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【转】自动变速箱工作原理

自��速箱的原理很���我自己也只了解皮毛,所以我把我知道的大概原理解�一下�大家稍�了解它的��原理,因�它的�作是靠油����,所以自排油必�灌�系��部才能�作,基本油量大�8~10公升,若自排油不�入�後�子也�不了;再�它是靠磨擦、滑差�油�再��,喜�重踩油��快�或�期市�停停走走的�子,自排油比�容易�焦氧化,�重�就�降低黏性使�力降低,所以就必�定期�油�更�自排油��。

上� 引擎�力�先��扭力��器(液�扭力��接合器)、再��到行星���(行星���能��不同的�位)、�力再�由��小���接到差速器(差速器��力一分�二)、最後接到���送到�胎

先�明液�扭力接合器的�送原理(因�耗油都是�部分再�失�力),先以��扇�解�,A�扇有插�是�力端,吹出的�能���插�的B�扇,不���的�程�有能量�失,所以B�扇送出�的�量�比�少也比�慢(A、B�扇�有相�接,完全靠空���,所以踩煞��引擎不�熄火,因�煞�只能�B�扇固定,A�扇的引擎�是能正常��,不��感�引擎抖�、�速箱油容易��、氧化)

�了降低能量�失接上一�空��送管,��量能重�循�避免能量�失

�速箱�的扭力接合器是由��半�型的的��相接合而成,一�主�一�被�就好像��扇的A、B�扇,主��扇����部的自排油�因����心力而甩出(�扇的空�由自排油取代)

主��被����合�被�心力甩出自排油�一直在�部循�;而右��部的主被����有�流�片,��就能�自排油沿著�定好的�流�片在�部循�,��入的�力�有流失太多能一直在�部循�重�利用(但�是有�力流失,所自排�比手排流失更多�力、�更耗油);下��另一��片�明


上面������解剖�,�照比先前�明的�要��些,中��多加一���


液�在扭力接合器�部循��要沿著8字型的路�流�,��才不��另一�循��撞而�失�力(如左上�右上��;所以中央再多加一����改�液�流向,�回收的�力能重�使用�少不必要的�力流失(如上同中的左下�右下);下��另一��片�明

上��行星��的�造,外�����、中��太���、被�在���中�的�行星��;利用�速箱�部的油�系��控制三���成�主�、被��固定,例如�某���固定不��,一�成主��另一��被��,���入的�速��出的�速�有不同��比(例如�入10�而�����速比後�出�成5�),�需要���油�系��3���的相�位置改�,就能改�相��速而�到��的效果。

因��位�化�作用原理非常��所以行星��只稍��明�法�述,抱歉!!

上��CTV�段�速箱的原理��,�市面免��的速克���很�似也很像可��的�踏�只是�踏��是有分�位,真正的�段�速是改�皮��的��,皮�是在皮���滑�;它的��是比���速箱�少�力�失,就能�到省油目的,因��有不必要的�力流失。

不�缺�是因�技���使�度不足�法承受高扭力,只能用在小CC�的��,例如 NISSA MARCH。不�目前已克服技���,�速箱已能承受到30kg的扭力(1.5的引擎扭力�12~15kg、2.0大� 20kg、30kg已是3.5引擎的�出了),所以目前有�多���CVT列�往後新�的重��目,跟HYBRID(油��合�)一�,因�目前新�都是要以降低的耗油率�主要目�,太耗油的�子�有人要了。

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