Patents Examined by Adam W Brown
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Patent number: 9121409Abstract: A portable electronic device includes a main body and a heat dissipation module with a tiltedly installed centrifugal fan inside thereof. The main body includes an upper housing wall and a lower housing wall. The heat dissipation module includes a centrifugal fan, a heat dissipation fin array and a heat pipe. The centrifugal fan includes an impeller, a radial air outlet, an upper axial air inlet and a lower axial air inlet, wherein the centrifugal fan has a first side that is in contact with the upper housing wall and an opposite second side that is in contact with the lower housing wall. The heat dissipation fin array is located at the radial air outlet of the centrifugal fan. The heat pipe has a first end connected with the heat dissipation fin array and a second opposite end connected with a heat source.Type: GrantFiled: August 8, 2012Date of Patent: September 1, 2015Assignee: QUANTA COMPUTER INC.Inventors: Ming-Hsien Lin, Yun-Jeng Lin, Yu-Hsun Lin
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Patent number: 9097132Abstract: A gas turbine engine has a signal transmission system comprising a waveguide 40 which enables the transmission of microwave radio signals between a rotor 24 and stationary receiving electronics 32 of the engine. The waveguide 40 is centered on the engine axis 9.Type: GrantFiled: September 2, 2009Date of Patent: August 4, 2015Assignee: ROLLS-ROYCE PLCInventor: Stephen G. Garner
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Patent number: 9091248Abstract: The present invention relates to a wind turbine comprising a nacelle, the nacelle having a substantially longitudinal extension, a height extension and a width extension, comprising a front end, a rear end, a bottom part, a top part and side parts, and being adapted to house a number of wind turbine components, which wind turbine components are supported by an internal support structure, the support structure comprising at least a main foundation which is positioned at the front end of the nacelle, and a rear frame which is connected to the main foundation at one end and extends from the main foundation towards the rear end of the nacelle.Type: GrantFiled: October 26, 2010Date of Patent: July 28, 2015Assignee: VESTAS WIND SYSTEMS A/SInventors: Peter Haakon Á Porta, Yu Phu Du Tran, Hans Kristian Bjørn, Steffen Henrik Madsen, Erik Markussen
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Patent number: 9085357Abstract: The bearing system is configured for treating and reacting dynamic loading within a rotor hub of rotorcraft. The bearing system includes an outer member having a plurality of alternating outer elastomeric layers and shim layers. The outer member has an inboard surface configured for bonding to an inboard bearing support, and the outer member has an outboard surface configured for bonding to an outboard bearing support. The bearing system has an inner member bonded to an interior surface of the outer member. The inner member can include a rigid inner core, as well as a plurality of elastomeric layers and shim layers configured to react torsional movements of the rotor blade.Type: GrantFiled: November 15, 2011Date of Patent: July 21, 2015Assignee: Textron Innovations Inc.Inventors: Hunter Davis, Frank B. Stamps
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Patent number: 9068507Abstract: A compressor having a purge circuit. In one embodiment, the compressor includes: a rotor having a plurality of stages, each of the plurality of stages including a set of radially extending rotor wheels; a working fluid supply path for providing working fluid to each of the plurality of stages for compression by each set of radially extending rotor wheels; a purge circuit for diverting a first portion of the working fluid from an upstream portion of the working fluid supply path to at least one downstream stage of the plurality of stages; and a substantially axial bypass path bypassing the at least one downstream stage, the substantially axial bypass path for diverting a second portion of the working fluid around the at least one downstream stage.Type: GrantFiled: November 16, 2011Date of Patent: June 30, 2015Assignee: General Electric CompanyInventors: Eric David Roush, Tushar Sharadchandra Desai, Charles Alexander Smith
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Patent number: 9068559Abstract: The invention relates to a rotor blade for a wind turbine. The rotor blade comprises a shell and a spar forming a longitudinally extending hollow structure within the shell and comprising: a leading web, a trailing web, and one or more additional webs. Each additional web defines an intermediate portion between a hub end and a tip end. The intermediate portion of each additional web is spaced apart from the leading and trailing webs and at least one of the tip and the hub ends is connected to or integral with the leading or the trailing web. The invention further relates to a wind turbine comprising the rotor blade, and a method for manufacturing the rotor blade.Type: GrantFiled: February 15, 2010Date of Patent: June 30, 2015Assignee: Vestas Wind Systems A/SInventors: Mark Hancock, Andrew Hedges, Rens Christiaan Verhoef, Anton Bech, Tomas Vronsky
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Patent number: 9051939Abstract: A recirculation fan includes a casing, a covering member, and a fan assembly. The casing has a base. The covering member is coupled with the casing to define an accommodation space. The fan assembly is disposed within the accommodation space, and includes a first impeller, a second impeller, a motor, and a plurality of magnetic elements. The second impeller is located beside the first impeller. The motor is fixed on the base of the casing and connected with the first impeller for driving rotation of the first impeller. The magnetic elements are arranged between the first impeller and the second impeller. A wind force generated by the first impeller and a magnetic torque resulted from a magnetic vortex of the magnetic elements cause contactless rotation of the second impeller.Type: GrantFiled: May 24, 2012Date of Patent: June 9, 2015Assignee: DELTA ELECTRONICS, INC.Inventors: Shun-Chen Chang, Wen-Bin Liu
