Patents Assigned to Mitsubishi Heavy Industries, Ltd.
  • Publication number: 20220200279
    Abstract: One aspect of the present invention is a power generation amount prediction device comprising: a storage unit that stores a model configured using machine learning involving the use of explanatory variables including at least the weather prediction information of a mesh including a prediction point and a plurality of surrounding meshes, and an objective variable corresponding to the amount of power generated by natural energy; and a prediction unit that inputs, into the model, the weather prediction information of the prediction time of at least the mesh including the prediction point and the plurality of surrounding meshes, and finds a predicted value of the power generation amount at the prediction point as an output from the model.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 23, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Reiko Kawakami, Kazuyuki Wakasugi
  • Patent number: 11365649
    Abstract: An exhaust chamber is equipped with: a diffuser that forms a diffuser space; an exhaust casing that forms an exhaust space communicating with the diffuser space; and an auxiliary exhaust frame that forms an auxiliary exhaust space having an annular shape centered around an axis, on the inside of the diffuser in the radial direction. The auxiliary exhaust frame has an opening that opens toward the outside in the radial direction from the interior of the auxiliary exhaust space, and that enables the exhaust space and the auxiliary exhaust space to communicate with each other.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: June 21, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoshihiro Kuwamura, Hideaki Sugishita, Kazuyuki Matsumoto, Toyoharu Nishikawa, Shigeo Ookura
  • Patent number: 11364974
    Abstract: A hydrofoil craft includes a hull including a bottom that spreads from a bow to a stern; and a hydrofoil mechanism provided on the bow side of the hull. The hull further includes an accommodating recess formed therein, and the accommodating recess is recessed toward the stern side between the bow and the bottom to accommodate the hydrofoil mechanism. A retreat surface is formed between the bottom and a recess main surface facing the bow side in the accommodating recess, and the retreat surface extends toward the stern side in a downward direction and is connected to the bottom.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: June 21, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Katsuhiko Shoda, Masaya Kubota, Takashi Okafuji, Masashi Sasaki
  • Patent number: 11366089
    Abstract: An analysis condition adjusting device of a fuel analyzer includes a first NOx computing unit for calculating a reference NOx estimation value using a previously obtained first industrial analysis value of a fuel sample, a second NOx computing unit for calculating a plurality of varied NOx estimation value by varying a value of each of components of the first industrial analysis value, a NOx error computing unit for computing an error as a NOx error between the reference NOx estimation value and each of the varied NOx estimation values, an analysis error tolerance range setting unit for setting an analysis error tolerance range of each of the components based on a value variation amount of each of the components, the value variation amount being defined such that the NOx error is within a tolerance range, and an analysis condition adjusting unit for adjusting an analysis condition of a fuel analyzer.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: June 21, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Ryohei Ohashi, Toshihiko Setoguchi, Junji Imada, Atsushi Tanaka, Keigo Matsumoto
  • Patent number: 11364989
    Abstract: A wing used for an aircraft includes a configuration member formed of a composite material. The configuration member is divided into a plurality of regions along a surface thereof. The plurality of regions include a first region formed of the composite material of a high strength type, and a second region formed of the composite material of a high elasticity type having higher rigidity than the high strength type. The first region includes any region closest to a wing end side out of the plurality of regions, and the second region includes a region closest to the wing end side and a trailing edge side out of the plurality of regions.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: June 21, 2022
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Takayuki Nomura, Satoshi Kodama, Takaaki Yumitori, Kiyoka Takagi, Tooru Shitani, Toshio Abe
  • Patent number: 11365646
    Abstract: In a rotary machine and a seal member, a casing, a rotor, a stator blade, a rotor blade, and a seal device disposed between the casing and a tip portion of the rotor blade are provided, in which a blade attachment groove is provided in the inner peripheral portion of the casing, and a caulking groove is provided adjacent to the blade attachment groove, in which a base end portion of the stator blade is mounted in the blade attachment groove and a caulking member is locked to the caulking groove and a blade root portion of the stator blade, so that the stator blade is fixed to the inner peripheral portion of the casing, and in which a seal ring as a seal device is mounted in the inner peripheral portion of the casing, and the seal ring covers at least a part of the caulking groove.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: June 21, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasuhiko Ueta, Hisataka Fukushima, Kentaro Tanaka
  • Patent number: 11366080
    Abstract: An eddy current flaw detection probe includes first coils, second coils, and a switching circuit configured to cause the first or the second coils in each unit U, the unit U being composed of adjacent four coils, to serve as excitation coils that generate eddy currents in an inspection target and cause the other coils in the unit U to serve as detection coils that detect a change in the eddy currents. The first coils each have one end thereof connected to a first common wiring, and the second coils each have one end thereof connected to a second common wiring. The switching circuit includes a first switching circuit connected to the other ends of the first coils and the second coils arranged in a first row, and a second switching circuit connected to the other ends of the first coils and the second coils arranged in a second row.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: June 21, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kentaro Jinno, Masaaki Kurokawa
