Patents by Inventor Siegmar Foerster

Siegmar Foerster 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).

  • Method for controlling the knocking of an internal combustion engine and a corresponding device
    Patent number: 6581570
    Abstract: A method for knock control of an internal combustion engine, in which values are provided by an adaptive characteristics map for retarding an ignition angle is proposed, the values of the adaptive characteristics map being assigned to at least one operating parameter. Upon occurrence of a dynamic in the at least one operating parameter, a characteristics map value (wkra) is read from the adaptive characteristics map as a function of the instantaneous value of the at least one operating parameter. In this context, a previous value for the ignition angle adjustment (wkr(old)) is only replaced by the characteristics map value (wkra) when the amount of the difference between the previous value for the ignition angle adjustment (wkr(old)) and the characteristics map value (wkra) is less than a predefinable ignition angle difference (KRDWAA) (|wkr(old)−wkra|<KRDWAA).
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: June 24, 2003
    Assignee: Robert Bosch GmbH
    Inventors: Steffen Franke, Siegmar Foerster
  • Method for controlling the knocking of an internal combustion engine and a corresponding device
    Publication number: 20020073964
    Abstract: A method for knock control of an internal combustion engine, in which values are provided by an adaptive characteristics map for retarding an ignition angle is proposed, the values of the adaptive characteristics map being assigned to at least one operating parameter. Upon occurrence of a dynamic in the at least one operating parameter, a characteristics map value (wkra) is read from the adaptive characteristics map as a function of the instantaneous value of the at least one operating parameter. In this context, a previous value for the ignition angle adjustment (wkr(old)) is only replaced by the characteristics map value (wkra) when the amount of the difference between the previous value for the ignition angle adjustment (wkr(old)) and the characteristics map value (wkra) is less than a predefinable ignition angle difference (KRDWAA) (|wkr(old)−wkra|<KRDWAA).
    Type: Application
    Filed: October 12, 2001
    Publication date: June 20, 2002
    Inventors: Steffen Franke, Siegmar Foerster