Patents Assigned to Mitsubishi Heavy Industries, Ltd.
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Patent number: 11767977Abstract: A combustor includes an outer cylinder, a combustor liner, a plurality of main nozzles, an air flow channel part, and a plurality of water injection parts. The air flow channel part sends air introduced from an outside to between an inner peripheral surface of the outer cylinder and an outer peripheral surface of the combustor liner into the combustor liner. The plurality of water injection parts are provided on the inner peripheral surface of the outer cylinder at intervals in a circumferential direction around a central axis. The plurality of water injection parts inject water into the air flowing through the air flow channel part. The water injection part includes a first nozzle and a second nozzle. The first nozzle injects water to a first side in the circumferential direction. The second nozzle injects water to a second side in the circumferential direction.Type: GrantFiled: March 16, 2020Date of Patent: September 26, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kozo Aoki, Toshihiko Saito
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Patent number: 11768503Abstract: A device is for estimating a position of a vehicle equipped with a laser scanner capable of acquiring point cloud data by scanning a laser beam and a camera capable of acquiring an image in a predetermined direction. The device includes an acquisition unit configured to acquire the point cloud data and the image, an estimation unit configured to estimate the position based on the point cloud data or the image, and an extraction unit configured to extract, from the point cloud data, valid point cloud data that is usable for estimating the position. The estimation unit is configured to estimate the position using: (i) the valid point cloud data if a number of pieces of valid point cloud data is equal to or greater than a predetermined number; and (ii) the image if the number of pieces of valid point cloud data is less than the predetermined number.Type: GrantFiled: January 26, 2021Date of Patent: September 26, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Katsumasa Kitajima, Yusuke Kinouchi, Takumi Fujita
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Patent number: 11768087Abstract: A detection device is for detecting a passage timing of a turbine blade. This detection device is provided with: a sensor including a magnet and a coil that is disposed at a position subject to magnetic flux generated by the magnet and is configured to detect an induced electromotive force based on a change in the magnetic flux accompanying passage of the turbine blade; and an analyzer configured to detect the passage timing of the turbine blade, on the basis of an integrated signal obtained by integrating a signal based on the induced electromotive force.Type: GrantFiled: September 30, 2020Date of Patent: September 26, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroki Takeda, Kazuhiro Tamura, Keiichiro Miyajima
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Patent number: 11769322Abstract: A program creation device includes training data including image data, a setting unit configured to set information of a frame specifying a region for each cell for detecting the presence or absence of the object from the image, and a learning unit configured to execute machine learning of the training data and to create a learned program for extracting the object from the image. The setting unit acquires information on a target region of the training data and on aspect ratios of the anchor, calculates a degree of matching between the anchor and the target region for each aspect ratio while changing a size of the anchor, and calculates an adoption rate of the target region whose degree of matching is a proportion no less than a threshold, and determines, based on a result of the calculation, the size of the anchor used in the learned program.Type: GrantFiled: February 8, 2021Date of Patent: September 26, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Satoshi Iio, Kiichi Sugimoto, Kenta Nakao
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Publication number: 20230294967Abstract: A forklift includes a vehicle including a pair of straddle legs extending forward from a lower part of a vehicle body and provided at an interval in a vehicle width direction, a cargo handling device including a mast provided between the pair of straddle legs and extending in an up-down direction, a lift bracket provided at the mast such that the lift bracket is capable of being raised and lowered, and a pair of forks extending forward from the lift bracket, a reach mechanism including an advance/retract drive unit capable of performing advance/retract drive in a front-back direction on each of the pair of straddle legs, and a coupling portion coupling the mast and the advance/retract drive unit, in which the coupling portion includes a protrusion provided at one of the advance/retract drive unit and the mast and extending in the up-down direction toward the other of the advance/retract drive unit and the mast, and an accommodating portion provided at the other of the advance/retract drive unit and the mast aType: ApplicationFiled: February 24, 2023Publication date: September 21, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Naoto Kawauchi, Tatsuya Sato, Tetsuhei Kobayashi, Megumu Tsuruta, Kensuke Futahashi
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Publication number: 20230294966Abstract: An information processing method includes acquiring information on a first route being a travel route of a first mobile body during a first time period and information on a second route being a travel route of a second mobile body during a second time period after the first time period, and setting a route for standby position as a travel route of the first mobile body during a third time period after the first time period and before the second time period when a target position of the first route is located on the second route. The route for standby position is a route from the target position to a standby position. The standby position is a position not overlapping with the second route.Type: ApplicationFiled: March 8, 2023Publication date: September 21, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Minoru MATSUO, Kenji TAKAO, Atsuyoshi SAIMEN
