Patents Assigned to Mitsubishi Heavy Industries, Ltd.
  • Patent number: 10995755
    Abstract: The present invention provides a co-rotating scroll compressor that can inhibit leakage of lubricant supplied to a synchronous drive mechanism. A co-rotating scroll compressor includes a drive-side plate 20 placed between a driving scroll member 70 and a motor 5 at a predetermined distance from the driving scroll member 70 in a direction of a drive-side rotation axis CL1. The drive-side plate 20 includes a shaft portion 20b fixed to a driving shaft 6 of the motor 5 and a fixing portion 20a fixed to an outer periphery of the driving scroll member 70, and a synchronous drive mechanism made up of a needle bearing 32a and a pin 32b is placed between the drive-side plate 20 and driving scroll member 70.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 4, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takuma Yamashita, Takahide Ito, Keita Kitaguchi, Makoto Takeuchi, Hirohumi Hirata
  • Patent number: 10998527
    Abstract: An organic electroluminescent device includes at least two light-emissive units provided between a cathode electrode and an anode electrode opposed to the cathode electrode, each of the light-emissive units including at least one light-emissive layer. The light-emissive units are partitioned from each other by at least one charge generation layer, the charge generation layer being an electrically insulating layer having a resistivity of not less than 1.0×102 ?cm.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: May 4, 2021
    Assignees: ROHM CO., LTD., MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Junji Kido, Toshio Matsumoto
  • Patent number: 10995629
    Abstract: A variable nozzle mechanism in which a nozzle mount has a first surface which has a minimum clearance in a direction of an axis with respect to a lever side facing surface in an opposing region facing the lever side facing surface in the direction of the axis, and a second surface which is disposed adjacent to the first surface in a circumferential direction of the nozzle mount and has a clearance in the direction of the axis with respect to the lever side facing surface larger than the clearance in the direction of the axis between the first surface and the lever side facing surface.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: May 4, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yuya Nakahara, Tatsuya Ishizaki, Noriyuki Hayashi, Toyotaka Yoshida
  • Patent number: 10994753
    Abstract: The rail vehicle has a guide device configured to guide traveling of a bogie on a traveling track by rolling guide wheels in a state of bringing the guide wheels into contact with guide rails installed on both sides of the traveling track in a vehicle width direction perpendicular to a traveling direction, wherein: the guide device has an arm and the guide wheels, the arm having a central portion fixed to a stationary member, extending to both sides in the vehicle width direction, and having both end portions elastically deformable in a direction in which the guide rails extend, the guide wheels being mounted on the arm at the both end portions of the arm in the vehicle width direction; and a center of each of the guide wheels is displaced from a center line of the arm, the center line extending in the vehicle width direction.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: May 4, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Toshifumi Kanno, Kouji Esaki, Koshi Tanimoto
  • Patent number: 10994513
    Abstract: A composite structure includes a stepped portion formed by laminating a plurality of plies with end surfaces thereof being shifted from each other. The composite structure includes a body portion which includes a first structure portion where a first ply is laminated on a top layer of the first structure portion, a second structure portion where a second ply is laminated on a top layer of the second structure portion, and the stepped portion disposed between the first structure portion and the second structure portion, the second ply being positioned at a distance from the first ply in a lamination direction, and a first cover ply which includes a covering portion covering the stepped portion, one end portion, and the other end portion and is formed so as to cover only a part of a surface of the first ply or a part of a surface of the second ply.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: May 4, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masahiro Kashiwagi, Yoshinori Nonaka, Kiyoka Takagi, Tooru Shitani, Toshio Abe
  • Publication number: 20210122203
    Abstract: This cooling device for an amphibious vehicle includes: a heat exchanger mounted in the amphibious vehicle; a coolant introduction passage through which cooling air or cooling water can be introduced from the outside to the heat exchanger as a coolant; a cooling air discharge passage through which the cooling air having passed through the heat exchanger can be discharged to a cooling air discharge portion communicating with the outside; and a cooling water discharge passage through which the cooling water having passed through the heat exchanger can be discharged to a cooling water discharge portion communicating with the outside. The cooling air discharge passage and the cooling water discharge passage are formed such that at least the cooling air discharge portion and the cooling water discharge portion are independent of each other.
