Patents by Inventor Franz Zoehrer

Franz Zoehrer 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).

  • Differential gear unit with controllable torque and rotational speed distribution
    Patent number: 7588511
    Abstract: A differential gearing unit with controllable torque and rotational speed distribution, composed of a housing (1), a differential gearing (6), a superposition gearing (7) and an auxiliary drive (8), with the differential gearing (6) comprising an input member (11) which is driven by the vehicle engine, and two output members (15, 16) with output shafts (3, 4), and with the superposition gearing (7) being a planetary gear set which is connected to two members (15, 16) of the differential gearing (6) and to the auxiliary drive (8).
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: September 15, 2009
    Assignee: Magna Steyr Fährzeugtechnik AG & Co. KG
    Inventors: Ferdinand Tangl, Franz Zoehrer