| 摘要 |
An engine (1) has an exhaust manifold (12) provided with a communicating portion (25B) of a bypass line (25) from an air-supply side and a branch portion (31A) to an EGR line (31). When an exhaust gas outlet (13) is provided in an intermediary of the exhaust manifold (12) in a longitudinal direction along an engine cylinder line, the communicating portion (25B) of the bypass line (25) and the branch portion (31A) of the EGR line (31) that are provided on the exhaust manifold (12) are provided on both sides in the longitudinal direction sandwiching the exhaust gas outlet (13) and spaced apart from each other so that a part of the exhaust gas is pushed by an air supply fed from the bypass line (25) is pushed to enter the EGR line (31).
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