| 摘要 |
PROBLEM TO BE SOLVED: To improve durability of a planetary gear, shorten operation flow passage by positioning all the clutches in the front, and improve gear shift response property using a one-way clutch. SOLUTION: In this power train of automatic transmission for a rear wheel driving vehicle constituted by combining a first, a second, and a third planetary gear sets which are single pinion planetary gear sets, a first ring gear and a second planetary carrier are fixedly connected and combined, a second ring gear and a third planetary carrier are fixedly connected and combined, and a third ring gear and a first planetary carrier are fixedly connected and combined. A second sun gear is fixed on and connected with an input shaft, and a third sun gear is selectively connected with and fixed on the input shaft and a transmission case. The second planetary carrier is selectively connected with the input shaft through a second clutch on the other side, and the third planetary carrier is selectively fixed on the transmission case. The first planetary carrier is connected with an output gear on the other side, and a first sun gear is selectively fixed on the transmission case through first brake. COPYRIGHT: (C)2005,JPO&NCIPI
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