Tank vapor vent valve assembly with improved overfill protection

Details Tank vapor vent valve assembly with improved overfill protection Tank vapor vent valve assembly with improved overfill protection

1989-02-27

1990-01-16

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137588, 220 85VR, B01D 5304

Patent

active

048936430

ABSTRACT:
A TVVA with a buoyant overfill protection float contains the float closely and axially slidably within a sleeve, and feeds a negative pressure created by the rapid flow of fill vapors over the outside of the sleeve into the sleeve to hold the float down and prevent it from corking.

REFERENCES:
patent: 3786829 (1974-01-01), Nardo
patent: 4640304 (1987-02-01), Looney
patent: 4714172 (1987-12-01), Morris
patent: 4747508 (1988-05-01), Sherwood
patent: 4813453 (1989-03-01), Jenkins

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