排氣(qi)歧(qi)管,是(shi)與發(fa)動(dong)機氣(qi)缸(gang)體(ti)相連的,將各(ge)缸(gang)的排氣(qi)集中起來導入排氣(qi)總管,帶有分歧(qi)的管路。對它(ta)的要求主要是(shi),盡(jin)量減(jian)少排氣(qi)阻力(li),并避免各(ge)缸(gang)之(zhi)間(jian)相互干擾。
排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)的(de)(de)作用:排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)是(shi)連接每個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)缸(gang)的(de)(de),最(zui)后排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)會(hui)匯集成一根(gen)管(guan)(guan)(guan)(guan)子,排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)可(ke)以讓汽缸(gang)內排出的(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)進(jin)入排氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)。汽車(che)都(dou)是(shi)有(you)(you)排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)的(de)(de),如果發(fa)(fa)(fa)動(dong)(dong)機(ji)有(you)(you)四個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)缸(gang),就(jiu)有(you)(you)四根(gen)排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan),如果發(fa)(fa)(fa)動(dong)(dong)機(ji)有(you)(you)八個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)缸(gang),就(jiu)有(you)(you)八個(ge)(ge)排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)。排氣(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)也(ye)被稱為排氣(qi)(qi)(qi)(qi)(qi)頭段,發(fa)(fa)(fa)動(dong)(dong)機(ji)的(de)(de)排氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)是(shi)由三(san)段組(zu)成的(de)(de),分(fen)別是(shi)頭段,中(zhong)段,尾(wei)段。中(zhong)段是(shi)在底盤上(shang)的(de)(de),中(zhong)段是(shi)一根(gen)比較(jiao)長的(de)(de)管(guan)(guan)(guan)(guan)子。尾(wei)段是(shi)靠近(jin)后保險杠(gang)的(de)(de)部(bu)分(fen),尾(wei)段上(shang)一般有(you)(you)一個(ge)(ge)比較(jiao)大的(de)(de)消音(yin)器。排氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)可(ke)以讓發(fa)(fa)(fa)動(dong)(dong)機(ji)做(zuo)功產(chan)生的(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)排到(dao)大氣(qi)(qi)(qi)(qi)(qi)中(zhong),并(bing)且(qie)可(ke)以降低排氣(qi)(qi)(qi)(qi)(qi)過程(cheng)中(zhong)產(chan)生的(de)(de)噪(zao)音(yin)。
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