噴(pen)油(you)(you)器(qi)修理包-噴(pen)油(you)(you)器(qi)就是(shi)大家俗稱(cheng)的噴(pen)油(you)(you)嘴了,噴(pen)油(you)(you)器(qi)是(shi)供油(you)(you)系統(tong)中最重要的部件(jian),它實質是(shi)一個電磁(ci)閥。
噴(pen)(pen)(pen)(pen)油(you)(you)器(qi)(qi)的(de)(de)作用(yong)是按照發(fa)(fa)動(dong)機ECU計算出的(de)(de)噴(pen)(pen)(pen)(pen)射(she)正時和脈(mo)寬(kuan),向(xiang)進氣(qi)歧管或氣(qi)缸內(nei)噴(pen)(pen)(pen)(pen)射(she)燃油(you)(you)。噴(pen)(pen)(pen)(pen)油(you)(you)器(qi)(qi)實際(ji)上(shang)是一個電(dian)磁(ci)(ci)閥,ECU通(tong)過控制其電(dian)磁(ci)(ci)閥線圈的(de)(de)電(dian)流(liu)通(tong)斷,來控制噴(pen)(pen)(pen)(pen)油(you)(you)器(qi)(qi)的(de)(de)工作。噴(pen)(pen)(pen)(pen)油(you)(you)器(qi)(qi)是維持發(fa)(fa)動(dong)機運轉的(de)(de)重要部(bu)件,由(you)噴(pen)(pen)(pen)(pen)油(you)(you)器(qi)(qi)體、噴(pen)(pen)(pen)(pen)油(you)(you)嘴(zui)、支(zhi)座、彈簧(huang)等組成;由(you)噴(pen)(pen)(pen)(pen)油(you)(you)器(qi)(qi)供油(you)(you)口泵進高(gao)壓(ya)(ya)油(you)(you),噴(pen)(pen)(pen)(pen)油(you)(you)器(qi)(qi)體內(nei)產生(sheng)高(gao)壓(ya)(ya)作用(yong)到噴(pen)(pen)(pen)(pen)油(you)(you)嘴(zui)錐面上(shang),當油(you)(you)壓(ya)(ya)超過調定值時噴(pen)(pen)(pen)(pen)油(you)(you)嘴(zui)閥芯開啟,高(gao)壓(ya)(ya)油(you)(you)從噴(pen)(pen)(pen)(pen)嘴(zui)小孔噴(pen)(pen)(pen)(pen)出,呈霧狀(zhuang)到發(fa)(fa)動(dong)機缸筒里(li)燃燒,使活(huo)塞往復運行。
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