Overfill prevention control for fluid storage container

Details Overfill prevention control for fluid storage container Overfill prevention control for fluid storage container

2008-09-18

2011-11-15

Hwu, Davis (Department: 3752)

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

C141S348000

Reexamination Certificate

active

08056589

ABSTRACT:
An overfill prevention device is provided for preventing overflow of a fluid storage tank. The overfill prevention device includes a filler cup designed to fit within the fill opening of the tank body and attach thereto. A seal that is adapted for receiving and sealing to a fill nozzle is placed between upper and lower regions of the filler cup. A breather piece, which defines a vapor path with first and second openings, is integrated with the filler cup. The first opening of the breather piece is fluidly coupled to the lower cup region, whereas the second opening is positioned above the first opening, located at or below the full level of the storage tank.

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Steve Burkholder, “Enviro-Fill”, date retrieved: Jul. 1, 2008, available at URL—www.enviro-fil.net/about—envirofill.html.

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