Patents Assigned to Mitsubishi Heavy Industries, Ltd.
  • Patent number: 12214577
    Abstract: A composite structure manufacturing method comprising: a lamination step in which a plurality of fiber-reinforced resin sheets are laminated to form a plate-shaped laminate; a pressing deformation step in which a third roller or similar, which rolls along a plate surface of the laminate, is used to press the plate surface of the laminate, thereby forming a recessed section or a protruding section in a prescribed section of the laminate; a short direction deformation step in which, after the pressing deformation step, the laminate is deformed in the short direction to make the long direction cross-section into a prescribed shape; and a long direction deformation step in which, after the pressing deformation step, the laminate is deformed in the long direction to make the short direction cross-section into a prescribed shape.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: February 4, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Homare Yamato, Masahiko Shimizu, Toshiki Kitazawa, Shoya Mano, Akihiro Terasaka
  • Patent number: 12215605
    Abstract: A stator blade including a blade body, a first insert, a second insert, and an end cover. The blade body has a first blade air passage and a second blade air passage extending in the blade height direction within the blade body. Each passage has an open end on a blade-height second side. The first insert and the second insert have tubular outer peripheral plate portions. A plurality of impinge holes are formed in the outer peripheral plate portion. The tube height opening side of the outer peripheral plate portion in the tube height direction is open. The outer peripheral plate portion of the first insert is disposed in the first blade air passage such that cooling air flows into the outer peripheral plate portion from the opening of the first insert. The outer peripheral plate portion of the second insert is disposed in the second wing air passage.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: February 4, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Saki Matsuo, Satoshi Hada, Yasuo Miyahisa, Satoshi Mizukami
  • Publication number: 20250032973
    Abstract: A CO2 recovery device includes: a cooling tower into which an exhaust gas containing carbon dioxide is introduced to cool the exhaust gas; and an absorption tower into which the exhaust gas cooled in the cooling tower is introduced and which brings the exhaust gas into contact with an absorption liquid to remove the carbon dioxide from the exhaust gas, in which the absorption tower has an absorption tower body through which the exhaust gas is flowable and which has a tubular shape, and a demister that is disposed inside the absorption tower body and is configured to remove mist contained in the exhaust gas as the exhaust gas flows therethrough, and the CO2 recovery device further comprises a flow velocity regulating section that regulates the flow velocity of the exhaust gas flowing through the demister to be within a predetermined range.
    Type: Application
    Filed: July 26, 2023
    Publication date: January 30, 2025
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Osamu Miyamoto, Kyohei Matsukawa, Hiromitsu Nagayasu, Satoru Sugita, Daisuke Shimada
  • Patent number: 12209542
    Abstract: A gas turbine system and control method for the gas turbine system that includes: a gas turbine including a compressor for producing compressed air, a combustor for burning fuel with the compressed air, and a turbine driven by combustion gas generated by burning fuel in the combustor; a motor generator drivable by the turbine and capable of providing rotational power to the gas turbine by electric power supplied from outside the gas turbine; a fuel flow determination device for determining a set value of a parameter used to control a flow rate of the fuel supplied to the combustor; and a fuel flow control device for controlling the flow rate of the fuel supplied to the combustor, based on the set value. The fuel flow determination device determines the set value such that the flow rate of the fuel is a lower limit value in a reverse power operation mode.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: January 28, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroshi Tanabe, Yasutsugu Takata, Kyosuke Kawano
  • Patent number: 12208360
    Abstract: A treated water drying device 20 for vaporizing treated water by heat of a combustion gas, the device 20 including a housing 21, a combustion gas supply port 26 for supplying the combustion gas to the housing 21, a water supply portion 27 for vaporizing the treated water by bringing the treated water into contact with the combustion gas supplied to the housing 21, and an exhaust port 28 for discharging a water-containing gas including the vaporized treated water to an outside of the housing 21. The exhaust port 28 is disposed at a lowermost part of the housing 21 and opens in a direction crossing a vertical direction. The housing 21 has a bottom 22 including an inclined portion 23 formed toward the exhaust port 28.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: January 28, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Koichiro Hirayama, Satoru Sugita, Seiji Kagawa, Toshihiro Fukuda
  • Patent number: 12211476
    Abstract: A vibration damping and sound insulating device installed on an installation object, includes: vibrators disposed at a prescribed spacing. Each of the vibrators includes: a cylindrical tubular member on the installation object; an elastic body supported by the cylindrical tubular member such that the elastic body traverses a hollow portion of the cylindrical tubular member along a direction orthogonal to an axis of the cylindrical tubular member; and a weight on the elastic body.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: January 28, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yuki Ishii, Takaki Sato, Yusei Kashizaki
  • Patent number: 12211284
    Abstract: The invention relates to a surveillance system for an infrastructure and/or for a vehicle, including at least two sensor modules configured to collect respective sensor data from respectively associated sensors; at least one access module being configured to access the sensor data; and a clock module being configured to provide a common time signal at least to two of the sensor modules; wherein the sensor modules are configured to provide the sensor data with a time stamp, wherein the time stamp is based on the common time signal; and the access module being configured to forward the accessed sensor data by taking into account the time stamp so as to provide an enhanced surveillance and/or maintenance system which is suitable for large and/or complex infrastructures, vehicles, and combinations thereof.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: January 28, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Daisuke Sumiya, Ryota Hiura, Johannes Dagner, Sascha Maisel
  • Publication number: 20250030318
    Abstract: An electric propulsion device includes a hollow shaft having a shaft flow path, which extends in a direction of an axis, formed therein, a boss portion having a space formed therein, a plurality of blades having a blade flow path, which communicates with the space of the boss portion, formed therein, an electric motor, and a casing having an accommodation space, which communicates with the shaft flow path, formed therein. A suction port is formed to communicate between an outside of the casing and the accommodation space, in a position of the casing between each of the plurality of blades and the electric motor. A blowing port is formed to communicate between the blade flow path and the outside, in a region including an end portion of each of the plurality of blades on an outer side in the radial direction.
