Patents by Inventor Paul H. Berg

Paul H. Berg 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).

  • Variable area turbine
    Patent number: 4657476
    Abstract: Exhaust gas turbine for driving a charging compressor for an internal combustion engine has movable inlet vanes. The vanes are controlled by sensing the inlet and outlet pressure at the vanes and adjusting the vanes in accordance with these pressures in order to maximize turbine efficiency.
    Type: Grant
    Filed: April 11, 1984
    Date of Patent: April 14, 1987
    Assignee: Turbotech, Inc.
    Inventor: Paul H. Berg
  • Turbocharger shaft seal arrangement
    Patent number: 4268229
    Abstract: A shaft seal ring arrangement for turbochargers comprises a pair of vented seal rings for preventing passage of bearing lubricant into the turbocharger turbine housing.
    Type: Grant
    Filed: April 19, 1979
    Date of Patent: May 19, 1981
    Assignee: The Garrett Corporation
    Inventor: Paul H. Berg