Patents by Inventor James A Walendzik

James A Walendzik 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).

  • Dual function fuel supply module
    Patent number: 6253739
    Abstract: A dual function fuel delivery system is provided including a mechanical gear-driven pump and an electric pump. The electric pump is selectively energized to deliver fuel to the mechanical gear-driven pump. The electric pump is energized when an RPM level in the engine is less than a first threshold value or when a fuel rail pressure in a fuel rail of the system is less than a second threshold value. The electric pump is de-energized when the RPM level is greater than or equal to the first threshold value and the fuel rail pressure is greater than or equal to the second threshold value.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: July 3, 2001
    Assignee: DaimlerChrysler Corporation
    Inventors: Christopher J Golomb, Richard H Bienick, James A Walendzik