Patents Examined by Michael Sehn
  • Patent number: 10054126
    Abstract: A casing includes a first plate made of a metal, a support made of a resin, and a second plate fixed to the support. The first plate includes a flat plate portion, a through hole passing through the flat plate portion, and a claw portion extending upward from an edge of the through hole. A portion of the support is located in the through hole. The support covers a portion of the claw portion such that the support is prevented from turning and from coming off in an upward direction. The claw portion is defined by a portion of the first plate extending along a longest line segment inside the through hole in a plan view being bent upward from the flat plate portion. This enables the claw portion to have a great length even in a small area of the first plate to securely fix the support to the first plate.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 21, 2018
    Assignee: NIDEC CORPORATION
    Inventors: Takeshi Honda, Tadaaki Fujinaga, Haruo Michishita
  • Patent number: 10047625
    Abstract: A gas turbine engine, a fan section for a gas turbine engine, and a method for assembling a fan section of a gas turbine engine are disclosed. The fan section may include a fan hub having a slot, a spinner having a castellated spinner seal, a fan blade including an airfoil extending from a root to a tip, wherein the airfoil has a leading edge and the root is received in the slot, and a platform secured to the fan hub and arranged between adjacent fan blades. The fan section may further include a flap seal having a base secured to a side of the platform, and a flap integral with and extending from the base portion and canted toward the root and engaging the blade, the seal trimmed back from the leading edge of the airfoil.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: August 14, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: Royce E. Tatton
  • Patent number: 10024336
    Abstract: A compressor for a turbine engine, including: a casing, at least one compressor stage including an impeller having stationary blades and an impeller having moving blades positioned downstream of the stationary blade impeller, and cavities in a thickness of the casing that are disposed along a circumference of the casing opposite the moving blades. The cavities, which are elongate and extend along a main direction of orientation, are closed upstream and downstream by upstream and downstream faces respectively, and an upstream border and a downstream border are formed at the intersections between same and the casing. The cavities are offset in relation to the moving blades to overlap the moving blade impeller in the upstream portion, thereby covering the upstream end thereof. The downstream border of the cavities is oriented parallel to the chord at the head of the moving blade.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: July 17, 2018
    Assignee: SNECMA
    Inventors: Thierry Jean-Jacques Obrecht, Celine Ghilardi, Vincent Perrot
  • Patent number: 10024179
    Abstract: The invention relates to a fixed diffuser vanes assembly (10) for guiding flow through a turbomachine, comprising an internal annular platform (12) and a plurality of fixed vanes (11) which are mounted on this platform, the internal platform comprising a support plate (121) forming the base of said vanes, a radial annular partition (120) extending from the support plate toward an axis of the vanes assembly, and an internal ring (122) attached to the radial annular partition and having an internal surface on which an abradable material (123) is arranged, the vanes assembly being characterized in that the internal ring comprises at least one cut-out (1223) delimiting a tongue (1226), the tongue being bent to press against the radial annular partition (120). The invention also relates to a method of manufacturing such a vanes assembly and to a turbomachine incorporating such vanes.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: July 17, 2018
    Assignee: SNECMA
    Inventors: Sebastien Congratel, Marion Chambre, Bruno Richard, Romain Roullet
  • Patent number: 10024169
    Abstract: An engine component for a gas turbine engine includes a film-cooled substrate having a hot surface facing hot combustion gas flow and a cooling surface facing a cooling fluid flow. A film hole extends through the substrate to an outlet on the hot surface. A flow conditioning structure is provided downstream of the outlet.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: July 17, 2018
    Assignee: General Electric Company
    Inventor: Ronald Scott Bunker
  • Patent number: 9995168
    Abstract: A hover aircraft rotor having a hub which rotates about an axis and has a number of blades; a drive shaft connectable to a drive member of the aircraft and connected functionally to the hub to rotate the hub about the axis; and damping means for damping vibration transmitted to the shaft, and which include a mass designed to oscillate, in use, to oppose transmission to the shaft of vibration generated by rotation of the blades; the mass being free to oscillate parallel to the axis, to oppose transmission to the shaft of vibration having main components along the axis.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: June 12, 2018
    Assignee: AGUSTAWESTLAND S.P.A.
