Evaporated fuel processing apparatus for an internal combustion

Details Evaporated fuel processing apparatus for an internal combustion Evaporated fuel processing apparatus for an internal combustion

1997-05-22

1998-11-17

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123520, F02D 4104, F02D 4114

Patent

active

058362916

ABSTRACT:
An evaporative fuel processing apparatus which can optimally process fuel gas according to navigation information or the like. This apparatus obtains future running information from a navigation system and further predicts an amount quantity of fuel vapor generated in a fuel tank (13) according to the running information. Further, the apparatus determines an amount of fuel vapor to be purged from a canister (14), namely, a valve opening of a purge control valve (142) so that an amount of fuel vapor adsorbed in the canister (14) is not more than a predetermined upper limit and that an amount of fuel adsorbed in the canister (14) after running is almost zero. Thus, an evaporation emission is reduced and the durability of the canister is prolonged by controlling the purge control valve.

REFERENCES:
patent: 5485824 (1996-01-01), Kondou
patent: 5515937 (1996-05-01), Adler et al.
patent: 5596972 (1997-01-01), Sultan et al.

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