Patents by Inventor Alan H. Zhao

Alan H. Zhao 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).

  • Patent number: 5558066
    Abstract: A fuel system vibration damper. A damper is affixed to the fuel system drive gear in order to counteract torsional vibration produced in the fuel system drive gear by the fuel system, such as a fuel injection system or a fuel pump. The damper additionally dampens the response of the entire fuel system drive train, thereby reducing engine noise due to gear rattle.
    Type: Grant
    Filed: February 2, 1995
    Date of Patent: September 24, 1996
    Assignee: Cummins Engine Company, Inc.
    Inventor: Alan H. Zhao