Patents Assigned to Mitsubishi Heavy Industries, Ltd.
  • Patent number: 11063403
    Abstract: A solid-state laser device includes an inner container, an outer container, a cooling medium supply unit, and a cover section. The inner container in which a laser medium is accommodated includes an inner light-transmitting unit. An outer light-transmitting unit of the outer container is provided at a part that faces the inner light-transmitting unit and is vacuum-insulated from the inner light-transmitting unit. The cooling medium supply unit supplies a cooling medium so that the cooling medium comes in contact with a surface other than a light input and output surface in the laser medium. The cover section partitions a light-passing area from a cooling medium supply area to which the cooling medium is supplied.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Koichi Hamamoto, Ryuichi Matsuda
  • Patent number: 11059605
    Abstract: A component manufacturing method includes a step of calculating, for a plurality of keyholes formed on a skin and disposed in a row along a first axial direction on the skin, a first imaginary line that passes an average position in a second axial direction perpendicular to the first axial direction and is parallel to the first axial direction, a step of calculating, for a plurality of keyholes formed on a frame and disposed in a row along a third axial direction on the frame, a second imaginary line that passes an average position in a fourth axial direction perpendicular to the third axial direction and is parallel to the third axial direction, and a step of superimposing the skin and the frame such that the first imaginary line and the second imaginary line coincide.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Makoto Ishida, Yuji Ito, Kanau Yamauchi
  • Patent number: 11060726
    Abstract: A compressor diffuser is disposed between cylindrical combustion chambers that are disposed around a rotational shaft to supply combustion gas to a turbine and a compressor that is rotatable about the rotational shaft to generate compressed air. The compressor diffuser includes one end connected to an outlet of the compressor; and another end connected to an air inlet of one of the combustion chambers. The one end defines an opening and has double arc portions curving about the rotational shaft, and the other end defines an opening shaped in conformance with the cylindrical shape of the one of the combustion chambers. The compressor diffuser is disposed continuously along an extending direction of the rotational shaft from the one end to the other end.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kuniaki Aoyama, Hiroyuki Yamamoto
  • Patent number: 11059011
    Abstract: A reforming device 1 for producing a reformed gas from a methane-containing gas containing methane and carbon dioxide includes a reforming reaction tube 10 containing a catalyst layer 12 filled with a reforming catalyst 12a for reforming the methane-containing gas, and a multilayer pipe 103 for spraying a cooling fluid to an outer peripheral surface of the reforming reaction tube 10 at a position corresponding to a gas inlet of the catalyst layer 12 in a length direction of the catalyst layer 12.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Atsuhiro Yukumoto, Shinya Tachibana
  • Patent number: 11060414
    Abstract: A steam turbine includes an inner casing which has an inner casing body in which a first main flow path to which steam is to be supplied from an inner introduction port is defined, an outer casing which has an outer casing body which defines a second main flow path between the inner casing body and the outer casing body and an upper discharge port and a lower discharge port which are in the outer casing body and through which exhaust steam is to be discharged, an upper valve and a lower valve configured to adjust a flow rate of the exhaust steam which has been discharged, and a control unit which can independently control the upper valve and the lower valve.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hideyuki Uechi, Hideaki Sugishita, Takumi Matsumura, Ryo Egami
  • Patent number: 11060561
    Abstract: An oil bath type bearing device which supports a rotating shaft rotating around an axis the bearing device is provided. The oil bath type bearing device includes a plurality of bearing pads which are arranged at intervals in a circumferential direction along an outer peripheral surface of the rotating shaft, an annular carrier ring which supports the plurality of bearing pads from an outer peripheral side and in which an oil supply hole through which a lubricant is supplied is formed, and a casing which covers the carrier ring from the outer peripheral side and holds the lubricant between the rotating shaft and the casing. The oil supply hole penetrate the carrier ring from the outer peripheral side to an inner peripheral side and extends toward a rear side in a rotational direction of the rotating shaft as the oil supply hole goes radially inward with respect to the axis.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shimpei Yokoyama, Chihiro Yoshimine, Takuzo Shigihara
  • Patent number: 11062273
    Abstract: A plant maintenance assisting system is provided with: an abnormality indication monitoring system; an abnormality diagnosis system; a maintenance plan creation system; a risk evaluation system; and a component management system. On the basis of risk information and abnormality diagnosis information that is a result of diagnosis by the abnormality diagnosis system, the risk evaluation system determines the need for maintenance work with respect to an abnormality indicating facility. In a case where it is determined that maintenance work with respect to the abnormality indicating facility is necessary, the maintenance plan creation system sets, in a maintenance plan, maintenance implementation timing of maintenance work with respect to a facility including the abnormality indicating facility. On the basis of component management information, the component management system determines whether a component can be procured at the maintenance implementation timing set by the maintenance plan creation system.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takashi Azuma, Kenji Mashio, Takae Yamashita, Susumu Shiizuka, Junichi Nishitani, Masafumi Utsumi, Jun Shibuya
