F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
123/130, 123/131
F02D 41/00 (2006.01) F02D 41/14 (2006.01) F02D 41/24 (2006.01) F02D 41/34 (2006.01)
Patent
CA 1334917
A fuel injection control system coupled to a multiport fuel injected engine for adjusting the air/fuel mixture of each combustion chamber to a preselected level. A plurality of fuel command controllers provides a separate fuel command signal to each fuel injector in response to a single base fuel command. During each correction interval of a correction time period, each of the fuel command signals is perturbed or offset in a predetermined sequence by a predetermined amount. A measurement of the average of air/fuel ratios among the combustion chambers is taken each correction interval. Airflow inducted into the combustion chambers is also measured. In response to these measurements, and the known fuel offsets, the actual fuel delivered by each fuel injector is calculated. All the fuel command controllers are corrected in response to associated fuel calculations to balance the air/fuel ratios of each combustion chamber.
601404
Ford Motor Company Of Canada Limited
Sim & Mcburney
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