Patents Assigned to IHI Corporation
  • CENTRIFUGAL COMPRESSOR
    Publication number: 20220381255
    Abstract: A centrifugal compressor includes: an impeller provided in a housing; a throttling portion provided in front of the impeller in the housing; an actuator rod connected to an actuator and including a plate portion including a plane at its end; and a connecting portion connected to the throttling portion and including a pair of projections facing each other across the plate portion in an axial direction of the actuator rod.
    Type: Application
    Filed: August 8, 2022
    Publication date: December 1, 2022
    Applicant: IHI Corporation
    Inventors: Atsushi YONEMURA, Ryota SAKISAKA
  • DAMAGE EVALUATION DEVICE AND DAMAGE EVALUATION METHOD
    Publication number: 20220381741
    Abstract: A damage evaluation device includes: a phased array probe that irradiates an ultrasonic signal from a surface of an inspection metal toward an inside of the inspection metal and detects a reflection signal reflected in a predetermined region inside the inspection metal; and an arithmetic processor. The arithmetic processor sets planes parallel to each other in an inspection region, calculates pixel data by quantifying the reflection signal from segments set in each of the planes; calculates a scattering degree of the pixel data, and evaluates damage of the inspection metal based on the scattering degree.
    Type: Application
    Filed: August 3, 2022
    Publication date: December 1, 2022
    Applicant: IHI CORPORATION
    Inventors: Yuuki NAGAI, Masahiro HATO, Hiroaki HATANAKA
  • CENTRIFUGAL COMPRESSOR
    Publication number: 20220372977
    Abstract: A centrifugal compressor includes: a scroll housing including a scroll flow path; a shroud piece attached to the scroll housing at a position radially inside the scroll flow path and including a shroud portion that faces a compressor impeller in a radial direction; and a throttling portion arranged in a gap formed between the scroll housing and the shroud piece.
    Type: Application
    Filed: August 2, 2022
    Publication date: November 24, 2022
    Applicant: IHI Corporation
    Inventors: Takahiro UENO, Atsushi YONEMURA, Ryota SAKISAKA
  • Coating and method for forming the same
    Patent number: 11504738
    Abstract: A coating is formed on a surface of a base material of a furnace, and includes a base layer and a sliding material layer that is formed on a surface of the base layer and contains an oxide ceramic and a compound having a layered crystal structure. The sliding material layer causes the collided ashes to be slipped and facilitates the drop off of the adhered ashes. The base material forms a heat transfer tube or a wall surface of the furnace. The coating is also applied to a coal gasification furnace, a pulverized coal fired boiler, a combustion apparatus, or a reaction apparatus containing a furnace.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: November 22, 2022
    Assignees: IHI Corporation, TOCALO Co., Ltd
    Inventors: Naoki Sato, Nobuhiko Kubota, Koki Hamada, Tatsuo Suidzu, Kazuhiro Takeuchi
  • COMBUSTOR FOR ROCKET ENGINE
    Publication number: 20220364529
    Abstract: The combustor for a rocket engine includes a combustion room configured to cause a combustion reaction between a fuel and an oxidant, an injector configured to inject the fuel and the oxidant into the combustion room, and a nozzle skirt configured to inject combustion gas generated by the combustion reaction to an outside, and an inertance increasing portion configured to increase an equivalent inertance in a vibration equivalent circuit of the combustor for the rocket engine.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventors: Yasuhiro ISHIKAWA, Shinji ISHIHARA, Hatsuo MORI
  • BEARING AND TURBOCHARGER
    Publication number: 20220364573
    Abstract: A semi-floating bearing (bearing) including: a main body, which has an annular shape, extends in a direction intersecting with a vertical direction, and has a shaft inserted through the main body; a radial bearing surface formed on an inner peripheral surface of the main body; and a plurality of oil supply grooves, which extend in an axial direction of the main body, are formed in the radial bearing surface at positions excluding a lowermost portion of the radial bearing surface in the vertical direction at intervals in a circumferential direction, and are arranged so as to be line-symmetric with each other with respect to a vertical axis in a cross section orthogonal to the axial direction of the radial bearing surface such that the interval between the oil supply grooves in the circumferential direction is the largest on a vertically lower side.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Ryohei KITAMURA, Hayata SAKAIDA, Kazuaki IWATA, Takehiko KATO
  • SOLAR PANEL CLEANING SYSTEM AND CLEANING PATH GENERATION DEVICE
    Publication number: 20220368280
    Abstract: A solar panel cleaning system includes a detection traveling vehicle configured to travel on a solar panel and detect dirt on the solar panel, a map generation part configured to generate a dirt map including a dirt position of the dirt on the solar panel, a cleaning path generation part configured to generate a cleaning path for performing cleaning of the solar panel, and a cleaning traveling vehicle configured to travel on the solar panel on the basis of the generated cleaning path and perform cleaning of the solar panel.
