Patents Assigned to IHI Corporation
  • Publication number: 20220176959
    Abstract: Provided is a weight estimation system (S) including: a change amount calculation device (2) which acquires a height of a loading platform (N) before loading a vehicle and a height of the loading platform (N) after loading the vehicle and calculates an amount of change between the heights of the loading platform (N) between before and after the loading; and a loaded weight estimation device (4) which estimates a loaded weight on the basis of a correlation between the amount of change and a loaded weight stored in advance.
    Type: Application
    Filed: March 17, 2020
    Publication date: June 9, 2022
    Applicant: IHI CORPORATION
    Inventor: Yoshio KATSUKI
  • Publication number: 20220176339
    Abstract: A jig for inserting a packing into a flow passage of a reactor extending in one direction or for removing the packing from the flow passage, includes: a pair of strip portions extending in parallel with each other, having a length longer than the flow passage; and link portions arranged in an extending direction of the pair of strip portions, linking the pair of strip portions and having lengths with which the pair of strip portions sandwich the packing therebetween.
    Type: Application
    Filed: February 28, 2022
    Publication date: June 9, 2022
    Applicant: IHI CORPORATION
    Inventors: Yusuke TAKEUCHI, Akihisa YANO, Shunji MIYAJIMA, Shigeki SAKAKURA, Taiga YAMAMOTO, Takuya YOSHINOYA, Hiroyuki KAMATA, Daisuke TSUNODA, Nobuyuki HONMA
  • Patent number: 11352959
    Abstract: A fuel supply control device controls a fuel supply pump based on a front-rear differential pressure across a metering valve for a fuel supply amount, which is detected by a differential pressure gauge, using parallel flow passages of an orifice and a pressurizing valve as the metering valve, in which the fuel supply control device includes a first control amount generation unit generating a first control amount based on the front-rear differential pressure, a second control amount generation unit generating a second control amount based on the rotation speed of the fuel supply pump, a control amount selection unit, a subtractor, and a control calculation unit, in which the control amount selection unit selects the first control amount in a case where the rotation speed is equal to or lower than a predetermined threshold and select the second control amount in a case where the rotation speed exceeds the threshold.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: June 7, 2022
    Assignee: IHI Corporation
    Inventors: Yasuhiko Yamamoto, Naoki Seki
  • Patent number: 11352944
    Abstract: A clearance ? between an inner peripheral surface of an attachment hole of an attachment tongue and an outer peripheral surface of a valve shaft is set to be smaller than an allowable displacement amount ? in an axial direction of a valve with respect to the attachment tongue. When a condition is satisfied in which the outer peripheral surface of the valve shaft comes into contact with a front-side periphery and a back-side periphery of the attachment hole of the attachment tongue, and in which a top surface of a valve body comes into contact with a back surface of the attachment tongue, a waste gate valve is constituted so that a metal washer becomes non-contact with a front surface of the attachment tongue.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: June 7, 2022
    Assignee: IHI Corporation
    Inventor: Jinhee Byon
  • Publication number: 20220168973
    Abstract: A method for producing a fiber-reinforced plastic combined body from a prepreg, includes: heating the prepreg in an atmosphere above a room temperature and lower than a curing temperature of the prepreg; provisionally combining pre-products obtained by the heating together or with another component; and retaining and curing the combined pre-products at the curing temperature or higher.
    Type: Application
    Filed: February 16, 2022
    Publication date: June 2, 2022
    Applicant: IHI Corporation
    Inventors: Mikio HIRAMATSU, Tadashi JYUNISHO
  • Patent number: 11346046
    Abstract: A carbon fiber complex material for a carbon fiber reinforced plastic composite material includes a carbon fiber material formed from a continuous carbon fiber, and carbon nanowalls formed on a surface of the continuous carbon fiber.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: May 31, 2022
    Assignee: IHI Corporation
    Inventors: Akihiko Yoshimura, Hirotsugu Chishina, Kensuke Hirata
  • Publication number: 20220162099
    Abstract: A wastewater treatment device has: an ozone generator which supplies ozone; a mixer which mixes ozone supplied from the ozone generator with wastewater and supplies ozone mixed wastewater; an ozone oxidation unit which progresses ozone oxidation in the ozone mixed wastewater while passing the ozone mixed wastewater therethrough and discharges wastewater in which the ozone has been consumed; a biological treatment unit which performs biological treatment on the wastewater discharged from the ozone oxidation unit using microorganisms; and an adjusting device which adjusts the amount of ozone to be mixed with the wastewater by the mixer so that ozone in an amount that inhibits the microorganisms of the biological treatment unit does not remain in the wastewater discharged from the ozone oxidation unit.
