Engine control system for a lean burn engine having fuel vapor r

Details Engine control system for a lean burn engine having fuel vapor r Engine control system for a lean burn engine having fuel vapor r

1997-04-03

1998-04-07

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123520, F02M 3302, F02D 4114

Patent

active

057352550

ABSTRACT:
Fuel vapors are periodically purged from a fuel system into an engine's air/fuel intake. A measurement of the massive inductive fuel vapors is provided by a purge compensation signal is derived from an exhaust gas oxygen sensor output. Lean air/fuel operation is enabled when the purge compensation signal is below a predetermined value.

REFERENCES:
patent: 5048493 (1991-09-01), Orzel et al.
patent: 5190008 (1993-03-01), Yamasaki et al.
patent: 5613481 (1997-03-01), Kitagawa et al.
patent: 5655507 (1997-08-01), Kawasaki
patent: 5676118 (1997-10-01), Saito
patent: 5699778 (1997-12-01), Muraguchi et al.

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