Patents by Inventor Yoshihiko Huruya

Yoshihiko Huruya 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).

  • Alternator driven by a vehicle engine
    Patent number: 3955097
    Abstract: There is provided a vehicle engine-driven alternator wherein an internal combustion engine is coarsely adjusted to a preset speed by an engine governor, the turning driving force of the engine is transmitted to an alternator through a magnetic slip coupling, and the excitation current to the magnetic slip coupling is controlled by an excitation control circuit which compares the number of revolutions of the alternator with a preset value to generate an output depending on the result of the comparison, thereby providing a source of alternating current having an extremely accurate preset frequency.
    Type: Grant
    Filed: October 25, 1974
    Date of Patent: May 4, 1976
    Assignees: Nippondenso Co., Ltd., Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Nobuhito Hobo, Osamu Ito, Yoshihiko Tsuzuki, Yutaka Suzuki, Itsushi Kawamoto, Suguru Sato, Yoshihiko Huruya, Kenro Sekino, Hironari Nukata