Patents by Inventor Peter Borkenhagen

Peter Borkenhagen 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).

  • Internal combustion engine comprising a valve train with valve springs and method for mounting such a valve spring
    Patent number: 10557387
    Abstract: Methods and systems are provided for cylinder valves of an internal combustion engine. In one example, a valve assembly may include a poppet valve and a valve spring. The valve spring includes a plurality of legs adapted to engage with an annular groove of the valve spring in order to couple the valve spring to the poppet valve.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: February 11, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Rainer Friedfeldt, Peter Borkenhagen, Ulrich Heiter
  • INTERNAL COMBUSTION ENGINE COMPRISING A VALVE TRAIN WITH VALVE SPRINGS AND METHOD FOR MOUNTING SUCH A VALVE SPRING
    Publication number: 20180291774
    Abstract: Methods and systems are provided for cylinder valves of an internal combustion engine. In one example, a valve assembly may include a poppet valve and a valve spring. The valve spring includes a plurality of legs adapted to engage with an annular groove of the valve spring in order to couple the valve spring to the poppet valve.
    Type: Application
    Filed: March 23, 2018
    Publication date: October 11, 2018
    Inventors: Rainer Friedfeldt, Peter Borkenhagen, Ulrich Heiter