排(pai)(pai)氣(qi)歧管(guan),是與發(fa)動機氣(qi)缸(gang)體相連的,將(jiang)各缸(gang)的排(pai)(pai)氣(qi)集(ji)中起來導入排(pai)(pai)氣(qi)總管(guan),帶有分歧的管(guan)路。對它的要求(qiu)主要是,盡量減少排(pai)(pai)氣(qi)阻力,并避免各缸(gang)之間(jian)相互干(gan)擾(rao)。
排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)的(de)(de)作用:排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)是(shi)(shi)(shi)(shi)連接每個(ge)氣(qi)(qi)(qi)(qi)(qi)缸的(de)(de),最后排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)會匯集成(cheng)一(yi)根管(guan)(guan)子(zi)(zi),排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)可以(yi)讓汽缸內排出的(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)進入排氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)。汽車都(dou)是(shi)(shi)(shi)(shi)有排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)的(de)(de),如果發動(dong)機有四個(ge)氣(qi)(qi)(qi)(qi)(qi)缸,就(jiu)有四根排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan),如果發動(dong)機有八個(ge)氣(qi)(qi)(qi)(qi)(qi)缸,就(jiu)有八個(ge)排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)。排氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)也被(bei)稱為排氣(qi)(qi)(qi)(qi)(qi)頭(tou)段,發動(dong)機的(de)(de)排氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)是(shi)(shi)(shi)(shi)由三段組成(cheng)的(de)(de),分別是(shi)(shi)(shi)(shi)頭(tou)段,中(zhong)(zhong)段,尾段。中(zhong)(zhong)段是(shi)(shi)(shi)(shi)在底(di)盤上的(de)(de),中(zhong)(zhong)段是(shi)(shi)(shi)(shi)一(yi)根比較長的(de)(de)管(guan)(guan)子(zi)(zi)。尾段是(shi)(shi)(shi)(shi)靠近后保險杠(gang)的(de)(de)部分,尾段上一(yi)般有一(yi)個(ge)比較大(da)的(de)(de)消(xiao)音(yin)器。排氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)可以(yi)讓發動(dong)機做(zuo)功(gong)產生的(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)排到(dao)大(da)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong),并(bing)且(qie)可以(yi)降(jiang)低(di)排氣(qi)(qi)(qi)(qi)(qi)過程中(zhong)(zhong)產生的(de)(de)噪音(yin)。
一致認為(wei)這款新車打破了(le)傳統(tong)微(wei)轎 廉價低檔的(de)舊形象,當屬微(wei)轎中(zhong)的(de)精(jing)品(pin)車,小車中(zhong)的(de)貴(gui)族(zu)車,鑒(jian)于此,大(da)家(jia)賦(fu)予它平廉之(zhi)上見(jian)精(jing)貴(gui)”的(de)新內涵(han)、新感召力,故爾(er),貫以小貴(gui)族(zu)的(de)美名。
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