Patents Assigned to Mitsubishi Heavy Industries, Ltd.
  • Patent number: 11738961
    Abstract: The present invention includes a first weight scale that senses first information necessary when acquiring the residual amount of a first composite material sheet wound on a first support rod; a second weight scale that senses second information necessary when acquiring the residual amount of a second composite material sheet wound on a second support rod; a first cutting part for cutting the first composite material sheet; a second cutting part for cutting the second composite material sheet; a pressure-bonding mechanism that pressure-bonds the first composite material sheet and the second composite material sheet; and a control device that controls the first cutting part, the second cutting part, and the pressure-bonding mechanism.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: August 29, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Akihito Suzuki, Kazuki Ishida, Kohei Muto, Tsuyoshi Okawara, Kenji Murakami, Makoto Inomoto
  • Patent number: 11740209
    Abstract: An ultrasonic testing device performs flaw detection on a stringer having an inner circumferential surface of a substantially rectangular shape closed in a transverse section. The ultrasonic testing device includes: a shoe configured to be in contact with a corner of the inner circumferential surface of the stringer; an ultrasonic array configured to be fixed to the shoe to define, together with the shoe and the corner a medium space in which a contact medium used for propagating an ultrasonic wave is enclosed, and configured to transmit an ultrasonic wave to the corner and receive a reflected ultrasonic wave; and a forcing unit configured to be in contact with a corner and push the shoe against the corner.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: August 29, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takahito Shimomukai, Jumpei Komoto
  • Publication number: 20230265835
    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: Application
    Filed: October 19, 2021
    Publication date: August 24, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tatsufumi Aoi, Syusaku Yamamoto, Naoto Murata, Yoichiro Tsumura
  • Publication number: 20230264934
    Abstract: A forklift includes a vehicle and a cargo handling device. The cargo handling device includes a mast, a lift bracket, and a pair of forks that includes claw portions, the forks being separated from each other in a vehicle width direction. The vehicle includes a vehicle main body, and a pair of straddle legs that is provided such that the straddle legs extend to the front side from a lower portion of the vehicle main body and the cargo handling device is interposed between the straddle legs in the vehicle width direction and that supports the mast such that the cargo handling device is movable forward and backward between an advance position and a retreat position, and front ends of the claw portions are positioned behind front ends of the straddle legs when the cargo handling device is at the retreat position.
    Type: Application
    Filed: February 16, 2023
    Publication date: August 24, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tomoya Okuda, Megumu Tsuruta, Tatsuya Sato, Naoto Kawauchi, Mitsuhisa Kawabe, Masayuki Ishikawa, Noriyuki Hasegawa, Keitaro Kamata, Yusuke Otaki, Yu Shibata, Sho Onodera, Kensuke Nishiura, Ei Onogawa
  • Publication number: 20230266750
    Abstract: An arithmetic device includes a deformation amount acquisition unit that acquires an actual measurement deformation amount of a fabrication object that is manufactured based on a target shape, the actual measurement deformation amount corresponding to a deviation amount of a shape of the fabrication object from the target shape, an analysis unit that performs an analysis, based on the target shape of the fabrication object and a reference inherent strain value corresponding to a reference value of an inherent strain of the fabrication object, and acquires an analytical deformation amount corresponding to a deviation amount of the shape of the fabrication object in the analysis from the target shape, and a strain calculation unit that calculates an estimated inherent strain value corresponding to an estimated value of the inherent strain of the fabrication object with the target shape, based on the actual measurement deformation amount and the analytical deformation amount.
    Type: Application
    Filed: February 8, 2023
    Publication date: August 24, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Ryogo HISHIKAWA, Toshifumi KANNO, Ryutaro FUJISAWA, Shuji TANIGAWA, Masayuki OTA, Shintaro KIMURA
  • Publication number: 20230268737
    Abstract: A settlement device includes a measured value acquisition unit to acquire a measured value of active power transmitted or received at a connection point of a power transmission and distribution network and a regulating power providing means capable of providing regulating power to the power transmission and distribution network and a measured value of a frequency at the connection point; a regulating power measurement unit to measure regulating power at the connection point on the basis of the acquired measured value of the active power and the acquired measured value of the frequency; a regulating power amount calculation unit to calculate an amount of regulating power of a prescribed period at the connection point by integrating the regulating power over time; a power amount acquisition unit to acquire an amount of power transmitted or received in the prescribed period at the connection point; and a settlement unit.
    Type: Application
    Filed: August 30, 2021
    Publication date: August 24, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takaharu Hiroe, Kazunari Ide, Ryo Sase
  • Publication number: 20230266391
    Abstract: A diagnosis apparatus for a rotary machine includes: an effective value acquisition part configured to acquire, from a current waveform of a current measured during rotation of a rotary machine including a motor or a generator, an effective value of the current; a first index acquisition part configured to acquire a first index indicating a dispersion of a distribution of the effective value; and an abnormality determination part configured to determine whether there is an abnormality in the rotary machine on the basis of comparison of an abnormality index including the first index with a threshold.