    Type: Application
    Filed: May 2, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventor: Kenji NISHIMURA
  • CORRELATION DERIVING METHOD AND CORRELATION DERIVING DEVICE
    Publication number: 20220364722
    Abstract: Provided is a correlation deriving method including the steps of: generating coal ash by incinerating coal; generating sintered ash by heating the coal ash at a predetermined heating temperature within a range of a combustion temperature of a coal burning boiler; measuring hardness of the sintered ash; measuring an exhaust gas temperature exhibited when coal which is to have the hardness is burnt in the coal burning boiler; and deriving a correlation between the hardness and the exhaust gas temperature.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicants: IHI Corporation, IHI INSPECTION AND INSTRUMENTATION CO., LTD.
    Inventors: Hirotaka KAWABE, Kenjiro CHIE, Junichi SHIGETA
  • MULTILOBE BEARING
    Publication number: 20220364592
    Abstract: A semi-floating bearing (multilobe bearing) including: an annular main body through which a shaft is inserted; and a radial bearing surface formed on an inner peripheral surface of the main body, the radial bearing surface including a plurality of arc surfaces having different curvature centers and disposed adjacent to each other in a circumferential direction of the main body, and a minimum distance Ra between a central axis of the shaft and the arc surface, a curvature radius Rb of the arc surface, and a radius Rs of the shaft satisfying relationships expressed by the following Formulas (1) and (2). Ra/Rs?1.001 . . . (1), (Rb?Ra)/0.9?(Rb?Rs)?(Rb?Ra)/0.6 . . . (2) provided that Ra is the minimum distance between the central axis of the shaft and the arc surface, Rb is the curvature radius of the arc surface, and Rs is the radius of the shaft.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicant: IHI Corporation
    Inventors: Yutaka UNEURA, Shunsuke NISHII, Hiroki MOCHIZUKI
  • Welding method of diffusion bonded structure
    Patent number: 11498145
    Abstract: A welding method of a diffusion bonded structure in which the diffusion bonded structure formed by diffusion bonding metal parts to each other is bonded to another part by fusion welding includes a buffer layer forming step of forming a buffer layer in a welding region including a diffusion bonded joint of the diffusion bonded structure, the buffer layer having greater ductility than the diffusion bonded joint, and a welding step of bonding the welding region in which the buffer layer is formed to the another part by performing the fusion welding from above the buffer layer.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: November 15, 2022
    Assignee: IHI CORPORATION
    Inventors: Kunitaka Masaki, Rie Harada, Nagisa Hosoya, Takaaki Matsuoka, Yutaka Mizo
  • Linear friction-joining device and linear friction-joining method
    Patent number: 11498154
    Abstract: The present disclosure provides a linear friction joining device which includes: a pressing device for pressing a second member onto a first member in a pressing direction; a vibrator for relatively vibrating the first member and the second member; a controller which is configured to bring the second member into contact with the first member by a position control, which depends on a measurement result of position sensors, to change the position control to a load control, which depends on a measurement result of load sensors, and to increase a pressing load toward a joining load; and a joining load reaching time adjuster which is configured to adjust a length of a joining load reaching time which is between the time when the position control is changed to the load control and the time when the pressing load reaches the joining load.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: November 15, 2022
    Assignee: IHI Corporation
    Inventors: Takafumi Fujita, Yasushi Dodo, Kazunori Tokue
  • Sound-absorbing panel and manufacturing method for same
    Patent number: 11498306
    Abstract: A sound-absorbing panel to be used affixed to a jet engine of an aircraft, provided with: a resin core layer having a first surface, a second surface disposed on the side opposite from the first surface, and multiple partitions extending between the first surface and second surface so as to partition multiple cells; a resin first skin layer laminated on the first surface of the core layer; and a resin second skin layer laminated on the second surface of the core layer. The first skin layer is disposed so as to face the external space while in use, and has multiple through-holes for providing communication between internal spaces of the multiple cells and external space faced by the first skin layer. The core layer has openings for providing communication between the internal spaces of the multiple cells and external space of the core layer.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 15, 2022
    Assignees: IHI CORPORATION, JAPAN AEROSPACE EXPLORATION AGENCY, GIFU PLASTIC INDUSTRY CO., LTD.
    Inventors: Tsutomu Oishi, Masahiro Hojo, Shingo Shibagaki
  • TRAVEL ROUTE GENERATION DEVICE AND CONTROL DEVICE
    Publication number: 20220355823
    Abstract: A travel route generation device (4) includes a travel route acquisition unit (4) configured to acquire position information (Pc) about a travel route (H) for a moving object (M) to perform autonomous travel or remotely controlled travel, a surrounding environment information acquisition unit (22) configured to acquire surrounding environment information, a dangerous location detection unit (23) configured to detect dangerous locations (Pd1 to Pd3) where there is a risk of an accident from the surrounding environment information, and an information processing unit (24) configured to add dangerous location information including first information indicating the dangerous locations (Pd1 to Pd3) to the position information (Pc) corresponding to the dangerous locations (Pd1 to Pd3).
