Safety device for venting a fuel tank

Details Safety device for venting a fuel tank Safety device for venting a fuel tank

1977-12-06

1979-12-04

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

137 39, 137845, F16K 1514

Patent

active

041766784

ABSTRACT:
A safety device for venting a fuel tank, especially for automobiles comprising a natural or artificial elastomer diaphragm resistant to hydrocarbons, pierced by slits, held between the flanges of two concentric cylindrical elements constituting a valve body, a clearance being provided between the membrane and the flanges framing it so as to avoid having the latter cause stresses in the said membrane which would lead to deformation of the slits and would modify in an unpredictable manner gas flow passing through it.

REFERENCES:
patent: 2894530 (1959-07-01), Stevens
patent: 2896661 (1959-07-01), Becker
patent: 3066767 (1962-12-01), Djordjevitch
patent: 3138173 (1964-06-01), Hartman
patent: 3151626 (1964-10-01), Everett
patent: 3155110 (1964-11-01), Hoffman
patent: 3478922 (1969-11-01), Mole
patent: 3811466 (1974-05-01), Ohringer
patent: 4003398 (1977-01-01), Duveau

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