Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1985-07-10
1986-12-02
Cohan, Alan
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
137210, 62 55, F17C 702
Patent
active
046257535
ABSTRACT:
A cryogenic liquid storage tank has an automatic pressure relief means which vents vapor while the tank is being filled so that the tank may be completely filled. The pressure relief means includes a float which, when the cryogenic tank is filled, automatically closes the pressure relief means. In an alternative embodiment, the pressure relief means is combined with an eductor attached to the tank's inlet. The eductor entrains and condenses vapor within the tank to minimize the amount of vapor vented by the pressure relief means.
REFERENCES:
patent: 2764873 (1956-10-01), Mooyaart
patent: 2834187 (1958-05-01), Loveday
patent: 2884943 (1959-05-01), Dobrick
patent: 2912830 (1959-11-01), Coldren
patent: 3097500 (1963-07-01), More
Cohan Alan
Lischer Dale
Lunsford III J. Rodgers
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