Air logic controller and metering pump unit for an apparatus for

Details Air logic controller and metering pump unit for an apparatus for Air logic controller and metering pump unit for an apparatus for

1980-12-22

1984-10-09

Rolla, Joseph J.

Dispensing

Cutoff operated by selectively preset volume or rate of...

222 25, 222334, 222608, B67D 530

Patent

active

044756658

ABSTRACT:
An air logic controller and metering pump unit is provided for an automatic liquid transfer and metering apparatus. Such apparatus is designed for bulk storage, handling and transportation of liquid chemicals and for the safe, precise and metered delivery and transfer of liquid chemicals from a source of chemical bulk storage to the place of end use. One form of apparatus includes a portable liquid transfer tank which is used in conjunction with a stationary wall mounted air logic controller and metering pump module located near the place of end use. Another form of apparatus is a portable self-contained unit where the air logic controller and metering pump module and a compressed air supply tank are mounted above and are connected to the portable liquid transfer tank module. Thus the self-contained unit having its own energy source may be moved to any plant location for precision dispensing of chemicals without the requirement for additional sources of air, electricity, hookups, etc. Further, a method is disclosed for transferring, pumping and metering liquid chemicals.

REFERENCES:
patent: 3109559 (1963-11-01), Wilburn
patent: 3601285 (1971-08-01), Leger et al.
patent: 3613951 (1971-10-01), Muir
patent: 3627175 (1971-12-01), Hisada et al.
patent: 4032040 (1977-06-01), Kecskemethy et al.
patent: 4191309 (1980-03-01), Alley et al.

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