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    • 1. 发明申请
    • ENGINE LUBRICATION SYSTEM
    • 发动机润滑系统
    • US20090218169A1
    • 2009-09-03
    • US12394820
    • 2009-02-27
    • Hiroshi KawamuraShunji MamiyaNoboru NowatariHitoshi Uema
    • Hiroshi KawamuraShunji MamiyaNoboru NowatariHitoshi Uema
    • F01M1/02
    • F01M1/04F01M1/12F01M2001/126
    • An engine lubrication system for a multi-cylinder engine, comprising: plurality of crank chambers that are partitioned by crankshaft bearing portions of the engine; pumps that take out oil from a lower portion of the engine; oil collection passages that are respectively provided for the crank chambers, a designated number of the oil collection passages being merged and connected to at least one of suction ports of the pumps; an oil storage section that temporarily stores the oil taken out from the lower portion of the engine; a lubrication part that supplies the oil in the oil storage section to a portion to be lubricated of the engine; and a pressure variation suppression section that is provided between the suction ports of the pumps and the designated number of the crank chambers to be merged, the pressure variation suppression section suppressing pressure variations in the crank chambers.
    • 一种用于多缸发动机的发动机润滑系统,包括:由发动机的曲轴轴承部分分隔的多个曲柄室; 从发动机下部取出油的泵; 分别设置用于曲轴室的油收集通道,指定数量的采油通道合并并连接到泵的吸入口中的至少一个; 储油部,暂时存储从发动机的下部取出的油; 润滑部,其将储油部中的油供给到所述发动机的被润滑部; 以及压力变化抑制部,其设置在所述泵的吸入口与要合并的所述指定数量的所述曲柄室之间,所述压力变化抑制部抑制所述曲柄室的压力变化。
    • 2. 发明授权
    • Engine lubrication system
    • 发动机润滑系统
    • US08292037B2
    • 2012-10-23
    • US12394820
    • 2009-02-27
    • Hiroshi KawamuraShunji MamiyaNoboru NowatariHitoshi Uema
    • Hiroshi KawamuraShunji MamiyaNoboru NowatariHitoshi Uema
    • F01M1/02
    • F01M1/04F01M1/12F01M2001/126
    • An engine lubrication system for a multi-cylinder engine, comprising: plurality of crank chambers that are partitioned by crankshaft bearing portions of the engine; pumps that take out oil from a lower portion of the engine; oil collection passages that are respectively provided for the crank chambers, a designated number of the oil collection passages being merged and connected to at least one of suction ports of the pumps; an oil storage section that temporarily stores the oil taken out from the lower portion of the engine; a lubrication part that supplies the oil in the oil storage section to a portion to be lubricated of the engine; and a pressure variation suppression section that is provided between the suction ports of the pumps and the designated number of the crank chambers to be merged, the pressure variation suppression section suppressing pressure variations in the crank chambers.
    • 一种用于多缸发动机的发动机润滑系统,包括:由发动机的曲轴轴承部分分隔的多个曲柄室; 从发动机下部取出油的泵; 分别设置用于曲轴室的油收集通道,指定数量的采油通道合并并连接到泵的吸入口中的至少一个; 储油部,暂时存储从发动机的下部取出的油; 润滑部,其将储油部中的油供给到所述发动机的被润滑部; 以及压力变化抑制部,其设置在所述泵的吸入口与要合并的所述指定数量的所述曲柄室之间,所述压力变化抑制部抑制所述曲柄室的压力变化。