Patents by Inventor Delbert E. Truesdell

Delbert E. Truesdell 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).

  • Priority flow valve
    Patent number: 4192337
    Abstract: An improvement to a priority valve which provides priority flow to a priority function, not only directly from a fluid power source, but also from an accumulator when the priority demand exceeds the output of the fluid power source. This priority flow valve also provides flow to one or more secondary functions when the priority flow requirements are satisfied or when the priority flow path is blocked.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: March 11, 1980
    Assignee: The Cessna Aircraft Company
    Inventors: Loren L. Alderson, Delbert E. Truesdell