Patents by Inventor Wolfgang Dehmel

Wolfgang Dehmel 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 and device for monitoring a fuel system of an internal combustion engine
    Patent number: 6840222
    Abstract: A device and a method of monitoring a fuel metering system of an internal combustion engine, in particular a common rail system. The fuel is compressed by a pump, and a pressure variable characterizing the fuel pressure is determined. An error is detected when a filtered pressure variable deviates from a threshold value.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: January 11, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Stephan Schilling, Wolfgang Dehmel, Andreas Kellner
  • Method and device for monitoring a fuel system of an internal combustion engine
    Publication number: 20040020281
    Abstract: A device and a method of monitoring a fuel metering system of an internal combustion engine, in particular a common rail system, are described. The fuel is compressed by a pump, and a pressure variable characterizing the fuel pressure is determined. An error is detected when a filtered pressure variable deviates from a threshold value.
    Type: Application
    Filed: June 9, 2003
    Publication date: February 5, 2004
    Inventors: Stephan Schilling, Wolfgang Dehmel, Andreas Kellner