    Type: Application
    Filed: February 8, 2021
    Publication date: August 24, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Koki TATEISHI, Yohei CHISHIKI, Takashi SONODA
  • Patent number: 11732615
    Abstract: A steam turbine hollow stationary blade is able to reduce the amount of water droplets captured on a blade surface. The steam turbine hollow stationary blade, which has a cavity therein, includes a partition wall dividing the cavity into a pressure chamber on a leading edge side and an exhaust chamber on a trailing edge side, at least one steam inlet hole connecting the pressure chamber and an outside of the stationary blade to each other, and at least one pressure conditioning hole connecting the pressure chamber and the exhaust chamber. Total opening area of the pressure conditioning hole is smaller than total opening area of the steam inlet hole.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: August 22, 2023
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Yasuhiro Sasao, Soichiro Tabata, Ryo Takata, Nao Taniguchi
  • Publication number: 20230257783
    Abstract: A waste treatment system includes: at least one reformer for hydrolyzing waste; and a microbial reactor for microbially degrading a reformed material containing at least a solid among the waste hydrolyzed in the at least one reformer.
    Type: Application
    Filed: June 30, 2021
    Publication date: August 17, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Akira Noma, Kazuhiro Kawai, Keiji Fujikawa, Susumu Okino, Yosuke Nakagawa, Koichi Fukunaga, Keiichi Nakagawa, Haruka Adachi, Takashi Ike, Ryo Kamito, Masahiro Yamada
  • Publication number: 20230259116
    Abstract: A cause estimation device includes: an acquisition unit that acquires a measurement value of a target apparatus; a likelihood calculation unit that calculates, in a case where it is assumed that events occur due to a common cause, a likelihood of an occurrence of each of the events based on the measurement value; a table storage unit that stores a cause table in which a cause of occurrence of the event and a frequency of the cause of occurrence are associated with each other for each of the plurality of events; and an estimation unit that rewrites the frequency registered in the cause table into a frequency in the case where it is assumed that the plurality of events occur due to the common cause, and estimates the cause of occurrence based on the rewritten cause table and the likelihood.
    Type: Application
    Filed: October 13, 2021
    Publication date: August 17, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shunsaku Matsumoto, Kuniaki Aoyama, Yasuyuki Ogawa, Takashi Sonoda, Daisuke Kudo
  • Publication number: 20230258268
    Abstract: A sealing device is disposed between a stationary body and a rotating body and is configured to suppress flow of a fluid from a high-pressure side to a low-pressure side. The sealing device includes: a sealing member movably supported by the stationary body in an axial direction and a radial direction of the rotating body; a seal fin extending from the sealing member to the rotating body side; a pressure adjustment space provided between the stationary body and a high-pressure-side end surface of the sealing member; and a communication passage having one end communicating with the low-pressure side and the other end communicating with the pressure adjustment space.
    Type: Application
    Filed: January 31, 2023
    Publication date: August 17, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takashi Mitsumata, Kohei Ozaki, Azumi Yoshida, Masaya Kawano
  • Publication number: 20230258104
    Abstract: A steam turbine exhaust chamber for guiding steam after passing through a rotor blade of a final stage of a steam turbine to outside of the steam turbine includes: a casing; a bearing cone; and a flow guide. An inner surface of the casing includes an inner circumferential surface extending along an axial direction of the rotor at a radially outer side of the flow guide and a side wall surface connecting the inner circumferential surface and the bearing cone. A first protruding portion is formed on the side wall surface along the circumferential direction above a horizontal plane including a rotational axis of the rotor. The first protruding portion is positioned at an outer side, in the radial direction of the rotor, of a downstream end of an inner circumferential surface of the flow guide in at least a partial range in the circumferential direction.
    Type: Application
    Filed: August 13, 2021
    Publication date: August 17, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Nao Taniguchi, Ryo Takata, Soichiro Tabata
  • Publication number: 20230256565
    Abstract: Provided is a wet blasting treatment device including a first nozzle unit that discharges, toward a target treatment region of a workpiece, slurry in which a first liquid and abrasive grains are mixed, a second nozzle unit that discharges a second liquid toward an untreated region adjacent to the target treatment region such that a liquid film is formed in the target treatment region of the workpiece, and a control unit that controls a discharge amount of the second liquid discharged by the second nozzle unit such that the liquid film has a predetermined thickness.
