天气预报 > 汽车 > 汽车碳罐的作用
汽车碳罐的作用
更新时间: 2021-04-06 07:18:35  

1、碳罐其实是隶属于汽油蒸发控制系统(EVAP)的一部分,该系统是为了避免发动机停止运转后燃油蒸汽逸入大气而被引入的。发动机熄火后,汽油蒸汽与新鲜空气在罐内混合并贮存在活性碳罐中。

2、当发动机启动后,装在活性碳罐与进气歧管之间的电磁阀门打开,活性碳罐内的汽油蒸汽在进气管的真空度作用下被洁净空气带入气缸内参加燃烧。这样做不但降低了排放,而且也降低了油耗。

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