Patents by Inventor Paul Scheffler

Paul Scheffler 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).

  • Fuel pump designed as rotor pump
    Patent number: 5188072
    Abstract: The fuel pump permits a high delivery pressure with a low degree of pressure fluctuations and can be attached to the internal-combustion engine in a space-saving manner in axial prolongation of the camshaft and can be driven in a simple fashion. In an alternative embodiment of the invention, the fuel pump serves as a tensioning device for a belt or chain drive by virtue of the drive wheel of the fuel pump acting as a belt or chain tensioning roller.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: February 23, 1993
    Assignee: Kloeckner-Humboldt-Deutz AG
    Inventors: Albert Nolte, Joachim Altdorf, Paul Scheffler