Turbidity sensor that interrupts drain motor and water valve

Details Turbidity sensor that interrupts drain motor and water valve Turbidity sensor that interrupts drain motor and water valve

1998-05-18

1999-09-28

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

Automatic controls

134 58D, 134 57D, 134113, B08B 300

Patent

active

059571446

ABSTRACT:
The dishwasher of the present invention is adapted to skip a drain cycle if the water in the dishwasher is clean enough. The invention uses a turbidity sensor to sense the turbidity of the water. If the sensed turbidity is below a threshold value, the drain motor and the water valve are disabled to prevent the water from being drained and to prevent additional water from being introduced into the dishwasher.

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patent: 5800628 (1998-09-01), Erickson et al.
patent: 5806541 (1998-09-01), Cooper et al.

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