  • Patent number: 11059243
    Abstract: This device for producing a pultrusion molded article is provided with: a mold member that heats and cures an intermediate molded article as a result of the mold member contacting an intermediate molded article in which reinforcing fibers are impregnated with a thermosetting resin; a pultrusion device for extracting, in the pultruding direction, the pultrusion molded article formed by heating and curing the intermediate molded article; and a moving device for moving the mold member in the pultruding direction in synchronization with the pultrusion device.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: July 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shunichi Morishima, Toshio Kozasa, Masatake Hatano, Kazuaki Kishimoto, Yukio Takeuchi, Masayuki Yamashita, Hitoshi Ojika
  • Patent number: 11054398
    Abstract: An ultrasonic inspection method of scanning and inspecting an inspection object with ultrasonic waves includes collecting data obtained by scanning the inspection object with ultrasonic signals by using probes configured to transmit and receive the ultrasonic signals to and from the inspection object via a medium that propagates the ultrasonic signals; and processing and synthesizing the collected data. Synthesizing the data includes depicting an image including a surface of the inspection object in a region including pixels partitioned in a grid-like fashion based on the collected data of the ultrasonic signals, and extracting a pixel having maximum pixel intensity from the pixels arranged along a direction perpendicular to an extending direction of the surface of the inspection object in the depicted image to identify a position of the extracted pixel as a surface shape of the inspection object.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: July 6, 2021
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION EHIME UNIVERSITY
    Inventors: Kyohei Hayashi, Kazuyuki Nakahata, Masakazu Kamibayashi
  • Patent number: 11052674
    Abstract: To reduce an influence of a flow of ambient atmosphere and the like on flying of a droplet ejected from a nozzle of an inkjet head. To exhaust vapor of a solvent contained in a coated film while reducing an influence on flying of the droplet. An exhaust device for inkjet coating includes: a cover that covers at least a target range on an object to be coated, the target range being a range in which a droplet lands that is ejected from an ejection nozzle of an inkjet head to a surface of the object to be coated; a closing member that closes a gap between the cover and the object to be coated around the target range; an external communication portion through which a compartment surrounded by the cover, the object to be coated, and the closing member communicates with an outside; and an exhaust mechanism configured to exhaust air from the compartment.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: July 6, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshikatsu Nohara, Masaki Kimura, Kosuke Ikeda, Yoshinao Komatsu
  • Patent number: 11054253
    Abstract: A gap measurement device for measuring a gap between an upper plate and a lower plate in a material formed of the upper plate and the lower plate that overlap with each other in the Z-axis direction, which is the thickness direction. The gap measurement device has an ultrasonic sensor that functions as a plate thickness measurement sensor for measuring a plate thickness that is the thickness of the upper plate, a laser sensor that functions as a step measurement sensor for measuring a step that is the distance between the upper surface of the upper plate and the upper surface of the lower plate, and a calculation unit for calculating the gap between the upper plate and lower plate by subtracting the plate thickness from the step.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: July 6, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yuichi Sasano, Kei Yoshitomi, Takuya Goto, Takahiro Kubota
  • Patent number: 11053977
    Abstract: A squeeze film damper includes an inner member configured to support a bearing unit, an outer member provided circumferentially outward from the inner member to face the inner member with a gap extending in an circumferential direction interposed therebetween, a holed member provided in the gap and having a plurality of communication holes configured to allow a first region of the gap on an inward side in a radial direction and a second region of the gap on an outward side in the radial direction to communicate with each other, and an oil supply path configured to supply oil to the first region.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: July 6, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Teruaki Yamawaki, Yasunori Tokimasa
  • Publication number: 20210199021
    Abstract: A turbocharger (1A) includes a rotary shaft (2), a journal hearing (5A), and a bearing housing (10). The journal hearing (5A) includes load support surfaces (14 and 15), a first gap forming portion (F1), and a second gap forming portion (F2). The first gap forming portion (F1) firms a first gap (101) in a radial direction between the load support surfaces (14 and 15) adjacent to each other in a direction of a central axis (O). The second gap forming portion (F2) forms a second gap (102) smaller than the first gap in the radial direction between the load support surfaces (14 and 15) adjacent to each other in the direction of the central axis (O).
