Patents Examined by David E Sosnowski
  • Shroud attaching structure, shroud assembly, and shroud element in gas turbine
    Patent number: 11306618
    Abstract: A shroud attaching structure of a gas turbine includes: a support provided around an axis of the gas turbine and inside a casing of the gas turbine in a radial direction; and a shroud assembly attached to the support so as to cover an inner peripheral surface of the support, the shroud assembly being formed by laminating a large number of plate-shaped shroud elements containing a ceramic matrix composite. The shroud elements are lined up in a circumferential direction of the support. The adjacent shroud elements are arranged so as to be slidable on each other.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: April 19, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventor: Yoshiaki Kusumoto
  • Rotor blade folding system
    Patent number: 11299265
    Abstract: A rotor blade attachment assembly for use with a rotor hub to which a rotor blade assembly is connected includes a hub extender having an inboard end and an outboard end. The inboard end of the hub extender is configured to form a connection with the rotor hub. A blade fold axis about which the rotor blade rotates relative to the rotor hub is defined at the connection. An inboard bearing is mounted within an interior of the hub extender adjacent the inboard end and an outboard hearing is mounted within the interior of the hub extender adjacent the outboard end. A tension torsion strap is operably coupled to the inboard bearing and the outboard bearing.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: April 12, 2022
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: David N. Schmaling, Andrew C. Goodwin, Yair Preiss
  • Connection device for a turbocharger, and turbocharger
    Patent number: 11300009
    Abstract: A connection device for an exhaust gas turbocharger has a bent first element with a first tensioning arm at a first end. A second bent element has a second tensioning arm at a second end opposite the first end. A third end of the first element is formed opposite a fourth end of the second element. The first tensioning arm and the second tensioning arm are connectable by a first connecting element. The third end and the fourth end are movably connected with each other by a second connecting element. A transition is elastically formed between the respective tensioning arm and a supporting portion of the particular element, which extends between the tensioning arm and the third or fourth, respectively, end. The first element or the second element is formed in a profiled manner.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: April 12, 2022
    Assignee: IHI Charging Systems International GmbH
    Inventors: Farhad Haddadian, Klaus Sperling
  • Wind turbine blade apparatus and wind turbine blade attachment member
    Patent number: 11300097
    Abstract: A wind turbine blade apparatus at least includes a wind turbine blade body, wherein a serration portion is disposed on at least on a part of a trailing edge of the wind turbine blade body, the serration portion having a saw-teeth shape where a mountain portion and a valley portion are arranged alternately in a blade longitudinal direction, and wherein a chord-directional cross section of the wind turbine blade body along a chord direction is formed to have an airfoil shape at any position in a region from the mountain portion to the valley portion.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: April 12, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shoeji Nakaye, Kentaro Hayashi, Atsushi Yuge, Kai Karikomi, Shinsuke Nishimura
  • Anterior part of a nacelle of an aircraft propulsion unit having a shock absorbing element
    Patent number: 11293302
    Abstract: An anterior part of a nacelle of an aircraft propulsion unit having an air inlet lip at the front end, an internal structure and an external panel extending the air inlet lip, and an annular rigidifying frame having an external peripheral edge connected to the external panel is disclosed. The anterior part of the nacelle includes a shock-absorbing element connected rigidly on the one hand to an internal peripheral edge of the rigidifying frame and on the other hand to the internal structure.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 5, 2022
    Assignee: AIRBUS OPERATIONS (S.A.S.)
