Patents by Inventor Tomohiro Fukazu

Tomohiro Fukazu 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: 20230318505
    Abstract: An aircraft includes: rotors each driven by an electric motor; a PCU that converts AC power output from a generator into DC power; an inverter that converts DC power supplied from the PCU into AC power and outputs the AC power to the electric motor; a DC wire that connects the PCU and the inverter; and an AC wire that connects the inverter and the electric motor. The AC wire is disposed in a direction orthogonal to a direction in which rotation shafts of the generator and a gas turbine extend.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 5, 2023
    Inventors: Manabu Mitani, Tomohiro Fukazu, Yuichi Fukuchi, Masashi Eto
  • Publication number: 20230192310
    Abstract: A cooling system includes: a heat sink located radially outward of a motor and including a plurality of fins; a motor cooling channel located between a stator of the motor and the plurality of fins and allowing a coolant to flow therethrough; an inverter cooling channel for cooling an inverter device by allowing the coolant to flow therethrough; a first flow channel allowing the coolant to flow from the motor cooling channel to the inverter cooling channel; a second flow channel allowing the coolant to flow from the inverter cooling channel to the motor cooling channel; and a pump provided in one of the first flow channel or the second flow channel.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 22, 2023
    Inventor: Tomohiro Fukazu
  • Patent number: 10668821
    Abstract: A vehicle includes a motor, a power converter, a fuel tank, and a three-phase line. The motor moves the vehicle. The power converter is connected to the motor. The power converter is configured to convert electric power and to supply the converted electric power to the motor. The fuel tank is disposed between the motor and the power converter. The fuel tank has a tank bottom on a side of a bottom of the vehicle. The tank bottom has a recess. The three-phase line is provided in the recess. The motor is electrically connected to the power converter via the three-phase line.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: June 2, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tomohiro Fukazu, Chris E Lang, Hiroyasu Takizawa
  • Patent number: 10636556
    Abstract: Disclosed are a bus bar unit capable of being easily manufactured while preventing a bus bar from being separated from a magnetic core and also capable of being reduced in size, and a manufacturing method thereof. The bus bar unit includes a magnetic core having a through-hole and covered with an insulating material, U-phase, V-phase and W-phase bus bars of which main body portions are arranged in parallel with each other in a predetermined direction within the through-hole and one side connecting portions provided on one side in an axial direction of the through-hole from the main body portions are bent in a direction crossing the axial direction, and a base member formed of an insulating material and to which the magnetic core is fixed, wherein the one side connecting portions of the bus bars are held while being disposed between the base member and the magnetic core.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: April 28, 2020
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yuya Ishihara, Tomohiro Fukazu
  • Patent number: 10632830
    Abstract: A vehicle includes a motor, a high-voltage device, and a power converter. The motor moves the vehicle. The high-voltage device is disposed inside a vehicle cabin of the vehicle. The power converter is disposed outside the vehicle cabin. The power converter is connected to the motor and the high-voltage device to convert electric power output from the high-voltage device and to supply the converted electric power to the motor. The high-voltage device is arranged to be juxtaposed to the power converter along a front-rear direction of the vehicle.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: April 28, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tetsuya Sugizaki, Tomohiro Fukazu, Noboru Fujiyoshi, Rieko Koyama, Kosuke Oguri
  • Patent number: 10427627
    Abstract: A cable structure includes a first cable, a second cable, a communicating portion, and a ventilation-tube connecting portion. The first cable includes a first power line, a first connector, a second connector, and a first tube. The first tube covers the first power line and has a first space. The second cable includes a second power line, a third connector, a fourth connector, and a second tube. The second tube covers the second power line and has a second space. The first space communicates with the second space via the communicating portion. The ventilation-tube connecting portion is provided at the first tube or the second tube. The ventilation-tube connecting portion is connected to a ventilation tube through which the first space and the second space are ventilated.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: October 1, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tomohiro Fukazu, Daisuke Komazawa, Yuya Ishihara, Daichi Yamanaka
  • Patent number: 10166852
    Abstract: Disclosed is a vehicle body lower structure which is capable of suppressing an increase in a vehicle weight, ensuring a degree of freedom of a layout of vehicle parts and also protecting an electric power converter. In the vehicle body lower structure, the electric power converter is provided between a first cross member and a second cross member. The electric power converter includes an electric power converter body, a first support portion and a second support portion. The electric power converter is disposed between the first cross member and the second cross member. The first support portion is provided at the electric power converter body and supported by the first cross member. The second support portion is provided at the electric power converter body and supported by the second cross member. The second support portion has a weak portion which is deformable by an impact load.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: January 1, 2019
    Assignee: Honda Motor Co.,Ltd.