    Type: Application
    Filed: December 14, 2017
    Publication date: April 29, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takashi IKEDA, Tetsuya MIYAMOTO, Katsuhiko NAKAJO, Takashi MATSUNAGA, Taichi OMURA, Yuta SHIMIZU, Takenori KAWANA, Takashi MIZUMOTO, Shinichi SATO
  • Patent number: 10990712
    Abstract: There is provided a contact force evaluation method for evaluating a contact force against a supporting member of a tube bundle positioned in a fluid and supported by the supporting member, including a contact force setting step of setting a contact force of the tube bundle, a probability density function calculation step of calculating a probability density function of a reaction force received by the supporting member from the tube bundle in response to a predetermined input, using a vibration analysis model of the tube bundle and the supporting member, a probability calculation step of calculating a probability that a reaction force equal to or higher than the set contact force occurs, based on the calculated probability density function, and an evaluation step of evaluating the set contact force, based on the calculated probability.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: April 27, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Makoto Iwasaki, Kazuo Hirota, Shingo Nishida, Tetsuya Arikawa, Ryoichi Kawakami, Masaaki Katayama, Toshifumi Nariai, Kohei Yamamoto
  • Patent number: 10993002
    Abstract: An acquisition unit is configured to acquire a measurement value of a first state quantity of a target device. A model determination unit is configured to determine a model for estimating a value of a second state quantity of the target device for each evaluation item for management of the target device. An estimation unit is configured to estimate the value of the second state quantity on the basis of the measurement value using the model determined by the model determination unit. A management unit calculates a value of the evaluation item using the value estimated by the estimation unit.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: April 27, 2021
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., MITSUBISHI POWER, LTD.
    Inventors: Shintaro Kumano, Makoto Kishi, Keisuke Yamamoto, Katsuhiko Abe
  • Patent number: 10987880
    Abstract: A method for molding a composite material in which a curved corner is formed between two planes by using a molding jig includes: shaping a laminated body in such a manner that a thickness of the laminated body is decreased from an outer side toward an inner side of the corner, by using the molding jig in which the angle formed by the two planes is a first bending angle, the laminated body including fiber sheets laminated so as to have the corner curved at the first bending angle; and shaping the laminated body in such a manner that the thickness is decreased from the outer side toward the inner side by curving the corner so as to form a second bending angle, by using the molding jig in which the angle formed by the two planes is the second bending angle smaller than the first bending angle.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: April 27, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Hiroshi Tokutomi
  • Publication number: 20210114131
    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: Application
    Filed: March 25, 2019
    Publication date: April 22, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yusuke Hazui, Koki Tateishi, Naoki Suda, Kazuhiko Kamo, Masahiro Kimura, Yusuke Sano, Yasushi Nishijima
  • Patent number: 10982621
    Abstract: An engine system control apparatus includes a parameter reception unit that receives parameters necessary for acquiring a pressure ratio of the low-pressure compressor and a pressure ratio of the high-pressure compressor, a pressure ratio acquisition unit that acquires the pressure ratio of the low-pressure compressor and the pressure ratio of the high-pressure compressor based on the parameters, an inter-compressor pressure ratio acquisition unit that acquires an inter-compressor pressure ratio obtainable by dividing the pressure ratio of the high-pressure compressor by the pressure ratio of the low-pressure compressor, and a control unit that controls the exhaust gas flowrate adjustment unit such that the inter-compressor pressure ratio becomes a predetermined pressure ratio for optimizing an operation efficiency of the engine system.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: April 20, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuro Hotta, Hideaki Nagamochi, Go Tomatsu, Takahiro Yamashina
  • Patent number: 10982647
    Abstract: A vortex generator for a wind turbine blade includes a plurality of main fins disposed on a surface of the wind turbine blade; and at least one first sub fin having a fin chord length and a fin height which are smaller than those of each of the main fins, and disposed on the surface of the wind turbine blade along a first virtual line extending from a first end portion of a main fin row at a side of a blade tip or a blade root of the wind turbine blade. An expression d?dmax is satisfied, provided that d is a distance between the main fin row and the first sub fin disposed next to the first end portion of the main fin row, and dmax is a maximum distance between an adjacent pair of the main fins in the main fin row.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: April 20, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Koji Fukami
  • Patent number: 10982566
    Abstract: A turbine is equipped with a turbine rotor (21), a turbine casing, a turbine blade (24), a turbine stator and a diffuser (4A). The diffuser (4A) is equipped with an inner cylinder (41) extending along an axis, an outer cylinder covering the inner cylinder (41) from an outer circumferential side and forming an exhaust flow path (C) between the inner cylinder (41) and the outer cylinder. The inner cylinder (41) is equipped with an inclined surface (51) extending from an inner side to an outer side in the radial direction centering on the axis as going from one side to the other side in the direction of the axis. The inclined surface (51) is disposed to intersect an extension (55) obtained by extending platforms (54) of a plurality of turbine blades (24) to the other side in the direction of the axis, in a cross sectional view including the axis.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: April 20, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Daigo Fujimura, Takashi Hiyama, Hiroshi Watanabe
  • Patent number: 10982544
    Abstract: A turbine includes a diffuser. The diffuser includes a combustor basket, an outer shell, a plurality of struts, and a protrusion. A front end of the protrusion is between a leading edge position of an adjacent pair of the struts and a trailing edge position of the adjacent pair of the struts, and a rear end of the protrusion extends further than the trailing edge position of the adjacent pair of the struts in an axial direction.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: April 20, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naonori Nagai, Hiroyoshi Torikai, Hiroshi Watanabe
  • Publication number: 20210109511
    Abstract: In an information processing device according to the present invention, a statistics estimation unit estimates a value of a state quantity by using a statistical model constructed based on values of past state quantities of a target device. A physical estimation unit estimates a value of a state quantity by using a physical model constructed based on design data of the target device. A specification unit specifies a value to be used to manage the target device from the value estimated by the statistics estimation unit and the value estimated by the physical estimation unit based on deterioration of the target device with time.
