Patents by Inventor Dave M. Rix

Dave M. Rix 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).

  • FUEL PUMP
    Publication number: 20100043760
    Abstract: A fuel pump is disclosed wherein a substantially cylindrical plunger bore is provided with an annular drain groove fluidically coupled to a drain duct. A pump plunger is driven by a drive system located in a separate mechanical compartment that holds a reservoir of lubricating oil. An annular seal is provided adjacent the drain groove substantially at the end of the bore and retained in position by a seal support. Exemplary embodiments provide the drain groove and seal as being positioned immediately adjacent one another so that the seal forms a lower wall of the drain groove.
    Type: Application
    Filed: August 21, 2008
    Publication date: February 25, 2010
    Applicant: CUMMINS INC.
    Inventors: John D. Crofts, Scott Simmons, Wesley R. Thayer, Bela Doszpoly, Dave M. Rix, Anthony A. Shaull, David L. Buchanan