| 摘要 |
<p>An automatic transmission 100 is provided with a number of gear trains between a primary shaft SP and a counter shaft SC. A first hydraulic clutch CL1 and a second hydraulic clutch CL2 interrupt and connect the transmission of rotation between a crankshaft SI and the transmission. A changeover valve 154 is provided to connect the pressure of a working fluid to the first or second clutches CL1, CL2. A pair of orifice control valves 158 and 159 are disposed between the changeover valve 154 and the first clutch CL1 and between the changeover valve 154 and the second clutch CL2, respectively. A pair of accumulators 156, 157 are disposed between the changeover valve 154 and the first clutch CL1 and between the changeover valve 154 and the second clutch CL2, respectively.</p> |
