Grain elevator controls

Details Grain elevator controls Grain elevator controls

1980-01-17

1981-08-11

Nase, Jeffrey V.

Conveyors: power-driven

Conveying system having plural power-driven conveying sections

With condition responsive control of a section

198573, 198856, B65G 4304

Patent

active

042829674

ABSTRACT:
Disclosed is an electronic sensor and control for monitoring the rate of transport of grain elevator buckets, the electronic control including a metal detector probe for sensing the passage of the buckets past the head and a control module for processing the signals from the head to produce a D-C voltage proportional to the bucket transport rate. Trigger networks responsive to the D-C voltage activate appropriate alarms and shut-down of various phases of the grain elevator operations. An automatic calibration control enables calibration of the D-C voltage for different desired rated speeds of the bucket transport.

REFERENCES:
patent: 2792106 (1957-05-01), Fredh et al.
patent: 2853181 (1958-09-01), Lillehaugen
patent: 3017145 (1962-01-01), Tarber
patent: 3350637 (1967-10-01), Pochtar
patent: 3780297 (1973-12-01), Geary
patent: 3845375 (1974-10-01), Stiebel
patent: 3867647 (1975-02-01), Callahan et al.
patent: 3883754 (1975-05-01), Fleischer et al.

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