Patents by Inventor Tsutomu Katauchi

Tsutomu Katauchi 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).

  • Automatic voltage regulating system in brushless generator
    Patent number: 4035713
    Abstract: An automatic voltage regulating system in a brushless generator comprising a permanent magnet provided on the stator side of a main generator and constituting a field system of an exciter generator portion, an exciter generating coil provided on the rotor side of the main generator, rectifier for rectifying a voltage induced in the exciter generating coil, a field coil of the main generator excited by the output of the rectifier and provided on the rotor side, and an armature coil of the main generator provided on the stator side, and characterized in that the permanent magnet and a control coil are provided on the exciter field system, and an automatic voltage regulating portion which detects the output voltage of the main generator and supplies the control coil with a controlling current is provided so that fluctuations of the output voltage of the main generator can be absorbed by the control coil.
    Type: Grant
    Filed: March 16, 1976
    Date of Patent: July 12, 1977
    Assignees: Sawafuji Electric Company, Ltd., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Takato Kawamoto, Tsutomu Katauchi, Eizi Narumi, Katsutoshi Tagami