| 摘要 |
A method of using a transmission 10 to provide a hill hold gear ratio. The transmission 10 comprises a plurality of planetary gear sets 15, 16, 17, 18, a casing 20, and one or more clutches CB1278R, CB12345R, C13567, C23468, C45678R for providing forward and reverse gear ratios of the transmission 10. The method comprises a step of engaging the clutches CB1278R, CB12345R, C13567, C23468, C45678R to lock an output shaft 13. The output shaft 13 is connected to one of the planetary gear sets 15, 16, 17, 18. |
