Pump for a dispensing system for an automatic washer

Details Pump for a dispensing system for an automatic washer Pump for a dispensing system for an automatic washer

1982-12-16

1984-08-28

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Combined

68184, 68207, 68208, 137565, 415152A, D06F 3902, D06F 3908, F01D 130

Patent

active

044676271

ABSTRACT:
A pump for an automatic washer is provided which has an inlet connected to the machine tub and a first outlet connected to a set of dispensing chambers and a second outlet connected to a drain, and including a check valve between the inlet and the second outlet such that when the pump is rotated in a first direction, liquid is drawn from the tub through the check valve and pumped by the impeller to the first outlet. The first outlet is selectively openable and if opened by a solenoid controlled valve, allows a flow of liquid to the dispenser chambers. Rotation of the impeller in the second direction closes the check valve and allows the flow of liquid from the machine tub to the drain.

REFERENCES:
patent: 2838002 (1958-05-01), Cohen
patent: 2883843 (1959-04-01), Bochan
patent: 2894384 (1959-07-01), Smith
patent: 2969739 (1961-01-01), Clearman
patent: 4091644 (1978-05-01), Bochan
patent: 4188807 (1980-02-01), Graf et al.

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