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).
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Publication number: 20230318505Abstract: 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: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Inventors: Manabu Mitani, Tomohiro Fukazu, Yuichi Fukuchi, Masashi Eto
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Publication number: 20230192310Abstract: 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: ApplicationFiled: December 13, 2022Publication date: June 22, 2023Inventor: Tomohiro Fukazu
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Patent number: 10668821Abstract: 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: GrantFiled: February 7, 2017Date of Patent: June 2, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Tomohiro Fukazu, Chris E Lang, Hiroyasu Takizawa
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Patent number: 10636556Abstract: 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: GrantFiled: September 22, 2017Date of Patent: April 28, 2020Assignee: Honda Motor Co., Ltd.Inventors: Yuya Ishihara, Tomohiro Fukazu
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Patent number: 10632830Abstract: 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: GrantFiled: February 7, 2017Date of Patent: April 28, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Tetsuya Sugizaki, Tomohiro Fukazu, Noboru Fujiyoshi, Rieko Koyama, Kosuke Oguri
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Patent number: 10427627Abstract: 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: GrantFiled: February 7, 2017Date of Patent: October 1, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Tomohiro Fukazu, Daisuke Komazawa, Yuya Ishihara, Daichi Yamanaka
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Patent number: 10166852Abstract: 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: GrantFiled: September 22, 2017Date of Patent: January 1, 2019Assignee: Honda Motor Co.,Ltd.Inventors: Yuya Ishihara, Daisuke Komazawa, Tomohiro Fukazu
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Patent number: 10033324Abstract: 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: GrantFiled: February 7, 2017Date of Patent: July 24, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Tomohiro Fukazu, Noboru Fujiyoshi, Kosuke Oguri
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Publication number: 20180090257Abstract: 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: ApplicationFiled: September 22, 2017Publication date: March 29, 2018Applicant: Honda Motor Co.,Ltd.Inventors: Yuya ISHIHARA, Tomohiro FUKAZU
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Publication number: 20180086192Abstract: 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: ApplicationFiled: September 22, 2017Publication date: March 29, 2018Applicant: Honda Motor Co.,Ltd.Inventors: Yuya ISHIHARA, Daisuke KOMAZAWA, Tomohiro FUKAZU
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Publication number: 20170232913Abstract: 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: ApplicationFiled: February 7, 2017Publication date: August 17, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Tomohiro FUKAZU, Daisuke KOMAZAWA, Yuya ISHIHARA, Daichi YAMANAKA
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Publication number: 20170237379Abstract: 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: ApplicationFiled: February 7, 2017Publication date: August 17, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Tomohiro FUKAZU, Noboru FUJIYOSHI, Kosuke OGURI
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Publication number: 20170232866Abstract: 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: ApplicationFiled: February 7, 2017Publication date: August 17, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Tetsuya SUGIZAKI, Tomohiro FUKAZU, Noboru FUJIYOSHI, Rieko KOYAMA, Kosuke OGURI
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Publication number: 20170232867Abstract: 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: ApplicationFiled: February 7, 2017Publication date: August 17, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Tomohiro FUKAZU, Chris E. LANG, Hiroyasu TAKIZAWA
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Patent number: 9220182Abstract: 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: GrantFiled: December 13, 2013Date of Patent: December 22, 2015Assignees: HONDA MOTOR CO., LTD., FUJI ELECTRIC CO., LTD.Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Takeshi Ichimura, Hiromichi Gohara
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Patent number: 9073428Abstract: 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: GrantFiled: July 18, 2012Date of Patent: July 7, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Shimada, Tomohiro Fukazu, Takafumi Nakaune, Tsuyoshi Kobayashi
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Publication number: 20140196871Abstract: 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: ApplicationFiled: December 13, 2013Publication date: July 17, 2014Applicants: FUJI ELECTRIC CO., LTD., HONDA MOTOR CO., LTD.Inventors: Hiroshi OTSUKA, Tomohiro Fukazu, Kosuke Nishiyama, Takeshi Ichimura, Hiromichi Gohara
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Publication number: 20140117198Abstract: 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: ApplicationFiled: July 18, 2012Publication date: May 1, 2014Applicant: HONDA MOTOR CO., LTD.Inventors: Masahiro Shimada, Tomohiro Fukazu, Takafumi Nakaune, Tsuyoshi Kobayashi
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Patent number: D694724Type: GrantFiled: December 27, 2012Date of Patent: December 3, 2013Assignees: Honda Motor Co., Ltd., Fuji Electric Co., Ltd.Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Shin Soyano, Masahiro Kikuchi, Akira Nishiura, Takeshi Ichimura
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Patent number: D699693Type: GrantFiled: December 27, 2012Date of Patent: February 18, 2014Assignee: Fuji Electric Co., Ltd.Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Shin Soyano, Masahiro Kikuchi, Akira Nishiura, Takeshi Ichimura