Patents by Inventor James E. Sadler

James E. Sadler 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).

  • Self-contained power subsystem
    Patent number: 4074527
    Abstract: A self-contained power subsystem having at least one actuator module containing at least one actuator, an expulsion tank module connected to the actuator module and a gas generator module connected to the expulsion tank module. A solid propellant within the gas generator module generates a gas, this gas, under pressure, passes into the expulsion tank module where it expels a hydraulic fluid located within the expulsion tank module to a plurality of passageways within the actuator module. Under control of a servo-valve the fluid within the actuator module operates the actuators.
    Type: Grant
    Filed: April 9, 1976
    Date of Patent: February 21, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: James E. Sadler