Water temperature control system for a clothes washing machine

Details Water temperature control system for a clothes washing machine Water temperature control system for a clothes washing machine

1979-12-03

1982-05-18

Wayner, William E.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Having oscillating or reciprocating valve

68 12R, 364173, G05D 2300, G05B 1132

Patent

active

043300812

ABSTRACT:
A microprocessor controlled water temperature control system for a clothes washer. The temperature of incoming mixed hot and cold water is periodically sensed, a cumulative average temperature of the mixed water is compared to a desired temperature value stored in memory. When the comparison results in a temperature difference which exceeds a predetermined error limit, the appropriate hot and/or cold water valves are turned on or off causing the average temperature of the mixed water to change toward the desired temperature value.

REFERENCES:
patent: 2533624 (1950-12-01), Ray
patent: 3434488 (1969-03-01), Talbot
patent: 3772900 (1973-11-01), Hopkins
patent: 3940600 (1976-02-01), Alexander et al.
patent: 3987808 (1976-10-01), Carbonell et al.
patent: 4031911 (1977-06-01), Frazar

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