Patents Assigned to Perenco Limited
  • Relating to pressure fluid operated actuators
    Patent number: 4114470
    Abstract: A rotary actuator incorporating an enclosure with a rectilineal slideway along which a slide member is movable has means at one end of the slide member for moving the member along the slideway and further means at the other end of the slide member for restraining the slide member from rotary movement; the slide member carries a screw threaded nut assembly which engages a worm screw forming a part of an output shaft which is rotated when the slide member slides.
    Type: Grant
    Filed: January 14, 1977
    Date of Patent: September 19, 1978
    Assignee: Perenco Limited
    Inventor: Charles William Scott Sharpe