Patents by Inventor Markus Schnepp

Markus Schnepp 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).

  • Valve drive of an internal combustion engine
    Patent number: 8584639
    Abstract: A valve drive of an internal combustion engine is provided, having a camshaft (1) which includes a carrier shaft (2) and a cam part (3), which is arranged thereon in a rotationally fixed manner and displaceable between two axial positions and which has at least one cam group of directly adjoining cams (5, 6) having different cam elevations and an axial gate (8) having two cam tracks (9, 10) that extend axially along the circumference in opposing directions, and further having an actuating element (11) that can be coupled to the axial gate for displacing the cam part in the direction of both cam tracks. The cam tracks are arranged one behind the other in the circumferential direction of the axial gate (8).
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: November 19, 2013
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Harald Elendt, Lars Pfutzenreuter, Detlef Axmacher, Andreas Nendel, Markus Schnepp, Mathias Boegershausen, Heiko Schmidt
  • VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE
    Publication number: 20110247577
    Abstract: A valve drive of an internal combustion engine is provided, having a camshaft (1) which includes a carrier shaft (2) and a cam part (3), which is arranged thereon in a rotationally fixed manner and displaceable between two axial positions and which has at least one cam group of directly adjoining cams (5, 6) having different cam elevations and an axial gate (8) having two cam tracks (9, 10) that extend axially along the circumference in opposing directions, and further having an actuating element (11) that can be coupled to the axial gate for displacing the cam part in the direction of both cam tracks. The cam tracks are arranged one behind the other in the circumferential direction of the axial gate (8).
    Type: Application
    Filed: February 1, 2010
    Publication date: October 13, 2011
    Applicant: Schaeffler Technologies GmbH & Co. KG
    Inventors: Harald Elendt, Lars Pfutzenreuter, Detlef Axmacher, Andreas Nendel, Markus Schnepp, Mathias Boegershausen, Heiko Schmidt