    Type: Application
    Filed: February 12, 2022
    Publication date: May 26, 2022
    Applicant: IHI CORPORATION
    Inventors: Nobuhiko KUBOTA, Yuka YOSHIDA, Xia HUANG, Chun LIU, Jing ZHANG, Hong Zheng ZHOU, Xiao Xuan CHEN, Lei ZHANG
  • Publication number: 20220161331
    Abstract: A three-dimensional manufacturing apparatus includes a rotary drive unit that rotates a table around a rotation axis, a region setting unit that sets a plurality of divided regions obtained by dividing an irradiation region, a beam source that irradiates a powder material with an electron beam for each of the divided regions, and a rotation speed adjusting unit that adjusts a rotation speed of the table. An area per unit central angle of a first divided region is smaller than an area per unit central angle of a second divided region. The rotation speed adjusting unit performs adjustment so that a rotation speed of the table during a period of irradiating the first divided region with the energy beam becomes faster than a rotation speed of the table during a period of irradiating the second divided region with the energy beam.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 26, 2022
    Applicant: IHI CORPORATION
    Inventors: Riku SHIMIZU, Yuichiro NAKAYAMA
  • Publication number: 20220163434
    Abstract: A strength evaluation method is a strength evaluation method for a composite material in which a plurality of fiber layers are laminated and includes a meandering state measuring process of measuring a meandering state of fibers of the plurality of fiber layers in a direction along the fiber layers, a meandering thickness measuring process of measuring a meandering thickness that is a thickness in a lamination direction of a part in which meanderings of fibers of the plurality of fiber layers occur, and a strength evaluation process of evaluating a strength of the composite material based on the meandering state and the meandering thickness.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 26, 2022
    Applicant: IHI Corporation
    Inventors: Sayo YAMAHA, Takahiro FUKUMARU, Yuichi YAMAGUCHI
  • Patent number: 11339794
    Abstract: A turbocharger includes ball bearings each including an inner ring and an inner ring mounted to a shaft, and an outer ring and an outer ring provided so as to be relatively rotatable in a bearing hole, and damper portions formed in at least one of outer peripheral surfaces of the outer ring and the outer ring and opposed surfaces of inner peripheral surface of the bearing hole opposed to the outer peripheral surfaces of the outer ring and the outer ring.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: May 24, 2022
    Assignee: IHI Corporation
    Inventors: Yutaka Uneura, Hideyuki Kojima, Takahiro Tanaka, Shunsuke Nishii, Hiroki Mochizuki
  • Patent number: 11333167
    Abstract: To provide a method of designing a blade of an axial flow fluid machine that has a blade surface whose radius of curvature is continuous at a leading edge thereof and has a high aerodynamic performance. The method includes a step of determining a pressure surface curve and a suction surface curve as curves capable of first to third order differentiations at respective connection points to a leading edge curve, that is, a pressure surface connection point and a suction surface connection point, and a step of forming the leading edge curve as a fifth order Bezier curve that is defined by a first control point, a second control point, a third control point, a fourth control point, a fifth control point and a sixth control point. The first control point is the suction surface connection point. The sixth control point is the pressure surface connection point.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 17, 2022
    Assignee: IHI CORPORATION
    Inventors: Ryuichi Okada, Tomonori Enoki, Takeshi Murooka, Dai Kato
  • Patent number: 11325485
    Abstract: A ground-side coil device includes a ground-side coil disposed on a road surface where a vehicle parks or stops and transmitting or receiving, via a magnetic field, electric power to or from a vehicle-side coil mounted on the vehicle, a position detection sensor disposed around the ground-side coil and acquiring information relating to the position, relative to the ground-side coil, of the vehicle approaching the ground-side coil, a screen disposed at a position visible to a driver of the vehicle approaching the ground-side coil, and a control unit controlling a display mode on the screen.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: May 10, 2022
    Assignee: IHI CORPORATION
    Inventors: Kenji Nishimura, Seishiro Nakajima
  • Patent number: 11326615
    Abstract: A seal structure includes a cylindrical outlet wall portion which forms an outlet passage at a downstream side of a turbine wheel and an annular shroud portion which is provided in a second nozzle ring and faces a blade portion. A proximal end portion of the outlet wall portion and a distal end portion of the shroud portion face each other with a gap interposed therebetween in an axial direction. An annular seal member is disposed at an inner peripheral portion of the gap in a radial direction. The seal member comes into contact with the proximal end portion of the outlet wall portion and the distal end portion of the shroud portion to block the gap.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: May 10, 2022
