解答原理:摩托车油箱,进空气与汽油挥发的矛盾是如何解决的?

2025-04-01 18:18:57
推荐回答(2个)
回答1:

油箱盖都会在两层铁皮的夹层间做出一个空气通道,以使油箱不至真空而不流油,还有的是在油箱盖上留有曲折的空气通道,但都是很隐弊的,不容易发现,这种多见于那种平口油箱盖,汽油通过油箱盖的通气口是有挥发的,天热的时候对着阳光就可以发现油箱盖上有汽油蒸发的“气浪”,而且有的油箱盖在内部设计有一个滚珠,可以在车辆倾倒时关闭通气口,以防止汽油过多流出。

回答2:

油箱的气压平衡结构在油箱锁上面,你可以找个锁盖来拆拆看。为了保证不进水,在油箱锁盖上有两个密封圈,一个用于密封油箱口,另一个用于锁匙孔,另外在油箱盖上面专门设有很小的通气孔!

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