Engine combustion controller

Details Engine combustion controller Engine combustion controller

1997-07-31

2000-01-11

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123698, F02M 3304

Patent

active

060124350

ABSTRACT:
In an engine comprising a fuel vapor purge mechanism which mixes fuel vapor from a fuel tank with the intake air of the engine after fuel vapor has been adsorbed by a canister, a uniform fuel-air mixture and a stratified fuel-air mixture are selectively produced. When the engine is running with a stratified fuel-air mixture, purge of fuel vapor is prohibited. On the other hand, when the fuel vapor adsorption amount in the canister has reached a predetermined value, the engine is forcibly run with a uniform fuel-air mixture and purge of fuel vapor is performed, In this way, the fuel vapor adsorption amount in the canister is prevented from becoming excessive.

REFERENCES:
patent: 5048493 (1991-09-01), Orzel et al.
patent: 5245975 (1993-09-01), Ito
patent: 5682869 (1997-11-01), Nankee et al.
patent: 5735255 (1998-04-01), Farmer et al.
patent: 5765541 (1998-06-01), Farmer et al.

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