Patents Assigned to Mitsubishi Heavy Industries, Ltd.
  • Publication number: 20240133554
    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: Application
    Filed: August 2, 2023
    Publication date: April 25, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Geoffrey D. Myers, Kenji Miyamoto
  • Publication number: 20240133762
    Abstract: A system which evaluates a reliability of piping connections with gaskets is provided.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 25, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shintaro HONJO, Henry H. REN, Shunsaku MATSUMOTO
  • Patent number: 11964683
    Abstract: A train control device including a control logic generation unit that uses an environmental model defined by the number of a plurality of closed sections constituting a track included in a predetermined control target region, a connection configuration of the closed sections, and the number of trains present on the track, a state of the environmental model being changed discretely according to a combination of a position of one control target train that is the train to be controlled, positions of zero or more other trains, and the presence or absence of reservation for each of the closed sections, and generates a control logic that is a logic for transitioning the state of the environmental model depending on the state of the environmental model so as to satisfy a predetermined condition, and a regeneration instruction unit that instructs the control logic generation unit to regenerate the control logic.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: April 23, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takanobu Handa, Noritaka Yanai, Atsuyoshi Saimen
  • Publication number: 20240125217
    Abstract: A crude oil extraction pump includes: a production pipe having a tubular shape along an axis extending in a vertical direction; a pump rotor extending in a direction of the axis inside the production pipe; and a pump stator which is provided between the production pipe and the pump rotor to surround the pump rotor, wherein the pump rotor includes a plurality of pump shafts which are sequentially connected in the direction of the axis, an impeller which rotates together with the pump shaft to pump crude oil upward, and a thrust collar which protruding radially outward from the pump shaft, and wherein the pump stator includes a tubular stator body and a thrust pad protruding radially inward from an inner peripheral surface of the stator body and supporting the thrust collar from below to be slidable in the circumferential direction.
    Type: Application
    Filed: February 8, 2021
    Publication date: April 18, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shuhei Sasaki, Kimihiko Mitsuda
  • Publication number: 20240122127
    Abstract: A cultivation greenhouse includes: an inner lining that forms a housing space for housing a plant to be a cultivation target, the inner lining tightly sealing the housing space; an outer lining that is disposed on an outer side of the inner lining to house the inner lining, the outer lining forming, with the inner lining, a circulation space for flowing outside air; and a circulation device that circulates air outside the outer lining into the circulation space and discharges the air to outside of the outer lining.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 18, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shohei Akagi, Keiichi Sato, Yutaka Miyamoto, Yoshitaka Shindo
  • Patent number: 11959392
    Abstract: A rotor blade is a rotor blade to be attached to a rotor shaft rotatable about an axis, and includes a blade body extending in a radial direction with respect to the axis and having a blade-shaped cross-section orthogonal to the radial direction; a fillet portion provided on a radial outer side of the blade body and having a hollow portion formed therein; a shroud provided on a radial outer side of the fillet portion and extending in a circumferential direction; and a seal fin projecting from the shroud to an outer circumferential side and extending in a direction intersecting the blade body when viewed from the radial direction. A wall thickness on a suction side of the fillet portion is greater than a wall thickness on a pressure side of the fillet portion on a leading edge side of the blade body as demarcated by an intersection portion between the blade body and the seal fin serving as a boundary.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: April 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tomohiro Ishida, Toshifumi Kanno, Hikaru Kurosaki
  • Patent number: 11962052
    Abstract: A fuel cell module comprises: at least one cell stack including a plurality of single fuel cells supplied with a fuel gas and an oxidizing gas to generate power; a sealable housing accommodating the at least one cell stack and forming a power generation chamber inside the housing; a pressure vessel accommodating the housing; and an oxidizing gas supply pipe for supplying the oxidizing gas to the cell stack. At least one pressure equalizing opening is formed in the housing to allow communication between inside and outside of the housing. The at least one pressure equalizing opening includes only one pressure equalizing opening, or a plurality of pressure equalizing openings in which a distance between a pressure equalizing opening in the highest position and a pressure equalizing opening in the lowest position is within 0.1H, where H is a height of the housing.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Daigo Kobayashi, Hiroyuki Ozawa, Masahiro Mihara, Ryutaro Mori, Takeshi Matsuo, Norihisa Matake
  • Patent number: 11958143
    Abstract: A welding control device includes an actual position determination part configured to determine an actual position of the position control target on the basis of a weld characteristic amount detected from a captured image captured so as to include at least the position control target, the welding characteristic amount including at least one of a wire position of the weld wire or an electrode position of the electrode; a target position determination part configured to determine a target position being a target of the actual position corresponding to a weld condition for welding the weld target; and a position control part configured to execute a position control of the position control target to bring the actual position to the target position.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: April 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yusuke Hazui, Koki Tateishi, Naoki Suda, Kazuhiko Kamo, Masahiro Kimura, Yusuke Sano, Yasushi Nishijima