    Inventors: Yuya Ishihara, Daisuke Komazawa, Tomohiro Fukazu
  • Patent number: 10033324
    Abstract: A vehicle includes a first and second motors, a high-voltage device, and a power converter. The power converter is disposed between the first and second motors. The power converter is configured to convert the electric power and to supply the converted electric power to the first and second motors. The power converter has a substantially rectangular parallelepiped shape that has a first side wall, a second side wall opposite to the first side wall, a third side wall, and a fourth side wall opposite to the third side wall. The first connector is provided on the first side wall and is connected to a first three-phase line via which the first motor is electrically connected to the power converter. The second connector is provided on the third side wall and is connected to a second three-phase line via which the second motor is electrically connected to the power converter.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: July 24, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tomohiro Fukazu, Noboru Fujiyoshi, Kosuke Oguri
  • Publication number: 20180090257
    Abstract: Disclosed are a bus bar unit capable of being easily manufactured while preventing a bus bar from being separated from a magnetic core and also capable of being reduced in size, and a manufacturing method thereof. The bus bar unit includes a magnetic core having a through-hole and covered with an insulating material, U-phase, V-phase and W-phase bus bars of which main body portions are arranged in parallel with each other in a predetermined direction within the through-hole and one side connecting portions provided on one side in an axial direction of the through-hole from the main body portions are bent in a direction crossing the axial direction, and a base member formed of an insulating material and to which the magnetic core is fixed, wherein the one side connecting portions of the bus bars are held while being disposed between the base member and the magnetic core.
    Type: Application
    Filed: September 22, 2017
    Publication date: March 29, 2018
    Applicant: Honda Motor Co.,Ltd.
    Inventors: Yuya ISHIHARA, Tomohiro FUKAZU
  • Publication number: 20180086192
    Abstract: Disclosed is a vehicle body lower structure which is capable of suppressing an increase in a vehicle weight, ensuring a degree of freedom of a layout of vehicle parts and also protecting an electric power converter. In the vehicle body lower structure, the electric power converter is provided between a first cross member and a second cross member. The electric power converter includes an electric power converter body, a first support portion and a second support portion. The electric power converter is disposed between the first cross member and the second cross member. The first support portion is provided at the electric power converter body and supported by the first cross member. The second support portion is provided at the electric power converter body and supported by the second cross member. The second support portion has a weak portion which is deformable by an impact load.
    Type: Application
    Filed: September 22, 2017
    Publication date: March 29, 2018
    Applicant: Honda Motor Co.,Ltd.
    Inventors: Yuya ISHIHARA, Daisuke KOMAZAWA, Tomohiro FUKAZU
  • Publication number: 20170232913
    Abstract: A cable structure includes a first cable, a second cable, a communicating portion, and a ventilation-tube connecting portion. The first cable includes a first power line, a first connector, a second connector, and a first tube. The first tube covers the first power line and has a first space. The second cable includes a second power line, a third connector, a fourth connector, and a second tube. The second tube covers the second power line and has a second space. The first space communicates with the second space via the communicating portion. The ventilation-tube connecting portion is provided at the first tube or the second tube. The ventilation-tube connecting portion is connected to a ventilation tube through which the first space and the second space are ventilated.
    Type: Application
    Filed: February 7, 2017
    Publication date: August 17, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tomohiro FUKAZU, Daisuke KOMAZAWA, Yuya ISHIHARA, Daichi YAMANAKA
  • Publication number: 20170237379
    Abstract: A vehicle includes a first and second motors, a high-voltage device, and a power converter. The power converter is disposed between the first and second motors. The power converter is configured to convert the electric power and to supply the converted electric power to the first and second motors. The power converter has a substantially rectangular parallelepiped shape that has a first side wall, a second side wall opposite to the first side wall, a third side wall, and a fourth side wall opposite to the third side wall. The first connector is provided on the first side wall and is connected to a first three-phase line via which the first motor is electrically connected to the power converter. The second connector is provided on the third side wall and is connected to a second three-phase line via which the second motor is electrically connected to the power converter.
