Patents by Inventor Tetsuya Tanigaki

Tetsuya Tanigaki 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).

  • Hydraulic rotary actuator
    Patent number: 4506590
    Abstract: A hydraulic rotary actuator which comprises a harmonic drive and a hydraulic motor completely enclosed in the casing of the harmonic drive so that the rotation of the motor is taken out through an output shaft fixed to the drive at a reduced speed. In the casing of the harmonic drive there are provided an electromagnetic brake which acts on the motor, means for increasing the performance of the magnetic brake, means for magnetically shielding the supporting shaft of the hydraulic motor, and means for detecting the angular position of the motor and that of the output shaft relative to the supporting shaft of the motor.
    Type: Grant
    Filed: July 21, 1983
    Date of Patent: March 26, 1985
    Assignee: Shimadzu Coporation
    Inventors: Masayuki Miki, Tetsuya Tanigaki