    Inventors: Frédéric Vinches, Gregory Albet, Julien Sentier
  • Wind turbine coupling to mitigate torque reversals
    Patent number: 11293409
    Abstract: A wind turbine power generating system, including a wind turbine connected to a speed-increasing gearbox having an output shaft. An electrical generator having an input shaft is also provided. A coupling interconnects the input and output shafts. The coupling includes a high torsional wind-up and/or displacement ability in parallel with a high frictional slip ability, such that during normal operation there is little or no frictional slippage and during a transient torque reversal the loads in the turbine drive system are decreased, thus decreasing the impact loads on the gearbox bearings.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: April 5, 2022
    Assignee: PT Tech, LLC
    Inventors: David C. Heidenreich, Richard E. Cole, Jr., Dustin J. Sadler
  • Turbine ring assembly having indexed flanges
    Patent number: 11286813
    Abstract: A turbine ring assembly includes ring segments forming a turbine ring and a ring support structure, each segment having a part forming an annular base with, in the radial direction, an inner face and an outer face from which project a first and a second hooking tab, the structure including a shroud from which project a first and a second radial flange between which are retained the first and second tabs, a first annular flange made of one part and a second annular flange disposed upstream of the ring. The first flange includes an annular shoulder and the second flange includes an annular recess forming an axial stop cooperating with the shoulder.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: March 29, 2022
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Antoine Claude Michel Etienne Danis, Clément Jean Pierre Duffau, Clément Jarrossay, Nicolas Paul Tableau, Lucien Henri Jacques Quennehen
  • Turbine shroud assembly with axially biased pin and shroud segment
    Patent number: 11286812
    Abstract: A turbine shroud assembly includes a carrier assembly, a blade track assembly, and a first biasing member. The carrier assembly includes a carrier segment having an outer wall, a first mount flange and a second mount flange having a chordal seal. The blade track assembly includes a blade track segment and a first mount pin. The first biasing member is arranged axially between and engaged with a retainer plug of the first mount pin and a pin segment of the first mount pin such that a portion of the pin segment engages an attachment feature of the blade track segment so as to bias the attachment feature into engagement with the chordal seal of the second mount flange.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 29, 2022
    Assignee: Rolls-Royce Corporation
    Inventors: Ted J. Freeman, Aaron D. Sippel, David J. Thomas
  • Wildlife deterring windmill
    Patent number: 11278021
    Abstract: Described herein are various systems and techniques for deterring wildlife from an area proximate a windmill. A flying wildlife emitter may be utilized for such techniques. The flying wildlife emitter may output soundwaves to deter wildlife, such as birds or bats, from entering an area around the windmill. The flying wildlife emitter may include a speaker for producing sounds as well as a controller and sensors for determining conditions around the windmill and for controlling the sound produced by the speaker.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: March 22, 2022
    Inventor: Timothy Just
  • Wind turbine measurement system
    Patent number: 11280315
    Abstract: A measurement system is provided for a wind turbine having a plurality of rotor blades mounted to a spinner at the front of a nacelle and arranged to rotate in a rotor plane. The measurement system includes a measuring device for determining a pressure at a number of pressure measurement points. The pressure measurement points are arranged in front of the rotor plane, an analysis module for generating a control signal on the basis of the pressure measurements, and output means for issuing the control signal to a controller of the wind turbine.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: March 22, 2022
    Assignee: SIEMENS GAMESA RENEWABLE ENERGY A/S
    Inventors: Jimmi Andersen, Jan Martin Jensen
  • Rotor for power driving
    Patent number: 11280313
    Abstract: A rotor (10) for power driving includes a hub (12), a plurality of fixed jibs (14), and a plurality of vanes (16). The hub (12) is adapted to be coupled with a mechanical shaft (24) which is driven by winds, water flows or tides as driving sources. The fixed jibs (14) are arranged around the hub (12) circumferentially and spaced from one another. Each fixed jib (14) extends in a radial direction perpendicular to an axial direction of the shaft (24). Each vane (16) is elastically fixed at one of the fixed jibs (14) such that the vanes (16) on which external forces act are elastically movable relative to the fixed jibs (14) and rebound after removal of the external forces.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: March 22, 2022
    Inventor: Zhen-Guo Weng
  • Guide vane cascade for a turbomachine
    Patent number: 11280212
    Abstract: The present invention relates to a guide vane cascade for a turbomachine, which has guide vanes that are mounted adjustably about an axis of rotation, so as to change an inflow angle each time, wherein a first guide vane and a second guide vane arranged on the pressure side thereof, referred to a longitudinal axis of the turbomachine, are arranged with an axial offset, namely, the axis of rotation of the second guide vane is offset axially toward the back, wherein the first guide vane and the second guide vane are provided such that, in an adjusted state, they form together a tandem configuration in a radially outer region but together they delimit a divergent channel in a radially inner region.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: March 22, 2022
    Assignee: MTU Aero Engines AG
    Inventor: Giovanni Brignole
  • Turbine cap for turbo-molecular pump
    Patent number: 11274671
    Abstract: Systems here include cone shaped turbine caps mounted to a turbo molecular turbine assembly. In some embodiments, the turbo molecular turbine assembly includes a body with a top cavity, a bottom cavity and external fins, the body mounted to a pump rotor. In some embodiments, the turbo molecular turbine assembly and cone shaped turbine cap are configured to fit into a chamber and spun by the mounted pump rotor. In some embodiments, the turbine external fins are configured to pump gasses and suspended particles from the chamber when spun. And in some embodiments, the cone shaped turbine cap includes a vent channel for venting air from the top cavity.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: March 15, 2022
