Full-time flood protection control for dishwasher

Details Full-time flood protection control for dishwasher Full-time flood protection control for dishwasher

1976-06-03

1978-01-17

Schaefer, Robert K.

Cleaning and liquid contact with solids

Apparatus

Automatic controls

307118, H01H 3518

Patent

active

040694259

ABSTRACT:
A dishwasher control circuit including a single-pole, double-throw door interlock switch and a water level sensing means, which sensing means includes a single-pole, double-throw switch. The sensing means switch connects the water inlet valve control solenoid and the drain valve control under normal operating conditions, and connects in series a direct power line and the pump motor and drain solenoid during flooding conditions. The control provides continuous protection against flooding in the dishwasher.

REFERENCES:
patent: 3439687 (1969-04-01), Cushing
patent: 3876338 (1975-04-01), Jarvis

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