Apparatus for preventing an outflow of a fuel within a fuel tank

Details Apparatus for preventing an outflow of a fuel within a fuel tank Apparatus for preventing an outflow of a fuel within a fuel tank

1993-12-29

1995-04-25

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

With second control

137 43, 137202, F16K 1736

Patent

active

054090300

ABSTRACT:
The present invention provides an apparatus for preventing an outflow of a fuel formed in a fuel tank of a vehicle, the apparatus including a fuel tank disposed in the vehicle to store a fuel and having an outlet passage to evaporate a fuel vapor of the fuel to a canister, a casing disposed to protrude into the fuel tank and having a plurality of holes formed therein for absorbing the fuel vapor, a float elastically supported by a first elastic member within the casing and having a head for shutting off the outlet passage, and a check valve capable of discharging the fuel vapor within the fuel tank by opening and closing an orifice penetrating the head according to pressure within the fuel tank.

REFERENCES:
patent: 3910302 (1975-10-01), Sudhir
patent: 4679581 (1987-07-01), Mears
patent: 4982757 (1991-01-01), Ohasi
patent: 5004002 (1991-04-01), Kobayashi

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