噴(pen)油(you)(you)(you)器(qi)修理包-噴(pen)油(you)(you)(you)器(qi)就(jiu)是(shi)(shi)大(da)家俗稱的(de)噴(pen)油(you)(you)(you)嘴了,噴(pen)油(you)(you)(you)器(qi)是(shi)(shi)供(gong)油(you)(you)(you)系統中(zhong)最(zui)重(zhong)要的(de)部件,它實質是(shi)(shi)一個電磁閥。
噴(pen)(pen)(pen)油(you)(you)器(qi)(qi)的作用是按照發(fa)(fa)(fa)動機(ji)(ji)ECU計算出的噴(pen)(pen)(pen)射正(zheng)時和脈寬(kuan),向進(jin)氣歧管或(huo)氣缸內(nei)噴(pen)(pen)(pen)射燃油(you)(you)。噴(pen)(pen)(pen)油(you)(you)器(qi)(qi)實際上是一個電磁閥(fa),ECU通過(guo)控制(zhi)其電磁閥(fa)線(xian)圈(quan)的電流通斷,來(lai)控制(zhi)噴(pen)(pen)(pen)油(you)(you)器(qi)(qi)的工(gong)作。噴(pen)(pen)(pen)油(you)(you)器(qi)(qi)是維持(chi)發(fa)(fa)(fa)動機(ji)(ji)運(yun)轉的重(zhong)要部件,由噴(pen)(pen)(pen)油(you)(you)器(qi)(qi)體、噴(pen)(pen)(pen)油(you)(you)嘴(zui)、支座、彈(dan)簧等組成;由噴(pen)(pen)(pen)油(you)(you)器(qi)(qi)供(gong)油(you)(you)口泵進(jin)高壓油(you)(you),噴(pen)(pen)(pen)油(you)(you)器(qi)(qi)體內(nei)產(chan)生(sheng)高壓作用到噴(pen)(pen)(pen)油(you)(you)嘴(zui)錐面上,當油(you)(you)壓超過(guo)調(diao)定值時噴(pen)(pen)(pen)油(you)(you)嘴(zui)閥(fa)芯開啟,高壓油(you)(you)從噴(pen)(pen)(pen)嘴(zui)小孔噴(pen)(pen)(pen)出,呈霧(wu)狀到發(fa)(fa)(fa)動機(ji)(ji)缸筒(tong)里燃燒,使活塞往復(fu)運(yun)行(xing)。
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