Patents by Inventor Hans-Kilian J. Spielbauer

Hans-Kilian J. Spielbauer 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).

  • Elevator start jerk removal
    Patent number: 5424498
    Abstract: A constant bias velocity is dictated from a profile generator, while a torque value sent to an elevator drive is increased linearly until motion is detected. Then, the torque value is frozen. A normal velocity profile is started and coupled without discontinuity to the prior bias velocity dictation. In response to activation of an elevator loadweighing switch, an initial torque value is provided without boundary values stored in a table. Such static friction keeps an elevator car motionless when an elevator brake is lifted.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: June 13, 1995
    Assignee: Otis Elevator Company
    Inventors: Hans-Kilian J. Spielbauer, Michael Peters