Patents Examined by Maxime M Adjagbe
  • Turbine shroud assembly with ceramic matrix composite blade track segments and full hoop carrier
    Patent number: 11053817
    Abstract: A turbine shroud adapted for use in a gas turbine engine includes a blade track segment and a carrier. The blade track segment includes an arcuate shroud wall that extends circumferentially partway around an axis and a mount post that extends radially outward away from the shroud wall. The carrier is coupled with the mount post of the blade track segment to support the blade track segment.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: July 6, 2021
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Ted J. Freeman, Aaron D. Sippel, Paulo Bazan
  • Wind turbine for facilitating laminar flow
    Patent number: 11053912
    Abstract: Vertical axis wind turbines are provided having foil design and geometry that facilitates lift, torque and laminar flow along a 360 degree radial. Contemplated foils are non-planar, and have a chord length that is at least three times greater than a distance between a trailing end of a leading foil, and a leading end of a trailing foil. Additionally or alternatively, the foils are located away from a turbine axis at a distance that is about 2.9-3.5 times greater than a chord length of the foils. In some embodiments, the foils are circumferentially distributed via one or more laminar stall vanes.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: July 6, 2021
    Inventor: Rudolph Oelofse
  • Structural guide vane
    Patent number: 11053953
    Abstract: A structural guide vane including a vane body contact surface and a vane edge, wherein at least one of the vane body contact surface or the vane edge comprises a fiber metal laminate.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: July 6, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventor: Andrew Pope
  • High stiffness turbomachine impeller, turbomachine including said impeller and method of manufacturing
    Patent number: 11041503
    Abstract: A turbomachine impeller is disclosed, which includes: a hub having a rotation axis; a shroud; a plurality of blades between the hub and the shroud; and a plurality of flow vanes, each flow vane being defined between the hub, the shroud and neighboring blades, each flow vane having a flow vane inlet and a flow vane outlet. Each flow vane extends radially inwardly from the flow vane inlet towards a radially innermost flow vane section, and from the radially innermost flow vane section to a flow vane outlet.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: June 22, 2021
    Assignee: NUOVO PIGNONE SRL
    Inventors: Giuseppe Iurisci, Simone Corbo
  • Blade equipped with a cooling system, associated guide vanes assembly and associated turbomachine
    Patent number: 11035255
    Abstract: The present disclosure relates to a blade of a guide vane assembly of a turbomachine fitted with a cooling system, generally including an insert arranged inside an internal cavity of said blade, connected to a cooling air inlet of the blade and designed to cool the surface of the internal cavity of the blade, and a bleed device configured to bleed some of the cooling air inside the insert and designed to send this bled cooling air to a central hub of the turbomachine. The bleed device of the blade may further include a bleed head arranged in the internal cavity of the blade and passing through an opening of the insert, and configured to bleed some of the cooling air inside the insert.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: June 15, 2021
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Baptiste Hallouin, Jean-Luc Breining, Damien Laberny
  • Shaft seal including an upstream non-contact part
    Patent number: 11035374
    Abstract: A rotary machine includes a stationary housing, a rotor, a shaft, a bearing unit, and a sealing arrangement to seal the bearing unit with respect to the rotor. The sealing arrangement includes a stationary sealing element surrounding the shaft. The sealing arrangement includes a rotor ring to prevent an axial flow along the shaft to the rotor and a cover plate, the rotor ring rotationally fixedly connected to the rotor and arranged axially adjacent to the sealing element, the rotor ring including a radially outer edge extending in the axial direction and surrounding the sealing element. The cover plate is fixed with respect to the housing and surrounding the rotor ring, and has an outer rim, a drain chamber formed between the outer edge of the rotor ring and the outer rim of the cover plate, and a discharge passage to discharge the drain chamber.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: June 15, 2021
    Assignee: SULZER MANAGEMENT AG
    Inventor: Alan Swaby
  • Method to pilot using flexible profile
    Patent number: 11035241
    Abstract: A fan assembly for use in a gas turbine engine of an aircraft includes a fan disk having a number of fan blades and a windage shield coupled to the fan disk to move therewith. The fan assembly supplies air for use in the engine. The windage shield rotates with the fan disk during operation of the gas turbine engine and directs air supplied by the fan blade.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: June 15, 2021
    Assignee: Rolls-Royce North American Technologies Inc.
