Liquid blending and dispensing apparatus

Details Liquid blending and dispensing apparatus Liquid blending and dispensing apparatus

1976-08-27

1979-04-24

Spar, Robert J.

Dispensing

With recorder, register, indicator, signal or exhibitor

222 57, 222134, 235 92FL, B67D 508, B67D 556

Patent

active

041507673

ABSTRACT:
Liquid dispensing apparatus for dispensing a blend of first and second liquids has flowmeters operable to measure the quantity of each liquid delivered. The flowmeter outputs are multiplied by a factor equal to the proportion of one liquid in the blend and used to control a stepping motor which operates a blending valve. An error correction circuit is provided to correct for any accumulated error, and the apparatus also includes a cost determining circuit.

REFERENCES:
patent: 3756463 (1973-09-01), Gravina
patent: 3984032 (1976-10-01), Hyde et al.

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