Patents by Inventor Tetsuhisa SAKAMOTO

Tetsuhisa SAKAMOTO 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).

  • Patent number: 11548362
    Abstract: A vehicle battery unit comprising: a plurality of battery modules; an electric connection box; a battery control device configured to control the plurality of battery modules, a signal line extending from the electric connection box; a voltage detection line extending from the plurality of battery modules; and a battery case which accommodates the plurality of battery modules, the electric connection box, the battery control device, the signal line, and the voltage detection line. The battery control device includes: a first connector to which the signal line is connected on the one side in the front-rear direction; and a second connector to which the voltage detection line is connected on the other side in the front-rear direction. The battery control device is disposed above the plurality of battery modules and further on the one side than a center portion of the plurality of battery modules in the front-rear direction.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: January 10, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tetsuhisa Sakamoto, Hiroyuki Ozawa
  • Patent number: 11034226
    Abstract: A vehicle includes a vehicle interior; a front room provided in front of the vehicle interior; an electric motor control device provided at a rear side of the vehicle interior and below a floor panel; a battery provided below the vehicle interior and below the floor panel; a cooling device provided in the front room; a first cooling pipe configured to supply a refrigerant from the cooling device to the electric motor control device; and a second cooling pipe configured to discharge the refrigerant from the electric motor control device to the cooling device. The floor panel has a recessed portion recessed upwards, and the first cooling pipe and the second cooling pipe are accommodated in the recessed portion.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: June 15, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Naoto Kochi, Tetsuhisa Sakamoto, Ryosaku Izawa
  • Publication number: 20200365851
    Abstract: A vehicle battery unit includes: a plurality of battery modules, each of which including a plurality of cells having cell terminals on top; battery cooling units having refrigerant passages through which a refrigerant passes; a supply pipe for introducing a refrigerant to the battery cooling unit; a discharge pipe for discharging the refrigerant from the battery cooling unit; voltage detection lines extending from the plurality of battery modules; a battery control device to which the voltage detection line is connected; and a battery case which accommodates the plurality of battery modules, the battery cooling unit, the supply pipe, the discharge pipe, the voltage detection line, and the battery control device. The supply pipe and the discharge pipe are disposed below the cell terminal and output terminals of the plurality of battery modules and are covered with a pipe cover. The voltage detection line is disposed above the pipe cover.
    Type: Application
    Filed: May 11, 2020
    Publication date: November 19, 2020
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hiroyuki OZAWA, Eiji KOIKE, Tetsuhisa SAKAMOTO, Yosuke YAMAGISHI, Nariyuki YOSHINAGA, Ryo SHINODA
  • Publication number: 20200361301
    Abstract: A vehicle battery unit comprising: a plurality of battery modules; an electric connection box; a battery control device configured to control the plurality of battery modules, a signal line extending from the electric connection box; a voltage detection line extending from the plurality of battery modules; and a battery case which accommodates the plurality of battery modules, the electric connection box, the battery control device, the signal line, and the voltage detection line. The battery control device includes: a first connector to which the signal line is connected on the one side in the front-rear direction; and a second connector to which the voltage detection line is connected on the other side in the front-rear direction. The battery control device is disposed above the plurality of battery modules and further on the one side than a center portion of the plurality of battery modules in the front-rear direction.
    Type: Application
    Filed: May 12, 2020
    Publication date: November 19, 2020
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tetsuhisa SAKAMOTO, Hiroyuki OZAWA
  • Publication number: 20200247225
    Abstract: A vehicle includes a vehicle interior; a front room provided in front of the vehicle interior; an electric motor control device provided at a rear side of the vehicle interior and below a floor panel; a battery provided below the vehicle interior and below the floor panel; a cooling device provided in the front room; a first cooling pipe configured to supply a refrigerant from the cooling device to the electric motor control device; and a second cooling pipe configured to discharge the refrigerant from the electric motor control device to the cooling device. The floor panel has a recessed portion recessed upwards, and the first cooling pipe and the second cooling pipe are accommodated in the recessed portion.
    Type: Application
    Filed: January 23, 2020
    Publication date: August 6, 2020
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Naoto KOCHI, Tetsuhisa SAKAMOTO, Ryosaku IZAWA