Non-pressurized fluid transfer system

Details Non-pressurized fluid transfer system Non-pressurized fluid transfer system

1979-12-14

1981-01-27

Skaggs, H. Grant

Dispensing

Processes of dispensing

137113, 222 39, 222 64, 2221445, 222145, G01F 1100, B67D 100

Patent

active

042470188

ABSTRACT:
A non-pressurized fluid transfer system for stock rotation of liquids packaged in large non-pressurized containers such as 55 gallon drums is described. Two drums or sets of drums are used and the system automatically changes over from a first drum to a second drum when the first drum no longer contains liquid. Automatic change-over between the first drum and second drum is effected in response to a signal created by a float switch in the drum's fluid line. This float switch detects the absence of liquid in the first drum and the system automatically switches to the second drum in order to maintain continuity of the dispensing process. When the first drum is replaced with a new drum, the operator pushes a purge button and the fluid line connected to that drum is purged of any air. Thus, the dispensing of fluid may be continuously maintained without any interruption from changing drums, and without introducing air into the dispensing line.

REFERENCES:
patent: 3057517 (1962-10-01), Douglas
patent: 3147884 (1964-09-01), Sacco
patent: 3893591 (1975-07-01), Hockmuth et al.
patent: 3960295 (1976-06-01), Horak
patent: 4143793 (1979-03-01), McMilln et al.

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