Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1997-06-03
2000-01-11
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
123501, 12356821, 701104, 701108, F02M 2507, F02M 5100, F02M 3708
Patent
active
060124318
ABSTRACT:
At least an engine speed, an opening of an accelerator and an amount of an intake air are detected as an engine operating condition. A standard volume for injecting fuel oil is calculated on the basis of at least the engine speed and the opening of the accelerator. A target injection timing of fuel is set on the basis of the engine speed and the standard volume for injecting fuel oil. An actual fuel injection timing is detected. A standard target EGR rate is calculated on the basis of the engine speed, the amount of the intake air and the standard volume for injecting fuel oil. An amount of adjustment of a target EGR rate is calculated on the basis of the standard volume for injecting fuel oil, the target fuel injection timing and the actual fuel injection timing. A final target EGR rate is set on the basis of the standard target EGR rate and the amount of adjustment. An EGR is controlled on the basis of the final target EGR rate.
REFERENCES:
patent: 4450825 (1984-05-01), Schiguchi et al.
patent: 4454855 (1984-06-01), Otobe et al.
patent: 4762109 (1988-08-01), Jeenicke
patent: 5515833 (1996-05-01), Cullen et al.
patent: 5520161 (1996-05-01), Klopp
patent: 5682864 (1997-11-01), Shirakawa
Aizawa Hiroyuki
Itoyama Hiroyuki
Argenbright Tony M.
Castro Arnold
Nissan Motor Co,. Ltd.
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