Textiles: fluid treating apparatus – Machines – Single tub and automatic sequential operation mechanism
Patent
1975-04-21
1976-04-13
Gilreath, Stanley N.
Textiles: fluid treating apparatus
Machines
Single tub and automatic sequential operation mechanism
68 17R, 68207, 137832, D06F 3902
Patent
active
039495760
ABSTRACT:
An improved liquid flow diversion arrangement for use with an additive dispensing system in an automatic washer. Included is a liquid flow diverter of the transverse pressure differential type having control ports coupled to atmosphere by tubes whose open ends terminate at the machine sequence control timer. Means are provided associated with the timer for closing the open ends of the tubes and thereby the control ports at predetermined times to effect liquid flow diversion. A check valve is provided at the outer end of each control port for preventing liquid from escaping from the fluid diverter. A chamber is coupled by a segment of the tubing between each control port and the timer for accumulating liquid that may bypass the check valves and further, for preventing audible sonic oscillations which may occur in the liquid flow diversion arrangements due to the inherent ability of the diverter to amplify resonance in the system. Coupled to the respective chambers at the bottoms thereof are a pair of hoses for draining liquid accumulating in the chamber, the hoses being dimensioned to act as closed valves with respect to the control ports while at the same time allowing liquid to drain automatically from the chamber when a sufficient head has been built up therein.
REFERENCES:
patent: 3373905 (1968-03-01), Laufer
patent: 3401834 (1968-09-01), Siegla
patent: 3441066 (1969-04-01), Wilhire
patent: 3513866 (1970-05-01), Boothe et al.
patent: 3527240 (1970-09-01), Metzger
patent: 3575210 (1971-04-01), Fussell
patent: 3670754 (1972-06-01), Freeman
patent: 3727434 (1973-04-01), Bochan
patent: 3760612 (1973-09-01), Bochan et al.
Gakhar Ved P.
Waugh Richard A.
Boos Francis H.
Coe Philip R.
General Electric Company
Gilreath Stanley N.
Weidner Fredrick P.
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