Patents by Inventor Hiroyoshi Nimura

Hiroyoshi Nimura 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).

  • Compound electromagnetic valve, high pressure pump and apparatus for controlling high pressure pump
    Patent number: 6581573
    Abstract: An electromagnetic control valve has a passage for conducting fluid. An electromagnetic actuator generates an electromagnetic force. A main valve body opens and closes the passage in accordance with the electromagnetic force generated by the electromagnetic actuator. A bypass is formed in the main valve body. A sub valve body opens and closes the bypass in accordance with the electromagnetic force generated by the electromagnetic actuator. The electromagnetic force generated by the electromagnetic actuator is adjusted such that the sub valve body is opened and closed while the main valve body closes the passage.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: June 24, 2003
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroyoshi Nimura, Yoshiharu Takemoto, Koji Kasahara, Toshiaki Yamamoto, Takashi Takemoto, Kazunari Hashimoto
  • Compound electromagnetic valve, high pressure pump and apparatus for controlling high pressure pump
    Publication number: 20020035988
    Abstract: An electromagnetic control valve has a passage for conducting fluid. An electromagnetic actuator generates an electromagnetic force. A main valve body opens and closes the passage in accordance with the electromagnetic force generated by the electromagnetic actuator. A bypass is formed in the main valve body. A sub valve body opens and closes the bypass in accordance with the electromagnetic force generated by the electromagnetic actuator. The electromagnetic force generated by the electromagnetic actuator is adjusted such that the sub valve body is opened and closed while the main valve body closes the passage.
    Type: Application
    Filed: September 24, 2001
    Publication date: March 28, 2002
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroyoshi Nimura, Yoshiharu Takemoto, Koji Kasahara, Toshiaki Yamamoto, Takashi Takemoto, Kazunari Hashimoto