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1. (WO2017175651) MARINE ENGINE SYSTEM AND VESSEL

Pub. No.:    WO/2017/175651    International Application No.:    PCT/JP2017/013104
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Thu Mar 30 01:59:59 CEST 2017
IPC: F02B 37/18
B63H 21/32
F01N 3/08
F01N 3/24
F02M 26/05
F02M 26/12
Applicants: MITSUI E&S SHIPBUILDING CO., LTD.
三井E&S造船株式会社
Inventors: SHINKAWA Keisuke
新川 佳祐
YUASA Shinya
湯浅 伸哉
Title: MARINE ENGINE SYSTEM AND VESSEL
Abstract:
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.