    Inventor: Attilio Colombo
  • Patent number: 9995274
    Abstract: The invention concerns a rotor hub of a wind power installation comprising a handling apparatus for lifting the rotor hub by means of a crane for mounting the rotor hub to a pod arranged on a wind power installation pylon, wherein the handling apparatus is so adapted that upon being lifted at a fixing portion of the handling apparatus the rotor hub rotates from a perpendicular orientation with a substantially perpendicular hub axis into a horizontal orientation with a substantially horizontal hub axis.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: June 12, 2018
    Assignee: Wobben Properties GmbH
    Inventors: Frank Knoop, Gerrit Kuiper
  • Patent number: 9989070
    Abstract: According to one aspect, an air cycle machine includes a fan rotor, a diffuser cone axially aligned with the fan rotor, and a strut plate assembly. The strut plate assembly includes a first strut plate and a second strut plate with an ejector formed between the first strut plate and the second strut plate. The first strut plate is axially positioned between the fan rotor and the ejector, and the second strut plate is axially positioned between the fan rotor and the diffuser cone. The first strut plate includes a plurality of outer struts and is absent inner struts between the fan rotor and the ejector. The second strut plate includes a plurality of inner struts and outer struts, where the inner struts are axially positioned between the ejector and the diffuser cone.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: June 5, 2018
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Craig M. Beers, Harold W. Hipsky
  • Patent number: 9988922
    Abstract: An impingement baffle for a gas turbine engine is provided. The impingement baffle is a one piece impingement ring with one opening and with fastening elements at both free ends of the impingement ring to enable the closing of the impingement ring. A gas turbine engine including at least one such an impingement baffle is also provided.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: June 5, 2018
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Johan Friis
  • Patent number: 9970307
    Abstract: Embodiments of a turbine nozzle having slip joints impregnated by an oxidation-resistant sealing material are provided, as are embodiments of methods for the manufacture of turbine nozzles. In one embodiment, the method includes providing a support ring, a slip joint ring substantially concentric with the support ring and radially spaced apart therefrom, and a plurality of vanes fixedly coupled to the support ring. The plurality of vanes extends radially from the support ring into a plurality of circumferentially-spaced slots provided in the slip joint ring to form a plurality of slip joints therewith. The plurality of slip joints are impregnated with a silicon-modified aluminide sealing material. The silicon-modified aluminide sealing material impedes gas flow into the radial slip joints during operation of the turbine nozzle, while also fracturing to permit relative radial movement between the plurality of vanes and the slip joint ring along the plurality of slip joints.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: May 15, 2018
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Shezan Kanjiyani, Bradley Reed Tucker, Natalie Wali, Daniel Hicks, Bill Macelroy
  • Patent number: 9964116
    Abstract: The present invention relates to an inducer geometry which can optimize the behavior stability of cavitation in an inducer having a plurality of blades of the same geometry. In the inducer having a plurality of blades of the same geometry, a blade loading at a tip side in a front half of a blade is larger than that in a rear half of the blade; and when a blade angle from a circumferential direction of the inducer is expressed by ?b (degree) and a meridional distance is expressed by m (mm), an increase rate d?b/dm of the blade angle at the tip side is not less than 0.2 from a blade leading edge to a non-dimensional meridional location of 0.15, and the increase rate d?b/dm of the blade angle at a mid-span is not less than 0.25 from the blade leading edge to the non-dimensional meridional location of 0.15.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: May 8, 2018
    Assignee: EBARA CORPORATION
    Inventor: Hiroyoshi Watanabe
  • Patent number: 9964117
    Abstract: The present invention relates to a compressor blade of a gas turbine having an airfoil and a blade root, said blade root and airfoil being made in one piece from a fiber-composite material, as well as a leading edge protector made from a sheet metal material, characterized in that the airfoil is provided with a radial groove extending substantially over the entire length of the airfoil and that the leading edge protector is detachably clamped onto the airfoil and is fixed with a sheet metal flange in the radial groove of the airfoil.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: May 8, 2018
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Karl Schreiber, Werner Hufenbach, Albert Langkamp, Tino Wollmann
  • Patent number: 9957964
    Abstract: An article of manufacture having a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z set forth in a scalable TABLE 1, wherein the Cartesian coordinate values of X, Y, and Z are non-dimensional values convertible to dimensional distances by multiplying the Cartesian coordinate values of X, Y, and Z by a number, and wherein X and Y are coordinates which, when connected by continuing arcs, define airfoil profile sections at each Z height, the airfoil profile sections at each Z height being joined with one another to form a complete airfoil shape.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: May 1, 2018
