Patents by Inventor Martin Weidenthaler

Martin Weidenthaler 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).

  • Planetary gear for variable transmission
    Patent number: 8992361
    Abstract: A planetary gear (1, 20, 30, 40) for variable transmission, particularly a planetary gear for variable transmission towards a tail rotor of a helicopter. At least one gear set (s1, s2, s3, s4) of a sun gear (w4, w6, 21) comprises a ring gear (w1, w7), planetary wheels (2, 22, 32) and a planet carrier (w2, w3, w8). At least one clutch (k, K1, K2) and at least one freewheel (Fl, FL1, FL2) are provided for at least two different speeds of the planet carrier (w2, w3, w8) as output.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: March 31, 2015
    Assignee: Airbus Helicopters Deutschland GmbH
    Inventors: Andreas Doleschel, Martin Weidenthaler, Christian Wirth, Franz Kurth, Bernd-Robert Hohn