常用發動機有哪些
常用發(fa)動(dong)機有自(zi)然(ran)吸氣、渦輪增(zeng)壓、機械增(zeng)壓、雙增(zeng)壓發(fa)動(dong)機,以及按不同工(gong)作方式、排(pai)列類型(xing)等劃(hua)分的多種(zhong)發(fa)動(dong)機。
自(zi)然吸(xi)氣(qi)發動(dong)(dong)機(ji)(ji)(ji)(ji)依靠大氣(qi)壓(ya)(ya)(ya)力進氣(qi),結(jie)構簡單(dan)可靠,動(dong)(dong)力輸出(chu)(chu)平順(shun),像本田(tian)(||)、豐田(tian)(||)等(deng)經典車(che)型都(dou)有(you)采(cai)(cai)用。不過,它(ta)的功率相(xiang)對強制(zhi)進氣(qi)發動(dong)(dong)機(ji)(ji)(ji)(ji)較小。渦(wo)輪(lun)增(zeng)(zeng)壓(ya)(ya)(ya)發動(dong)(dong)機(ji)(ji)(ji)(ji)則(ze)借助渦(wo)輪(lun)增(zeng)(zeng)壓(ya)(ya)(ya)器(qi)強制(zhi)進氣(qi),能產生(sheng)更大動(dong)(dong)力,寶(bao)馬3系(xi)、大眾(zhong)邁(mai)騰等(deng)車(che)型都(dou)配備了這種發動(dong)(dong)機(ji)(ji)(ji)(ji)。機(ji)(ji)(ji)(ji)械增(zeng)(zeng)壓(ya)(ya)(ya)發動(dong)(dong)機(ji)(ji)(ji)(ji)利(li)用引擎出(chu)(chu)力驅動(dong)(dong)增(zeng)(zeng)壓(ya)(ya)(ya)器(qi),工作穩定,紅旗H9、路虎衛士等(deng)有(you)所應(ying)用。雙增(zeng)(zeng)壓(ya)(ya)(ya)發動(dong)(dong)機(ji)(ji)(ji)(ji)有(you)雙渦(wo)輪(lun)增(zeng)(zeng)壓(ya)(ya)(ya)和混(hun)合(he)式雙增(zeng)(zeng)壓(ya)(ya)(ya),適(shi)合(he)六缸發動(dong)(dong)機(ji)(ji)(ji)(ji),奔馳S600、寶(bao)馬X5等(deng)采(cai)(cai)用了此類發動(dong)(dong)機(ji)(ji)(ji)(ji)。
此外,發(fa)動(dong)機還(huan)能按(an)進氣(qi)系統(tong)工作(zuo)方式(shi)(shi)、活(huo)塞運(yun)動(dong)方式(shi)(shi)、氣(qi)缸排列類型、氣(qi)缸數目、冷(leng)卻(que)方式(shi)(shi)、沖程數、供油方式(shi)(shi)等進行分類。不同(tong)類型的(de)(de)發(fa)動(dong)機各有其獨特(te)的(de)(de)性(xing)能特(te)點,在(zai)動(dong)力、油耗、穩定性(xing)等方面表現各異,滿足了不同(tong)消費者(zhe)和車型的(de)(de)需求(qiu)。