Patents by Inventor Edgar R. Schlipf

Edgar R. Schlipf 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: 6761546
    Abstract: A gear pump comprises a casing and gear rotors disposed therein. The gear rotors are lodged in bearing sections of plain bearings that are lubricated by the pumping medium. They have at least one cooling duct which is embodied such that cooling varies along the circumference and/or in the longitudinal direction and/or in the radial direction of the plain bearing.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: July 13, 2004
    Assignee: Coperion Werner & Pfleiderer GmbH & Co. KG
    Inventors: Edgar R. Schlipf, Peter Heidemeyer, Rainer Herter
  • Publication number: 20030147765
    Abstract: A gear pump comprises a casing (1) and gear rotors (2, 3) disposed therein. The gear rotors (2, 3) are lodged in bearing sections (15 to 18) of plain bearings (11 to 14) that are lubricated by the pumping medium. They have at least one cooling duct (39) which is embodied such that cooling varies along the circumference and/or in the longitudinal direction and/or in the radial direction of the plain bearing (11 to 14).
    Type: Application
    Filed: December 9, 2002
    Publication date: August 7, 2003
    Inventors: Edgar R Schlipf, Peter Heidemeyer, Rainer Herter