Patents Assigned to Mitsubishi Heavy Industries, Ltd.
  • Patent number: 11891976
    Abstract: A wind turbine blade includes a base member formed of FRP and having a blade shape, an intermediate layer arranged on the base member and formed of metal, cermet, ceramic, or a mixture of at least one thereof and resin as a major constituent, and an erosion-resistant overcoat arranged on the intermediate layer and formed of a spray film having a porosity of 5% or lower.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naota Watanabe, Masaaki Shibata, Toshikazu Shigetomi, Hiroaki Takeuchi, Atsushi Yuge
  • Patent number: 11891920
    Abstract: A turbine stator vane includes: a vane body which includes: an airfoil portion which has a serpentine flow passage inside thereof, the serpentine flow passage including a plurality of cooling flow passages and a plurality of turn-back flow passages; a shroud disposed on at least one of a tip end side or a root end side, in the vane height direction, of the airfoil portion; and a lid portion fixed to the airfoil portion. The lid portion forming the turn-back flow passage and being provided as a separate member from the airfoil portion. The lid portion has an inner wall surface width formed to be greater than the flow-passage width of the cooling passage formed in the airfoil portion, and a minimum value of a thickness of the lid portion is smaller than a thickness of a part of the shroud to which the lid portion is mounted.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hidemichi Koyabu, Satoshi Hada
  • Patent number: 11891978
    Abstract: A wind turbine blade includes: a blade body; a down conductor extending along a longitudinal direction of the blade body; and at least a pair of magnetic field sensors disposed inside the blade body and at opposite positions across the down conductor, a pair of magnetic field sensors being configured to detect a local magnetic field at each of the positions. At least the pair of magnetic field sensors includes: a first sensor disposed on a first axis passing through an installation position of the down conductor in a cross section intersecting the longitudinal direction; and a second sensor disposed on a second axis passing through the installation position and being orthogonal to the first axis in the cross section.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tatsufumi Aoi, Syusaku Yamamoto, Naoto Murata, Yoichiro Tsumura
  • Patent number: 11890641
    Abstract: A masking member used to coat a pipe inner circumferential surface of a vent stringer, wherein the masking member comprises: a sponge for blocking a pipe internal space of the vent stringer, the sponge having an outer circumferential surface capable of contacting the pipe inner circumferential surface; and a support member for supporting the sponge.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Tetsuya Katayama
  • Patent number: 11891097
    Abstract: In the present invention, a resource management device receives transmission of a reservation request for a block section to be reserved from among a plurality of block sections included in a track traveled by a vehicle on the basis of track information which indicates the plurality of block sections and the connection relationships of the block sections. In a case where the block section to be reserved, as indicated by the reservation request, has not already been reserved by a vehicle other than the vehicle that transmitted the reservation request at the point in time when such reservation request was received, the following is recorded in a management table: that the block section to be reserved as indicated by the reservation request and a connection boundary between that block section and another block section are objects reserved for the vehicle that transmitted the reservation request.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kenji Takao, Noritaka Yanai
  • Patent number: 11886897
    Abstract: A personal digital assistant for supporting inspection of at least one device disposed in an inspection target area includes: an abnormality acquisition unit configured to acquire information about an abnormality in the at least one device; a guidance information storage unit configured to store guidance information which at least includes at least one response procedure for each abnormal event in the at least one device and information about response capability required to execute the at least one response procedure; and a display unit configured to refer to the guidance information stored in the guidance information storage unit, and display the guidance information for responding to an abnormal device which is the device where the abnormality is acquired by the abnormality acquisition unit.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: January 30, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masaki Honda, Gen Sakashita, Tomohiro Higuchi
  • Patent number: 11886831
    Abstract: The present invention provides a data sorting device and method and a monitoring and diagnosis device, which are able to create a model conveniently. A data sorting device and a monitoring and diagnosis device of the present invention include an operating data database which stores operating data of the plant equipment in a time-series manner. The devices input the operating data that are highly associated physically and engineeringly among the operating data stored in the operating data database, inputting processing attributes relevant to the operating data that are highly associated physically and engineeringly, creating a model simulating characteristics of the plant equipment, and performing data sorting, monitoring, and diagnosis through use of the model.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 30, 2024
