Fluid handling – Control by change of position or inertia of system – Vent opening or closing on tipping container
Patent
1994-11-08
1997-09-16
Hepperle, Stephen M.
Fluid handling
Control by change of position or inertia of system
Vent opening or closing on tipping container
137202, 1374932, 1374936, 1374939, 1375992, F16K 1736, F16K 1718
Patent
active
056669895
ABSTRACT:
A fuel vapor control valve for controlling the flow of fuel vapor and liquid fuel through an aperture in a fuel tank is provided. The fuel vapor control valve includes a housing mounted in the aperture and formed to include an inlet and an outlet, a chamber disposed in the housing, a pressure-relief valve disposed in the camber, and a vacuum valve disposed in the chamber and formed for movement relative to the pressure-relief valve. The vacuum valve is biased to relieve subatmospheric tank pressure below a predetermined minimum pressure and includes a base that is mounted on the pressure-relief valve and arranged to define a venting aperture. In addition, the fuel vapor control valve includes a ball that is movably positioned in the chamber to selectively interrupt the flow of fuel vapor through the venting aperture.
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Hepperle Stephen M.
Stant Manufacturing Inc.
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