Patents by Inventor Mitsufumi Goto

Mitsufumi Goto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210143645
    Abstract: A power generation plant includes a plant device, an AC motor for starting the plant device, at least one DC power source, and a first inverter disposed between the at least one DC power source and the AC motor and between the at least one DC power source and an electrical power grid. The first inverter is configured to convert DC power from the at least one DC power source to AC power and is capable of selectively supplying the AC power to the AC motor or the electrical power grid.
    Type: Application
    Filed: March 23, 2018
    Publication date: May 13, 2021
    Inventors: Hideyuki UECHI, Rikuma SHIJO, Kouji HORIZOE, Hisanobu SHINODA, Mitsufumi GOTO
  • Patent number: 10961903
    Abstract: A supercharging system includes: a first supercharger including a first compressor for compressing air to be supplied to an engine and a motor for driving the first compressor; a leakage current measuring part for measuring a leakage current of the motor; and a first controller for controlling the first supercharger. The first controller includes a motor control part configured to, when a measurement result by the leakage current measuring part is not less than a first threshold, set an upper limit value of an output command value for the motor to be lower than when the measurement result is less than the first threshold, and to control an output of the motor within a range which does not exceed the upper limit value.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 30, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio Yamashita, Hiroyoshi Kubo, Mitsufumi Goto, Musashi Sakamoto
  • Patent number: 10767591
    Abstract: The present application relates to an abnormality determination device for a variable geometry turbocharger having a nozzle mechanism capable of changing a flow path area of exhaust gas with an actuator. The abnormality determination device includes: a first detection part configured to be capable of detecting at least one of a load of the actuator or supply energy to the actuator; and a determination part configured to determine that an abnormality is present, if a detection result by the first detection part is out of an allowable range corresponding to an operational state of the variable geometry turbocharger.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: September 8, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Mitsufumi Goto
  • Patent number: 10753272
    Abstract: A supercharging system includes a first supercharger including a first compressor; a second supercharger including a second compressor provided downstream of the first compressor, and a controller controlling the first and second superchargers. At least one of the first and second superchargers includes an electric motor for driving the first or second compressor. At least one of the first and second superchargers includes a turbine, and a nozzle vane that adjusts a flow-path area of the exhaust gas flowing into the turbine. When a charge amount of a battery is low, the controller sets an upper limit of an output command value for the motor to be lower than when the charge amount is not low, or starts regenerative operation of the motor. A vane control part controls an opening degree of the nozzle vane so that the flow-path area decreases with a control of the electric motor.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: August 25, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio Yamashita, Hiroyoshi Kubo, Mitsufumi Goto, Musashi Sakamoto
  • Patent number: 10683824
    Abstract: Each of a plurality of control devices (10, 11, 12) of an engine control system (1) is provided with a drive control unit (100, 110, 120) which controls the drive of an engine unit to be controlled according to memory information stored in a memory of the control device, a memory information output unit which outputs the memory information stored in the memory of the control device to other control devices, and a memory information update unit which writes memory information received from the memory information output units of other control devices into the memory of the control device.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: June 16, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kanta Inoue, Yukio Yamashita, Mitsufumi Goto, Musashi Sakamoto
  • Patent number: 10458322
    Abstract: This surge determination device is provided with a surge determination unit for determining the presence or absence of a surge of a compressor that outputs compressed air to an engine on the basis of a rotation speed of the engine and an air flow rate.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: October 29, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroyoshi Kubo, Yukio Yamashita, Mitsufumi Goto, Musashi Sakamoto
  • Publication number: 20190284991
    Abstract: A supercharging system includes: a first supercharger including a first compressor for compressing air to be supplied to an engine and a motor for driving the first compressor; a leakage current measuring part for measuring a leakage current of the motor; and a first controller for controlling the first supercharger. The first controller includes a motor control part configured to, when a measurement result by the leakage current measuring part is not less than a first threshold, set an upper limit value of an output command value for the motor to be lower than when the measurement result is less than the first threshold, and to control an output of the motor within a range which does not exceed the upper limit value.
