Patents by Inventor Kilian Dummer

Kilian Dummer 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: 9840941
    Abstract: An internal lever for a switchable cam follower for a valve train of an internal combustion engine with two opposite side walls (1, 2), between which at least one cam roller (9) can be arranged for following a cam stroke motion and aligned opposing openings (3, 4) on a support-side lever end area for holding a shaft (7) for the pivoting support on an external lever (8) of the cam follower encompassing the internal lever at least in some sections. The side walls (1, 2) are made from sheet metal and, arranged in the area of the openings (3, 4) spaced apart from each other, define a space for the arrangement of the cam roller (9) and are connected to each other by at least one stiffening element (5). A method for producing an internal lever is also provided.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: December 12, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Michael Kress, Kilian Dummer
  • Publication number: 20170204748
    Abstract: An internal lever for a switchable cam follower for a valve train of an internal combustion engine with two opposite side walls (1, 2), between which at least one cam roller (9) can be arranged for following a cam stroke motion and aligned opposing openings (3, 4) on a support-side lever end area for holding a shaft (7) for the pivoting support on an external lever (8) of the cam follower encompassing the internal lever at least in some sections. The side walls (1, 2) are made from sheet metal and, arranged in the area of the openings (3, 4) spaced apart from each other, define a space for the arrangement of the cam roller (9) and are connected to each other by at least one stiffening element (5). A method for producing an internal lever is also provided.
    Type: Application
    Filed: January 11, 2017
    Publication date: July 20, 2017
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Michael Kress, Kilian Dummer