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|1. (WO2017175651) MARINE ENGINE SYSTEM AND VESSEL|
|Applicants:||MITSUI E&S SHIPBUILDING CO., LTD.
|Title:||MARINE ENGINE SYSTEM AND VESSEL|
According to the present invention, a turbo supercharger 12 is activated by exhaust gas supplied from an exhaust receiver 23, and air compressed by a compressor 12C of the turbo supercharger 12 is supplied through a scavenging path 16 to a scavenging receiver 20. An exhaust gas bypass pipe 27 which is provided with an exhaust gas bypass valve 27V and which bypasses the entrance side and the exit side of a turbine 12T of the turbo supercharger is provided. Thus, a vessel conforming to NOx secondary regulation can be easily reformed to be a vessel conforming to NOx tertiary regulation.