Apparatus for failsafe metering of a fluid

Details Apparatus for failsafe metering of a fluid Apparatus for failsafe metering of a fluid

1988-11-29

1989-12-12

Cohan, Alan

Fluid handling

Systems

Programmer or timer

137889, 137607, F16K 1100

Patent

active

048860905

ABSTRACT:
There is disclosed an assembly including a plurality of storage tanks for respective liquid chemicals to be metered, a plurality of feed chambers of a predetermined volume associated with respective storage tanks and disposed below such respective storage tanks, a conduit for process fluid for receiving predetermined volumes of such liquid chemicals as predetermined time cycles wherein the liquid chemicals are introduced in parallel feed to the process fluid in response to respective cycle timers.

REFERENCES:
patent: 868023 (1907-10-01), Simpson
patent: 2089796 (1937-08-01), Hopf
patent: 3227311 (1966-01-01), Rowell
patent: 3454027 (1969-07-01), Friedman
patent: 3756457 (1973-09-01), Holmes
patent: 3857409 (1974-12-01), Aubrey
patent: 4043490 (1977-08-01), McKinney
patent: 4273146 (1981-06-01), Johnson

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