Patents by Inventor Eugene G. Ash

Eugene G. Ash 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).

  • Method and means for repairing injection fuel pump pistons
    Patent number: 4748958
    Abstract: The repair of a work timing piston for a rotary fuel injection pump having a cast aluminum cylinder for the piston and a steel piston is accomplished by reducing the diameter of the piston and jacketing it with an aluminum sleeve which has been hard coat anodized to eliminate galling.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: June 7, 1988
    Inventors: Eugene G. Ash, Martin J. Tompkins, Jr.
  • Method for building or repairing rotary injection fuel pump piston cylinders
    Patent number: 4594988
    Abstract: A method for providing an improved sleeve 100 as a cylinder 62 for an advance piston 50 of a rotary fuel injection pump is described. The sleeve 100 provides long cylinder 62 life with a piston 50 made of a much harder material such as steel. The method is particularly suited for repairing such fuel pumps, but can also be used for newly manufactured pumps.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: June 17, 1986
    Inventors: Martin J. Tompkins, Jr., Eugene G. Ash