| 摘要 |
<p>An automatic manual transmission (7) for a car (1) provided with an internal combustion engine (5); the automatic manual transmission (7) has: a mechanical gearbox (10) provided with at least one primary shaft (11), at least one secondary shaft (13), a plurality of pairs (I, II, III, IV) of gears (16, 17) and a plurality of locking devices (18), actuated by first actuators (19); a variable ratio transmission device (21), which is arranged upstream of the primary shaft (14) and is adjustable to have two different transmission ratios: a first unitary direct drive transmission ratio and a second multiplying transmission ratio; and a second actuator (22), which is coupled to the transmission device (21) to vary the transmission ratio of the transmission device (21) itself.</p> |
