发明名称 Speed indication system
摘要 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.
申请公布号 US4944474(A) 申请公布日期 1990.07.31
申请号 US19890442460 申请日期 1989.11.30
申请人 KOORAGANG COAL MANAGEMENT PTY. LTD. 发明人 JONES, LAURENCE W.
分类号 B61L25/02 主分类号 B61L25/02
代理机构 代理人
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