Fine timing apparatus for electronic detergent dispensing system

Details Fine timing apparatus for electronic detergent dispensing system Fine timing apparatus for electronic detergent dispensing system

1975-03-24

1976-09-28

Tollberg, Stanley H.

Dispensing

Simulations

Firearms

68 17R, D06F 3902

Patent

active

039826660

ABSTRACT:
A detergent dispensing system for sequentially and automatically injecting various liquid products (e.g., detergents, fabric conditioners, neutralizers, etc.) into a laundry washing machine. Each liquid product is independently connected to a venturi-aspirator positioned within separate carrier fluid conduits (e.g. water conduits) and the product is drawn into the respective carrier fluid conduits upon passage of carrier fluid therethrough. Electrical control circuitry, including electrical timing apparatus, triggered by a signaling device synchronized with the machine washing cycle selectively actuates and deactuates a solenoid-operated valve positioned upstream of each venturi-aspirator so as to allow injection into the carrier fluid of a predetermined quantity of each liquid product at the desired point in the machine cycle.

REFERENCES:
patent: 3043478 (1962-07-01), Adams et al.
patent: 3408036 (1968-10-01), Smith et al.

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