Patents by Inventor Michael Stengele

Michael Stengele 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).

  • Check valve, and injector with hydraulic booster and check valve
    Patent number: 7789069
    Abstract: The invention relates to a check valve with a spherical valve element whose service life and operating reliability is considerably increased in relation to conventional check valves. The improved check valve is used in an injector for a fuel injection system of an internal combustion engine, having a hydraulic pressure booster.
    Type: Grant
    Filed: January 2, 2008
    Date of Patent: September 7, 2010
    Assignee: Robert Bosch GmbH
    Inventors: Nestor Rodriguez-Amaya, Markus Leimser, Michael Stengele, Andreas Theurer, Christoph Butscher, Alexander Giehl
  • CHECK VALVE, AND INJECTOR WITH HYDRAULIC BOOSTER AND CHECK VALVE
    Publication number: 20100024774
    Abstract: The invention relates to a check valve with a spherical valve element whose service life and operating reliability is considerably increased in relation to conventional check valves. The improved check valve is used in an injector for a fuel injection system of an internal combustion engine, having a hydraulic pressure booster.
    Type: Application
    Filed: January 2, 2008
    Publication date: February 4, 2010
    Inventors: Nestor Rodriguez-Amaya, Markus Leimser, Michael Stengele, Andreas Theurer, Christoph Butscher, Alexander Giehl