Apparatus for sensing empty hoppers

Details Apparatus for sensing empty hoppers Apparatus for sensing empty hoppers

1981-12-24

1984-05-01

Rolla, Joseph J.

Dispensing

Automatic control

Material level control

414161, 110101CB, 110101CD, 110108, F27D 300

Patent

active

044456280

ABSTRACT:
A gravity operated conical hopper having a sliding closure plate which is pneumatically activated as soon as the hopper has been emptied. An apparatus and method is also disclosed for pneumatically detecting and automatically closing the hopper to stop the flow of contained material after material has been discharged to a particular level.

REFERENCES:
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patent: 4189272 (1980-02-01), Gregor
patent: 4201315 (1980-05-01), Chuss

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