    Assignee: General Electric Company
    Inventors: Moorthi Subramaniyan, Jaya Rao Venkata Satya Vuppala
  • Patent number: 9957839
    Abstract: The invention relates to an outside ring of a rotary shaft bearing of a turbomachine, comprising a first guiding edge of at least one rolling element, the first guiding edge comprising an inside surface of the first guiding edge, an outside surface of the first guiding edge opposite the inside surface and at least one through-hole passing through the inside surface and the outside surface. Moreover, the inside surface of the first guiding edge forms a shoulder for guiding the rolling element, the through-hole defining a lubricant drainage orifice.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: May 1, 2018
    Assignee: SNECMA
    Inventors: Serge Louis Antunes, Arnaud Bessy
  • Patent number: 9957971
    Abstract: A method for preventing a fan from burning down includes steps of: using a central processing unit (CPU) to detect rotational speed of forward operation of a fan and defining as a highest backward rotational speed value; using the CPU to detect operation direction and rotational speed of backward operation of the fan; and using the CPU to activate the fan to operate forward or activate a rotation stop control signal to stop the fan when the fan impeller rotates forward or backward by return air, if the rotational speed of the rotation stop control signal is smaller or larger than the highest backward rotational speed value, the CPU activating the fan to operate forward or making the fan to generate a warning signal and keeping providing the rotation stop control signal. The method can prevent the fan from burning down and enhance the stability.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: May 1, 2018
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Qing-Wu Hu, Dong-Qi Tian, Bao-Lin Yao
  • Patent number: 9951745
    Abstract: An axial flow water turbine according to an embodiment includes a discharge ring and a runner vane. When seen in the runner meridional cross section, a straight line that passes a border between a cylindrical surface and a spherical surface of the discharge ring and that is perpendicular to a water turbine rotation axis is denoted as A. A crossing point between the straight line A and the water turbine rotation axis is denoted as B. A straight line inclined by an angle ? of 10 degrees or less is denoted as C. A cross point between the straight line C and the external peripheral end surface of the runner vane is denoted as D. In this case, the external peripheral end of the forward edge of the runner vane is located on the crossing point D.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: April 24, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Sadao Kurosawa, Kazuyuki Nakamura, Pohan Ko, Koichiro Shimizu
  • Patent number: 9945358
    Abstract: A blade adjusting device for a wind turbine is connected to a plant safety chain and can open and close the plant safety chain by activating a switch. If a fault is detected in one of the blade adjusting devices, the respective control unit can open the plant safety chain. By opening the safety chain, a signal is sent to the blade adjusting devices, and so all the blade adjusting devices initiate a synchronous safety operation of at least two rotor blades when the signal is received.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: April 17, 2018
    Assignee: AE ROTOR HOLDING B.V.
    Inventors: Reinhard Vilbrandt, Ingo Ibendorf
  • Patent number: 9945389
    Abstract: A modular fan assembly includes a center hub assembly and a first blade attached to the center hub assembly. The center hub assembly includes a first plate having an outer edge, and a second plate having an outer edge. The first blade has a mounting pad and a working portion. The mounting pad is positioned in between the first plate and the second plate. The working portion extends beyond the outer edges of the first and second plates of the center hub assembly. A thickness of the first blade is smaller proximate the outer edge of the first plate than at the mounting pad to create a first gap between the first blade and the first plate at the outer edge of the first plate.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: April 17, 2018
    Assignee: Horton, Inc.
    Inventors: Kevin Cahill, Eric Strauss, Doug Burchett, Hooshang Didandeh, Charles Mark Shogren
  • Patent number: 9938978
    Abstract: The invention is a device which uses stored pressure to pump waste and a corresponding method of use. Waste is stored in a first chamber and the chamber is subsequently sealed by a valve and pressurized prior to a second valve opening. The pressurized waste is thereby ejected from the pressure chamber down an outlet pipe.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: April 10, 2018
    Inventor: Khalil Abu Al-Rubb
  • Patent number: 9932896
    Abstract: The invention relates to an exhaust-gas turbocharger (1) having a compressor housing (3), having a bearing housing (28) which can be connected at one end to the compressor housing (3) by means of a first fastening device (19), and having a turbine housing (2) which can be connected to the bearing housing (28) at the other end of the latter by means of a second fastening device (20), with the compressor housing (3), the bearing housing (28) and the turbine housing (2) extending along an exhaust-gas turbocharger longitudinal axis (R), wherein the first fastening device (19) is designed as a plug-and-twist connecting device.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: April 3, 2018
    Assignee: BorgWarner Inc.
    Inventor: Thomas Lischer