    Type: Application
    Filed: October 17, 2022
    Publication date: January 23, 2025
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yuki Morisaki, Junji Iwatani, Tsuyoshi Kitamura, Takehiko Imai, Yasutaka Aoki, Satoshi Yonemoto, Masayuki Sakai
  • Publication number: 20250025942
    Abstract: An additive manufacturing method according to one or more embodiments includes a step for feeding a raw-material powder and forming a layer of the raw-material powder and a step for irradiating the layer with a light beam to cause the raw-material powder in the layer to melt and solidify, and thereby molding a part of a molded object. In the molding step, the beam diameter of the light beam on the molding surface is changed partway through molding, within the same layer.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 23, 2025
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Ryuichi Narita, Masashi Kitamura, Shuji Tanigawa
  • Patent number: 12202618
    Abstract: A fan device includes: a fan including a plurality of blades each extending in a radial direction relative to a rotation axis, the fan being configured to rotate about the rotation axis and generate an airflow; a rotor core provided outside in the radial direction of the fan; a stator core provided at a position facing the rotor core in the radial direction; a housing that forms an inner circumferential surface surrounding the fan about the rotation axis and that internally includes an accommodation space accommodating the rotor core and the stator core; and a compressor configured to compress air. The inner circumferential surface of the housing has a cylindrical surface and a nozzle surface whose diameter expands outward in the radial direction along the rotation axis in downstream in a flow direction of an airflow relative to the cylindrical surface.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: January 21, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yuki Morisaki, Suguru Hase
  • Patent number: 12203711
    Abstract: A heat exchanger core includes: a first passage row which is formed by a plurality of first passages; a plurality of first dividing walls separating the plurality of first passages from each other; a second passage row which is disposed adjacent to the first passage row and is formed by a plurality of second passages; a plurality of second dividing walls separating the plurality of second passages from each other; and a partition wall located between the first passage row and the second passage row, and separating the plurality of first passages and the plurality of second passages. (a) The partition wall has a greater section modulus in an orthogonal direction than either the first dividing wall or the second partition, or (b) a constituent material of the partition wall has a greater breaking strength than a constituent material of either the first dividing wall or the second dividing wall.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: January 21, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Koichi Tanimoto, Nobuhide Hara, Hiroyuki Nakaharai, Yoichi Uefuji, Takuo Oda, Shunsaku Eguchi, Masaya Hatanaka, Tatsuya Kameyama
  • Patent number: 12206304
    Abstract: An axial-gap coreless rotary electric machine includes rotors, stators, and a case. Armature coils of the stators include a first coil segment and a second coil segment facing the first coil segment. The case includes a first case segment and a second case segment facing the first case segment.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: January 21, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shinichi Isobe, Masahiko Ezumi, Mikito Sasaki, Masahiro Nii
  • Patent number: 12206311
    Abstract: An outer diameter side magnet field pole piece assembly for a magnetic gear which is disposed on an outer circumferential side of a plurality of magnetic pole pieces disposed on an outer circumferential side of the outer diameter side magnet field pole piece assembly along a circumferential direction, includes: a plurality of magnetic pole pairs disposed on the outer circumferential side of the plurality of magnetic pole pieces along the circumferential direction; and a support member for supporting the plurality of magnetic pole pairs from the outer circumferential side. A space along an axial direction is formed in at least a part between an outer circumferential surface of each of the plurality of magnetic pole pairs and an opposite surface of an inner circumferential surface of the support member opposite to the outer circumferential surface of each of the plurality of magnetic pole pairs.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: January 21, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masayuki Sakai, Yasutaka Aoki, Takayuki Shimizu, Ryoji Okabe, Akihiko Umeda, Takatoshi Matsushita, Mikito Sasaki
  • Patent number: 12203383
    Abstract: A steam turbine according to at least one embodiment of the present disclosure includes an outer casing. The steam turbine according to at least one embodiment of the present disclosure includes an annular member, which is a single member provided radially inward of the outer casing, and formed in the annular member are a seal region in which a sealing device for sealing a gap between said member and the outer peripheral surface of a rotor is located, a rear-stage-stator-vane-holding region where a rear-stage stator vane is held, and an inner casing region connecting the seal region and the rear-stage-stator-vane-holding region. The steam turbine according to at least one embodiment of the present disclosure includes a front-stage vane ring that is attached to the annular member and that holds a front-stage stator vane.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: January 21, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shoki Yamashita, Takakazu Yoshifuji
  • Patent number: 12203659
    Abstract: A combustor cylinder includes a cylinder, and a fuel nozzle capable of injecting fuel into a combustion space of the cylinder. The cylinder has a plurality of cooling passages allowing cooling air to circulate therethrough, and a nozzle attachment penetration hole penetrating the cylinder from an outer circumferential surface of the cylinder to an inner circumferential surface of the cylinder. The fuel nozzle has a mixing passage, a fuel passage communicating with the mixing passage and capable of supplying the fuel to the inside of the mixing passage, and a connection passage communicating with the mixing passage and capable of supplying cooling air from a part of the plurality of cooling passages to the inside of the mixing passage. A position in the mixing passage communicating with the connection passage is on a side where a spout port of the mixing passage is present from a position where the mixing passage communicates with the fuel passage.
