Conveyors: fluid current – With means to control conveying fluid or movement of load in... – Control of conveying fluid
Patent
1997-08-08
2000-07-18
Noland, Kenneth W.
Conveyors: fluid current
With means to control conveying fluid or movement of load in...
Control of conveying fluid
406 34, B65G 5116
Patent
active
060897945
ABSTRACT:
Apparatus and methods for providing granular material to a loading hopper preparatory to processing, provide an at least partially transparent receptacle for receiving material prior to processing machinery supplied by the hopper with the receptacle having a top, a valve for selectably connecting the receptacle to vacuum or to ambient air, vacuum drawn in the receptacle, a conduit connecting the receptacle to a supply of granular material, a valve selectably permitting material flow from the receptacle into the hopper and control temporally adjustably closing the first valve and opening the second valve responsively to visually detected presence of a suitable amount of material in the receptacle.
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Noland Kenneth W.
Quinn Charles N.
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