Patents by Inventor Eiichiro URABE

Eiichiro URABE 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: 11381136
    Abstract: A vehicle drive device includes: a first rotary electric machine; a second rotary electric machine that is arranged below the first rotary electric machine; and a case having a rotary electric machine housing portion that houses the first rotary electric machine and the second rotary electric machine. The first rotary electric machine and the second rotary electric machine are cooled by a refrigerant flowing inside the case, and in the rotary electric machine housing portion, a guide portion that prevents the refrigerant, which has cooled the first rotary electric machine, from being applied to the second rotary electric machine is provided.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 5, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Eiichiro Urabe, Norikazu Kawai
  • Publication number: 20190305645
    Abstract: A vehicle drive device includes: a first rotary electric machine; a second rotary electric machine that is arranged below the first rotary electric machine; and a case having a rotary electric machine housing portion that houses the first rotary electric machine and the second rotary electric machine. The first rotary electric machine and the second rotary electric machine are cooled by a refrigerant flowing inside the case, and in the rotary electric machine housing portion, a guide portion that prevents the refrigerant, which has cooled the first rotary electric machine, from being applied to the second rotary electric machine is provided.
    Type: Application
    Filed: March 28, 2019
    Publication date: October 3, 2019
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Eiichiro URABE, Norikazu KAWAI
  • Patent number: 9941776
    Abstract: A case structure to accommodate a driving apparatus including a first motor and a second motor includes a first case, a second case, a first joint portion, an intermediate case, a positioning portion, and a first end portion of a second rotor or a second rotary shaft of the second motor. A stator of the first motor is to be attached to the first case. The second case is joined to the first case. The first joint portion is provided by joining a first end surface of the first case and an end surface of the second case together. The intermediate case is disposed on an inner diameter side of the first joint portion and attached to a stator of the second motor and to the first case. The intermediate case is positioned at the positioning portion with respect to the second case.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: April 10, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroshi Takei, Takashi Fukuda, Eiichiro Urabe, Tatsuya Noda, Jun Masuda
  • Publication number: 20150236573
    Abstract: A case structure to accommodate a driving apparatus including a first motor and a second motor includes a first case, a second case, a first joint portion, an intermediate case, a positioning portion, and a first end portion of a second rotor or a second rotary shaft of the second motor. A stator of the first motor is to be attached to the first case. The second case is joined to the first case. The first joint portion is provided by joining a first end surface of the first case and an end surface of the second case together. The intermediate case is disposed on an inner diameter side of the first joint portion and attached to a stator of the second motor and to the first case. The intermediate case is positioned at the positioning portion with respect to the second case.
    Type: Application
    Filed: January 7, 2015
    Publication date: August 20, 2015
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hiroshi TAKEI, Takashi FUKUDA, Eiichiro URABE, Tatsuya NODA, Jun MASUDA