F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/26
F16K 31/18 (2006.01) B65D 90/26 (2006.01)
Patent
CA 2034755
TWO STAGE AUTOMATIC SHUT OFF VALVE ABSTRACT A shut off valve assembly for preventing overfilling of an underground fuel storage tank or other storage tanks where the incoming flow is not metered, utilizes a two stage valve closure, the first stage closure signaling the tank is nearly filled to capacity and the second stage closure subsequently completely stopping flow into the tank.
Johnson Bruce
Whitney Robert P.
Ebw Inc.
Sim & Mcburney
LandOfFree
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