    Type: Grant
    Filed: August 3, 2023
    Date of Patent: January 21, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Geoffrey D. Myers, Kenji Miyamoto
  • Patent number: 12203896
    Abstract: An ultrasonic testing device includes: a signal acquiring unit which receives a reflected echo signal relating to a reflected echo of ultrasonic waves from an object being inspected, a defect detecting unit which detects a defect of the object being inspected on the basis of the reflected echo signal, and a display unit which displays the detection result of the defect detecting unit. The defect detecting unit uses the maximum signal strength of the reflected echo signal exceeding a first threshold value to detect the defect. The first threshold value is a value with which the signal strength is less than the maximum signal strength of the reflected echo signal from the surface of the object, using as an evaluation range an interval between a position which is positioned a first distance from the surface of the object and a bottom surface of the object.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: January 21, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Hiroshi Takemoto
  • Publication number: 20250019083
    Abstract: An electric fan includes: an electric motor that includes an output shaft extending along an axis line and a tubular housing centered on the axis line; an inner duct provided on a downstream side of the electric motor; a plurality of blades mounted on the output shaft; and a cooling member having a plurality of fins provided on an outer peripheral surface of the housing.
    Type: Application
    Filed: November 18, 2022
    Publication date: January 16, 2025
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Junji IWATANI, Takehiko IMAI, Yasutaka AOKI, Masayuki SAKAI, Naotaka UCHIMICHI, Tsuyoshi KITAMURA, Akihiro NAKANIWA
  • Publication number: 20250019846
    Abstract: An electrolytic cell according to the present disclosure includes: a first separator; a second separator disposed with a space between the second separator and the first separator; an ion exchange membrane disposed between the first separator and the second separator and configured to partition at least part of the space into an anode chamber and a cathode chamber; and a sealing part disposed between the first separator and the second separator, located on an outer side from an outer edge portion of the ion exchange membrane, and configured to seal the space.
    Type: Application
    Filed: February 24, 2023
    Publication date: January 16, 2025
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naoto TAGAMI, Hidehiko TAJIMA, Yasutaka URASHITA, Shoichi FURUKAWA, Shigeru TSURUMAKI, Daisuke MUKAI, Takahiro SUKENOBU
  • Patent number: 12200846
    Abstract: This high-frequency hardening apparatus is provided with: an induction heating coil which has a U-shaped part that sandwiches a turbine blade, a pair of linear parts, and a connection part connecting the U-shaped part and the linear parts; a temperature detection unit which detects, in a non-contact manner, temperature around the induction heating coil; a moving mechanism which relatively moves the turbine blade and the induction heating coil in the direction of blade height; an electrical current supply unit which supplies a high-frequency electrical current to the induction heating coil; and a control device which has an electrical current control unit that, on the basis of a detection value provided by the temperature detection unit, controls the magnitude of the high-frequency electrical current supplied from the electrical current supply unit such that the detection value will not exceed a predetermined temperature.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: January 14, 2025
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kunio Asai, Keiko Shishime, Shuichi Ishizawa, Takeshi Kudo, Yurika Nagai, Katsumi Tanaka
  • Patent number: 12197197
    Abstract: A low toughness workpiece cutting apparatus, a low toughness workpiece manufacturing method and a low toughness workpiece manufacturing program for predicting an occurrence of defect and/or non-occurrence of defect before a cutting process of low toughness material. A defect prediction device is provided with a storage device, a processor and an interface. The storage device stores tool data that represent physical characteristics and a shape of a tool, cutting data that represent a group of parameters of a cutting process to be performed to a workpiece by use of the tool and material data that represent physical characteristics and a shape of the workpiece. The processor performs an analysis of deformation of the workpiece due to a cutting force and an analysis of fracture due to the deformation, and performs a prediction of an occurrence of defect and/or a non-occurrence of defect of the workpiece due to the cutting process.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: January 14, 2025
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., MITSUBISHI HEAVY INDUSTRIES AERO ENGINES, LTD., NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM
    Inventors: Yukio Naiki, Shiro Nagami, Keigo Matsunaga, Koji Mizutani, Eiji Shamoto, Takehiro Hayasaka, Shota Yoshino