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    • 9. 发明专利
    • Four-cycle air-oil cooled engine
    • 四循环空气冷却发动机
    • JP2010071128A
    • 2010-04-02
    • JP2008237625
    • 2008-09-17
    • Honda Motor Co Ltd本田技研工業株式会社
    • SUGIURA HIROYUKI
    • F01P1/10F01P1/02F01P3/02F01P3/12F02F1/24F02P13/00
    • F01P3/02F01P2003/006F01P2003/025
    • PROBLEM TO BE SOLVED: To provide a four-cycle air-oil cooled engine in which a lid member for closing an opening end of a ring-like groove surrounding a plug mounting hole is formed like a ring surrounding the ignition plug to be fixed to a cylinder head so as to form an oil jacket disposed on the periphery of the plug mounting hole in a gap with the cylinder head, wherein sealing performance is ensured and assembly performance is enhanced while simplifying a sealing structure between the cylinder head and the lid member for forming the oil jacket.
      SOLUTION: A cylinder head 18 keeps a first and second flat sealing surfaces 84, 85 endlessly continuous with each other so as to sandwich an opening end of a groove 82 from the inside and outside while being disposed on the same plane perpendicular to an axis of a plug mounting hole 49. A lid member 83 having a flat surface 86 facing the first and second sealing surfaces 84, 85 is fixed to the cylinder head 18 by interposing a sealing member 87 between the first and second sealing surfaces 84, 85 and the flat surface 86.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种四循环空气 - 油冷却发动机,其中用于关闭围绕塞子安装孔的环形槽的开口端的盖构件形成为围绕火花塞的环,形成为围绕火花塞的环 固定在气缸盖上,以形成与气缸盖间隙设置在插头安装孔周边上的油套,其中确保了密封性能,提高了组装性能,同时简化了气缸盖与气缸盖之间的密封结构 用于形成油套的盖构件。 解决方案:气缸盖18保持第一和第二平坦的密封表面84,85彼此连续地连续,从而从内部和外部夹住凹槽82的开口端,同时被放置在与垂直于 插头安装孔49的轴线。具有面向第一和第二密封表面84,85的平坦表面86的盖构件83通过在第一和第二密封表面84,85之间插入密封构件87而固定到气缸盖18, 85和平坦表面86.版权所有(C)2010,JPO&INPIT