    Inventor: Roger L. Bottomfield
  • Assembly of vane units
    Patent number: 11274561
    Abstract: A vane assembly includes a plurality of vane units and a connecting part. Each vane unit includes a base having a through-hole positioned between opposing longitudinal faces of the base. The connecting part includes a lacing bar that is insertable into and through the through-holes for coupling at least two adjacent vane units into the vane assembly. In the vane assembly the connecting part is arranged through the through holes of the plurality of vane units clamping the vane units on the lacing bar.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: March 15, 2022
    Assignee: SULZER MANAGEMENT AG
    Inventors: Jozef H. G. Mattheij, Twan Antonius Martinus Althuizen
  • Turbomachine with axial force recovery at the fan via pressurized gas feed
    Patent number: 11274554
    Abstract: A turbomachine having a fan shaft supported by a first bearing positioned downstream of the fan, the first bearing including an outer ring attached to an annular support secured to the stator. The turbomachine includes at least one gas feed duct leading into an enclosure positioned against the disc, the gas feed duct being adapted to be fed at a second end with pressurized gas taken from an airstream of a high-pressure compressor of the turbomachine, so that the gas applies an axial force towards upstream on the disc during some operating phases of the turbomachine. The turbomachine further includes a ferrule imperviously sealing the enclosure.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: March 15, 2022
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Michel Gilbert Roland Brault, Julien Fabien Patrick Becoulet, Amelie Argie Antoinette Chassagne, Didier Jean-Louis Yvon
  • Wind turbine blade provided with surface mounted device
    Patent number: 11274651
    Abstract: A wind turbine blade (10, 610) for a rotor of a wind turbine (2) having a substantially horizontal rotor shaft is described. A surface mounted device (70, 70?, 170, 270, 370, 470, 570, 670, 770) is attached to a surface of the wind turbine blade (10). The surface mounted device (70, 70?, 170, 270, 370, 470, 570, 670, 770) is attached to the surface of the wind turbine blade (10, 610) via at least a first attachment part (77, 77?), which is connected to a part of the surface mounted device (70, 70?, 170, 270, 370, 470, 570, 670, 770). The attachment part (77, 77?) comprises a flexible housing (80, 80?, 680, 780) that forms a cavity (81, 81?, 681, 781) between at least the housing (80, 80?, 680, 780) and the surface of the wind turbine blade (10, 610). The cavity (80, 80?, 680, 780) is filled with an adhesive that provides an adhesive bonding to the surface of the wind turbine blade (10, 610).
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: March 15, 2022
    Assignee: LM WP PATENT HOLDING A/S
    Inventors: Kristian Lehmann Madsen, Jesper Høeg, Casper Kildegaard, Steven Hauge Pedersen
  • Spring system varying stiffness with applied force for use in a torque dependent rotor of a rotary wing aircraft
    Patent number: 11267569
    Abstract: Embodiments disclosed herein present a spring system for use in a torque dependent rotor assembly designed to operate in resonance, where changes in applied torque controls the blade pitch angle and ultimately the movements of a rotary wing aircraft. More specifically, the present invention relates to a spring system used in such a rotor assembly where the stiffness of an associated spring member is allowed to vary in response to the torque applied from a motor to the assembly.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: March 8, 2022
    Assignee: FLIR Unmanned Aerial Systems AS
    Inventors: Petter Muren, Trygve Frederik Marton, Ivar Johnsrud, Pal Hagh Sandberg, Christian Moengen, Jo Eyvin Bjaarstad
  • Propeller nut
    Patent number: 11260945
    Abstract: The invention comprises an improved nut for securing a propeller to a drive shaft of a vehicle engine. The invention further comprises a nut that may be securely fastened to the end of the drive shaft of a trolling motor engine without the use of separate tools, such as wrenches or drivers. The invention even further comprises a nut with an exterior portion and a shaft portion that communicates along an axis of the drive shaft of a marine engine against the propeller assembly, the shaft portion having elastomeric materials to interface with the propeller assembly and at least one channel which together absorb vibration, heat and sound from the propeller assembly.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: March 1, 2022
    Inventor: Robert S Patterson
  • Ceramic matrix composite vane with added platform
    Patent number: 11261747
    Abstract: A turbine vane assembly adapted for use in a gas turbine engine includes an aerofoil configured to interact with gases flowing through the gas turbine engine along a gas path, an outer platform that defines an outer boundary of a gas path, and an inner platform that defines an inner boundary of the gas path.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: March 1, 2022
    Inventors: Emma C. Steedman, Michael J. Whittle, Edward M. Jones, James C. Smith
  • Intermediate case supporting removable panels fitted with retaining elements
    Patent number: 11261758
    Abstract: An intermediate turbojet case comprises a hub that supports removable panels and bleed lines, the hub comprising a flank provided with openings, each bleed line having an upstream end engaged in an opening in the flank and a downstream end terminated by a base plate through which it is fixed to an internal face of a removable panel by way of screws, each removable panel having a front edge at which it is fixed to an external lip of the hub by screws. At least one removable panel comprises a downstream edge supporting a retaining element close to the internal face to hold the base plate in contact with the internal face during a phase in which the removable panel is fixed to the hub by screwing, this phase preceding attachment of the base plate to the removable panel by screwing.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: March 1, 2022
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Frédéric Jacques Eugène Goupil, Rémi Abarrou, Azath Mohamed