Safety hole forming a gaseous product preventive siphon

Fluid handling – Liquid level responsive or maintaining systems

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Details

137392, 137551, 137312, 73 405R, 141 83, 141198, 340620, F16K 3102, F16K 3700

Patent

active

046129561

ABSTRACT:
The safety hole is placed between equipments for forming a gaseous product preventive siphon. The safety hole comprises a vat, a cover closing the vat and being centrally provided with a vertical partition wall having a bottom portion placed at a determined height from bottom of the vat. The vat is filled with a neutral liquid at a level substantially higher than the bottom portion of the vertical partition wall thus forming an aqueous compartment and a downstream compartment.

REFERENCES:
patent: 3191427 (1965-06-01), Rapson, Jr.
patent: 3261201 (1966-07-01), Pottash
patent: 3273753 (1966-09-01), Johnson et al.
patent: 3276247 (1966-10-01), Bunn
patent: 3439837 (1969-04-01), Hearn et al.
patent: 4261204 (1981-04-01), Donaldson
patent: 4368636 (1983-01-01), Thorn et al.

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