Patents by Inventor Markus Amman

Markus Amman 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).

  • Device for determining the exhaust gas recirculation rate of an internal combustion engine
    Patent number: 7100431
    Abstract: In a device for determining an exhaust gas recirculation rate (EGR) in an internal combustion engine, wherein the device includes a sensor unit, which in a first region is exposed to an exhaust-gas atmosphere from an exhaust gas recirculation line and in a second region is exposed to an exhaust gas/fresh air atmosphere in an intake line of the internal combustion engine downstream of a location where the exhaust gas recirculation line opens into the intake line, the sensor unit disposed in the intake line is tubular with the inner side of the sensor unit being exposed to the exhaust gas atmosphere and the outer side of the sensor unit being exposed to the exhaust gas/fresh air atmosphere. The sensor unit is preferably positioned centrally within the intake line away from the wall of the intake line.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: September 5, 2006
    Assignee: DaimlerChrysler AG
    Inventors: Markus Amman, Nikolas Fekete, Dirk Herbstritt, Aleksandar Knezevic, Ralf Müller, Carsten Plog