Patents by Inventor William Dammers

William Dammers 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: 7201125
    Abstract: A valve train for an internal combustion engine is provided, with the valve train having a switchable rocker arm assembly (1) with a plurality of rocker arms (6, 7, 8) for activating at least one gas exchange valve (2), and also having at least one camshaft (3) with differently contoured cams (4, 5) through which different adjusting displacements can be imparted to individual rocker arms of the rocker arm assembly (1). The assembly further includes a switching device (9) for selectively activating the rocker arms for driving the gas exchange valve (2) with a varying valve lift.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: April 10, 2007
    Assignee: Schaeffler KG
    Inventors: Matthew Evans, William Dammers, Florin Bugescu
  • Publication number: 20070039578
    Abstract: A valve train for an internal combustion engine is provided, with the valve train having a switchable rocker arm assembly (1) with a plurality of rocker arms (6, 7, 8) for activating at least one gas exchange valve (2), and also having at least one camshaft (3) with differently contoured cams (4, 5) through which different adjusting displacements can be imparted to individual rocker arms of the rocker arm assembly (1). The assembly further includes a switching device (9) for selectively activating the rocker arms for driving the gas exchange valve (2) with a varying valve lift.
    Type: Application
    Filed: August 22, 2006
    Publication date: February 22, 2007
    Applicant: SCHAEFFLER KG
    Inventors: Matthew Evans, William Dammers, Florin Bugescu