排(pai)氣(qi)歧管,是(shi)與(yu)發動(dong)機氣(qi)缸體相(xiang)連的(de)(de),將各缸的(de)(de)排(pai)氣(qi)集中起來導入(ru)排(pai)氣(qi)總管,帶(dai)有分歧的(de)(de)管路。對它(ta)的(de)(de)要求主要是(shi),盡(jin)量減(jian)少排(pai)氣(qi)阻力,并避免各缸之間(jian)相(xiang)互(hu)干(gan)擾。
排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)的(de)作用:排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)連接每個氣(qi)(qi)(qi)(qi)(qi)缸(gang)的(de),最后排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)會(hui)匯集成(cheng)一根(gen)(gen)管(guan)(guan)(guan)(guan)(guan)子(zi)(zi),排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)可以讓(rang)汽缸(gang)內排(pai)(pai)(pai)出的(de)廢氣(qi)(qi)(qi)(qi)(qi)進入排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)。汽車都是(shi)(shi)(shi)有(you)(you)(you)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)的(de),如果發動(dong)機(ji)(ji)有(you)(you)(you)四個氣(qi)(qi)(qi)(qi)(qi)缸(gang),就有(you)(you)(you)四根(gen)(gen)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan),如果發動(dong)機(ji)(ji)有(you)(you)(you)八個氣(qi)(qi)(qi)(qi)(qi)缸(gang),就有(you)(you)(you)八個排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)。排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)也被稱為排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)頭段(duan),發動(dong)機(ji)(ji)的(de)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)由三(san)段(duan)組成(cheng)的(de),分別是(shi)(shi)(shi)頭段(duan),中(zhong)段(duan),尾段(duan)。中(zhong)段(duan)是(shi)(shi)(shi)在底盤上的(de),中(zhong)段(duan)是(shi)(shi)(shi)一根(gen)(gen)比(bi)較(jiao)長的(de)管(guan)(guan)(guan)(guan)(guan)子(zi)(zi)。尾段(duan)是(shi)(shi)(shi)靠(kao)近后保險杠的(de)部分,尾段(duan)上一般有(you)(you)(you)一個比(bi)較(jiao)大(da)(da)的(de)消音器。排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)可以讓(rang)發動(dong)機(ji)(ji)做功產生的(de)廢氣(qi)(qi)(qi)(qi)(qi)排(pai)(pai)(pai)到大(da)(da)氣(qi)(qi)(qi)(qi)(qi)中(zhong),并且(qie)可以降低排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)過程(cheng)中(zhong)產生的(de)噪音。
英菲尼(ni)迪QX60商務(wu)艙級豪華七(qi)座SUV,擁(yong)有獨創性的二(er)排座椅傾(qing)斜和滑動(dong)功能,更搭載全速段智能巡航系統(tong)、智能四驅系統(tong)和倒(dao)車碰撞預防(fang)系統(tong)(BCI),車距控(kong)制輔助(zhu)系統(tong)(DCA)等(deng)
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