Diesel engine emission control system

Details Diesel engine emission control system Diesel engine emission control system

1997-11-14

2000-02-22

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123505, 123378, 12356822, 12356828, F02M 2507

Patent

active

060267909

ABSTRACT:
The present invention provides improvements in EGR control system of a diesel engine by limiting the maximum fuel, in amount, to be drawn into the engine cylinder and EGR rate in response to result of monitoring performance of EGR control. When the actual performance of EGR control falls outside of a predetermined window around the normal performance of EGR control, the maximum fuel is reduced and a throttle valve in the air intake path is fully opened.

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"Nissan Terrano" Manual (R50-0), pp. 70-89, Jul. 1995.

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