Patents by Inventor Jürgen Ploog

Jürgen Ploog 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).

  • Zeroing device for a hydrostatic piston/cylinder unit
    Patent number: 6467393
    Abstract: A zeroing mechanism for a hydrostatic piston/cylinder unit (1), has an actuating piston (2) that can be moved from a zero position N into at least one deflected position A and can be returned to its zero position N by a zeroing force, the zeroing force being produced at least in part hydraulically.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: October 22, 2002
    Assignee: Sauer-Danfoss, Inc.
    Inventor: Jürgen Ploog
  • Hydrostatic vehicle drive with control device and control device for hydrostatic drives
    Patent number: 6427441
    Abstract: A hydrostatic vehicle drive has a control (5) for controlling an output torque of the drive and another control device (5) for controlling the output torque of a hydrostatic drive, the control device (5) having a controllable pressure-limiting valve (6) by means of which the working pressure can be adjusted and which is used for sensitive control of the output torque of a hydraulic motor (3). The pressure-limiting valve (6) can be controlled by a proportionally adjustable pressure-reducing valve (7).
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: August 6, 2002
    Assignee: Sauer-Danfoss Inc.
    Inventors: Martin Wüstefeld, Jürgen Ploog, Bernd Hames, Bernd Hänisch