摘要 |
An automatic transmission including three single pinion planetary gearsets and six friction elements, in which an input shaft is always connected to a first sun gear of a first planetary gearset, the output shaft is always connected to a second ring gear of a second planetary gearset, a third sun gear of a third planetary gearset is always kept in a fixed state relative to a transmission case of the automatic transmission, a first ring gear of the first planetary gearset and a third pinion carrier of the third planetary gearset are always connected to each other and constitute a first rotary member, and at least eight forward speeds and one reverse speed are respectively established by simultaneous engagements of three friction elements selected from the six friction elements.
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申请人 |
JATCO LTD |
发明人 |
AOTA, KAZUAKI;INUTA, YUKIYOSHI;YAMAMOTO, AKIHIRO;KOBAYASHI, NAOKI;OKUDA, TAKAYUKI;TENBERGE, PETER;MUELLER, JOERG;RESCH, RICO |