BALLAST HOPPER CAR
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United States of America Patent
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app pub date -
Sep 25, 2012
filing date -
Jan 6, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a ballast hopper car, said ballast hopper car comprises an underframe, sidewalls, end walls, discharge doors, coupler draft gears, bogies, a bottom door opening and closing mechanism, underframe accessories, an air brake, an air control system, said air control system comprises an air reservoir and a discharge door control system, said discharge door control system is configured to control working states of ballast hopper car discharge doors. The ballast hopper car provided by the present invention improves discharging efficiency of ballast hopper car and reduces workload of operator.
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