Patents by Inventor William L. Kingsbury

William L. Kingsbury 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).

  • Diesel engine combustion chambers
    Patent number: 4122804
    Abstract: Combustion chamber arrangements for divided chamber (prechamber) type diesel engines characterized by relatively low emissions of HC, CO and NO.sub.x, relatively low noise and physical stress and good fuel economy and power output and having (1) canted valves in the heads and forming therewith lateral wedge-shaped valve recesses, (2) cooperating wedge recesses in the pistons forming disc or pancake-like valve pockets in conjunction with the cylinder head recesses and (3) in-head prechambers closed by flame cups having wide connecting passages in their floors and side outlets for connection through channels with the edges of the valve pockets.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: October 31, 1978
    Assignee: General Motors Corporation
    Inventors: William L. Kingsbury, Kelly W. Thurston, Harry L. Chapman
  • Diesel engine combustion chambers
    Patent number: 4122805
    Abstract: Combustion chamber arrangements for divided chamber (prechamber) type diesel engines characterized by relatively low emissions of HC, CO and NO.sub.x, relatively low noise and physical stress and good fuel economy and power output and having (1) canted valves in the heads and forming therewith lateral wedge-shaped valve recesses, (2) cooperating wedge recesses in the pistons forming disc or pancake-like valve pockets in conjunction with the cylinder head recesses and (3) in-head prechambers closed by flame cups having wide connecting passages in their floors and side outlets for connection through channels with the edges of the valve pockets.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: October 31, 1978
    Assignee: General Motors Corporation
    Inventors: William L. Kingsbury, Kelly W. Thurston