Patents Assigned to IHI Corporation
  • Publication number: 20240133550
    Abstract: A combustion device includes: an ammonia injection nozzle having an injection port facing an internal space of a furnace; a pulverized coal injection nozzle having an injection port facing the internal space of the furnace; an adjustment mechanism that adjusts an injection flow rate of ammonia from the ammonia injection nozzle; and a control device that controls an operation of the adjustment mechanism in such a manner that the injection flow rate of ammonia from the ammonia injection nozzle is higher than an injection flow rate of pulverized coal from the pulverized coal injection nozzle.
    Type: Application
    Filed: January 3, 2024
    Publication date: April 25, 2024
    Applicant: IHI Corporation
    Inventors: Hiroki ISHII, Ryo HANAOKA
  • Patent number: 11965524
    Abstract: A centrifugal compressor includes: a housing accommodating an impeller; a diffuser flow path formed radially outside the impeller in the housing; and a scroll flow path formed in the housing and connected to the diffuser flow path from a radially-outer side, the scroll flow path extending in a rotational axis direction and a rotational direction of the impeller with respect to the diffuser flow path, the scroll flow path including a radially-inner end located at the radially-innermost position, and the radially-inner end being spaced apart from the diffuser flow path with respect to a middle point of the maximum flow path width of the scroll flow path in the rotational axis direction.
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: April 23, 2024
    Assignee: IHI Corporation
    Inventor: Katsunori Tokieda
  • Publication number: 20240125900
    Abstract: A road surface condition determination system includes: a ranging sensor that is installed at a predetermined position on a vehicle, emits light toward a road surface in a measurement area around the vehicle and receives reflected light of the emitted light, and measures a distance to the road surface based on a light reception state of the reflected light; and a determination unit that determines that the road surface is wet when the reflected light is not received by the ranging sensor, or when a measurement value measured by the ranging sensor is longer than a predetermined value.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Applicant: IHI Corporation
    Inventor: Yoshio KATSUKI
  • Publication number: 20240125245
    Abstract: A turbocharger includes an actuator housing in which an actuator that drives a movable member is disposed, a compressor housing disposed adjacent to the actuator housing, and a through hole formed in the actuator housing in an area closer to the compressor housing and extending in a vertically downward direction when the actuator housing is mounted.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Applicant: IHI Corporation
    Inventors: Jinhee BYON, Masashige TAKAHASHI
  • Patent number: 11958138
    Abstract: A joint method includes a groove formation step of removing part of a first projection and part of the second projection to form a groove region between the first projection and the second projection, a first welding step of joining a first member and a second member to each other by butt welding, and a second welding step of filling the groove region by buildup welding. The groove formation step forms a first inclined surface in the first projection facing the groove region to be gradually distant from a joint position joined with the second projection so as to be closer to an outer surface of the first projection, and forms a second inclined surface in the second projection facing the groove region to be gradually distant from the joint position joined with the first projection so as to be closer to an outer surface of the second projection.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: April 16, 2024
    Assignee: IHI Corporation
    Inventors: Eriko Hato, Shoichi Nonomura, Naoyuki Matsumoto, Tetsurou Yamazaki, Tomohiro Sugino, Koutarou Inose
  • Patent number: 11959638
    Abstract: A boiler performs mixed-fuel combustion of a sulfur-containing fuel and ammonia as a fuel, and includes a furnace having a plurality of wall parts, a burner installed on at least one of the wall parts of the furnace, and an ammonia injection port that is configured to cause the ammonia to be burned as the fuel to flow along an inner wall surface of the wall part where the burner is not installed.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: April 16, 2024
    Assignee: IHI Corporation
    Inventors: Juwei Zhang, Takamasa Ito, Sakiko Ishihara
  • Publication number: 20240117763
    Abstract: A gas turbine system includes: a combustor; an intake flow passage connected to the combustor; an exhaust flow passage connected to the combustor; a compressor provided in the intake flow passage; a turbine provided in the exhaust flow passage; an ammonia tank; and a hydrogen generator-separator having an ammonia supply port connected to the ammonia tank and a hydrogen discharge port connected to the combustor, the hydrogen generator-separator being arranged on a downstream side of the turbine in the exhaust flow passage or on a downstream side of the compressor in the intake flow passage, the hydrogen generator-separator including an ammonia cracking catalyst and a hydrogen separation membrane.
