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    • 1. 发明授权
    • Lubrication system for direct injected engine
    • 直喷式发动机润滑系统
    • US06640768B1
    • 2003-11-04
    • US09570632
    • 2000-05-15
    • Kazutoshi TakashimaTakao NagaiNoriyoshi Hiraoka
    • Kazutoshi TakashimaTakao NagaiNoriyoshi Hiraoka
    • F01M1102
    • F02B61/045F01M3/02F02B2075/025
    • A lubrication system for a direct injected V-type two-cycle engine is disclosed having a lubricant pump adapted to discharge lubricant into each crankcase chamber of the engine through ports positioned adjacent the downstream side of reed valves of the air intake system. Ports supplying lubricant to cylinders in the right cylinder bank of the engine extend through a left wall of the corresponding crankcase chamber. Ports supplying lubricant to cylinders in the left cylinder bank of the engine extend through a right wall of the corresponding crankcase chamber. During engine assembly, the lubricant pump is manually driven before it is mechanically installed so as to fill the attached supply hoses with lubricant. The pump delivers lubricant to each crankcase chamber at a rate high enough to avoid lubricant carbonization at engine idle and low enough to avoid lubricant resistance to crankshaft rotation, which may make the engine difficult to start.
    • 公开了一种用于直接喷射的V型双冲程发动机的润滑系统,其具有润滑剂泵,其适于通过邻近进气系统的簧片阀的下游侧的端口将润滑剂排放到发动机的每个曲轴箱室中。 向发动机的右气缸组中的气缸供应润滑剂的端口延伸通过相应的曲轴箱室的左壁。 向发动机的左气缸组中的气缸供应润滑剂的端口延伸通过相应的曲轴箱室的右壁。 在发动机组装过程中,润滑泵在机械安装之前是手动驱动的,以便用润滑剂填充连接的供应软管。 该泵以足够高的速率向每个曲轴箱室输送润滑剂,以避免发动机怠速时的润滑剂碳化,并足够低以避免润滑剂抵抗曲轴旋转,这可能使发动机难以起动。