Input monitoring system for sand classifying tank

Details Input monitoring system for sand classifying tank Input monitoring system for sand classifying tank

1978-06-22

1980-04-22

Skaggs, H. Grant

Dispensing

With recorder, register, indicator, signal or exhibitor

222 30, 222 64, 222 70, B67D 508

Patent

active

041990803

ABSTRACT:
A monitoring system for a water scalping sand classifying tank, comprising timers for measuring the cumulative total discharge times for at least two key classification stations of the tank over an extended period of time which may include many reblend cycles for the tank. Tolerance limits are established by use of at least two timers for each key station. Any extended variation in the desired ratio of total discharges for the key stations, indicating an input change requiring correction, is signalled by an indicator system coupled to the timers.

REFERENCES:
patent: 3114479 (1963-12-01), Keeney
patent: 3123252 (1964-03-01), Kuntz
patent: 3913788 (1975-10-01), McCauley

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