    Type: Application
    Filed: June 17, 2020
    Publication date: November 10, 2022
    Applicant: IHI CORPORATION
    Inventor: Satoru TAGAWA
  • COOLING SYSTEM FOR FLUID TO BE COOLED
    Publication number: 20220357080
    Abstract: A cooling system includes a compressor configured to pressurize carbon dioxide to form pressurized carbon dioxide, a mixer configured to generate mixed refrigerant in which the pressurized carbon dioxide and solvent in a liquid state, a depressurization apparatus provided downstream from the mixer and configured to depressurize the mixed refrigerant, a separator configured to separate carbon dioxide in a gas state from the mixed refrigerant, a heat exchanger configured to exchange heat between the mixed refrigerant cooled through depressurization and a fluid to be cooled, and a second heat exchanger configured to cool the carbon dioxide or the mixed refrigerant using vaporized carbon dioxide or the mixed refrigerant.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Applicant: IHI Corporation
    Inventors: Kimihiro SAWA, Hiromichi NOMA, Taiga YAMAMOTO
  • DRIVE CONTROL SYSTEM
    Publication number: 20220355806
    Abstract: A drive control system (S) includes a measurement portion (1) configured to detect an obstacle (R) in a transportation vehicle (T), and a load collapse determination portion (4) configured to acquire an arrangement of a transportation target (C) loaded on the transportation vehicle (T) based on measurement data of the measurement portion (1) to determine a load collapse of the transportation target (C) based on a change in the arrangement over time.
    Type: Application
    Filed: June 9, 2020
    Publication date: November 10, 2022
    Applicant: IHI CORPORATION
    Inventor: Yoshio KATSUKI
  • Turbine
    Patent number: 11492916
    Abstract: A turbine includes: an inner diameter side exhaust flow path; an outer diameter side exhaust flow path having a flow path cross-sectional area smaller than a flow path cross-sectional area of the inner diameter side exhaust flow path; an inner diameter side bypass flow path connecting the inner diameter side exhaust flow path and a discharge flow path; and an outer diameter side bypass flow path connecting the outer diameter side exhaust flow path and the discharge flow path, the outer diameter side bypass flow path having a flow path cross-sectional area larger than a flow path cross-sectional area of the inner diameter side bypass flow path.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: November 8, 2022
    Assignee: IHI Corporation
    Inventors: Isao Morita, Wataru Sato
  • Bearing and turbocharger
    Patent number: 11493052
    Abstract: A full-floating bearing includes: an outer peripheral groove having a groove width larger than a value of 0.69, which is a value obtained by subtracting a chamfer width as a width of a chamfered portions in a center axis direction and the groove width as a width of the groove in the center axis direction from a total width being a width of a main body in the center axis direction and dividing a net width by a total width.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: November 8, 2022
    Assignee: IHI Corporation
    Inventors: Koji Hashimoto, Kiyokazu Iizuka, Eunseok Choi, Michihiko Tanigaki, Yutaka Uneura
  • Information processing system
    Patent number: 11493352
    Abstract: An information processing system according to one embodiment includes: a provision unit configured to transmit to a user terminal an incentive list indicating one or more incentives provided by one or more facilities; a receiving unit configured to receive from the user terminal an incentive selected from the incentive list by a user of the user terminal; and a request unit configured to transmit a reservation request for reserving a power transmitting device of a corresponding facility which is the facility corresponding to the selected incentive for a vehicle corresponding to the user, to the corresponding facility.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: November 8, 2022
    Assignee: IHI CORPORATION
    Inventor: Eiichiro Fujiwara
  • IMAGE CLASSIFICATION DEVICE, IMAGE CLASSIFICATION METHOD, AND IMAGE CLASSIFICATION PROGRAM
    Publication number: 20220343632
    Abstract: An image classification device, an image classification method, and an image classification program determine a classification label of an image of an object, by two-stage recognition based on a first model and a second model. If a first label calculated based on the image and the first model is not a predetermined label, the first label is set as the classification label of the image. If the first label is the predetermined label, a second label calculated based on the image and the second model is set as the classification label of the image.
    Type: Application
    Filed: July 11, 2022
    Publication date: October 27, 2022
    Applicant: IHI Corporation
    Inventors: Hitoshi HATTORI, Masaya KURIBARA, Kazuo YONEKURA, Koji TOKUNAGA
  • HYDROCARBON GENERATION SYSTEM AND HYDROCARBON GENERATION METHOD
    Publication number: 20220332663
    Abstract: A hydrocarbon generation system includes a first generation apparatus configured to generate a hydrocarbon with two or more carbon atoms from a first raw material containing: at least one of carbon monoxide or carbon dioxide; and hydrogen. The hydrocarbon generation system includes a second generation apparatus configured to generate methane from a second raw material including: hydrogen; and at least one of carbon monoxide or carbon dioxide contained in the first raw material and discharged from the first generation apparatus.
    Type: Application
    Filed: July 5, 2022
    Publication date: October 20, 2022
    Applicant: IHI CORPORATION
    Inventors: Hiroyuki KAMATA, Wonyoung CHOI, Toshiyuki SUDA, Kentaro NARIAI