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Patent number: 9033660Abstract: A method is provided for operating a wind turbine having an elongated stand apparatus, a generator rotatably mounted on the stand apparatus, and a rotor coupled to the generator via a rotor hub and the wind turbine also having an elongated rotor blade. A position of a radar system is determined with respect to the wind turbine and at least one area is determined for the rotational axis of the rotor as a function of the determined position which is not intended to be permanently assumed for alignment of the rotational axis of the rotor about the longitudinal axis of the stand apparatus. The wind turbine is operated with the at least one determined area not being permanently assumed for the alignment of the rotational axis of the rotor about the longitudinal axis of the stand apparatus.Type: GrantFiled: January 16, 2012Date of Patent: May 19, 2015Assignee: Nordex Energy GmbHInventors: Volker Arlt, Guillaume Steinmetz, Ulrich Harms, Gerd Hose
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Patent number: 9033661Abstract: A rotor blade assembly is disclosed. The rotor blade assembly includes a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade further defines a span and a chord. The rotor blade includes a skin layer that includes the exterior surfaces. The rotor blade assembly further includes a passive spoiler assembly operable to alter a flow past an exterior surface of the rotor blade. The spoiler assembly includes a spoiler feature movable between a non-deployed position and a deployed position. Movement of the spoiler feature from the non-deployed position to the deployed position is caused by a change in an applied force to the spoiler feature by the skin layer.Type: GrantFiled: February 15, 2012Date of Patent: May 19, 2015Assignee: General Electric CompanyInventor: David Samuel Pesetsky
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Patent number: 9028207Abstract: A component wall in a turbine engine includes a substrate, a diffusion section, and at least one cooling passage. The diffusion section is located in a surface of the substrate and is defined by a first sidewall and a second sidewall. The cooling passage(s) include an outlet portion through which cooling air exits in a direction toward the first sidewall. The outlet portion includes a rear section, a front section, and an inner wall having proximal and distal ends. The rear section is located between the first and second sidewalls. The front section extends between the first sidewall and the distal end of the inner wall. The first sidewall extends into the outlet portion of the cooling passage(s) to the inner wall and extends from the first lateral wall to the second lateral wall so as to block the front section of the outlet portion.Type: GrantFiled: September 23, 2010Date of Patent: May 12, 2015Assignee: Siemens Energy, Inc.Inventors: Humberto A. Zuniga, Ching-Pang Lee, Michael E. Crawford
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Patent number: 9022730Abstract: A supersonic compressor includes a fluid inlet, a fluid outlet, a fluid conduit extending therebetween, and at least one supersonic compressor rotor disposed within the fluid conduit and including a fluid flow channel that includes a throat portion. The supersonic compressor also includes a fluid control device coupled in fluid communication with at least one fluid source and an inlet of the fluid flow channel. The fluid control device channels a first fluid to the fluid flow channel inlet. The first fluid has a first plurality of fluid properties that facilitate attainment of supersonic flow of the first fluid in the throat portion during a first operational mode. The fluid control device further channels a second fluid to the fluid flow channel inlet. The second fluid has a second plurality of fluid properties that permit maintenance of supersonic flow of the second fluid in the throat portion.Type: GrantFiled: October 8, 2010Date of Patent: May 5, 2015Assignee: General Electric CompanyInventors: Martin Vysohlid, Douglas Carl Hofer
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Patent number: 9022722Abstract: A frame assembly of a ring-type fan with a pressure-releasing function includes a fan wheel, a pressuring-releasing portion, and a frame body. The fan wheel is received in an accommodating space of the frame body. The fan wheel has a hub and a plurality of blades. The pressure-releasing portion is formed on free ends of the blades and has a stopping wall and a flange extending from one end of the stopping wall. A pressure-releasing channel is formed between the stopping wall and an inner wall of the frame body. With the pressure-releasing portion being formed on the free ends of the blades, the present invention is capable of delaying the deceleration, improving the fan performance, and reducing its noise.Type: GrantFiled: November 15, 2011Date of Patent: May 5, 2015Assignee: Asia Vital Components Co., Ltd.Inventors: Wen-Hao Liu, Guan-Chen Yin
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Patent number: 9011098Abstract: A propeller for an aircraft turbine engine comprising a plurality of vanes as well as a hub having a plurality of accommodating ports receiving the bases of said vanes, each vane base being rotatably mounted in its associated accommodating port. The propeller also has at least one vane retaining ring structure in the radial direction outwardly from the hub, being cladded around the latter.Type: GrantFiled: April 6, 2010Date of Patent: April 21, 2015Assignee: Airbus Operations S.A.S.Inventors: Laurent Lafont, Damien Prat, Lionel Diochon
