| 摘要 |
The present invention relates to a power train of a motor vehicle comprising a heat engine (10) having a shaft (12), a variable-speed transmission device (14) including a planetary gearset of the engine (24) having a planet gear (34) and a sun gear (46) each connected to the shaft (12) of the heat engine (10) by controlled-operation coupling (26, 28) and to a stationary portion (44) of the vehicle by a one-way automatic coupling (30, 32), and a gear carrier (54) connected to an axle (16) by a transmission path (96, 98). The power train includes a one-way automatic coupling (64) linking the gear carrier (54) to said transmission path. |