    Type: Application
    Filed: December 19, 2023
    Publication date: April 11, 2024
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Toshiro FUJIMORI, Wonyoung CHOI, Masahiro UCHIDA
  • Publication number: 20240110261
    Abstract: A TiAl alloy is provided with 47 at % or more and 50 at % or less of Al, 1 at % or more and 2 at % or less of Nb, 2 at % or more and 5 at % or less of Zr, 0.05 at % or more and 0.3 at % or less of B, and the balance being Ti and inevitable impurities.
    Type: Application
    Filed: November 28, 2023
    Publication date: April 4, 2024
    Applicant: IHI Corporation
    Inventors: Yutaro OTA, Yuto MIYAZAWA, Keiji KUBUSHIRO
  • Publication number: 20240113520
    Abstract: An energy consumption prediction device includes: a storage unit configured to store past energy consumption result data of a target facility in correlation with information for identifying a date and time at which the data has been acquired and incidental information which is information related to an operation situation of the target facility when the data has been acquired; an extraction unit configured to extract data in which the incidental information matches an extraction condition designated by a user from the energy consumption result data stored in the storage unit and to generate prediction data which is used to predict an amount of consumed energy; and a prediction data generating unit configured to generate energy consumption prediction data in accordance with an instruction from the user based on the prediction data.
    Type: Application
    Filed: May 31, 2022
    Publication date: April 4, 2024
    Applicant: IHI CORPORATION
    Inventors: Yuji KOGUMA, Kenichi HAMAGUCHI, Akinobu INAMURA, Sho KAZIKURA
  • Patent number: 11946480
    Abstract: A centrifugal compressor includes: a housing including an intake flow path; a compressor impeller arranged in the intake flow path; a movable portion arranged upstream of the compressor impeller in a flow of an intake air; and a groove formed in an area other than a surface located on a downstream side in the flow of the intake air in the movable portion.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: April 2, 2024
    Assignee: IHI Corporation
    Inventors: Atsushi Yonemura, Ryota Sakisaka, Yudai Kaneko, Takahiro Bamba
  • Publication number: 20240101384
    Abstract: A stacking apparatus of a sheet-shaped workpiece includes a pick-and-place machine that holds and picks up a sheet-shaped workpiece cut out from a sheet material and places the workpiece onto a stacking position to stack sequentially, a detector that is provided in the pick-and-place machine and detects a position of the workpiece in a lifted state by the pick-and-place machine and a controller that controls the pick-and-place machine. The controller calculates a position shift of the workpiece based on the position of the workpiece detected by the detector and adjusts, based on the calculated position shift, a holding position of a workpiece by the pick-and-place machine in a future operation.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Applicant: IHI Corporation
    Inventor: Shotaro SUZUKI
  • Publication number: 20240102614
    Abstract: Provided is a liquid tank, including: a cylindrical seamless tank body having both end portions being reduced in diameter toward respective end sides; and a plurality of annular baffles provided inside the tank body and arranged at intervals in an axial direction of the tank body, in which at least one of the plurality of baffles is held on an inner peripheral surface of the tank body.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 28, 2024
    Applicants: IHI Corporation, MJOLNIR SPACEWORKS Co., Ltd.
    Inventors: Yoshiki SAKAGUCHI, Masahiko YAMAZAKI, Shinichi MISHIMA, Thibault BAGNOL, Mitsunori ITOH, Tor VISCOR
  • Patent number: 11941982
    Abstract: A vehicle guidance device includes: at least one light reflector including: a retroreflector configured to reflect laser light for distance measurement emitted from a vehicle for autonomous driving; and a reflection setter configured to set either a first state in which the laser light is retroreflected from the retroreflector toward the vehicle, or a second state in which the laser light is not retroreflected from the retroreflector toward the vehicle, and a controller configured to cause the reflection setter to set the first state by setting a target position of the vehicle associated with the light reflector and cause the reflection setter to set the second state after the vehicle arrives at the target position.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: March 26, 2024
    Assignee: IHI CORPORATION
    Inventor: Motonao Niizuma
  • Patent number: 11940005
    Abstract: A radial foil bearing includes a bearing housing which has an insertion hole therein, a top foil which is disposed inside the insertion hole, and a foil structure which is interposed between the top foil and the bearing housing, the foil structure has a folded protruding portion that is bent outward in a radial direction of the insertion hole and is bent back inward in the radial direction, and the folded protruding portion is fitted to a fitting groove formed in an end surface of the bearing housing in an axial direction, the axial direction being a direction in which the insertion hole extends.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: March 26, 2024
    Assignee: IHI CORPORATION
    Inventor: Naomichi Omori
  • Patent number: 11939923
    Abstract: Provided is a liquid fuel injection body capable of further reducing a film thickness of an injected liquid fuel.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: March 26, 2024
    Assignee: IHI CORPORATION
    Inventor: Nagayoshi Hiromitsu
  • Publication number: 20240097485
    Abstract: Economic efficiency in power control including transmission and reception of electric power to and from an external power market is improved. An EMS serving as a power control device that is able to transmit and receive electric power to and from a power market and controls operations of one or more power instruments includes: a host control unit serving as a transmitted/received electric power determining unit configured to determine an amount of transmitted/received electric power which is an amount of electric power transmitted to and received from the power market based on a power-market unit price in the power market and information related to an operating situation of the one or more power instruments; and an intra-grid control unit serving as an operation instruction determining unit configured to determine an operation instruction for the one or more power instruments based on the determined amount of transmitted/received electric power.
