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    • 9. 发明授权
    • Cylinder head lubricating structure for engine
    • 发动机缸盖润滑结构
    • US08171923B2
    • 2012-05-08
    • US12468425
    • 2009-05-19
    • Shigeru ShudoGo TanakaHirohisa Ishikawa
    • Shigeru ShudoGo TanakaHirohisa Ishikawa
    • F01M9/10F01M13/00F02B25/06
    • F01M9/06F01M1/04F01M13/022F01M13/04F16N7/26
    • In a cylinder head lubricating structure for an engine, in which a breather passage which guides, toward a cylinder head, gas including oil mist generated in a crank chamber by oil splashing means housed in the crank chamber so as to splash-oil in accordance with rotation of a crankshaft is formed in a crankcase, a cylinder block and the cylinder head to supply, toward the cylinder head, lubricating oil through the breather passage, a breather chamber with which an end portion, on the crank chamber side, of the breather passage communicates is formed in the crankcase, and a one-way valve preventing backflow of the oil toward the crank chamber is attached to the crankcase to be located between the crank chamber and the breather chamber. Accordingly, it is possible to supply a sufficient amount of oil to the cylinder head side even when the head difference between the crank chamber and the cylinder head is large.
    • 在一种用于发动机的气缸盖润滑结构中,其中,通向气缸盖的通气通道,所述通气通道根据容纳在所述曲柄室中的油溅装置在曲轴室中产生的包含油雾的气体按照 曲轴的旋转形成在曲轴箱,气缸体和气缸盖中,以通过通气通道向气缸盖供给润滑油;通气室,其在曲轴室侧的端部与通气孔 通道连通形成在曲轴箱中,并且防止油向曲轴室回流的单向阀附接到曲轴箱以位于曲轴室和通气室之间。 因此,即使在曲柄室和气缸盖之间的头部差大的情况下,也可以向气缸盖侧供给足够量的油。