Pressure relief system

Details Pressure relief system Pressure relief system

1975-10-16

1976-12-14

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Gas and other material separating passage or chamber

55387, B65B 3106

Patent

active

039969754

ABSTRACT:
A system for automatically releasing the pressure built up inside a tank when the liquid level falls below a predetermined level. This system is particularly applicable for use on a hydrocarbon tank truck which receives the vapors from the underground tank being filled, so that the pressure built up during filling can be released into the atmosphere through a filter in order to minimize the hydrocarbons released into the atmosphere when the connections to the underground tank are uncoupled. The system includes a pressure relief line connected to a float valve located inside a tank compartment on one end and to a filter on the other end. The filter can be made out of an adsorbant material which permits it to be cleaned and used over again.

REFERENCES:
patent: 3776283 (1973-12-01), Kramer et al.

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