Low noise level internal combustion engine
    121.
    发明授权
    Low noise level internal combustion engine 失效
    低噪音级内燃机

    公开(公告)号:US4412514A

    公开(公告)日:1983-11-01

    申请号:US255768

    申请日:1981-04-20

    Abstract: An internal combustion engine having a cylinder block, comprises a bearing support beam structure secured to the cylinder block and including a plurality of main bearing carrying sections which are made of aluminum allow and incorporate with the corresponding sections of the cylinder block to rotatably support a crankshaft, and a steel pipe securely disposed within and in a manner to pierce the main bearing carrying sections, thereby lightening the weight of the entire engine, increasing the flexural rigidity of the cylinder block.

    Abstract translation: 具有气缸体的内燃机包括固定到气缸体的轴承支撑梁结构,并且包括多个由铝制成的主轴承承载部分,允许并与缸体的相应部分结合,以可旋转地支撑曲轴 以及牢固地设置在刺穿主轴承承载部分的方式上并因此减轻整个发动机的重量的钢管,增加了气缸体的抗弯刚度。

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