Empty beverage container signaling system

Details Empty beverage container signaling system Empty beverage container signaling system

1981-01-15

1983-09-27

Rolla, Joseph J.

Dispensing

Automatic control

Material level control

222 61, 222 23, 340606, 340604, 137551, B67D 508

Patent

active

044063822

ABSTRACT:
A system for signaling emptying of a beverage storage container of a beverage dispensing system before any substantial amount of gas enters the delivery line between the container and a dispensing valve. No signal system components are in the container; instead, a fitting is mounted in the delivery line adjacent the container with two electrodes spaced from and electrically insulated from one another within the fitting for contact with the beverage. Sensing circuitry determines whether beverage bridges the two electrodes and causes signaling on non-bridging of the two electrodes by beverage in the line to indicate that the container is empty.

REFERENCES:
patent: 2127875 (1938-08-01), Lippert et al.
patent: 2138677 (1938-11-01), Meyer
patent: 2182195 (1934-12-01), Bornstein
patent: 2483967 (1949-10-01), Eberwine
patent: 2552088 (1951-05-01), Davis
patent: 2798215 (1957-07-01), Domingo et al.
patent: 3445834 (1969-05-01), Street et al.
patent: 3898637 (1975-08-01), Wolstenholme
patent: 4143793 (1979-03-01), McMillin et al.

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