    Type: Application
    Filed: January 9, 2023
    Publication date: August 17, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroki MORI, Takumi SATO, Takayuki TAKAHASHI
  • Publication number: 20230257132
    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: Application
    Filed: January 13, 2022
    Publication date: August 17, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yuki Morisaki, Suguru Hase
  • Patent number: 11725593
    Abstract: A gas turbine including a fuel gas supply system to supply fuel gas via a fuel piping to a gas turbine combustor, a pressure control valve installed halfway along the fuel piping, a flow control valve installed in the fuel piping at downstream of the pressure control valve, and a control device configured that in a case where a flow rate change occurs in the fuel gas flowing through the fuel gas supply system, along with a tendency of change in an opening degree of the pressure control valve or a pressure P1 at upstream of the pressure control valve, a command value of the flow rate of the fuel gas that is determined based on a demand value of a gas turbine load is adjusted so that the change is suppressed in the opening degree of the pressure control valve or the pressure P1.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: August 15, 2023
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Tatsuya Hagita, Keita Naito, Mitsuhiro Karishuku, Masaya Kato, Satoshi Tanimura
  • Patent number: 11725922
    Abstract: A length measuring jig measures the length of a tubular stud bolt with a central hole defined axially therethrough while the tubular stud bolt remains mounted on a target product such as a steam turbine casing. The length measuring jig includes a rod to be inserted into the central hole in the stud bolt, a first jaw provided on a tip end of the rod for abutting against an end face of the one side in longitudinal direction of the stud bolt, a slider on which the rod is slidably supported, a second jaw provided on the slider for abutting against an end face of the other side in longitudinal direction of the stud bolt, and a cap to be fitted in the central hole in the stud bolt and having a slit defined therein for allowing the rod to extend therethrough. The first jaw has an overall length smaller than a diameter of a minimum-diameter portion of the central hole in the stud bolt.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: August 15, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yohei Tsuchiya, Takahiro Igawa
  • Publication number: 20230250922
    Abstract: A cold recovery facility includes: a first fuel tank configured to store a first fuel in liquid state; a second fuel tank configured to store a second fuel in liquid state having a liquefaction temperature higher than the liquefaction temperature of the first fuel; a first circuit configured to circulate a first medium; a first expansion turbine provided on the first circuit and configured to expand the first medium in gaseous state; a first heat exchanger provided downstream of the first expansion turbine on the first circuit and configured to condense the first medium; a pump provided downstream of the first heat exchanger on the first circuit and configured to boost the first medium; a second heat exchanger provided downstream of the pump on the first circuit and configured to vaporize the first medium; and a third heat exchanger provided downstream of the second heat exchanger and upstream of the first expansion turbine on the first circuit, wherein the first heat exchanger is configured to vaporize the f
    Type: Application
    Filed: February 8, 2023
    Publication date: August 10, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshimitsu TANAKA, Ryo TAKATA
  • Publication number: 20230251031
    Abstract: A cold energy recovery facility includes a liquid hydrogen tank configured to store liquid hydrogen a first circuit configured to circulate a first working medium, a second circuit configured to circulate a second working medium having a freezing point higher than the first working medium, a first turboexpander provided in the first circuit, the first turboexpander being configured to be driven by the first working medium in a gas state, a second turboexpander provided in the second circuit, the second turboexpander being configured to be driven by the second working medium in a gas state, a first heat exchanger configured to vaporize the liquid hydrogen from the liquid hydrogen tank by heat exchange with the first working medium, a second heat exchanger configured to vaporize the first working medium in a liquid state by heat exchange with the second working medium, and a third heat exchanger configured to vaporize the second working medium in a liquid state by heat exchange with a heat medium, wherein the f
    Type: Application
    Filed: February 8, 2023
    Publication date: August 10, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshimitsu TANAKA, Ryo TAKATA
  • Publication number: 20230251128
    Abstract: A laser light profile measuring device of the present disclosure includes a reflection attenuation part reflecting and attenuating at least part of laser light incident from a first direction in a direction different from the first direction to generate measurement target laser light traveling in the first direction, a capture unit placed on one side of the reflection attenuation part in the first direction and which captures the measurement target laser light, a cooling body covering at least part of the reflection attenuation part and the capture unit in a circumferential direction with respect to the first direction, a refrigerant supply unit forcibly feeding a refrigerant toward the cooling body, and a rotation support part supporting the reflection attenuation part, the cooling body, and the refrigerant supply unit to be rotatable around a rotation axis extending in a horizontal direction.
    Type: Application
    Filed: January 4, 2023
    Publication date: August 10, 2023
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., National Institute of Advanced Industrial Science and Technology
    Inventors: Ryuichi Narita, Toshiya Watanabe, Misaki Fukuyama, Takeshi Kaneko, Takayuki Numata
  • Publication number: 20230253582
    Abstract: A heat insulation structure for a high-temperature reaction room includes a heat insulating body surrounding the reaction room. The heat insulating body contains a binder component including a metal element and is arranged so as to face an insulating film disposed on a cell stack. Transfer of metal ions originating in the metal element from the heat insulating body toward the insulating film is suppressed by a metal ion transfer suppression means.
    Type: Application
    Filed: December 25, 2020
    Publication date: August 10, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoshiki Kato, Shigenori Suemori, Koji Miyamoto, Kenta Araki, Keijo Hara