CVT變速箱真的會影響輸出嗎? - Toyota

By Jessica
at 2016-08-26T10:07
at 2016-08-26T10:07
Table of Contents
CVT在低轉速的離合方式蠻多種的
march的問題
是因為他的離合器是電子磁粉離合器
在台灣不太適用
因為台灣比較潮濕
像原PO說的容易結塊
現在的CVT都改用扭力轉換器
替代低轉速時的離合器
缺點是0~20km/hr的時速下
效率很差
不過穩定性很高
CVT最大優勢
其實是透過無段變速和電子偵測快速變檔
少了換檔時的動力損失
讓引擎一直處在最大輸出下
也就是最高效率的狀態
也就是讓引擎的轉數和扭力輸出值
一直處於最佳狀態
但CVT的高檔位的齒輪比
無法做到很低
導致高速下引擎轉速偏高
因此高速巡航時
效率反而較一般自排低
所以總歸來說
CVT比較適合用在
20~100km/hr的狀態下使用
如果遇到市區塞車
走走停停
或是純高速定速比較
油耗不會比較好
: --先說結論--
: 這讓我想到 大概10年前有吧 印象不是很深刻了
: 看到雜誌說march ncvt版本實在很不耐用
: 聽說只要重踩到底加速 或許是加速到100吧 然後再重煞到停
: 反覆三次還是幾次 CVT鋼帶就會斷裂
: 磁粉也容易結塊的樣子
: 總之就是個慘字
: 現在CVT連WRX都能上了 耐用性真的進步很快
: 油耗和舒適性更是一般消費者所重視的
: 所以Subaru的策略就是 想要舒服的開就給你CVT 想要真正的動力就給你MT
: 你看看 Toyota Super CVT-i 的結構豪簡單呢
: https://upload.wikimedia.org/wikipedia/commons/1/1b/Toyota_Super_CVT-i_01.JPG
: --說到效率--
--
march的問題
是因為他的離合器是電子磁粉離合器
在台灣不太適用
因為台灣比較潮濕
像原PO說的容易結塊
現在的CVT都改用扭力轉換器
替代低轉速時的離合器
缺點是0~20km/hr的時速下
效率很差
不過穩定性很高
CVT最大優勢
其實是透過無段變速和電子偵測快速變檔
少了換檔時的動力損失
讓引擎一直處在最大輸出下
也就是最高效率的狀態
也就是讓引擎的轉數和扭力輸出值
一直處於最佳狀態
但CVT的高檔位的齒輪比
無法做到很低
導致高速下引擎轉速偏高
因此高速巡航時
效率反而較一般自排低
所以總歸來說
CVT比較適合用在
20~100km/hr的狀態下使用
如果遇到市區塞車
走走停停
或是純高速定速比較
油耗不會比較好
: --先說結論--
: 這讓我想到 大概10年前有吧 印象不是很深刻了
: 看到雜誌說march ncvt版本實在很不耐用
: 聽說只要重踩到底加速 或許是加速到100吧 然後再重煞到停
: 反覆三次還是幾次 CVT鋼帶就會斷裂
: 磁粉也容易結塊的樣子
: 總之就是個慘字
: 現在CVT連WRX都能上了 耐用性真的進步很快
: 油耗和舒適性更是一般消費者所重視的
: 所以Subaru的策略就是 想要舒服的開就給你CVT 想要真正的動力就給你MT
: 你看看 Toyota Super CVT-i 的結構豪簡單呢
: https://upload.wikimedia.org/wikipedia/commons/1/1b/Toyota_Super_CVT-i_01.JPG
--
Tags:
Toyota
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