Method of and apparatus for controlling material flow

Details Method of and apparatus for controlling material flow Method of and apparatus for controlling material flow

1987-03-02

1988-11-22

Nilson, Robert G.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

137460, 137499, 193 21, 251292, 251301, G05D 701

Patent

active

047858400

ABSTRACT:
The passage of ore through a pass is controlled by means of a rotatably mounted arcuate door which is orientated so that a convex face of the door faces oncoming material flow. When the rate of material flow is so high that the door is forced open, fins on a concave face of the door react with the material flow and a force is generated which rotates the door to a blocking position at which the rate of material flow is substantially reduced.

REFERENCES:
patent: 796074 (1905-08-01), Hunt
patent: 843959 (1907-02-01), McBride
patent: 2911002 (1959-11-01), Larkfeldt
patent: 3407839 (1968-10-01), Hardy
patent: 3575376 (1971-04-01), Arvidson

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