    Assignee: IHI Corporation
    Inventor: Kenichi Segawa
  • Patent number: 11328852
    Abstract: A coil device is installed on an installation object. The coil device includes a housing accommodating at least a coil portion and a heat radiation member coming into thermal contact with the installation object. The heat radiation member includes a main body portion interposed in at least a part of a space between the housing and the installation object and a protrusion protruding from the main body portion toward the installation object.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: May 10, 2022
    Assignee: IHI CORPORATION
    Inventors: Taewon Kim, Kenji Nishimura
  • Patent number: 11325483
    Abstract: A plate is to be installed on an installation surface for supporting an object to be supported on the installation surface. The plate includes a plate part having a support surface for supporting the object to be supported, and an adjustment part attached to the plate part and capable of adjusting a height position of the support surface relative to the installation surface.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: May 10, 2022
    Assignee: IHI CORPORATION
    Inventor: Akio Ueda
  • Publication number: 20220137002
    Abstract: An ultrasonic flaw detection device includes: an ultrasonic probe that detects waveform data of ultrasonic echoes emitted to an inspection area of an inspection target; a processing unit that stores pieces of sampling data obtained by sampling the waveform data obtained by the ultrasonic probe at predetermined sampling intervals in a storage unit continuously in time series; and a display control unit that divides the inspection area into a plurality of divided areas and displays each of the plurality of divided areas on a display, wherein the processing unit directly or indirectly links a divided area of the plurality of divided areas to one or more waveform data containing sampling data of one or more sampling point included in the divided area.
    Type: Application
    Filed: February 28, 2020
    Publication date: May 5, 2022
    Applicant: IHI CORPORATION
    Inventor: Toshiaki HAMANO
  • Publication number: 20220136517
    Abstract: A sealing device includes a plurality of non-contact seals provided along a sealed shaft; a contact seal provided on at least one of two sides of the plurality of non-contact seals; an injection part that supplies purge gas into a first space of spaces arranged in an axial direction of the sealed shaft, the spaces being between the plurality of non-contact seals and the contact seal; and a collector that collects the purge gas from a second space of the spaces between the plurality of non-contact seals and the contact seal, the second space being positioned to be next to the first space in the axial direction.
    Type: Application
    Filed: August 2, 2019
    Publication date: May 5, 2022
    Applicant: IHI Corporation
    Inventors: Toru KUGA, Yasuhiro ISHIKAWA
  • Patent number: 11319987
    Abstract: A radial foil bearing of the present disclosure includes a bearing housing that has an insertion hole into which a rotary shaft is inserted, a base sheet that is disposed in the insertion hole, a back foil that is supported by the base sheet and has unevenness in a radial direction of the insertion hole, and a top foil that is supported by the back foil. The base sheet has a branch deviated in the radial direction of the insertion hole, and is engaged with at least one of the bearing housing, the back foil, and the top foil.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: May 3, 2022
    Assignee: IHI CORPORATION
    Inventor: Naomichi Omori
  • Patent number: 11322984
    Abstract: A coil device includes a base, a cover facing the base and forming a receiving space between the base and the cover, a casing disposed inside the receiving space and containing a coil therein, a substrate disposed inside the receiving space and having a through hole passing through the substrate along a facing direction of the base and the cover, and a support portion disposed in the through hole, wherein the support portion has a strength greater than a strength of the substrate and wherein the support portion has a height greater than a thickness of the substrate.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: May 3, 2022
    Assignee: IHI CORPORATION
    Inventor: Kenji Nishimura
  • Patent number: 11319212
    Abstract: This disclosure is to make it possible to easily stabilize a chlorosilane polymer while preventing a solid chlorosilane polymer from being generated. Disclosed is a method for stabilizing a chlorosilane polymer generated secondarily in a step of a chemical vapor deposition method using chlorosilane-based gas, the method including: a step of bringing alcohol into contact with the chlorosilane polymer, degrading the chlorosilane polymer to alkoxide, hydrogen chloride and hydrogen, and diluting the degraded alkoxide with the alcohol; and a step of performing hydrolysis for the alkoxide.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 3, 2022
    Assignee: IHI Corporation
    Inventors: Yasutomo Tanaka, Yuuta Ootsuka, Wataru Kubota, Masato Ishizaki, Kozue Akazaki