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Tamami Kurihara, Kengo Iwashige, Tetsuji Morita, Shigeki Tounosu, Tadaaki Kakimoto
  • Patent number: 11885226
    Abstract: This steam valve includes a valve casing, a valve body, a valve stem, an actuator, a heat buffer member, a link mechanism, and a link base. The heat buffer member includes: a heat buffer plate separated toward a leading end side from the valve casing in an axial direction in which the valve stem extends; and a support column that fixes the heat buffer plate to the valve casing so as to be incapable of relative movement. The actuator includes: an actuator casing; and an actuator rod that extends in the axial direction from in the actuator casing and that moves in the axial direction with respect to the actuator casing. The link base is fixed to the heat buffer member and extends from the heat buffer member in an axial perpendicular direction that is perpendicular to the axial direction. The actuator casing is fixed to the link base.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: January 30, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Fumiyuki Suzuki, Masaki Hata, Megumu Tsuruta
  • Patent number: 11885232
    Abstract: A gas turbine system includes: a compressor configured to compress external air to generate compressed air; a combustor configured to burn the compressed air together with fuel to generate a combustion gas; a turbine configured to be driven by the combustion gas; an exhaust unit configured to guide the combustion gas, which has passed through the turbine, to outside; a shell having a cylindrical shape and extending along an axis line about which the turbine is configured to rotate and being arranged so as to cover the compressor, the combustor, the turbine, and the exhaust unit; and an exit unit configured to guide the combustion gas, which has passed through the turbine, to a discharge port in the surface of the shell.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: January 30, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yuichi Nakatani, Yuki Morisaki, Yasuhiro Saiki
  • Patent number: 11884995
    Abstract: There is provided a Co-based alloy material, having a chemical composition including: Al of 0.1 to 10 mass %; W of 3 to 45 mass %, the total content of Al and W being 50 mass % or less; O of 0.007 to 0.05 mass %; and the balance being Co and impurities, wherein in ? phase crystal grains as a matrix phase of the Co-based alloy material, segregation cells within an average size of 0.15 to 1.5 ?m are formed, wherein in the segregation cells, ?? phase grains within a size of 0.01 to 0.5 ?m including Co, Al and W are dispersively precipitated, and wherein on boundary regions of the segregation cells and grain boundaries of the ? phase crystal grains, ? phase grains within a size of 0.005 to 2 ?m including Co and W are dispersively precipitated.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: January 30, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Atsuo Ota, Shinya Imano
  • Publication number: 20240027069
    Abstract: A combustor for a gas turbine, includes: a first fuel nozzle group and a second fuel nozzle group each of which includes a fuel nozzle capable of supplying a fuel and has an independently controllable fuel supply system; a cylinder inside which a combustion region allowing a combustion gas produced by combustion of the fuel to flow is formed; and a first contraction portion extending partially along a circumferential direction so as to correspond to one of the first fuel nozzle group or the second fuel nozzle group and protruding radially inward from an inner peripheral surface of the cylinder.
    Type: Application
    Filed: March 31, 2021
    Publication date: January 25, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shinichi Fukuba, Satoshi Takiguchi, Taiki Kinoshita, Kenta Taniguchi, Sosuke Nakamura, Yoshikazu Matsumura
  • Patent number: 11879353
    Abstract: A blade set of the present disclosure is exposed to a working fluid, which includes a blade main bodies which are disposed at intervals in a circumferential direction about an axis and each extending in a radial direction with respect to the axis wherein a tip end surface is formed on an outer circumferential side of each blade main body and the tip end surface of the blade main body includes a leading edge side region positioned on an upstream side in a flow direction of the working fluid along the axis and a trailing edge side region positioned on a downstream side in the flow direction, and a shroud which is provided on an outer circumferential side of the blade main bodies and covering either the leading edge side regions or the trailing edge side regions of the blade main bodies.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: January 23, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshio Watanabe, Yuya Fukuda, Shigeki Senoo
  • Patent number: 11879104
    Abstract: A hydrocarbon recovery facility includes: a washing column configured to bring a gas and water into contact to deposit a hydrocarbon contained in the gas into the water; an automatic strainer for continuously removing the hydrocarbon together with part of the water from the water mixed with the hydrocarbon; an oil-water mixing drum for mixing the water and the hydrocarbon removed by the automatic strainer with an organic solvent to prepare an oil-water mixture; and an oil-water separation drum for separating the oil-water mixture prepared in the oil-water mixing drum into an oil phase and a water phase.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: January 23, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kaori Yoshida, Rikio Kan, Seiji Kakesako
  • Patent number: 11879365