  • Patent number: 11959394
    Abstract: A suction side fillet portion of a turbine rotor blade includes a central fillet portion located at the center of a length of the suction side fillet portion along an extension direction of the suction side fillet portion, an upstream intermediate fillet portion which is located between the central fillet portion and a front edge that is an upstream end of the suction side fillet portion, and in which a fillet height from an upper surface of a platform portion is higher than a fillet height of the central fillet portion, and a downstream intermediate fillet portion which is located between the central fillet portion and a rear edge that is a downstream end of the suction side fillet portion, and in which a fillet height from the upper surface of the platform portion is higher than the fillet height of the central fillet portion.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: April 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Norifumi Hirata
  • Patent number: 11959398
    Abstract: This composite material blade, which is formed using a composite material including reinforcing fibers and resin, and which has a positive pressure surface and a negative pressure surface, is provided with a ventral part, being the part on the positive pressure surface side in a blade thickness direction, which is the direction joining the positive pressure surface and the negative pressure surface, a dorsal part, being the part on the negative pressure surface side in the blade thickness direction, and a metal shield portion which is provided on the leading edge side, being the upstream side in a flow direction in which a fluid flows, wherein: the metal shield portion includes a main body portion provided on the leading edge side, and an embedded portion which is provided on the trailing edge side, being the downstream side in the flow direction, of the main body portion, and which is provided between the ventral part and the dorsal part; and the plate thickness of the metal shield portion in the blade thick
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: April 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masami Kamiya, Ryoji Okabe, Kentaro Shindo, Takahiro Tachibana
  • Patent number: 11959424
    Abstract: An output corrector is provided with an adjustment coefficient creating unit which creates an adjustment coefficient, an output adjusting unit which adjusts a control output using the adjustment coefficient, and an output accepting unit which accepts an output from an output meter for detecting the output of a gas turbine. The adjustment coefficient creating unit includes a first coefficient element calculating unit which calculates a first coefficient element, a second coefficient element calculating unit which calculates a second coefficient element, and an adjustment coefficient calculating unit which calculates the adjustment coefficient using the first and second coefficient elements. The first coefficient element is the ratio of an immediately preceding output in an immediately preceding time period, to a reference output at a reference time point in the past. The second coefficient element is the ratio of the current output in the current time period, to the immediately preceding output.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: April 16, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naoki Nakata, Hidehiko Nishimura, Jotaro Nakagawa
  • Patent number: 11951546
    Abstract: A manufacturing method of oxidation resistant alloy includes: producing a first formed member by applying compression forming to metal powder; and applying compression forming to the first formed member in a state in which the first formed member is covered with alloy powder different from the metal powder. The oxidation resistance of the major constituent of the alloy powder is higher than the oxidation resistance of the major constituent of the metal powder. Producing the first formed member may include applying the compression forming to the metal powder without melting the metal powder. Applying the compression forming to the first formed member may include: producing a second formed member by applying compression forming to the alloy powder without melting the alloy powder; and sintering the second formed member.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Shintaro Sobu
  • Patent number: 11956355
    Abstract: The control device is configured to communicate with another device via a communication network, and comprises: a key acquisition unit configured to acquire, from a key distribution server via the communication network, an encryption key with a life period for performing encrypted communication with the another device; an encrypted communication processing unit configured to perform the encrypted communication with the another device using the encryption key within the life period; a server state detection unit configured to detect a key acquisition disabled state where acquisition of the encryption key by the key acquisition unit is disabled; and a life extension unit configured to perform extension processing for extending the life period if the key acquisition disabled state is detected.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Minoru Nakaide, Shinichi Toda, Yoshikane Yamanaka
  • Patent number: 11952148