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Patent number: 8985961Abstract: A turbomachine rotor including a disc including a rim and axial slots machined in the rim for the individual housing of blades, a ring being attached to one face of the rim, the ring being pierced with holes in the axial continuation of the slots, at least some of the holes in the continuation of the slots including a plug. The plug includes a first half-plug made of a first wear-resistant material and a second half-plug made of a second material, one of the two half-plugs bearing on one side of the ring and the other bearing on the other side of the ring and being connected to one another through the hole. The plug is configured to form an anti-wear device.Type: GrantFiled: April 7, 2009Date of Patent: March 24, 2015Assignees: SNECMA, MERSEN France Gennevilliers SASInventors: Thomas Chrzastek, Jean-Bernard Forgue, Dominique Gaveau, Patrick Jean-Louis Reghezza, Nicolas Christian Triconnet
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Patent number: 8967964Abstract: A boundary layer energizer (20) for energizing a boundary layer flow over a surface (22), the boundary layer energizer (20) comprising a plurality of passages (24), each passage terminating in a respective hole (26) provided on the surface (22), the holes being arranged in a cluster (23) on the surface, wherein the plurality of passages are angled with respect to one another at the surface such that, when in use, a vortex (24) is formed by a fluid flowing through the plurality of passages.Type: GrantFiled: September 16, 2010Date of Patent: March 3, 2015Assignee: Rolls-Royce PLCInventors: Christopher T. J. Sheaf, Zahid M. Hussain
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Patent number: 8961136Abstract: A film cooling hole for an air cooled turbine airfoil, where the film cooling hole includes a first expansion section with expansion only on the downstream wall and a second expansion section with expansion on the downstream wall and the two side walls. No expansion is formed on the upstream walls on the first and second expansion sections.Type: GrantFiled: February 15, 2012Date of Patent: February 24, 2015Assignee: Florida Turbine Technologies, Inc.Inventor: George Liang
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Patent number: 8944767Abstract: A centrifugal boost pump inducer section includes a plurality of inducer main blades, and a plurality of splitter blades, each of which includes normal to the blade mean line cross sectional surfaces distributed over the length of the blades, the cross sectional surfaces defined as a set of R-coordinates, theta-coordinates and Z-coordinates relative to an impeller outer diameter set out in one set of tables. A centrifugal boost pump impeller section includes a plurality of impeller main blades, a plurality of primary splitter blades, and a plurality of secondary splitter blades, each of which includes normal to the blade mean line cross sectional surfaces distributed over the length of the blades, the cross sectional surfaces defined as a set of R-coordinates, theta-coordinates and Z-coordinates relative to an impeller outer diameter set out in another set of tables.Type: GrantFiled: January 17, 2012Date of Patent: February 3, 2015Assignee: Hamilton Sundstrand CorporationInventors: Adrian L. Stoicescu, Steven A. Heitz
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Patent number: 8939728Abstract: A hybrid part for use in a gas turbine engine has a platform and an attachment feature. The platform and an exterior portion of the attachment feature are formed from a monolithic ceramic material. A ceramic matrix composite material is located adjacent interior portions of the platform and the attachment feature and is bonded to the monolithic ceramic material.Type: GrantFiled: June 30, 2011Date of Patent: January 27, 2015Assignee: United Technologies CorporationInventors: Michael G. McCaffrey, John E. Holowczak
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Patent number: 8939710Abstract: An exemplary turbomachine seal assembly includes a ring seal that has a radially-facing sealing surface, an axially-facing sealing surface, and a first tapered surface. The turbomachine seal assembly also includes a spacer that has a second tapered surface. The second tapered surface interfaces with the first tapered surface to bias the radially facing sealing surface and the axially facing sealing surface toward a sealing position.Type: GrantFiled: August 24, 2011Date of Patent: January 27, 2015Assignee: United Technologies CorporationInventor: Scot A. Webb
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Patent number: 8939715Abstract: A turbine bucket tip clearance control system includes a rotor assembly having a rotor supporting a plurality of axially spaced wheels, each wheel mounting an annular row of buckets, the annular row of buckets on at least one of the plurality of axially-spaced wheels having a radially outer tip shroud provided with at least one seal tooth. A stator assembly includes a radially inwardly facing, axially-stepped surface, formed with radially inner and outer seal surfaces connected by a shoulder. The stator assembly and rotor assembly are moveable axially relative to each other, enabling selective positioning of the at least one seal tooth radially opposite one of the radially inner and outer seal surfaces to thereby selectively alter a clearance gap between the at least one seal tooth and the radially inward facing axially-stepped surface.Type: GrantFiled: March 22, 2010Date of Patent: January 27, 2015Assignee: General Electric CompanyInventor: Harold Edward Miller
