Method of controlling air intake flow of an internal...

Details Method of controlling air intake flow of an internal... Method of controlling air intake flow of an internal...

2011-04-05

2011-04-05

Denion, Thomas E (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S276000, C060S278000, C060S301000

Reexamination Certificate

active

07918083

ABSTRACT:
There is described a method of controlling air intake flow of an internal combustion engine (1), the method including the steps of calculating a reference airflow (AREF) as the sum of a feed-forward contribution (AFF), calculated as a function of the reference air/fuel ratio ((A/F)REF) to be obtained in the combustion chamber, and a feed-back contribution (AFB), calculated as a function of the oxygen concentration (% O2) of the exhaust gas; and closed-loop controlling the air intake flow of the engine so that it equals the reference airflow (AREF).

REFERENCES:
patent: 6796118 (2004-09-01), Kitahara
patent: 7159391 (2007-01-01), Kogo et al.
patent: 19615547 (1997-10-01), None
patent: 20108652 (2002-09-01), None
patent: 0947685 (1999-10-01), None
European Search Report mailed Oct. 13, 2005 in corresponding PCT Application No. 05425285.3-2311.

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