CPC B60B 39/025 (2013.01) [B60B 39/06 (2013.01); B60B 39/086 (2013.01); B60B 39/10 (2013.01); B61C 15/102 (2013.01); B61C 15/107 (2013.01); G01F 11/003 (2013.01); G01F 11/023 (2013.01)] | 15 Claims |
1. A method, comprising:
actuating a metering piston of a metering device to form a gap between a feed of the metering device and a metering chamber of the metering device, the feed configured to receive granular material from a container, the gap configured to permit the granular material to flow from the feed to the metering chamber;
detecting a blockage of the granular material with at least one optical sensor arranged in a delivery line leading away from the metering chamber; and
responsive to detecting the blockage, actuating the metering piston to enlarge the gap between the feed and the metering chamber to disperse the blockage.
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