Patents by Inventor Hans-Werner Schlingensief

Hans-Werner Schlingensief 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: 8202065
    Abstract: A high pressure fuel pump encompasses at least one delivery chamber and one high pressure outlet. in addition, a pressure limiting valve with a valve that is actuated by a pressure differential is provided that can open from the high pressure outlet to the delivery chamber. On a high pressure side of a valve seat of the pressure limiting valve, it is advantageous that a throttle device is provided, whose free cross section is at most approximately equal to a desired maximum opening cross section of the pressure limiting valve.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: June 19, 2012
    Assignee: Robert Bosch GmbH
    Inventors: Heinz Siegel, Volkmar Goldschmitt, Martin Laich, Peter Ropertz, Siamend Flo, Klaus Lang, Joachim Zumbraegel, Rainer Wilms, Berthold Pfuhl, Victorio Toscano, Hans-Werner Schlingensief
  • Publication number: 20090252621
    Abstract: A high pressure fuel pump encompasses at least one delivery chamber and one high pressure outlet. In addition, a pressure limiting valve with a valve that is actuated by a pressure differential is provided that can open from the high pressure outlet to the delivery chamber. On a high pressure side of a valve seat of the pressure limiting valve, it is advantageous that a throttle device is provided, whose free cross section is at most approximately equal to a desired maximum opening cross section of the pressure limiting valve.
    Type: Application
    Filed: April 16, 2007
    Publication date: October 8, 2009
    Inventors: Heinz Siegel, Volkmar Goldschmitt, Martin Laich, Peter Ropertz, Siamend Flo, Klaus Lang, Joachim Zumbraegel, Rainer Wilms, Berthold Pfuhl, Victorio Toscano, Hans-Werner Schlingensief