Engine

Details Engine Engine

1998-07-31

2000-05-02

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

60274, 60276, 60299, F02M 2507, F01N 320

Patent

active

060559683

ABSTRACT:
An engine comprising an exhaust gas recirculation system, wherein a first combustion where the amount of the recirculated exhaust gas supplied to the combustion chamber is larger than the amount of recirculated exhaust gas where the amount of production of soot peaks and almost no soot is produced and a second combustion where the amount of recirculated exhaust gas supplied to the combustion chamber is smaller than the amount of recirculated exhaust gas where the amount of production of soot peaks are selectively switched. The exhaust gas recirculation rate is caused to be changed in a step-like manner when switching from the first combustion to the second combustion or from the second combustion to the first combustion.

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Sato, Yasuo et al., "A Simultaneous Reduction of NOx and Soot in Diesel Engines Under a New Combustion System," Spring Symposium 1996 held by Society of Automotive Engineers of Japan, Paper No. 205, May 1996, pp. 81-84.

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