X-ray film processor with switching heaters

Details X-ray film processor with switching heaters X-ray film processor with switching heaters

1980-07-11

1982-02-23

Hartary, Joseph W.

Electric heating

Microwave heating

Tunnel furnace

219485, 34155, G03D 313

Patent

active

043166636

ABSTRACT:
A full sized, heavy-duty X-ray film processor operating on 20 amps. of 120 volt power supply. The processor posesses a heater for its developer, another for its fixer, and several for its drying section. The machine switches the power between the heater for the developer solution and one of the heaters for the drying section to limit its current demand. The heater for the fixer solution and another of the dryer's heaters may also not operate simultaneously to further control the processor's total current demand. By limiting the current required for its operation, the heavy-duty processor, which can develop about 175 films of size 14 inches by 17 inches per hour, operates on no more than 20 amps. of the usual 120-volt house current. The processor's circuit also includes a cycling motor which effectively turns off most of the processor's current-using components for a majority of the time. The insertion of a film into the processor, however, turns on the required components for proper film processing.

REFERENCES:
patent: 3707777 (1973-01-01), Geyken et al.
patent: 4104668 (1978-08-01), Laar
patent: 4160153 (1979-07-01), Melander

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