排(pai)氣(qi)歧管,是與發動機氣(qi)缸體(ti)相(xiang)連(lian)的,將各(ge)缸的排(pai)氣(qi)集中起來導(dao)入(ru)排(pai)氣(qi)總管,帶(dai)有(you)分歧的管路。對它的要求主要是,盡(jin)量(liang)減少排(pai)氣(qi)阻力,并避免(mian)各(ge)缸之間相(xiang)互干擾。
排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)作用(yong):排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)是(shi)連(lian)接每個氣(qi)(qi)(qi)(qi)缸(gang)的(de)(de)(de)(de),最后(hou)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)會匯集成一(yi)根(gen)管(guan)(guan)(guan)(guan)(guan)子(zi),排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)可(ke)以(yi)讓(rang)汽缸(gang)內排(pai)(pai)(pai)出(chu)的(de)(de)(de)(de)廢氣(qi)(qi)(qi)(qi)進入排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)。汽車都(dou)是(shi)有(you)(you)(you)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de),如果發(fa)(fa)動(dong)機有(you)(you)(you)四個氣(qi)(qi)(qi)(qi)缸(gang),就有(you)(you)(you)四根(gen)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan),如果發(fa)(fa)動(dong)機有(you)(you)(you)八個氣(qi)(qi)(qi)(qi)缸(gang),就有(you)(you)(you)八個排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)。排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)也(ye)被稱為排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)頭段(duan)(duan),發(fa)(fa)動(dong)機的(de)(de)(de)(de)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)是(shi)由(you)三段(duan)(duan)組成的(de)(de)(de)(de),分(fen)別是(shi)頭段(duan)(duan),中(zhong)段(duan)(duan),尾(wei)段(duan)(duan)。中(zhong)段(duan)(duan)是(shi)在底盤上的(de)(de)(de)(de),中(zhong)段(duan)(duan)是(shi)一(yi)根(gen)比較長的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)子(zi)。尾(wei)段(duan)(duan)是(shi)靠近后(hou)保險杠的(de)(de)(de)(de)部分(fen),尾(wei)段(duan)(duan)上一(yi)般(ban)有(you)(you)(you)一(yi)個比較大的(de)(de)(de)(de)消(xiao)音器。排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)可(ke)以(yi)讓(rang)發(fa)(fa)動(dong)機做功(gong)產(chan)生的(de)(de)(de)(de)廢氣(qi)(qi)(qi)(qi)排(pai)(pai)(pai)到大氣(qi)(qi)(qi)(qi)中(zhong),并且可(ke)以(yi)降低(di)排(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)過程中(zhong)產(chan)生的(de)(de)(de)(de)噪音。
五菱(ling)宏光(guang)PLUS是上汽通(tong)用(yong)五菱(ling)旗(qi)下(xia)的一款全(quan)新車型,整體造型較為方正硬朗,并加入懸浮式車頂等(deng)設計元(yuan)素。新車軸距為2800mm,提(ti)供2+2+3、2+3+3兩種座(zuo)椅(yi)布局形式,動力上搭載一臺1.5T渦輪增壓(ya)發(fa)動機,新車預(yu)計將(jiang)于(yu)10月(yue)上市(shi)
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