Automatic anti-oxidation replenisher control

Details Automatic anti-oxidation replenisher control Automatic anti-oxidation replenisher control

1980-07-14

1981-10-20

Hix, L. T.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

13762415, 222 70, G03D 306

Patent

active

042957290

ABSTRACT:
A processor of photosensitive material includes an automatic control system for providing anti-oxidation replenishment. The control system includes a real time clock for providing an indication of the time of day, and means for storing a schedule of operating hours of the processor. The control system controls anti-oxidation replenishment as a function of the time of day and the schedule of operation. In one embodiment, the control system provides anti-oxidation replenishment on a twenty-four hour basis (even during non-operating hours) by operating the developer circulation pump and the anti-oxidation replenishment pump on a periodic basis during non-operating hours. In another embodiment, which is particularly useful when there are restrictions against leaving on electric power to the processor during non-operating hours, the control system adds a bulk amount of anti-oxidation replenishment at the time of turn-off of the processor. This bulk amount of anti-oxidation replenishment is a function of the time of turn-off and the next scheduled turn-on time.

REFERENCES:
patent: 4174169 (1979-11-01), Melander

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