Patents Assigned to Kooragang Coal Management Pty. Ltd.
  • Patent number: 4944474
    Abstract: A system and method for indicating the speed of a locomotive during low speed continuous loading and or unloading of bulk materials such as coal. The system utilizes treadle switches which are equally spaced along a track, the treadle switches generating positional information which is transmitted to a receiver in the locomotive thereby enabling a very accurate indication of the speed of the vehicle to be displayed to the driver.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: July 31, 1990
    Assignee: Kooragang Coal Management Pty. Ltd.
    Inventor: Laurence W. Jones