Patents by Inventor Phil D. La Force

Phil D. La Force 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).

  • Nozzle ejection system
    Patent number: 4022129
    Abstract: A nozzle ejection system having an outer nozzle, an inner nozzle located within the outer nozzle and a snap ring within the outer nozzle for holding the inner nozzle in place. An explosive charge is operatively connected to the snap ring, with the explosive charge detonating at a preselected time thereby either breaking or releasing the snap ring and allowing the inner nozzle to be ejected from the outer nozzle.
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: May 10, 1977
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: John E. Day, Phil D. La Force
  • Dual mode fluid management system
    Patent number: 4000613
    Abstract: A dual orifice injector assembly for use in a hybrid rocket motor having a oost and sustain mode and capable of controlling liquid flow rate for the two different modes of operation comprising an inlet manifold to distribute the fluid through a sustain injector and boost injector, actuating means for axially moving the sustain injector into a position to close off the boost injector for the sustain mode of operation and a flow deflector to cause the fluid to be dispersed in a fan like pattern at an angle 180.degree. to the axis of the manifold housing.
    Type: Grant
    Filed: February 13, 1975
    Date of Patent: January 4, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Akiharu Fukumoto, Phil D. La Force