Patents by Inventor Andres Tonnesmann

Andres Tonnesmann 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: 8050847
    Abstract: A method for operating an exhaust gas mass flow sensor which is used, in particular, in exhaust gas mass flows of motor vehicles has an operating mode and a cleaning mode. In an operating mode, the exhaust gas mass flow sensor is operated at an operating temperature. In a cleaning mode, the exhaust gas mass flow sensor is changed over for the purpose of cleaning a measurement region and is cleaned at a cleaning temperature which is higher than the operating temperature.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: November 1, 2011
    Assignee: Pierburg GmbH
    Inventors: Karl-Heinrich Losing, Sven Nigrin, Karsten Grimm, Heinrich Dismon, Andres Tonnesmann
  • Publication number: 20100192671
    Abstract: A method for operating an exhaust gas mass flow sensor which is used, in particular, in exhaust gas mass flows of motor vehicles has an operating mode and a cleaning mode. In an operating mode, the exhaust gas mass flow sensor is operated at an operating temperature. In a cleaning mode, the exhaust gas mass flow sensor is changed over for the purpose of cleaning a measurement region and is cleaned at a cleaning temperature which is higher than the operating temperature.
    Type: Application
    Filed: December 20, 2006
    Publication date: August 5, 2010
    Applicant: PIERBURG GMBH
    Inventors: Karl-Heinrich Lösing, Sven Nigrin, Karsten Grimm, Heinrich Dismon, Andres Tönnesmann