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Publication number: 20230299326Abstract: A redox flow battery includes: a cell having a first chamber and a second chamber separated by a membrane; a first tank for storing a first electrolytic solution; a first circulation device for circulating the first electrolytic solution between the first chamber and the first tank; a second tank for storing a second electrolytic solution; and a second circulation device for circulating the second electrolytic solution between the second chamber and the second tank. Each of the first electrolytic solution and the second electrolytic solution contains an active material, and at least one of the active material contained in the first electrolytic solution or the active material contained in the second electrolytic solution is a quinone multimer in which a plurality of quinones are connected via an alkyl chain or a hydroquinone multimer in which a plurality of hydroquinones are connected an alkyl chain.Type: ApplicationFiled: June 2, 2021Publication date: September 21, 2023Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., NAGOYA DENKI EDUCATIONAL FOUNDATIONInventors: Koichiro Hirayama, Toshiyasu Kiyabu, Yasushi Morita, Tsuyoshi Murata, Aya Ito
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Publication number: 20230296115Abstract: A rotary machine includes a rotary shaft that rotates around an axis, a plurality of rotor blades arranged on an outer peripheral side of the rotary shaft in a circumferential direction in which the rotor blade has a blade root, a platform, and a blade main body; and each damper member provided radially inward of the platform, in which the platform includes a first end surface that faces one side in the circumferential direction, and a second end surface that faces the other side in the circumferential direction so that the second end surface faces the first end surface of the adjacent other platform, and the damper member includes a first damper provided on the first end surface and having a first abutting surface, a second damper that has a second abutting surface slidably abutting the first abutting surface of the first damper and is abuttable on the second end surface, and an elastic member that bonds together the first damper and the second damper.Type: ApplicationFiled: December 19, 2022Publication date: September 21, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventor: Nanoha Ikeuchi
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Publication number: 20230296392Abstract: An information processing device includes a movement destination information acquisition unit configured to acquire movement destination information indicating a position of a movement destination, a route setting unit configured to set a route to the movement destination for a mobile body based on the movement destination information, and an event acquisition unit configured to acquire event information indicating that an event unexpected at a time of setting the route has occurred for the mobile body moving along the route. The route setting unit sets a next route of the mobile body based on the event information.Type: ApplicationFiled: March 9, 2023Publication date: September 21, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Atsuyoshi SAIMEN, Kenji TAKAO
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Publication number: 20230296385Abstract: An information processing method includes acquiring obstacle information from a mobile body moving along a route to a target position, the obstacle information indicating that an obstacle is present on the route, and setting an updated route leading to an updated position as a route for the mobile body upon receipt of the obstacle information, the updated position being a position different from the target position.Type: ApplicationFiled: March 6, 2023Publication date: September 21, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kenji TAKAO, Atsuyoshi SAIMEN
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Publication number: 20230297112Abstract: An information processing method includes acquiring position information of a failed mobile body, and setting a recovery route based on the position information of the failed mobile body, the recovery route being a route leading to the failed mobile body for recovering a recovery target by a recovery mobile body, the recovery mobile body being a mobile body other than the failed mobile body.Type: ApplicationFiled: December 27, 2022Publication date: September 21, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kenji TAKAO, Atsuyoshi SAIMEN
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Patent number: 11764700Abstract: A power supply circuit is provided with: an AC voltage supply part; and one or more Cockcroft-Walton circuits. The one or more Cockcroft-Walton circuits include a plurality of output terminals and are supplied with an AC voltage from the AC voltage supply part. The plurality of output terminals are configured to output different DC potentials for each output terminal according to a magnitude of the AC voltage.Type: GrantFiled: October 26, 2020Date of Patent: September 19, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventor: Hideaki Emoto
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Patent number: 11763958Abstract: Provided are a composite material structure obtained by joining composite materials with resin-impregnated reinforcing fibers, for which appropriate lightning proofing measures are taken, and a method for manufacturing the composite material structure. The composite material structure includes a first composite material, a second composite material, and a low-conductivity material. The first composite material includes a conductive first reinforcing fiber and a first resin impregnated into the first reinforcing fiber. The second composite material is integrated with the first composite material, and has a conductive second reinforcing fiber and a second resin impregnated into the second reinforcing fiber.Type: GrantFiled: January 23, 2019Date of Patent: September 19, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Toshiya Araki, Tomoo Takizawa, Hiroaki Yamaguchi, Toshinobu Muraki, Shunsuke Yoshino
