Patents by Inventor Holger Bergemann

Holger Bergemann 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 timing control apparatus and method
    Patent number: 8640662
    Abstract: A valve timing control apparatus for a combustion engine according to which a rotational member, such as a sprocket, is driven by said combustion engine, a rotor is mechanically coupled with a camshaft for controlling opening and closing of cylinder valves of said combustion engine, a first configuration is provided in which the rotor is locked to the rotational member; and a second configuration is provided in which the rotor is unlocked from said rotational member. In another aspect an operating method of said valve timing control apparatus for adjusting a valve timing of a combustion engine is provided. The apparatus controls a relative rotation between a camshaft and an output shaft, which can either be prevented or permitted.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: February 4, 2014
    Assignee: Hilite Germany GmbH
    Inventors: Joe S. Cole, Jack D. Hutcheson, Kenneth Parker, Wes Gerszewski, Steve Nance, Daniel Viertler, Markus Todt, Holger Bergemann
  • VALVE TIMING CONTROL APPARATUS AND METHOD
    Publication number: 20130000578
    Abstract: A valve timing control apparatus for a combustion engine according to which a rotational member, such as a sprocket, is driven by said combustion engine, a rotor is mechanically coupled with a camshaft for controlling opening and closing of cylinder valves of said combustion engine, a first configuration is provided in which the rotor is locked to the rotational member; and a second configuration is provided in which the rotor is unlocked from said rotational member. In another aspect an operating method of said valve timing control apparatus for adjusting a valve timing of a combustion engine is provided. The apparatus controls a relative rotation between a camshaft and an output shaft, which can either be prevented or permitted.
    Type: Application
    Filed: January 4, 2012
    Publication date: January 3, 2013
    Applicant: HILITE GERMANY GMBH
    Inventors: Joe S. Cole, Jack D. Hutcheson, Kenneth Parker, Wes Gerszewski, Steve Nance, Daniel Viertler, Markus Todt, Holger Bergemann