Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Reexamination Certificate
2006-05-23
2006-05-23
Leo, Kevin (Department: 3753)
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
C137S043000, C137S068150
Reexamination Certificate
active
07047997
ABSTRACT:
A device and method for venting a tank comprising an intermediate shutoff valve as part of a cover that closes a tank opening. The intermediate shutoff valve is placed between an existing valve and a vent port in a liquid storage tank. The shutoff valve is operable to substantially fluidly seal the vent port when the vent valve is displaced greater than a predetermined amount. The intermediate shutoff valve facilitates complete removal of the existing vent valve during an impact wherein a wall of the storage tank impacts the existing valve. Upon impact, the intermediate shutoff valve is operable to close and seal a tank opening created by the displacement and removal of the existing vent valve.
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Beyer Sharon Elizabeth
Mott Thomas J.
Pittenger Michael Allen
Roth Robert A.
Sawert Ulf
Delphi Technologies Inc.
Funke Jimmy L.
Leo Kevin
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