    Type: Application
    Filed: July 23, 2018
    Publication date: July 1, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takaya Futae, Tatsuya Ishizaki, Hiromichi Oba, Taiyo Shirakawa
  • Patent number: 11048245
    Abstract: An indicator detection system includes: a data acquiring unit configured to acquire operation data of a machine and operation history data indicating an operation history of the machine; an estimation unit configured to calculate a first estimated value of a parameter of the machine which is to be monitored on the basis of the operation data, the operation history data and an estimation model for estimating a value of the parameter at a time point corresponding to the operation history data for the parameter; and a state evaluating unit configured to evaluate a state of the machine on the basis of a difference between the first estimated value of the parameter from the estimation unit and a measured value or a second estimated value of the parameter included in the operation data acquired by the data acquiring unit.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: June 29, 2021
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., MITSUBISHI POWER, LTD.
    Inventors: Makoto Kishi, Shintaro Kumano, Katsuhiko Abe, Keisuke Yamamoto, Yukihiko Inoue, Shun Niizuma
  • Patent number: 11046456
    Abstract: A takeoff and landing assist apparatus for a flight vehicle with rotor blades causes the flight vehicle to take off from or be landed on a target point. The takeoff and landing assist apparatus includes a plurality of guide rods in parallel to each other, the plurality of guide rods being provided to one of the flight vehicle and the target point; and a plurality of guide rings into which the plurality of guide rods are insertable, the plurality of guide rings being provided to the other of the flight vehicle and the target point. A center-to-center distance between the plurality of guide rods and a center-to-center distance between the plurality of guide rings are set to be same.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: June 29, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Jun Fujita
  • Patent number: 11041494
    Abstract: A pin-ring mechanism that transmits driving force to cause a driving-side scroll member and a driven-side scroll member to perform rotational movement in a same direction at a same angular velocity is provided. A driving-side end plate includes a ring member installation hole into which a ring member is inserted and installed. The ring member installation hole includes a non-wall-side hole part and a wall-side hole part. The non-wall-side hole part is formed from a non-wall-side surface and has a diameter corresponding to an outer diameter of the ring member. The wall-side hole part is formed from a wall-side surface and has a diameter smaller than the outer diameter of the ring member.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: June 22, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hirofumi Hirata, Takahide Ito
  • Patent number: 11040783
    Abstract: A component manufacturing method includes a step in which a robot for attachment gripping a long frame presses the frame against a tabular skin and a step in which, in a state in which the frame is pressed against the skin, a robot for riveting gripping a first rivet inserts the first rivet into a first through-hole formed in the skin and a second through-hole formed in the frame. In the step, the robot for riveting changes a position in the gripped first rivet in a direction perpendicular to an axial direction of the first rivet according to a force received by the first rivet from the skin or the frame.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: June 22, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Makoto Ishida, Yuji Ito, Kanau Yamauchi
  • Patent number: 11040502
    Abstract: A method for producing a fiber-reinforced resin molded article includes disposing a suction medium, a resin barrier aeration medium and a fiber base material in a cavity such that the suction medium is disposed between an end part of the fiber base material and a mold, and the resin barrier aeration medium is disposed between the suction medium and the end part of the fiber base material. The method further includes: impregnating the fiber base material with a resin by injecting the resin from an injection part, while reducing a pressure in the cavity by suction from a suction part; curing the resin with which the fiber base material is impregnated; and releasing a fiber-reinforced resin in which the fiber base material and the resin are integrated.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: June 22, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mitsutoshi Maeda, Kazuma Takeno, Hiroshi Tokutomi, Tetsuya Sato, Kazunori Kuga
  • Patent number: 11034464
    Abstract: An object is to provide a holding fixture fixing apparatus which can ensure positioning accuracy and shape accuracy of a moving holding fixture, thus allowing an aircraft panel to be assembled with high accuracy. A holding fixture fixing apparatus includes a plurality of fixing units configured to support and fix a holding fixture, which holds a fuselage panel having a curved shape in cross section, from a lower surface of the holding fixture, the fixing units being provided on an installation surface, wherein the plurality of fixing units are provided corresponding to at least four corners of the lower surface of the holding fixture.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: June 15, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Makoto Hirai, Hiroki Azuma, Michinobu Takahagi
  • Patent number: 11034106
    Abstract: A method for repairing a target member including a ceramic matrix composite reinforced by ceramic fiber includes: a removal step of removing at least a part of a surface of the target member; an arrangement step of arranging a green body for repair which includes the ceramic fiber on a portion where the surface is removed in the removal step; an impregnation step of impregnating at least the portion of the target member where the green body for repair is disposed with slurry; and a sintering step of sintering the target member on which the green body for repair is disposed, after the impregnation step.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: June 15, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masahiko Mega, Takayuki Kurimura, Taiji Torigoe, Mineaki Matsumoto