The fan is connected to an axis from inside. The axis has a resilient element is... Agent: Asia Vital Components Co., Ltd.

20080031737 - Electric fan with bearing: 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