Patents Assigned to Valinco, Inc.
  • Vane type valve actuator
    Patent number: 4379543
    Abstract: In the preferred and illustrated embodiment of a valve actuator, a vane type fail safe actuator is disclosed. The actuator comprises a housing enclosing a vane which is integral with a shaft extending through the housing to a rotary operable valve. Fail safe operation is provided by a spring return mechanism connected to the housing. Compressed air is utilized to operate the actuator and the spring return mechanism which assures complete valve closure when the air supply fails or is reduced below a predetermined minimum setting.
    Type: Grant
    Filed: August 5, 1980
    Date of Patent: April 12, 1983
    Assignee: Valinco, Inc.
    Inventor: V. Randon Reaves