Control circuit for combination washer and dryer

Details Control circuit for combination washer and dryer Control circuit for combination washer and dryer

1984-10-11

1987-05-12

Hornsby, Harvey C.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

68 20, 307 38, D06F 3302

Patent

active

046639489

ABSTRACT:
A combination clothes washer and dryer of the domestic type, powered by a 110 volt, 15 or 20 ampere residential power line, includes a motor driven washer, and a motor driven tumbler type dryer supplied with heated air by an electrical resistance heater. When simultaneous operation of the washer motor and dryer motor occurs, power supplied to the electrical resistance heater is automatically reduced by half so as to allow the washer motor, dryer motor, and resistance heater to continue operating without exceeding the power providing capabilities of the residential power line. Such power reduction is provided by a half-wave rectifier in the form of a diode switched into series circuit relationship with the resistance heater when the washer motor is operating.

REFERENCES:
patent: 1194165 (1916-08-01), Fry
patent: 1503130 (1924-07-01), Moore
patent: 1894119 (1933-01-01), Pratt
patent: 2521171 (1950-09-01), Kercher
patent: 3824813 (1974-07-01), Davis
patent: 4472640 (1984-09-01), Elmer

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