Patents by Inventor Stefan Foerst

Stefan Foerst 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).

  • Valve housing for a control valve of a camshaft adjusting system, and method for producing a valve housing
    Patent number: 9284860
    Abstract: A valve housing for a control valve of a camshaft adjuster, including a housing flange for fastening to a control unit as well as an essentially cylindrical housing component for accommodating a control piston. It is provided that the housing component is rotatably fixedly attached to the housing flange by a form-locked connection. A valve housing of this type is cost effective to manufacture and has a low weight, while ensuring operational reliability. The invention furthermore relates to a method for manufacturing an aforementioned valve housing.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: March 15, 2016
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Phillipp Bittel, Stefan Foerst, Markus Weiss, Josef Groeschel
  • VALVE HOUSING FOR A CONTROL VALVE OF A CAMSHAFT ADJUSTING SYSTEM, AND METHOD FOR PRODUCING A VALVE HOUSING
    Publication number: 20130284129
    Abstract: A valve housing for a control valve of a camshaft adjuster, including a housing flange for fastening to a control unit as well as an essentially cylindrical housing component for accommodating a control piston. It is provided that the housing component is rotatably fixedly attached to the housing flange by a form-locked connection. A valve housing of this type is cost effective to manufacture and has a low weight, while ensuring operational reliability. The invention furthermore relates to a method for manufacturing an aforementioned valve housing.
    Type: Application
    Filed: August 23, 2011
    Publication date: October 31, 2013
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Phillipp Bittel, Stefan Foerst, Markus Weiss, Josef Groeschel