| 摘要 |
<p>PURPOSE:To simply and easily perform the switching control of coupling devices at the time of a speed change by using two single pinion type planetary gear devices and a double pinion type planetary gear device and providing six coupling devices. CONSTITUTION:Two single pinion type planetary gear devices 16 and 20 and a double pinion type planetary gear device 18 are provided. Sun gears 16s and 18s, a carrier 16c and ring gears 18r and 20r and an output gear 22, and carriers 18c and 20c are integrally connected respectively. Six coupling devices of clutch means K1-K3 and brake means B1-B3 are connected. No input switching is necessarily required in switching adjacent speed change gear stages, a speed change can be performed by only switching the operation conditions of two coupling devices, thus the speed change control can be performed very simply and easily.</p> |
