| 摘要 |
A material transfer system for transferring a material from a source to an open-topped receptacle wherein the material is capable of gravitationally flowing from a source utilizes a circular, rotary dumper having a plurality of open-topped compartments which extend radially from the vertical center axis of the dumper to the outer periphery thereof and a port-defining bottom within each of dumper compartment through which the contents of the compartment can be discharged. The dumper is supported for rotation about its vertical center axis, and a motor is adapted to rotate the dumper about the vertical center axis so that on one side of the vertical center axis of the dumper, the open tops of the compartments are movable into and out of vertical registry with material flowing therein from a source and so that on the opposite side of the vertical center axis of the dumper, the ports of the compartments are movable into and out of vertical registry with an open-topped receptacle to be filled from the dumper. Associated with each compartment port is a closure permitting the ports to be selectively opened and closed so that discharge of material from each compartment is prevented when its port is not positioned in vertical registry with an open-topped receptacle to be filled from the dumper and so that discharge of material from each compartment is permitted when its port is positioned in vertical registry with an open-topped receptacle to be filled from the dumper.
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