    Inventors: Samuel J. Lacombe, Patrick E. Bailey
  • Fluidic turbine structure
    Patent number: 11035340
    Abstract: A fluidic structure configured to be mounted onto the hub of a fluidic turbine comprising a hub that rotates about a center axis, aligned to a main shaft that contributes torque to the main shaft of the turbine via the principle of lift and/or drag. The fluidic structure can be rigid or have some flexibility. The structure has two or more curved fluidic elements that extend from an upstream tip that aligns to the center axis of rotation, to a downstream end at some further radial position away from the center axis, and rotates about the center axis, wherein the two or more curved fluidic elements contain chord sections that are generally more wide at the upstream position and general more narrow at the downstream position.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: June 15, 2021
    Assignee: BIOMERENEWABLES INC.
    Inventor: Ryan Church
  • Rotor lock system for a wind turbine
    Patent number: 11028833
    Abstract: A rotor lock system (20) for securing a main shaft assembly of a wind turbine (2) in a substantially stationary position, the main shaft assembly comprising a main rotor shaft (16) supported by a base frame (14), and the rotor lock system comprising: a locking disk (22), associated with the main rotor shaft (16), and provided with a plurality of locking apertures (26); and a locking unit (24) comprising a first end (28) arranged to engage with the locking disk (22), and a second end supported by a mounting feature (38) associated with the base frame (14), wherein the locking unit (24) is configured to be adjustable relative to the mounting feature (38) so that the first end (28) moves linearly with respect to the mounting feature.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: June 8, 2021
    Assignee: Vestas Wind Systems A/S
    Inventor: Erik Markussen
  • Steam turbine blade and steam turbine
    Patent number: 11015449
    Abstract: The present invention provides a steam turbine blade and a steam turbine capable of further improving efficiency. A steam turbine blade includes a proximal end portion T11 which is formed in a blade shape having an intermediate reaction degree, an intermediate portion T12 which is formed in a blade shape having a low reaction degree; and a distal end portion T13 which is formed in a blade shape having a high reaction degree.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 25, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Takuro Koda, Yuichi Sasaki
  • Shaft for a wind turbine
    Patent number: 11009009
    Abstract: A wind turbine includes a main shaft rotatable around a rotation axis. The main shaft includes a first piece axially extending along the rotation axis, at least a second piece axially extending along the rotation axis, the second piece being axially adjacent to the first piece, a plurality of connections for fixing the second piece to the first piece.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: May 18, 2021
    Inventors: Edom Lemma, Claus Michaelsen
  • Mastless wind turbine for power generation
    Patent number: 11009004
    Abstract: A mastless vertical axis wind turbine that comprises a plurality of sails that rotate about a vertical axis under the influence of wind. A platform is connected to and in tension with the plurality of sails at one or more points about the bottom of the plurality of the sails. Also, an external frame is connected to and in tension with the plurality of sails at one or more points about the top of the plurality of the sails. The external frame itself comprises a plurality of legs that converge above the plurality of sails at a central point about the vertical axis of rotation and extend beyond the path swept by the plurality of sails. A coupling mechanism connects one or more of the plurality of legs to the plurality of sails and allows the sails to rotate about the vertical axis of rotation while the legs remain stationary.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: May 18, 2021
    Inventor: Steven C. Hench
  • Turbocharger for an internal combustion engine, and turbine housing
    Patent number: 11002154
    Abstract: Example embodiments relate to a turbocharger for a combustion machine, having a bearing housing, in which a rotor shaft is mounted so as to be rotatable about a rotor axis of rotation. An exhaust-gas turbine with a turbine wheel is arranged rotationally conjointly on the rotor shaft and which has an impeller blade arrangement with multiple turbine blades, and with a turbine housing is mechanically fixed to the bearing housing and which surrounds the turbine wheel With respect to a meridional view of the exhaust-gas turbine, the turbine housing and the turbine wheel are designed and adapted to one another such that the following condition is satisfied: L cover L axTip > 1 - Tip clr R in × 3 ? ? 4 × 1 ( 1 - R out R in ) .
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: May 11, 2021
    Assignee: Vitesco Technologies GMBH
    Inventors: Ivo Sandor, Sebastian Wittwer, Michael Klaus, Ralf Böning
  • Turbine shroud with forward case and full hoop blade track
    Patent number: 10995627
    Abstract: A gas turbine engine includes a turbine shroud assembly arranged around a turbine wheel assembly. The turbine shroud assembly includes an annular turbine case, a blade track, and a forward case. The turbine case is arranged around a central axis of the turbine assembly. The blade track is located radially between the turbine case and the central axis. The forward case is coupled to the turbine case and is arranged to block axial movement of the blade track relative to the turbine case.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 4, 2021
    Assignee: Rolls-Royce North American Technologies Inc.