    Type: Application
    Filed: May 31, 2019
    Publication date: September 19, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio YAMASHITA, Hiroyoshi KUBO, Mitsufumi GOTO, Musashi SAKAMOTO
  • Patent number: 10174690
    Abstract: An auxiliary-machine control device equipped with: a command-value acquisition unit for acquiring an operation command value for a device to be controlled and an allowable range for the operation amount of control means for controlling the operating state of the device to be controlled; an operation-amount calculation unit for calculating the operation amount for the control means on the basis of the acquired operation command value; and an operation-amount determination unit for outputting the calculated operation-amount signal to the device to be controlled if the operation amount calculated by the operation-amount calculation unit falls within the allowable range, and outputting an upper-limit value or a lower-limit value for the operation-amount allowable range if the calculated operation amount falls outside of the allowable range.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: January 8, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio Yamashita, Hiroyoshi Kubo, Mitsufumi Goto, Musashi Sakamoto
  • Publication number: 20180202381
    Abstract: Each of a plurality of control devices (10, 11, 12) of an engine control system (1) is provided with a drive control unit (100, 110, 120) which controls the drive of an engine unit to be controlled according to memory information stored in a memory of the control device, a memory information output unit which outputs the memory information stored in the memory of the control device to other control devices, and a memory information update unit which writes memory information received from the memory information output units of other control devices into the memory of the control device.
    Type: Application
    Filed: February 6, 2015
    Publication date: July 19, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kanta INOUE, Yukio YAMASHITA, Mitsufumi GOTO, Musashi SAKAMOTO
  • Publication number: 20180003121
    Abstract: The present application relates to an abnormality determination device for a variable geometry turbocharger having a nozzle mechanism capable of changing a flow path area of exhaust gas with an actuator. The abnormality determination device includes: a first detection part configured to be capable of detecting at least one of a load of the actuator or supply energy to the actuator; and a determination part configured to determine that an abnormality is present, if a detection result by the first detection part is out of an allowable range corresponding to an operational state of the variable geometry turbocharger.
    Type: Application
    Filed: January 16, 2015
    Publication date: January 4, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Mitsufumi GOTO
  • Publication number: 20170328271
    Abstract: A supercharging system includes: a first supercharger including a first compressor for compressing air to be supplied to an engine and a motor for driving the first compressor; a leakage current measuring part for measuring a leakage current of the motor; and a first controller for controlling the first supercharger. The first controller includes a motor control part configured to, when a measurement result by the leakage current measuring part is not less than a first threshold, set an upper limit value of an output command value for the motor to be lower than when the measurement result is less than the first threshold, and to control an output of the motor within a range which does not exceed the upper limit value.
    Type: Application
    Filed: January 30, 2015
    Publication date: November 16, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio YAMASHITA, Hiroyoshi KUBO, Mitsufumi GOTO, Musashi SAKAMOTO
  • Publication number: 20170328272
    Abstract: A supercharging system includes: a first supercharger including a first compressor for compressing air to be supplied to an engine; a second supercharger including a second compressor for further compressing air compressed by the first compressor; and a controller for controlling the first supercharger and the second supercharger. At least one of the first supercharger or the second supercharger further includes an electric motor for driving the first compressor or the second compressor. At least one of the first supercharger or the second supercharger further includes a turbine configured to be rotary driven by exhaust gas from the engine, and a nozzle vane configured to adjust a flow-path area of the exhaust gas flowing into the turbine.
    Type: Application
    Filed: January 30, 2015
    Publication date: November 16, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio YAMASHITA, Hiroyoshi KUBO, Mitsufumi GOTO, Musashi SAKAMOTO
  • Publication number: 20170314479
    Abstract: An auxiliary-machine control device equipped with: a command-value acquisition unit for acquiring an operation command value for a device to be controlled and an allowable range for the operation amount of control means for controlling the operating state of the device to be controlled; an operation-amount calculation unit for calculating the operation amount for the control means on the basis of the acquired operation command value; and an operation-amount determination unit for outputting the calculated operation-amount signal to the device to be controlled if the operation amount calculated by the operation-amount calculation unit falls within the allowable range, and outputting an upper-limit value or a lower-limit value for the operation-amount allowable range if the calculated operation amount falls outside of the allowable range.
