Control means and automatic roll-type filter

Details Control means and automatic roll-type filter Control means and automatic roll-type filter

1975-01-24

1976-10-12

Nozick, Bernard

Gas separation

With means for advancing clean portions of continuous or...

Advancing means initiated by flow, pressure, or pressure...

B01D 4618

Patent

active

039855287

ABSTRACT:
A control circuit for an automatic roll-type air filter including a photocell for detecting the dust load condition of the filter media and for energizing the circuit to cause the filter media to advance in response to the dust loading, a variable resistor to provide adjustment of the set-point at which the circuit is energized, and a fixed value resistor in series with the variable resistor to prevent setting of the variable resistor to a value which would allow the circuit to be energized thereby advancing the filter media when cleaned media is present in the air filter zone of the automatic roll-type air filter.

REFERENCES:
patent: 3324633 (1967-06-01), Revell

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