Method for controlling a water supply valve of a washing machine

Details Method for controlling a water supply valve of a washing machine Method for controlling a water supply valve of a washing machine

1995-09-01

1997-12-09

Walton, George L.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

68 1221, 137387, 137392, D06F 3302, F16K 3102

Patent

active

056949626

ABSTRACT:
A method for controlling a water supply valve of a washing machine uses an interrupt signal supplied from an interrupt signal generating section to an external interrupt terminal of a microcomputer to monitor whether a power fails or not, and uses a power source maintained for a certain time from the time of the power failure before a reset signal is generated, thereby closing the water supply valve. Thus, the water supply valve continuously maintains the open state even when the power fails during supplying the water to thereby prevent the continuous supply of the water within a washing tub.

REFERENCES:
patent: 3986372 (1976-10-01), Karklys
patent: 5159823 (1992-11-01), Fukuda et al.

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