排(pai)氣歧管(guan),是與發動(dong)機氣缸體相連的(de),將(jiang)各缸的(de)排(pai)氣集(ji)中起來(lai)導入排(pai)氣總管(guan),帶(dai)有分歧的(de)管(guan)路。對它的(de)要求主要是,盡量減(jian)少排(pai)氣阻力,并避(bi)免各缸之間(jian)相互干(gan)擾(rao)。
排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)作用(yong):排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)是連(lian)接每個(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)缸(gang)(gang)的(de)(de)(de)(de)(de),最(zui)后(hou)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)會匯集成(cheng)一(yi)根管(guan)(guan)(guan)(guan)子(zi),排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)可(ke)以(yi)讓汽缸(gang)(gang)內排(pai)出的(de)(de)(de)(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)(qi)進入排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)。汽車(che)都(dou)是有(you)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de),如果發(fa)(fa)(fa)動機有(you)四個(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)缸(gang)(gang),就有(you)四根排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan),如果發(fa)(fa)(fa)動機有(you)八個(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)缸(gang)(gang),就有(you)八個(ge)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)。排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)(qi)管(guan)(guan)(guan)(guan)也(ye)被稱(cheng)為排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)頭段(duan)(duan),發(fa)(fa)(fa)動機的(de)(de)(de)(de)(de)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)是由三段(duan)(duan)組成(cheng)的(de)(de)(de)(de)(de),分別(bie)是頭段(duan)(duan),中(zhong)段(duan)(duan),尾(wei)段(duan)(duan)。中(zhong)段(duan)(duan)是在底盤上的(de)(de)(de)(de)(de),中(zhong)段(duan)(duan)是一(yi)根比(bi)較長(chang)的(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)子(zi)。尾(wei)段(duan)(duan)是靠近后(hou)保險杠的(de)(de)(de)(de)(de)部分,尾(wei)段(duan)(duan)上一(yi)般(ban)有(you)一(yi)個(ge)比(bi)較大的(de)(de)(de)(de)(de)消音器。排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)可(ke)以(yi)讓發(fa)(fa)(fa)動機做功產(chan)生的(de)(de)(de)(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)(qi)排(pai)到(dao)大氣(qi)(qi)(qi)(qi)(qi)(qi)中(zhong),并且可(ke)以(yi)降低(di)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)過程(cheng)中(zhong)產(chan)生的(de)(de)(de)(de)(de)噪音。
無限(xian)Q45發動機.4.5排氣(qi)量(liang).90-93年(nian)出(chu)廠.也叫帝王.日本皇室用車.日產(chan)公司原(yuan)來是日本(ben)的(de)國有企業
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