常州工學(xué)院課程論文-全文預(yù)覽
【正文】 、排放性和舒適性。關(guān)鍵詞：無級變速器、構(gòu)成、經(jīng)濟(jì)性、舒適性ABSTRACT：Now, the main technologies of transmissions are MT,AT,CVT and people the elevation of economic level, people in automobile fort requirements also along with it MT and AT have several fixed ratios. But the advantage of CVT is that the ratios are continuous at some extend. CVT is a gearing which is consisted of speed control mechanism and speed regulation institutions and pressure device or export agencies .CVT can achieve the transmission ratio of the continuous change ,which form optimum matching between transmission agent and engine behaviour, so economical efficiency and dynamic property of the car fuel oil will be improved,at the same time, it can improve convenience of control and riding fort .Obviously, the technology is indispensable in the society.KEYWORDS:CVT, constitute, economy, fort.5引言: 目前，在汽車上廣泛使用的自動變速技術(shù)是由液力變矩器和行星齒輪系組合而成的自動變速器技術(shù)，在大部分汽車制造商生產(chǎn)的城市用車中，該技術(shù)的平均裝車率已經(jīng)達(dá)到70%。手動變速器和自動變速器均有幾個固定的傳動比，而無級變速器的優(yōu)勢在于：在一定范圍內(nèi)，其傳動比是連續(xù)的。隨著人們經(jīng)濟(jì)水平的提高，人們對汽車舒適性的要求也隨之提高。而在今天這個油價迅猛增長的社會，這一技術(shù)無疑是
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