Relay control circuit for washing appliance

Details Relay control circuit for washing appliance Relay control circuit for washing appliance

1979-04-02

1980-07-22

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

134 58D, 3071414, 361191, D06F 3302

Patent

active

042133130

ABSTRACT:
A relay control circuit for controlling the operation of various electrically actuated devices in a washing appliance such as a dishwasher is disclosed. The circuit employs four relays to provide eight operating functions, including filling, draining, dispensing of additives, water circulation, water circulation with heat, and drying.

REFERENCES:
patent: 2842003 (1958-07-01), Fussangle
patent: 3176197 (1965-03-01), Hoppe et al.
patent: 3474315 (1969-10-01), Tomita et al.
patent: 3805685 (1974-04-01), Carns
Washburn, S. H. "Relay `Trees` and Symmetric Circuits" N.Y. AIEE Technical Paper, May 1949.

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