噴(pen)油(you)器(qi)修理包-噴(pen)油(you)器(qi)就是(shi)大家俗(su)稱的(de)噴(pen)油(you)嘴了,噴(pen)油(you)器(qi)是(shi)供油(you)系統(tong)中最重要的(de)部件,它實質是(shi)一個電磁閥。
噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器的(de)作(zuo)用(yong)(yong)是(shi)按照發動機ECU計算出的(de)噴(pen)(pen)(pen)(pen)射正時(shi)和脈寬(kuan),向進(jin)氣(qi)歧管或氣(qi)缸內噴(pen)(pen)(pen)(pen)射燃(ran)油(you)(you)(you)(you)。噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器實際上是(shi)一個(ge)電(dian)磁(ci)閥(fa),ECU通過控制(zhi)其電(dian)磁(ci)閥(fa)線圈的(de)電(dian)流通斷,來控制(zhi)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器的(de)工作(zuo)。噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器是(shi)維持發動機運轉(zhuan)的(de)重要部件,由(you)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器體(ti)(ti)、噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)嘴、支(zhi)座、彈簧(huang)等(deng)組成;由(you)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器供油(you)(you)(you)(you)口泵進(jin)高(gao)(gao)壓(ya)油(you)(you)(you)(you),噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器體(ti)(ti)內產生高(gao)(gao)壓(ya)作(zuo)用(yong)(yong)到(dao)(dao)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)嘴錐面上,當油(you)(you)(you)(you)壓(ya)超過調定(ding)值時(shi)噴(pen)(pen)(pen)(pen)油(you)(you)(you)(you)嘴閥(fa)芯開(kai)啟,高(gao)(gao)壓(ya)油(you)(you)(you)(you)從噴(pen)(pen)(pen)(pen)嘴小孔噴(pen)(pen)(pen)(pen)出,呈霧狀到(dao)(dao)發動機缸筒里燃(ran)燒,使(shi)活塞往(wang)復(fu)運行。
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