Patents by Inventor Daniel E. Kirtley

Daniel E. Kirtley 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).

  • Replaceable cylinder liner with improved cooling
    Patent number: 6328001
    Abstract: A replaceable cylinder liner for an internal combustion engine. The position of the liner within the block is established by a midstop. An interference fit below the midstop seals the bottom end of a cooling passage that extends around the liner. The top end of the cooling passage is sealed by an o-ring, and when the engine is warmed up by an interference fit also. The top of the cooling passage is close to the top dead center position of the top piston ring, and reduces the temperature of the top piston ring.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: December 11, 2001
    Assignee: Cummins Engine Company, Inc.
    Inventors: Daniel E. Kirtley, Carol L. Corbeels, Andrew P. Perr, Abby J. Dawkins, Kristopher R. Bare
  • Replaceable cylinder liner with improved cooling
    Patent number: 6116198
    Abstract: A replaceable cylinder liner for an internal combustion engine. The position of the liner within the block is established by a midstop. An interference fit below the midstop seals the bottom end of a cooling passage that extends around the liner. The top end of the cooling passage is sealed by an o-ring, and when the engine is warmed up by an interference fit also. The top of the cooling passage is close to the top dead center position of the top piston ring, and reduces the temperature of the top piston ring.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: September 12, 2000
    Assignee: Cummins Engine Company, Inc.
    Inventors: Daniel E. Kirtley, Carol L. Corbeels, Andrew P. Perr, Abby J. Dawkins, Kristopher R. Bare