Patents by Inventor Achim Friedel

Achim Friedel 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).

  • Diagnostic method and device for controlling an internal combustion engine
    Patent number: 7890245
    Abstract: A device and a method for controlling an internal combustion engine, in which an actual value is determined based on a lambda value and compared with a setpoint value. Based on the comparison, a correction value for a controlled variable is determined and stored. An error is detected if the correction value changes abruptly.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: February 15, 2011
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Breitbach, Achim Friedel
  • Diagnostic Method and Device for Controlling an Internal Combustion Engine
    Publication number: 20100004842
    Abstract: A device and a method for controlling an internal combustion engine, in which an actual value is determined based on a lambda value and compared with a setpoint value. Based on the comparison, a correction value for a controlled variable is determined and stored. An error is detected if the correction value changes abruptly.
    Type: Application
    Filed: September 7, 2006
    Publication date: January 7, 2010
    Inventors: Thomas Breitbach, Achim Friedel