    Type: Application
    Filed: March 26, 2018
    Publication date: April 15, 2021
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Shintaro Kumano, Makoto Kishi, Keisuke Yamamoto, Katsuhiko Abe
  • Patent number: 10974770
    Abstract: A network structure is formed in a three-dimensional mesh shape in which a plurality of polyhedron frames are arranged. Each polyhedron frame is formed by a plurality of apexes disposed in a three-dimensional space and connecting members for connecting the apexes. The plurality of polyhedron frames are regularly arranged so that the polyhedron frames are displaced at a constant degree when a constant load is applied.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: April 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Daishi Sumi, Akio Kitada, Toshio Onuma, Hiroaki Takahashi, Tetsuya Suzuki, Takatomo Ushiyama
  • Patent number: 10974484
    Abstract: A forming method of a cylindrical composite material includes layering a plurality of composite material sheets in a cylindrical shape with splices formed between ends of adjacent composite material sheets such that phases of the splices in a circumferential direction differ from each other; heating the composite material sheets layered at the layering while pressurizing the composite material sheets in a state where the layered composite material sheets are disposed along an inner surface of a composite material cylindrical mold to cause a resin included in the composite material sheets to react to combine the composite material sheets to be formed in a cylindrical shape; and performing an adhesion pretreatment that is performed before the heating and allows the inner surface of the composite material cylindrical mold to adhere to an outermost composite material sheet of the layered composite material sheets.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: April 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kodai Shimono, Ryoji Okabe
  • Patent number: 10974319
    Abstract: In a casting device, positions of discharge ends discharging cooling gas, of respective gas supply nozzles are adjusted in response to movement of a mold. This makes it possible to stably achieve high cooling performance for the mold by blowing of the cooling gas. To adjust the positions of the respective discharge ends, the gas supply nozzles are advanced or retreated, or are expanded or contracted. Further, a cooling chamber may include a radiation cooling portion that cools the mold by radiation, and the radiation cooling portion is disposed below the gas supply nozzles that are provided directly below a heat shielding body partitioning a heating chamber and the cooling chamber.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: April 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takeshi Kaneko, Masaki Taneike, Hidetaka Oguma
  • Patent number: 10975700
    Abstract: A turbine blade designing method is for designing a turbine blade formed using a metal material in which creep including diffusion creep and dislocation creep occurs by heating. The turbine blade designing method includes: acquiring temperature distribution data relating to temperature distribution in the turbine blade to be heated; acquiring creep strength distribution data relating to distribution of the creep strength required for the turbine blade to be heated; from the correlation data, based on the temperature distribution data and the creep strength distribution data, setting the crystal grain size of a high-temperature portion that is the diffusion creep temperature range of the turbine blade to a size coarser than the reference crystal grain size, and setting the crystal grain size of a low-temperature portion that is the dislocation creep temperature range of the turbine blade to a size finer than the reference crystal grain size.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: April 13, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hideaki Kaneko, Kenji Yamamoto, Takanori Karato, Norifumi Hirata, Naoya Fujita
  • Patent number: 10968759
    Abstract: A rotary machine comprises a hub including: a blade-facing hub portion including a first blade-facing surface which faces a spherical hub-side end surface of a variable blade and which has a first spherical region having a spherical shape; an upstream hub portion disposed upstream of the blade-facing hub portion in an axial direction of the hub and having a first outer-peripheral surface being adjacent to the first blade-facing surface in the axial direction; and a downstream hub portion disposed downstream of the blade-facing hub portion in the axial direction and having a second outer peripheral surface being adjacent to the first blade-facing surface in the axial direction.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: April 6, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Kenichiro Iwakiri