Fuel control system for automobile engine

Details Fuel control system for automobile engine Fuel control system for automobile engine

1997-06-19

1999-06-08

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123516, F02M 3704

Patent

active

059097264

ABSTRACT:
A fuel control system for feedback controlling a purge gas flow rate as well as an air-to-fuel ratio which learns the concentration of fuel of a purge gas based on an average of air-to-fuel ratio control values at adjacent reversal there of between an upward tendency and a downward tendency and determines the content of fuel of the purge gas based on the purge gas concentration by which the amount of fuel delivered by an injector is reduced.

REFERENCES:
patent: 5355862 (1994-10-01), Muramatsu
patent: 5469832 (1995-11-01), Nemoto
patent: 5535719 (1996-07-01), Morikawa
patent: 5676118 (1997-10-01), Saito
patent: 5680849 (1997-10-01), Morikawa
patent: 5682863 (1997-11-01), Kadooka
patent: 5746187 (1998-05-01), Ninomiya
patent: 5765541 (1998-06-01), Farmer

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