Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Patent
1996-11-13
1999-06-01
Miller, Carl S.
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
123456, F02M 3704
Patent
active
059080221
ABSTRACT:
The present invention provides a fuel-injection control device for a diesel engine which uses a combination of a common-rail-type fuel-injection pump and an EGR control for exhaust gas purification.
In a fuel-injection control device for a diesel engine having a common-rail-type fuel-injection pump comprising a means for controlling fuel-injection pressure according to engine load and an EGR control means for adjusting the EGR ratio according to engine load, where the EGR can be reduced to zero, the means for controlling fuel-injection pressure includes a correcting function to correct the fuel-injection pressure in response to the EGR ratio.
REFERENCES:
patent: 4426981 (1984-01-01), Greiner
patent: 4466416 (1984-08-01), Kawamura
patent: 4471745 (1984-09-01), Yoshioka
patent: 4625702 (1986-12-01), Onishi
patent: 4644926 (1987-02-01), Sakurai
patent: 5150694 (1992-09-01), Currie
patent: 5186138 (1993-02-01), Hashimoto
patent: 5201306 (1993-04-01), Iiyama
1991 SAE International Congress and Exposition, SAE Paper No. 910252--Development of New Electronically Controlled Fuel Injection System ECD-U2 for Diesel Engines, Feb. 25, 1991, pp. 1-18.
Aoki Sigeru
Maehara Tosiyuki
Miller Carl S.
Toyota A. Aoki & Associates
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