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缸内制动什么意思

更新时间: 2020-10-25 00:00:00     

1、缸内制动是指当松开油门后,在压缩冲程阶段活塞处于上极点附近位置时排气门瞬间打开,释放掉高压气体。

2、关掉排气门,气缸内有很少气体,这在爆炸阶段活塞从上极点转向下运行时,气缸处于负压状态。

3、气体会阻止活塞下行,活塞相当于抽真空,产生对曲轴反方向的转矩作用,从而产生制动作用。

关键词: 制动 什么 意思

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