    Inventors: Edward C Rice, Daniel K Vetters
  • Blade tip clearance assembly with geared cam
    Patent number: 10989062
    Abstract: An assembly is disclosed for adjusting the radial position of a blade track relative to a blade of a turbine stage in a gas turbine engine. The assembly comprises a static turbine casing, a blade track carrier, a blade track support assembly, an actuator, and a blade track. The blade track carrier comprises a pair of radially extending flanges each defining at least one bore in radial and axial alignment with each other forming a pair of bores. The blade track support assembly comprises a portion extending through each bore in a pair of bores, and one or more cam-shaped portions rotatable about an axis of rotation. The blade track has an arcuate flange and a support flange, the support flange being carried by the cam-shaped portion of the blade track support assembly such that rotation of the cam-shaped portion effects radial movement of the blade track.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: April 27, 2021
    Assignee: ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC.
    Inventor: Douglas David Dierksmeier
  • Fan blade structure and centrifugal fan
    Patent number: 10982681
    Abstract: The present invention relates to a fan blade structure and a centrifugal fan. The centrifugal fan comprises a fan case having a first inlet and an outlet and a fan blade structure received in the fan case. The fan blade structure comprises a hub and a plurality of blades disposed at the outer edge of the hub. Each of the blades has a first portion and a second portion. A virtual line extends vertically between the first portion and the second portion. The surface area of the first portion is larger than or smaller than that of the second portion. An outside space which is not vertical to a first inlet plane around the first inlet is formed between one side of the second portion of each of the blades and the inner side of the side wall of the fan case.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: April 20, 2021
    Assignee: Aia Vital Components (China) Co., Ltd.
    Inventor: Mei-Hua Yuan
  • Hub-less and nut-less turbine wheel and compressor wheel design for turbochargers
    Patent number: 10982677
    Abstract: A turbocharger for an internal combustion engine is provided, where the turbocharger includes a housing, a shaft, a turbine wheel, and a compressor wheel. The shaft is rotatable with respect to the housing and defines a centerline. The turbine wheel is mounted to the shaft and is disposed within the housing. The compressor wheel is threadably mounted to the shaft and is disposed within the housing. The turbine wheel and/or the compressor wheel has a plurality of blades with leading edges that converge at an apex. The apex is aligned with the centerline. A temporary fixation mechanism allows a technician to temporarily lock rotation of the compressor wheel relative to the housing to install or remove the compressor wheel from the shaft. A method of constructing a turbocharger is also provided.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: April 20, 2021
    Inventor: Ryan Harold Salenbien
  • Gas turbine engine airfoil with wishbone baffle cooling scheme
    Patent number: 10975705
    Abstract: A gas turbine engine component includes a structure including spaced apart first and second exterior walls that extend in a first direction to an endwall. The first and second exterior walls are joined at the endwall to provide a cooling cavity. A wishbone baffle is arranged in the cooling cavity and includes first and second interior walls respectively adjacent to the first and second exterior walls. The first and second interior walls extend in the first direction to and are joined by an apex to provide a first cavity. The wishbone baffle separates the first cavity from a second cavity provided between the apex and the endwall.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: April 13, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Brandon W. Spangler, Edwin Otero
  • Seal system for variable geometry gaps in aircraft systems
    Patent number: 10969015
    Abstract: An apparatus comprising a housing, seal, and energy storing device. The housing is coupled to a structure in an exhaust system of an aircraft. The structure is positioned relative to a surface within the exhaust system such that a gap is present between the surface and structure. The seal has an end positioned in contact with the surface to reduce a flow of exhaust through the gap and is coupled to the housing such that the seal extends within the housing. The energy storing device is coupled to the housing and engaged with the seal to allow the seal to translate in a first direction relative to the housing when the gap increases and in a second direction opposite the first direction relative to the housing when the gap decreases such that the seal continues to reduce the flow of exhaust through the gap as the gap changes in size.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: April 6, 2021
    Assignee: The Boeing Company
    Inventor: Nevin M. George
  • Methods and apparatus for servicing wind turbine components through a lower portion of a tower
    Patent number: 10968897
    Abstract: A wind turbine tower is supported on a transition piece that connects the tower to a foundation and that defines a space beneath the lower end of the tower. Electronic components positioned within a removable module in the lower portion of a wind turbine tower may be removed through a lower end of the tower for service or replacement.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: April 6, 2021
    Assignee: Vestas Wind Systems A/S
    Inventors: Victor Donescu, Jacob Karottki Falk Andersen, Erland Falk Hansen