To provide an internal combustion engine capable of preventing the corrosion and stain of an intercooler due to EGR gas, and suppressing the discharge of white smoke in exhaust gas at the cold start of the internal combustion engine, and an EGR method and control method therefor.
An internal combustion engine 1, 1A is provided with a compressor 3a of a discharge turbo supercharger 13, an intercooler 14 and externally driven supercharger 15 in order from the upstream side in a suction passage 11 of the internal combustion engine 1, 1A, with a turbine 13b of the discharge turbo supercharger 13 in a discharge passage 12, and with a bypass passage 16 having a flow rate adjustment valve 16a for bypassing the externally driven supercharger 15, wherein EGR gas Ge which is a part of exhaust gas G is supplied to the upstream side of the externally driven supercharger 15 from the upstream side of the turbine 13b.
ISHIKAWA NAOYA
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| JP2010127126A | 2010-06-10 | |||
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| JP2010203426A | 2010-09-16 |
| WO2010121684A1 | 2010-10-28 |
Takashi Noguchi
Takayoshi in the daytime
Kenji Sato
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita
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