Device for preventing outflow of a fuel vapor from a fuel tank

Details Device for preventing outflow of a fuel vapor from a fuel tank Device for preventing outflow of a fuel vapor from a fuel tank

1988-02-01

1989-10-10

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123516, 137588, F02M 5900

Patent

active

048724394

ABSTRACT:
A device for preventing an outflow of a fuel vapor from a fuel tank comprising a breather pipe which connects the upper interior of the fuel tank to a charcoal canister. A float-valve assembly is mounted on the upper wall of the fuel tank. This assembly comprises a breather passage connected to the charcoal canister via the breather pipe, a normally closed solenoid valve arranged in the breather passage, and a float normally allowing the breather passage to be open to the interior of the fuel tank. When the replenishment of the fuel tank is carried out, the solenoid valve is opened to feed fuel vapor in the fuel tank into the charcoal canister.

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