(相关资料图)
1、活塞顶部在曲轴旋转中心最远的位置称为上止点,最近的位置称为下止点,从上止点到下止点的距离称为活塞行程。
2、活塞式航空发动机多为四冲程发动机,即一个气缸完成一个工作循环,活塞在气缸内要经历四个冲程,依次为进气冲程、压缩冲程、膨胀冲程和排气冲程。
(相关资料图)
1、活塞顶部在曲轴旋转中心最远的位置称为上止点,最近的位置称为下止点,从上止点到下止点的距离称为活塞行程。
2、活塞式航空发动机多为四冲程发动机,即一个气缸完成一个工作循环,活塞在气缸内要经历四个冲程,依次为进气冲程、压缩冲程、膨胀冲程和排气冲程。
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