Fuel tank overfill prevention

Details Fuel tank overfill prevention Fuel tank overfill prevention

1989-02-27

1990-02-27

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123519, 137587, F02M 3302, B01D 5304

Patent

active

049036726

ABSTRACT:
Tank overfill is prevented by a series of three switches, responsive to the condition of the vehicle running or not, to tank pressure, and to elapsed time, which block the canister vent line at the end of fill to prevent contamination, and then reopen it when a short time has elapsed, or when the vehicle is restarted.

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patent: 4817576 (1989-04-01), Abe
patent: 4819607 (1989-04-01), Aubel

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