  • Publication number: 20220184715
    Abstract: There are provided a tool and an auxiliary tool that can perform drilling and countersinking at a time to improve working efficiency while securing not only machining accuracy of the drilling but also machining accuracy of the countersinking, by using a tool including drills usable for both of the drilling and the countersinking. A tool including drills usable for drilling and countersinking, includes: a head configured to guide the drills and to hold a workpiece; a linear motion mechanism configured to relatively move the head relative to the drills with a predetermined stroke along with progress of machining by the drills; and a stopper configured to regulate displacement of the head guiding the drills in the machining by abutting on a reception portion at a terminal end of the stroke.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 16, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hirokazu Sakamoto, Takuya Miwa
  • Patent number: 11359911
    Abstract: An abrasion inspection apparatus includes: a first imaging unit that is installed on a side of a track, a vehicle traveling along the track, a guide wheel being installed on a side of the vehicle, the first imaging unit imaging an inside of the track via a telecentric lens; a second imaging unit that is installed in a vehicle traveling direction with respect to the first imaging unit on the side of the track and images the inside of the track via a telecentric lens; an image acquisition unit that acquires an image which is an image of a boundary of the guide wheel captured by the first imaging unit and is an image of a boundary on a first direction side in the vehicle traveling direction and an image which is an image of the boundary of the guide wheel captured by the second imaging unit at the same time as the capturing of the image by the first imaging unit and is an image of a boundary on an opposite side to the first direction side; and a guide wheel detection unit that detects an abrasion situation of th
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: June 14, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Katsuaki Morita, Masahiro Yamada, Kazuki Ozaki, Hiroyuki Kono
  • Patent number: 11359552
    Abstract: A control device is a control device for a gas turbine including a plurality of combustors and is configured to select combustors to ignite in accordance with a target load on the basis of a predictor which defines a relationship between a load and the number and arrangement of combustors to ignite and a combustion temperature.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: June 14, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Keita Yunoki, Kei Inoue, Takashi Hiyama, Eisaku Ito
  • Patent number: 11352908
    Abstract: A turbine stator blade (21) includes a pressure side (21P) extending in a radial direction intersecting a flowing direction of steam and facing upstream in the flowing direction. A slit (5) capturing droplets generated by liquefaction of the steam is formed on a downstream side of the pressure side (21P). A fine uneven region (6), which guides the droplets attached to the pressure side (21P) in the radial direction such that the droplets are moved toward the slit (5) and from upstream toward downstream, is formed in a further upstream position than the slit (5). The fine uneven region (6) has a flow resistance to the droplets gradually increasing from inward to outward in the radial direction.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: June 7, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shunsuke Mizumi, Chongfei Duan, Yasuhiro Sasao, Soichiro Tabata
  • Publication number: 20220170476
    Abstract: A cylindrical gap is formed between a production pipe and a pump stator, the pump stator has a tubular pump casing that surrounds a plurality of pump bodies, the pump casing is provided with a penetrating portion that penetrates the pump casing in a radial direction and communicates with the gap, and the penetrating portion is formed in a portion of the pump casing that faces a pump body, which is located in an intermediate stage of the plurality of pump bodies, in the radial direction.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 2, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kimihiko Mitsuda, Shuhei Sasaki
  • Patent number: 11346556
    Abstract: A combustor includes a fuel supply unit defining on a radially inner side of an axis an inner peripheral side space into which inert gas is introduced and which is configured to supply the inert gas to a combustion cylinder, and defining on a radially outer side an outer peripheral side space into which the inert gas is introduced and which is configured to supply the inert gas to the combustion cylinder; an inner peripheral side oxygen supply unit that is configured to supply oxygen to the inner peripheral side space; an outer peripheral side oxygen supply unit that is configured to supply oxygen to the outer peripheral side space; and an adjustment unit that is configured to adjust the relative amounts of the oxygen supplied by the inner peripheral side oxygen supply unit and the oxygen supplied by the outer peripheral side oxygen supply unit.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 31, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mitsuhiro Nakao, Satoshi Takiguchi
  • Patent number: 11344952
    Abstract: A three-dimensional additive manufacturing device is configured to emit a beam to a powder bed formed by laying a powder on a base plate to harden the powder bed selectively. A sensor is configured to detect the shape or the temperature of a surface of the powder bed or a modeling surface. A defect in laying of the powder or a defect in emission of the beam is corrected based on the detection result, before completion of forming of the next layer.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: May 31, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Ryuichi Narita, Toshiya Watanabe, Akio Kondou, Hidetaka Haraguchi, Shuji Tanigawa, Masashi Kitamura
