System for weighing railroad cars in motion during loading

Details System for weighing railroad cars in motion during loading System for weighing railroad cars in motion during loading

G - Physics

01

G

265/4.5

G01G 19/04 (2006.01) G01G 19/40 (2006.01)

Patent

CA 1137525

ABSTRACT OF THE DISCLOSURE A system is provided for weighing freight cars coupled in motion during loading. An upstream weigh bridge is provided and is mechanically separated from a downstream weigh bridge, with a loading chute overlying one of the weigh bridges for dispensing material to the freight cars. The upstream weigh bridge has a length that is less than the distance between the rear axle of one car to be loaded and the front axle of the succeeding car. The position of the freight car under consideration is sensed and the chute is opened to load the freight car. The full draft weight of the freight car during loading is detected, taking the weight on the upstream weigh bridge into consideration. The chute is closed when the weight reaches a predetermined amount. The weight of the loaded freight car is determined after the freight car has left the upstream weigh bridge and only the weight on the downstream weigh bridge is taken into consideration. The downstream weigh bridge may comprise a plurality of mechanically separated weigh bridge sections, operable for full draft weighing of different size freight cars during loading.

351853

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