Evaporated fuel treatment device of an engine

Details Evaporated fuel treatment device of an engine Evaporated fuel treatment device of an engine

1997-08-13

1998-11-17

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

F02D 4100

Patent

active

058362932

ABSTRACT:
An evaporated fuel treatment device comprising a purge control valve for controlling an amount of fuel vapor fed into the intake passage from a charcoal canister. The purge action of the fuel vapor is temporarily stopped and then restarted. The purge action is restarted by the purge rate of just before the purge action was stopped when the engine load at the time of the restart of the purge action is higher than a predetermined set load, while the purge action is restarted by a purge rate lower than a predetermined purge rate when the engine load at the time of the restart of the purge action is lower than the set load.

REFERENCES:
patent: 5685285 (1997-11-01), Ohtani et al.
patent: 5694911 (1997-12-01), Kawamoto et al.
patent: 5727537 (1998-03-01), Nakagawa et al.
patent: 5735255 (1998-04-01), Farmer et al.

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