Patents by Inventor Leo H. Dillon

Leo H. Dillon 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).

  • Electrohydraulic control for an axial piston pump
    Patent number: 4216699
    Abstract: The instant invention relates to an electrically operated control which operates the displacement setting mechanism of a variable displacement pump and allows the displacement mechanism to be manually operated when the electrically operated control is disabled.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: August 12, 1980
    Assignee: Abex Corporation
    Inventors: Ellis H. Born, Paul B. Wolfe, Leo H. Dillon
  • Horsepower limiter control for a variable displacement pump
    Patent number: 4076459
    Abstract: A horsepower limiter control for an axial piston pump provides a simple adjustment for setting the maximum horsepower the pump can provide and automatically adjusts the product of working pressure and maximum pump displacement to maintain the set horsepower. The horsepower limiter control operates to reduce the displacement of the pump when working fluid pressure exceeds the setting of the sequence valve.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: February 28, 1978
    Assignee: Abex Corporation
    Inventors: Cecil E. Adams, Leo H. Dillon, Ellis H. Born, David L. Thurston
  • Control system for axial piston fluid energy translating device
    Patent number: 3982470
    Abstract: A control for an axial piston type variable displacement fluid energy translating device has an auxiliary control device which connects to a manual control and provides a variety of operating functions for the fluid energy translating device.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: September 28, 1976
    Assignee: Abex Corporation
    Inventors: Cecil E. Adams, Leo H. Dillon