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    • 23. 发明公开
    • Link type variable stroke engine
    • Brennkraftmaschine mit variablem Kolbenhub und Multi-Gelenkgetriebe
    • EP2123869A1
    • 2009-11-25
    • EP09160365.4
    • 2009-05-15
    • Honda Motor Co., Ltd.
    • Kono, ShoheiSato, Yoshikazu
    • F01M9/06F01M11/02F02B41/04
    • F01M11/02F01M9/06F01M2011/027F02B41/04F02B75/048F02B75/16
    • In a link type variable stroke engine in which a piston, a crankshaft (17) and an eccentric shaft (33) are linked by a linking mechanism, an oil supply hole (70) for supplying lubricating oil to a position between a connection tubular part (57) of a sub connecting rod (58A) and a crank pin (17C) is provided in an upper portion of the connection tubular part at a position which is deviated from a direction of application of maximum load applied from the crank pin to an inner surface of the connection tubular part (57) by maximum in-tube pressure, and which is immediately behind a point of application of the maximum load along a direction in which the crank pin rotates relative to the sub connecting rod. Accordingly, it is possible to prevent leak of oil from the oil supply hole and thereby reliably lubricating the position between the connection tubular part of the sub connecting rod and the crank pin by a splash lubrication system.
    • 在一种连杆式可变冲程发动机中,其中活塞,曲轴(17)和偏心轴(33)通过连杆机构连接;一个供油孔(70),用于将润滑油供应到连接管状部分 副连接杆(58A)和曲柄销(17C)的下端(57)设置在连接管状部分的上部,该位置偏离从曲柄销施加的最大负载方向到 连接管状部分(57)的内表面通过最大的管内压力,并且其沿着曲柄销相对于副连接杆旋转的方向在最大载荷的施加点之后立即落后。 因此,可以防止油从供油孔泄漏,从而通过飞溅润滑系统可靠地润滑副连杆的连接筒状部与曲柄销之间的位置。