    Type: Application
    Filed: February 7, 2017
    Publication date: August 17, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tomohiro FUKAZU, Noboru FUJIYOSHI, Kosuke OGURI
  • Publication number: 20170232866
    Abstract: A vehicle includes a motor, a high-voltage device, and a power converter. The motor moves the vehicle. The high-voltage device is disposed inside a vehicle cabin of the vehicle. The power converter is disposed outside the vehicle cabin. The power converter is connected to the motor and the high-voltage device to convert electric power output from the high-voltage device and to supply the converted electric power to the motor. The high-voltage device is arranged to be juxtaposed to the power converter along a front-rear direction of the vehicle.
    Type: Application
    Filed: February 7, 2017
    Publication date: August 17, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tetsuya SUGIZAKI, Tomohiro FUKAZU, Noboru FUJIYOSHI, Rieko KOYAMA, Kosuke OGURI
  • Publication number: 20170232867
    Abstract: A vehicle includes a motor, a power converter, a fuel tank, and a three-phase line. The motor moves the vehicle. The power converter is connected to the motor. The power converter is configured to convert electric power and to supply the converted electric power to the motor. The fuel tank is disposed between the motor and the power converter. The fuel tank has a tank bottom on a side of a bottom of the vehicle. The tank bottom has a recess. The three-phase line is provided in the recess. The motor is electrically connected to the power converter via the three-phase line.
    Type: Application
    Filed: February 7, 2017
    Publication date: August 17, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tomohiro FUKAZU, Chris E. LANG, Hiroyasu TAKIZAWA
  • Patent number: 9220182
    Abstract: A semiconductor module cooler includes a fin which is a heat sink, which is thermally connected to a semiconductor element, and which has one or more notches in an edge at one or more arbitrary positions in a longitudinal direction and one or more convex ribs which are formed on a bottom of a water jacket having a cooling flow path and which fit into the one or more notches at one or more arbitrary positions. By doing so, the efficiency of transferring heat generated by the semiconductor element by a coolant is improved and cooling performance is improved.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: December 22, 2015
    Assignees: HONDA MOTOR CO., LTD., FUJI ELECTRIC CO., LTD.
    Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Takeshi Ichimura, Hiromichi Gohara
  • Patent number: 9073428
    Abstract: An inner side edge part of a PCU supporting frame is arranged at a rear-downward angle; a rear supporting bracket that connects a rear edge part of the supporting frame with a dashboard upper is arranged at a rear-upward angle; the frame main body and the PCU are pressed diagonally down-backward when a load input is received on the supporting frame from the vehicle front side; and with the rear supporting bracket being rotationally displaced by this pressing, the supporting frame and the PCU are displaced diagonally down-backward.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: July 7, 2015
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masahiro Shimada, Tomohiro Fukazu, Takafumi Nakaune, Tsuyoshi Kobayashi
  • Publication number: 20140196871
    Abstract: A semiconductor module cooler includes a fin which is a heat sink, which is thermally connected to a semiconductor element, and which has one or more notches in an edge at one or more arbitrary positions in a longitudinal direction and one or more convex ribs which are formed on a bottom of a water jacket having a cooling flow path and which fit into the one or more notches at one or more arbitrary positions. By doing so, the efficiency of transferring heat generated by the semiconductor element by a coolant is improved and cooling performance is improved.
    Type: Application
    Filed: December 13, 2013
    Publication date: July 17, 2014
    Applicants: FUJI ELECTRIC CO., LTD., HONDA MOTOR CO., LTD.
    Inventors: Hiroshi OTSUKA, Tomohiro Fukazu, Kosuke Nishiyama, Takeshi Ichimura, Hiromichi Gohara
  • Publication number: 20140117198
    Abstract: An inner side edge part of a PCU supporting frame is arranged at a rear-downward angle; a rear supporting bracket that connects a rear edge part of the supporting frame with a dashboard upper is arranged at a rear-upward angle; the frame main body and the PCU are pressed diagonally down-backward when a load input is received on the supporting frame from the vehicle front side; and with the rear supporting bracket being rotationally displaced by this pressing, the supporting frame and the PCU are displaced diagonally down-backward.
    Type: Application
    Filed: July 18, 2012
    Publication date: May 1, 2014
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Masahiro Shimada, Tomohiro Fukazu, Takafumi Nakaune, Tsuyoshi Kobayashi
  • Patent number: D694724
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: December 3, 2013
    Assignees: Honda Motor Co., Ltd., Fuji Electric Co., Ltd.
    Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Shin Soyano, Masahiro Kikuchi, Akira Nishiura, Takeshi Ichimura
  • Patent number: D699693
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: February 18, 2014
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Shin Soyano, Masahiro Kikuchi, Akira Nishiura, Takeshi Ichimura