Tank overfill protection means

Details Tank overfill protection means Tank overfill protection means

1985-06-12

1986-06-03

Chambers, A. Michael

Fluid handling

Systems

System with plural openings, one a gas vent or access opening

137592, 141 59, 141290, F16K 2400, B65B 3100

Patent

active

045923868

ABSTRACT:
An underground liquid storage tank that limits the filling of the tank to prevent it from being completely filled and to prevent spills from occurring when the tank is filled. The tank includes, in general, a hollow body having a plurality of standard openings through the top thereof for a fill pipe, a vent line, vapor recovery piping, pump system, gauges, etc. A cylindrical skirt is located within the interior of the body conterminous with each of the standard openings to cause an air "pocket" to be left in the top of the hollow body when the tank is filled.

REFERENCES:
patent: 1968141 (1934-07-01), Green
patent: 3840056 (1974-10-01), Bower
patent: 3863688 (1975-02-01), Millar et al.
patent: 3908718 (1975-09-01), Bower
patent: 4009739 (1977-03-01), Weatherford
patent: 4260000 (1981-04-01), McGahey et al.

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