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    • 8. 发明申请
    • MARINE DIESEL ENGINE
    • 海洋柴油发动机
    • US20100281862A1
    • 2010-11-11
    • US12810932
    • 2008-07-30
    • Keiichi ShiraishiTakanori TeshimaTakuma AshidaTakanori NishijimaShinji Nomura
    • Keiichi ShiraishiTakanori TeshimaTakuma AshidaTakanori NishijimaShinji Nomura
    • F02D23/00F02B33/40
    • F02B37/007F02B37/001F02B37/002F02B37/16F02B37/22F02B37/225Y02T10/144
    • In a marine diesel engine equipped with a plurality of turbochargers, when the turbochargers are switched from single operation to parallel operation or from parallel operation to single operation, surging in the turbocharger to be started or stopped is prevented. The marine diesel engine includes an exhaust pipe (L2) via which an exhaust manifold (6) mounted on an engine body (2) communicates with a turbine part (4a), a turbine inlet valve (10) connected somewhere in the exhaust pipe (L2), a supply pipe (L4) via which a compressor part (4b) communicates with a supply manifold (7) mounted on the engine body (2), a check valve (11) that is connected somewhere in the supply pipe (L4) and that becomes open when the outlet pressure of the compressor part (4b) reaches or exceeds the outlet pressure of a compressor part (3b); an air vent pipe (L9) having one end thereof connected somewhere in the supply pipe (L4) between the compressor part (4b) and the check valve (11), and an air vent valve (12) connected somewhere in the air vent pipe (L9).
    • 在配备有多个涡轮增压器的船用柴油发动机中,当涡轮增压器从单一操作切换到并联运行或从并联运行到单次运转时,防止涡轮增压器中的起动或停止的喘振。 船用柴油发动机包括排气管(L2),安装在发动机主体(2)上的排气歧管(6)通过该排气管与涡轮部分(4a)连通,涡轮进口阀(10)连接在排气管的某处 L2),压缩机部(4b)与安装在发动机主体(2)上的供给歧管(7)连通的供给管(L4),连接在供给管(L4)的某处的止回阀 ),并且当压缩机部分(4b)的出口压力达到或超过压缩机部分(3b)的出口压力时变为开启; 其一端连接在压缩机部4b和止回阀11之间的供给管L4的某处的排气管L9,以及排气阀12, (L9)。