Dispensing – Automatic control – Of dispensers with fluid pressure discharge assistance
Patent
1977-03-21
1978-08-15
Reeves, Robert B.
Dispensing
Automatic control
Of dispensers with fluid pressure discharge assistance
222 64, 222399, 250577, 137386, B67D 554
Patent
active
041066715
ABSTRACT:
An automatically controlled liquid dispensing system including a reagent dispenser adapted to function as an intermediate container for dispensing relatively small controlled volumes of liquid to an associated receiving system in a continuous "demand" mode, this dispenser being indirectly monitored to be automatically and continually replenished after liquid is withdrawn therefrom, using a simple photoelectric liquid level monitor system including a fail-safe overflow control arrangement.
REFERENCES:
patent: 2083965 (1937-06-01), Schulz
patent: 2520175 (1950-08-01), Socke
patent: 3194434 (1965-07-01), Evanson
patent: 3504825 (1970-04-01), Diamond et al.
patent: 3664549 (1972-05-01), Maselli
Beckman Instruments Inc.
Frieman Robert S.
Reeves Robert B.
Rolla Joseph J.
Steinmeyer Robert J.
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