    Abstract: A steam turbine plant and an operating method thereof, and a combined cycle plant and an operating method thereof, include: a turbine; steam supply lines that supply main steam to the turbine; a steam control valve and an intercept valve provided to the steam supply lines; and a first auxiliary steam supply line that supplies auxiliary steam to the turbine via the steam supply lines which are located farther downstream than the steam control valve and the intercept valve.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: January 23, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Daiki Fujimura, Susumu Sekine
  • Patent number: 11879553
    Abstract: A steam valve having a first inclined surface, which is formed at the distal end portion of a valve rod and in which the outer diameter of the valve rod increases from the distal end toward the base end of the valve rod, and a second inclined surface, which is formed on the inside of a portion of a main valve that is positioned on the base-end side of the valve rod and which inclines with the same inclination angle as the first inclined surface. In a state in which a slave valve and the main valve are closed the first inclined surface and the second inclined surface are separated from each other, and when the slave valve and the main valve are in a fully open state the first inclined surface and the second inclined surface abut each other.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: January 23, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shingo Nishida, Megumu Tsuruta, Fumiyuki Suzuki, Masaki Hata
  • Patent number: 11879359
    Abstract: Provided is a transition piece including a first flow path group formed by arraying a plurality of in-wall flow paths that extend inside a plate material forming the transition piece and a second flow path group that is positioned on a side closer to a combustor liner than the first flow path group is. Each in-wall flow path in the first flow path group and the second flow path group has an inlet that is located at one end section in a flow direction of a combustion gas and that faces a compressed air main flow path, and an outlet that is located at the other end section in the flow direction of the combustion gas and that faces a combustion gas flow path.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: January 23, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroaki Nagahashi, Yoshitaka Terada, Shohei Numata
  • Publication number: 20240019861
    Abstract: A first aid presentation system includes a storage unit that stores one piece or a plurality of pieces of alarm master information associated with each alarm issued from one or a plurality of monitoring targets, information representing each first aid associated with each piece of the alarm master information, and information representing a time series relationship between the respective pieces of alarm master information, and a presentation unit that acquires, from the storage unit, and presents the first aid associated with the alarm master information corresponding to a designated alarm and information relating to another piece of the alarm master information having the relationship with the alarm master information.
    Type: Application
    Filed: November 25, 2021
    Publication date: January 18, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Miri Hattori, Hiroyasu Ishigaki, Daisuke Goto
  • Publication number: 20240021071
    Abstract: The first aid presentation system comprises: a storage unit that stores one or more pieces of notification information associated with one another from among notification information received from one or more monitoring targets, and one or more pieces of registration information registered by a user and information representing a first aid for the monitoring target that correspond to the notification information; a presentation unit that acquires, from the storage unit, one or more pieces of registration information and a first aid that correspond to notification information associated with specified notification information and that presents the one or more pieces of registration information and the first aid; and a registration unit that newly registers registration information in association with the specified notification information.
    Type: Application
    Filed: November 25, 2021
    Publication date: January 18, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Miri HATTORI, Hiroyasu ISHIGAKI, Daisuke GOTO
  • Patent number: 11876256
    Abstract: The purpose of the present invention is to provide: fuel cell system that can further stabilize an operation of the system; and control method thereof. Fuel cell system comprises: fuel cell; a turbocharger; oxidizing gas supply line that supplies, to cathode, oxidizing gas compressed by a compressor; a heat exchanger that heats the oxidizing gas of the oxidizing gas supply line by means of exhaust gas discharged from a turbine, and flows the exhaust gas to combustion exhaust gas line; bypass lines each having one end connected to the upstream side of the heat exchanger in the oxidizing gas supply line and bypassing the oxidizing gas; flow rate regulating valves provided in the bypass lines; and a control unit that controls the flow rate regulating valves on the basis of the ambient air temperature, and controls the bypass flow rate of the oxidizing gas.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: January 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroyuki Ozawa, Yasushi Iwai, Kimi Kodo, Kenta Araki
  • Patent number: 11873821
    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: Grant
    Filed: February 26, 2020
    Date of Patent: January 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kimihiko Mitsuda, Shuhei Sasaki