Patents by Inventor Karl Lengl

Karl Lengl 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).

  • Publication number: 20110286843
    Abstract: A drive device for driving at least one first axle and one second axle (axle 1, axle 2, axle 3), comprising a first control device (1, 2, 3) which subjects the at least one first axle (axle 1, axle 2, axle 3) to drive control, and comprising a second control device (1, 2, 3) which subjects the at least one second axle (axle 1, axle 2, axle 3) to drive control. A position sensor (10, 15, 20) which detects a position of the second axle (axle 1, axle 2, axle 3) is provided, and a detection signal of the position sensor (10, 15, 20) is supplied to the first control device (1, 2, 3).
    Type: Application
    Filed: February 6, 2008
    Publication date: November 24, 2011
    Inventors: Karl Lengl, Stephan Becker, Bernd Spatz
  • Patent number: 5943962
    Abstract: A device for compensating for the transverse forces acting on a rail vehicle whose car body is supported via spring action on at least one undercarriage and which can be displaced via a transverse compensator in transverse direction with respect to the undercarriage, a transverse spring action is associated for the buffering of dynamic oscillations, which can be connected or disconnected optionally as a function of the condition of travel.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: August 31, 1999
    Assignee: Mannesmann Rexroth AG
    Inventors: Gundolf Birkhahn, Manfred Dusing, Karl Lengl, Yuan Lu, Wolfgang Schafer