    Type: Application
    Filed: August 10, 2023
    Publication date: March 21, 2024
    Applicant: IHI CORPORATION
    Inventors: Toshinobu ARIMURA, Akinobu INAMURA, Misako KONISHI, Kenichi HAMAGUCHI
  • Patent number: 11933673
    Abstract: A heat source detection device is a heat source detection device that detects a heat source on the earth using observation data of a radiometer provided in a geostationary satellite and includes: a calculation unit that calculates a heat source proportion value indicating a proportion of a wavelength distribution due to the heat source included in the observation data to the observation data by curve fitting using Planck's law; and a determination unit that determines presence or absence of the heat source according to the heat source proportion value calculated by the calculation unit.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 19, 2024
    Assignee: IHI Corporation
    Inventors: Chiharu Sasagawa, Takashi Ogai
  • Patent number: 11933294
    Abstract: A pump system includes a triple-gear pump which pressurizes a fluid using three gears; an outlet flow path which guides the fluid from a first pressure-increasing portion to an outlet; a first flow path which guides the fluid from the first pressure-increasing portion to a second pressure-increasing portion; a second flow path which guides the fluid from the second pressure-increasing portion to the outlet flow path; a third flow path connected to the first flow path and the second flow path; a first valve device provided in the first flow path; a second valve device provided in the second flow path, and a control device which controls the first valve device. When the first pressure-increasing portion and the second pressure-increasing portion are switched from a parallel state to a series state, the control device causes the first valve device to open after the second valve device is closed.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: March 19, 2024
    Assignee: IHI Corporation
    Inventor: Seiei Masuda
  • Patent number: 11934746
    Abstract: An information generation device generating a test case being a simulation model for reproducing a road traffic condition in an area on a road including a target point, the information generation device including: a first storage unit that stores moving-object information being information regarding a moving object existing in the area; a determination unit that determines whether or not an incident in which the moving object existing in the area shows a behavior that leads to occurrence of an accident has occurred, on the basis of the moving-object information; an extraction unit that extracts, as target information, moving-object information in a target period being a predetermined time period including a time point at which the incident occurred; and a generation unit that generates the test case upon occurrence of the incident on the basis of the target information.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: March 19, 2024
    Assignee: IHI CORPORATION
    Inventors: Yoshihisa Yamanouchi, Yosuke Seto, Minori Orita, Hiroki Saito, Takeharu Kato
  • Publication number: 20240084714
    Abstract: A centrifugal compressor includes: a housing including an intake flow path; a compressor impeller arranged in the intake flow path and including a plurality of blades; an accommodation chamber formed upstream of the blades in a flow of intake air in the housing; a movable member arranged in the accommodation chamber and movable to a protruding position where the movable member protrudes into the intake flow path and to a retracted position where the movable member is retracted from the intake flow path; a plurality of slits formed closer to the blades with respect to the accommodation chamber in the housing and connected to the intake flow path; a plurality of compartment walls circumferentially separating the plurality of slits; and an outer circumferential wall connecting radially outer ends of the plurality of compartment walls.
    Type: Application
    Filed: November 6, 2023
    Publication date: March 14, 2024
    Applicant: IHI Corporation
    Inventors: Atsushi YONEMURA, Ryota SAKISAKA, Yoichi SATO, Taiki KANZAWA