    Type: Application
    Filed: February 5, 2015
    Publication date: November 2, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio YAMASHITA, Hiroyoshi KUBO, Mitsufumi GOTO, Musashi SAKAMOTO
  • Publication number: 20170298814
    Abstract: This surge determination device is provided with a surge determination unit for determining the presence or absence of a surge of a compressor that outputs compressed air to an engine on the basis of a rotation speed of the engine and an air flow rate.
    Type: Application
    Filed: February 10, 2015
    Publication date: October 19, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hiroyoshi KUBO, Yukio YAMASHITA, Mitsufumi GOTO, Musashi SAKAMOTO
  • Publication number: 20170276073
    Abstract: A control device that controls a drive device for driving an auxiliary machine that assists the output of a main machine that is a power source, the control device including: a drive control unit for controlling the drive device; and an auxiliary machine control unit that controls all the drive devices provided in the auxiliary machine which includes the drive device, and thereby controls the auxiliary machine.
    Type: Application
    Filed: February 6, 2015
    Publication date: September 28, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yukio YAMASHITA, Hiroyoshi KUBO, Mitsufumi GOTO, Musashi SAKAMOTO
  • Patent number: 9219381
    Abstract: A power generating unit generates electric power using natural energy, plural secondary battery packs are charged with the electric power generated by the power generating unit, and the secondary battery pack as a power source to be used for an operation control of a control unit controlling the operation of a charging system is selected on the basis of a state of charge of the corresponding secondary battery pack.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: December 22, 2015
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mitsufumi Goto, Masami Miura
  • Publication number: 20150263396
    Abstract: A battery state monitoring device (3) is provided with: a substrate (100) that is provided with a terminal insertion hole (111B) into which an electrode terminal (75) of a battery (2) is inserted; a stator (141B) which is formed of a heat conductive material, is provided around the terminal insertion hole (111B), and is fitted to the electrode terminal (75) so as to be in contact with the electrode terminal (75) in a state where the electrode terminal (75) is inserted into the terminal insertion hole (111B); and a temperature measuring element (151) which is affixed to the substrate (100) and measures the temperature of the electrode terminal (75) through the stator (141B).
    Type: Application
    Filed: December 5, 2013
    Publication date: September 17, 2015
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tsuyoshi Kitamura, Mitsufumi Goto, Tetsuro Shigemizu, Kohei Kawazoe, Naohiko Matsuda, Hideyasu Takatsuji, Takehiko Nishida
  • Publication number: 20120293108
    Abstract: A power generating unit generates electric power using natural energy, plural secondary battery packs are charged with the electric power generated by the power generating unit, and the secondary battery pack as a power source to be used for an operation control of a control unit controlling the operation of a charging system is selected on the basis of a charging rate of the corresponding secondary battery pack.
    Type: Application
    Filed: February 25, 2011
    Publication date: November 22, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mitsufumi Goto, Masami Miura
  • Publication number: 20120148890
    Abstract: A battery system (1) includes: an electrical cell (2) which is accommodated in each battery accommodation casing (22) so that at least one of first facing side surfaces (51) and (52) in a stacking direction (X) of a stacked structure and at least one of second facing side surfaces (53) and (54) in the direction (Y) lying at right angles to the stacking direction (X) faces the battery accommodation casing wall surface (22a) or the battery accommodation casing partition plate wall surface (23a); separation state detecting devices (24a) and (24b) for detecting a first separation distance (W1) between the first side surfaces (51) and (52) and any one of the wall surfaces (22a) and (23a) and a second separation distance (W2) between the second side surfaces (53) and (54) and any one of the wall surfaces (22a) and (23a); and a control unit that determines that the corresponding secondary battery (2) has an abnormal internal pressure when both the first separation distance (W1) and the second separation distance (W2
    Type: Application
    Filed: March 15, 2011
    Publication date: June 14, 2012
    Applicants: KYUSHU ELECTRIC POWER CO., INC., MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Mitsufumi Goto, Masami Miura