  • Publication number: 20220162949
    Abstract: Water droplets that are moved on blade surfaces of a rotor blade are effectively guided toward the blade trailing edge while influence on the strength of the rotor blade is suppressed. A steam turbine rotor blade having a tie-boss for joining to adjacent blades at an intermediate position in the blade length direction is provided. The steam turbine rotor blade includes an airfoil part in which a blade surface is partly hollow as viewed in a section obtained by cutting by an orthogonal plane to a rotation center line of a turbine and a recessed blade surface that is this hollow partial blade surface passes through the blade root side of the tie-boss at least in a region on the pressure side and extends in a strip shape in the blade chord length direction.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasuhiro Sasao, Soichiro Tabata, Ryo Takata, Takeshi Kudo
  • Publication number: 20220166045
    Abstract: The present invention addresses the problem of providing a redox flow battery that can be used more efficiently and for an extended period of time. This redox flow battery includes a cell in which two chambers are separated by a membrane, a cathode disposed in one chamber of the cell, an anode disposed in the other chamber of the cell, a cathode recirculating means for recirculating a cathode liquid to said one chamber of the cell and an anode recirculating means for recirculating an anode liquid to the other chamber of the cell, wherein the cathode liquid includes a cathode active material, a first mediator, and a second mediator of which an electric potential that generates a reaction is in contact at least with the first mediator.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 26, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshiyasu Kiyabu, Yoshinori Noguchi, Ikumi Watanabe, Koichiro Hirayama
  • Publication number: 20220162947
    Abstract: The turbine efficiency is improved by allowing water droplets being moved on a rotor blade surface to be released from the blade surface, while suppressing an influence on the aerodynamic performance of the rotor blade. Provided is a steam turbine rotor blade having, at an intermediate position in a blade length direction thereof, a tie boss for connection to an adjacent blade, wherein the steam turbine rotor blade includes a leading edge side protrusion that is extending in an embankment shape in a blade chord length direction at an intermediate position in the blade length direction, a start end and a terminal end of the leading edge side protrusion are located on a suction side surface and a pressure side surface, respectively, and the leading edge side protrusion continues from the start end to the terminal end via a blade leading edge and arrangement thereof in the blade length direction overlaps with the tie boss as viewed from the upstream side.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasuhiro Sasao, Soichiro Tabata, Ryo Takata, Chongfei Duan
  • Patent number: 11338529
    Abstract: A repair patch includes a composite material to repair a a repair target of a composite material. The repair patch includes bonding surfaces which face a bonded surface of a counterbored hole formed in the part to be repaired, and are bonded to the counterbored hole; and an opposite surface opposite to the bonding surfaces in a thickness direction. The opposite surface has a curved plane with a first surface side curvature radius protruding toward the opposite surface in a cross section cut along a plane intersecting an axial direction in the opposite surface. The bonded surface has a curved plane with a second surface side curvature radius protruding toward the bonding surfaces facing the bonded surface in a cross section cut along a plane intersecting an axial direction in the bonded surface. The first surface side curvature radius is smaller than the second surface side curvature radius.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: May 24, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kodai Shimono, Koichi Hasegawa, Takuma Hirai, Shunsuke Yoshino, Jo Nishimuro
  • Patent number: 11339969
    Abstract: Adhesion of particulate matters to the burner accompanying combustion in a lean-combustion gas turbine combustor is suppressed, and the structural reliability is improved. In a gas turbine combustor including: a tubular liner that forms a combustion chamber; and a burner including an air hole plate that is arranged at an inlet of the liner and includes a plurality of air holes for guiding compressed air to the combustion chamber, and a plurality of fuel nozzles that are arranged on a side opposite to the combustion chamber with the air hole plate being sandwiched therebetween, the plurality of fuel nozzles each injecting a fuel toward a corresponding air hole, the air holes and the fuel nozzles forming a plurality of concentric annular lines, a plurality of small holes having opening diameters smaller than those of the air holes are provided through the air hole plate such that the plurality of small holes are positioned in an inner area of an innermost annular line of the air holes.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 24, 2022
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Tomohiro Asai, Shohei Yoshida, Yoshitaka Hirata, Akinori Hayashi, Yasuhiro Akiyama
  • Patent number: 11340042
    Abstract: A command control system includes an interception predicting section and an assigning section. The interception predicting section calculates a predicted intercept point of a target to be shot down and a guided missile to shoot down the target. The assigning section acquires first weather data of the predicted intercept point, and generates a launching instruction based on the first weather data so as to launch one of a first guided missile and a second guided missile as the guided missile. A method by which the first guided missile detects the target and a method by which the second guided missile detects the target are different.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: May 24, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Keisuke Ando