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Patent number: 11764383Abstract: A single fuel cell according to the present disclosure includes a power generation section, a power non-generation section which does not include the power generation section, and an oxygen-ion-insulating gas seal film arranged so as to cover the surface of the power non-generation section, and the gas seal film is configured by a structure formed by firing a material containing MTiO3 (M: alkaline earth metal element) and metal oxide. The structure may include a first structure and a second structure which are different in composition, the first structure may include components derived from MTiO3 in larger amounts than the second structure, the second structure may include a metal element contained in the metal oxide in a larger amount than the first structure, and the area ratio of the second structure in the structure may be not less than 1% and not more than 50%.Type: GrantFiled: April 18, 2022Date of Patent: September 19, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Shigenori Suemori, Kenichi Hiwatashi, Shin Yoshida
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Patent number: 11760074Abstract: This mold for prepreg lamination includes a first surface only having a surface flat along one direction; second surfaces having a surface flat along the one direction and disposed at a predetermined angle with respect to the first surface; and a third surface with a cross-sectional shape, which is a surface yielded from a cut in an orthogonal direction to the one direction, that is an arc, and with one end side connected to the first surface and the other end side connected to the second surface. First bend sections having a protruding shape are formed on the second surface and the third surface and serve as boundaries, and one of the surfaces is slanted relative to the other surfaces. On the third surface, the diameter of the arc on the other surface becomes gradually smaller as further away from the first bend section along the one direction.Type: GrantFiled: April 23, 2019Date of Patent: September 19, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuki Ishida, Masahiko Shimizu, Kohei Muto, Akihito Suzuki, Kenji Murakami, Tsuyoshi Okawara
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Publication number: 20230288238Abstract: The sensor of a fluid sensor system includes an outer peripheral sensor unit including three or more sensor pairs to surround and sandwich the heating element. The computing device of the system includes a first identification unit identifies a sensor pair in which an output difference between an output value corresponding to a temperature detected by one temperature sensor of the sensor pair and an output value corresponding to a temperature detected by the other temperature sensor of the sensor pair is largest, a second identification unit identifies other sensor pairs adjacent to the identified sensor pair in the circumferential direction, and a flow direction estimation unit estimates the flow direction of the fluid on the basis of the output difference in the sensor pair having the largest output difference and output differences in the other sensor pairs adjacent to the sensor pair in the circumferential direction.Type: ApplicationFiled: February 28, 2023Publication date: September 14, 2023Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo University of Science FoundationInventors: Shunsuke MIZUMI, Naoto OMURA, Masahiro MOTOSUKE, Daiki SHIRAISHI, Koichi MURAKAMI
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Publication number: 20230288492Abstract: An adjustment power measuring device includes: an acquisition unit for acquiring effective power exchanged at a connection point with an adjustment power providing means capable of providing adjustment power to a first transmission and distribution network; a first calculation unit for calculating a power demand or a power supply for an entire electric power system including the first transmission and distribution network; and a measuring unit for measuring first adjustment power provided to the first transmission and distribution network by the adjustment power providing means on the basis of the effective power and the power demand or the power supply of the electric power system.Type: ApplicationFiled: November 12, 2021Publication date: September 14, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Takaharu Hiroe, Kazunari Ide, Ryo Sase
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Publication number: 20230288327Abstract: An inspection device includes: a light source for outputting pulsed excitation light with a time width of 10 picoseconds to 10 nanoseconds; a nonlinear optical crystal for generating a terahertz wave by optical wavelength conversion of the pulsed excitation light; a polarization part for reflecting at least a part of a reflected wave of the terahertz wave reflected by an inspection target; and a detector for detecting the reflected wave reflected by the polarization part.Type: ApplicationFiled: February 17, 2023Publication date: September 14, 2023Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., RIKENInventors: Syusaku Yamamoto, Keisuke Kajikawa, Yuichiro Kamino, Hiroaki Minamide, Koji Nawata
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Publication number: 20230287796Abstract: A method of cooling a vane of a turbine is provided. The turbine includes an airfoil, an outer shroud disposed at an outer radial end of the airfoil and an inner shroud, the airfoil including a plurality of air channels extending along the radial direction of the turbine, the air channels comprising a first air channel and a second air channel. A cooling air is caused to flow inside the first air channel to cool the first air channel, then cool one of the outer shroud and the inner shroud. A cooling air is caused to flow inside the second air channel to cool the second air channel, then cool the other one of the outer shroud and the inner shroud.Type: ApplicationFiled: March 11, 2022Publication date: September 14, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Satoshi Mizukami, David Allen Flodman, Satoshi Hada
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Publication number: 20230288326Abstract: An inspection device includes: a light source for outputting pulsed excitation light with a time width of 10 picoseconds to 10 nanoseconds; a nonlinear optical crystal for generating a terahertz wave by optical wavelength conversion of the excitation light; and a detector for detecting a reflected wave of the terahertz wave reflected by an inspection target.Type: ApplicationFiled: February 17, 2023Publication date: September 14, 2023Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., RIKENInventors: Syusaku Yamamoto, Keisuke Kajikawa, Yuichiro Kamino, Hiroaki Minamide, Koji Nawata