噴(pen)(pen)油(you)器(qi)修理包-噴(pen)(pen)油(you)器(qi)就(jiu)是大家俗(su)稱(cheng)的噴(pen)(pen)油(you)嘴(zui)了,噴(pen)(pen)油(you)器(qi)是供油(you)系統中最重(zhong)要(yao)的部件,它實質(zhi)是一個(ge)電磁閥。
噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器(qi)的(de)作用是(shi)按(an)照發(fa)(fa)動(dong)機(ji)(ji)ECU計算出的(de)噴(pen)(pen)(pen)(pen)(pen)射正時(shi)和脈寬(kuan),向進(jin)氣歧管(guan)或氣缸(gang)內噴(pen)(pen)(pen)(pen)(pen)射燃油(you)(you)(you)(you)。噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器(qi)實際上(shang)是(shi)一個電磁閥,ECU通過(guo)控制其電磁閥線圈的(de)電流(liu)通斷,來控制噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器(qi)的(de)工作。噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器(qi)是(shi)維持發(fa)(fa)動(dong)機(ji)(ji)運轉的(de)重要(yao)部件,由(you)噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器(qi)體(ti)、噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)嘴(zui)、支座、彈簧等組成(cheng);由(you)噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器(qi)供油(you)(you)(you)(you)口泵進(jin)高(gao)壓(ya)(ya)油(you)(you)(you)(you),噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)器(qi)體(ti)內產生(sheng)高(gao)壓(ya)(ya)作用到噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)嘴(zui)錐面上(shang),當油(you)(you)(you)(you)壓(ya)(ya)超過(guo)調定值時(shi)噴(pen)(pen)(pen)(pen)(pen)油(you)(you)(you)(you)嘴(zui)閥芯開啟,高(gao)壓(ya)(ya)油(you)(you)(you)(you)從噴(pen)(pen)(pen)(pen)(pen)嘴(zui)小孔噴(pen)(pen)(pen)(pen)(pen)出,呈(cheng)霧(wu)狀到發(fa)(fa)動(dong)機(ji)(ji)缸(gang)筒(tong)里燃燒,使(shi)活(huo)塞往復運行。
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