Patents by Inventor Gary D. Dowdy

Gary D. Dowdy 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).

  • Piston with pin bore lubrication features
    Patent number: 7845269
    Abstract: A piston has a piston body with a pair of pin bosses having pin bores aligned along a central axis. The pin bores have bearing surfaces, wherein at least one recess extends axially across at least one of the bearing surfaces. A groove extends partially about the bearing surface circumference and is arranged in fluid communication with the recess. The recess and groove provide a lubrication feature to the pin bore, while the bearing surface has an uninterrupted portion for enhanced load carrying capacity.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: December 7, 2010
    Assignee: Federal-Mogul Worldwide, Inc.
    Inventors: James Russell Hayes, Gary D. Dowdy, Jeffery D. Wilkerson, John David Overbey
  • PISTON WITH PIN BORE LUBRICATION FEATURES
    Publication number: 20080250922
    Abstract: A piston has a piston body with a pair of pin bosses having pin bores aligned along a central axis. The pin bores have bearing surfaces, wherein at least one recess extends axially across at least one of the bearing surfaces. A groove extends partially about the bearing surface circumference and is arranged in fluid communication with the recess. The recess and groove provide a lubrication feature to the pin bore, while the bearing surface has an uninterrupted portion for enhanced load carrying capacity.
    Type: Application
    Filed: January 25, 2008
    Publication date: October 16, 2008
    Inventors: James Russell Hayes, Gary D. Dowdy, Jeffery D. Wilkerson, John David Overbey