Patents by Inventor Christopher G. Wark

Christopher G. Wark 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).

  • Temperature control for gas assisted fuel delivery
    Publication number: 20040112344
    Abstract: A method and apparatus for atomizing fuel being delivered for combustion. The method and apparatus includes providing a stream of pressurized gas, controlling a temperature of the stream of gas to a desired temperature, and injecting a quantity of fuel into the stream of gas, wherein the desired temperature is selected to atomize the fuel to a desired fuel droplet size.
    Type: Application
    Filed: December 17, 2002
    Publication date: June 17, 2004
    Inventors: Christopher G. Wark, Cathy Y. Choi
  • Piston assembly for use in a free piston internal combustion engine
    Patent number: 6694930
    Abstract: A piston assembly, particularly suitable for use in a free piston internal combustion engine, is provided with a piston including at least one oil coolant passage therein. The plunger shaft is substantially rigidly attached to the piston and axially extends from the piston. The plunger shaft includes at least one oil supply passage fluidly connected with at least one oil coolant passage.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: February 24, 2004
    Assignee: Caterpillar Inc
    Inventors: Willibald G. Berlinger, William E. Moser, Cornelius N. Opris, Christopher G. Wark, Leland W. Weiss
  • Piston assembly for use in a free piston internal combustion engine
    Publication number: 20030066499
    Abstract: A piston assembly, particularly suitable for use in a free piston internal combustion engine, is provided with a piston including at least one oil coolant passage therein. The plunger shaft is substantially rigidly attached to the piston and axially extends from the piston. The plunger shaft includes at least one oil supply passage fluidly connected with at least one oil coolant passage.
    Type: Application
    Filed: October 4, 2001
    Publication date: April 10, 2003
    Inventors: Willibald G. Berlinger, William E. Moser, Cornelius N. Opris, Christopher G. Wark, Leland W. Weiss