Patents by Inventor Andreas Schrattbauer

Andreas Schrattbauer 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).

  • Crankcase breathing system
    Patent number: 8171898
    Abstract: A crankcase breathing system (1) for an internal combustion engine includes at least one oil separating apparatus with a preliminary separator (3) and a main separator (4) arranged downstream of the same, with the preliminary separator (3) including a diffuser (11) between an inlet (7) and an outlet (8) which expands in the direction of flow. In order to achieve high separation rates in the simplest possible way it is provided that the preliminary separator (3) is arranged integrally with the main separator (4), with preferably the preliminary separator (3) and the main separator (4) forming a separator unit (2).
    Type: Grant
    Filed: February 1, 2007
    Date of Patent: May 8, 2012
    Assignee: AVL List GmbH
    Inventors: Günther Nagenkögl, Robert Roithinger, Robert Pöschl, Helmut Altendorfer, Andreas Schrattbauer, Christof Knollmayr
  • Crankcase Breathing System
    Publication number: 20090314230
    Abstract: The invention relates to a crankcase breathing system (1) for an internal combustion engine, comprising at least one oil separating apparatus with a preliminary separator (3) and a main separator (4) arranged downstream of the same, with the preliminary separator (3) comprising a diffuser (11) between an inlet (7) and an outlet (8) which expands in the direction of flow. In order to achieve high separation rates in the simplest possible way it is provided that the preliminary separator (3) is arranged integrally with the main separator (4), with preferably the preliminary separator (3) and the main separator (4) forming a separator unit (2).
    Type: Application
    Filed: February 1, 2007
    Publication date: December 24, 2009
    Inventors: Günther Nagenkögl, Robert Roithinger, Robert Pöschl, Helmut Altendorfer, Andreas Schrattbauer, Christof Knollmayr