噴油(you)器(qi)修(xiu)理包-噴油(you)器(qi)就(jiu)是(shi)大家(jia)俗稱(cheng)的噴油(you)嘴了(le),噴油(you)器(qi)是(shi)供油(you)系統中最重要的部件,它實(shi)質是(shi)一個電磁閥(fa)。
噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)器(qi)(qi)(qi)(qi)的作用是按照發(fa)動(dong)(dong)機ECU計(ji)算出的噴(pen)(pen)(pen)(pen)射正時和脈寬,向進(jin)氣(qi)歧管或氣(qi)缸內(nei)噴(pen)(pen)(pen)(pen)射燃(ran)油(you)(you)(you)(you)(you)(you)。噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)器(qi)(qi)(qi)(qi)實際上(shang)是一個(ge)電磁閥,ECU通(tong)過控制(zhi)其電磁閥線圈的電流通(tong)斷,來(lai)控制(zhi)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)器(qi)(qi)(qi)(qi)的工作。噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)器(qi)(qi)(qi)(qi)是維持發(fa)動(dong)(dong)機運(yun)轉的重要部件,由(you)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)器(qi)(qi)(qi)(qi)體(ti)、噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)嘴、支座、彈簧等(deng)組(zu)成;由(you)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)器(qi)(qi)(qi)(qi)供油(you)(you)(you)(you)(you)(you)口泵進(jin)高壓(ya)油(you)(you)(you)(you)(you)(you),噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)器(qi)(qi)(qi)(qi)體(ti)內(nei)產生高壓(ya)作用到噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)嘴錐面上(shang),當油(you)(you)(you)(you)(you)(you)壓(ya)超過調定值時噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)(you)(you)嘴閥芯開啟(qi),高壓(ya)油(you)(you)(you)(you)(you)(you)從噴(pen)(pen)(pen)(pen)嘴小孔噴(pen)(pen)(pen)(pen)出,呈霧狀到發(fa)動(dong)(dong)機缸筒里燃(ran)燒(shao),使活塞(sai)往復運(yun)行(xing)。
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