cvt变速箱与at变速箱的区别是什么?

2024-12-19 22:44:32
推荐回答(5个)
回答1:

1、定义不同

AT(自动变速器)主要是利用液力变扭器配合传统机械齿轮箱实现换挡功能。

CVT(无极变速器)采用传动带和工作直径可变的主、从动轮相配合传递动力。

2、稳定性不同

AT变速箱是目前所有自动变速箱里技术最成熟的变速箱,其可靠性、稳定性(省心耐操)远超市面上其他的自动变速箱。

3、驾驶感受不同

CVT无级变速箱给人的驾驶感受是平顺;而AT变速箱给人的驾驶感受,就是更有操作感,驾驶乐趣比较好。

AT变速箱缺点

首先就是油耗的问题,相对来说AT变速箱比较费油,这是因为AT变速箱通过油介质实现动力传递的方式效率很低,部分动能被白白浪费掉。

另外比较尴尬的一点就是当汽车蓄电池缺点,AT变速箱的车子无法通过推车的行驶而启动,还要注意的是,拖AT变速箱的汽车,要注意使驱动轮脱离地面,以保护自动波齿轮不受损害。

回答2:

AT变速箱是有真实的的档位的,它的换挡动作是几个点,CVT变速箱没有真实的档位,可以随时随地变距,区分他们最好的方法就是,均匀给油起步加速,观察转速表的指针AT变速箱是有明显的升档动作,通俗讲就是转速升高后降下来再生高,而CVT变速箱是一直缓慢的提升转速或维持在一个转速。
两种变速箱的优缺点AT变速箱能够提供驾驶员良好的驾驶感觉,CVT可以让车子变得更平顺,省油。

回答3:

你好:您的问题是关于车辆自动变速箱的,下面我就和您聊聊,cvt和有级at都属于自动变速箱的范畴,但是他们的结构和原理完全不同,有级的at变速箱技术比较成熟,传动比是分级改变的,换句话说驾驶感觉和手挡车差不多只是不用人为操作换档杆,但是同样会有换档的冲击感,不过目前技术发展的很成熟,这种换档的感觉在技术手段的控制下越来越轻微。而cvt是无极变速箱,他的传动比改变是线性的,驾驶的时候不会有换档的冲击感,驾乘更平稳更舒适,而且还可以有效地节省燃油。但是目前cvt多用在小排量的汽车上。而且维修和制造成本还有技术的成熟方面都不如无极变速箱油优势。不过从稳定性上来说,不管是有级还是无级的变速箱只要正常操作都是没有问题的。从保养方面看,变速箱的保养可操作的就是换油,目前有很多车型也推出了基本不用换油的变速箱,一般来说不用换油的还都是自动变速箱,可是就实际而言,变速箱的使用环境较恶略,比如经常跑高速、经常频繁换档、经常低车速行驶、堵车等等都对变速箱油有一定的影响,油质发生改变那么在自动变速箱的工作上也会有问题,因此对这些不用经常换油的变速箱进行油质和油位的检查也是很有必要的。您所说的手挡车变速箱油其实更应该每4万公里就更换一下,这样对变速箱的寿命和您的驾驶都是有好处的!
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回答4:

今天来聊一聊AT变速箱、CVT变速箱、DCT双离合变速箱的优缺点。

回答5:

汽车MT、AT、AMT、CVT和双离合变速箱区别在哪?这里告诉你答案

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