    Abstract: This method is for manufacturing a fan blade rotor which includes an annular rotation support ring around a rotary shaft, a permanent magnet provided alongside the rotation support ring in the radial direction, and a composite material for integrally binding the rotation support ring and the permanent magnet, the method including: a step S1 for arranging the rotation support ring and the permanent magnet side by side in the radial direction; steps S2-S4 for spirally winding, on the rotation support ring and the permanent magnet arranged side by side being as a core, the composite material being an uncured composite material including a reinforcement fiber impregnated with an uncured resin with the fiber direction of the reinforcement fiber set as a longitudinal direction; and a step for curing the resin included in the composite material.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuki Ohashi, Naoaki Fujiwara
  • Patent number: 11952133
    Abstract: A motor-integrated fan having an intake port and a blow-out port comprises a rotary part 12 that is rotatably supported by a shaft, and a motor 14 that rotates the rotary part 12. The motor 14 is an outer periphery drive motor that rotates the rotary part 12 by supplying motive power from a duct provided on the outer peripheral side of the shaft. The motor 14 includes: a permanent magnet 45 provided on a rotary support ring 33 connected to the outer peripheral side of blades 32 of the rotary part 12; and a coil 46 provided opposite the permanent magnet 45 in the axial direction of the axis of rotation. Among the plurality of blades 32, a first blade 32a and a second blade 32b are located at different positions in the axial direction.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Naoaki Fujiwara
  • Patent number: 11953384
    Abstract: A temperature measuring device includes an ultrasonic sensor attached to a rear surface side of the structural body having the multilayer structure, an acquisition unit configured to, through the ultrasonic sensor, acquire a signal of a reflected wave of an ultrasonic wave incident at the internal side of the structural body, an extraction unit configured to extract, from the signal of the reflected wave, a domain including a reflected wave reflected on a surface on the internal side of the structural body, and an identification unit configured to, based on a signal of the reflected wave in the extracted domain, identify the temperature of the surface on the internal side of the structural body.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masaya Kawano, Masahiro Sugihara, Tadashi Kimura, Shinsuke Sato
  • Patent number: 11953206
    Abstract: Provided is a burner of double tube structure including an outer tube and an inner tube. The inner tube includes a tip-side support portion fixed on the outer tube, a base-side support portion fixed on the outer tube, a main body portion supported by the tip-side support portion, bellows interposed between the main body portion and the base-side support portion, and a bulkhead member attached at a position between the tip-side support portion and the base-side support portion. Between an outer peripheral surface of the bulkhead member and an inner peripheral surface of the outer tube, a second gap smaller than a first gap between an outermost peripheral surface of the bellows and the inner peripheral surface of the outer tube is interposed.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mitsuhiro Karishuku, Satoshi Dodo, Yoshitaka Hirata, Tomohiro Asai, Shohei Yoshida, Yasuhiro Akiyama
  • Patent number: 11953598
    Abstract: A laser tracking device includes an adjustment device, a telescope, and a drive device. The adjustment device modifies the emission direction of first light wave. The telescope emits the first light wave in the emission direction modified by the adjustment device. The drive device rotates the telescope based on a predicted path of a moving body. The adjustment device provides more precision in modifying the emission direction of the first light wave than in the drive device rotating the telescope. Further, the adjustment device modifies the emission direction to offset the modification of the emission direction caused by the rotation of the telescope from a time when a tracking start condition is satisfied until the moving body is detected.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Atsushi Ochiai, Koichi Hamamoto, Yoshinori Kamiya
  • Patent number: 11945179
    Abstract: The preset invention is to mold a laminate at a high accuracy by appropriately generating slippage between fiber sheets of the laminate at bending. A method for molding a laminate includes a step in which a plurality of gripping parts, which are arranged apart from each other, grip an area, wherein slippage between fiber sheets is prevented, in a plate-shaped laminate including a plurality of fiber sheets laminated each other; a step in which the plurality of gripping parts grip the area wherein slippage between the fiber sheets is prevented, while maintaining the state wherein relative moving of the area of the laminate and the gripping parts is prevented; and a step in which the gripping parts move so as to subject the laminate to bending.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: April 2, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshiki Kitazawa, Homare Yamato, Masahiko Shimizu, Hiromichi Akiyama, Akihiro Terasaka
  • Patent number: 11946005
    Abstract: A gasification gas treatment facility for treating a gasification gas obtained by gasification of a fuel includes: a first heat exchanger for performing heat exchange between a purified gas obtained by removing at least ammonia and hydrogen chloride from the gasification gas and steam at a saturation temperature; a second heat exchanger for performing heat exchange between the gasification gas and at least condensed water produced by the heat exchange in the first heat exchanger to produce the steam at the saturation temperature; and a circulation system for circulating a circulating fluid including at least one of the steam or the condensed water between the first heat exchanger and the second heat exchanger. The circulation system is configured to supply the circulating fluid including at least the condensed water at the saturation temperature produced in the first heat exchanger to the second heat exchanger.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: April 2, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kaori Yoshida, Rikio Kan, Seiji Kakesako