| 摘要 |
<p>A vehicle drive system comprises an engine (10), transmission means interposed between the engine (10) and the drive wheels of a vehicle, the transmission means comprising an input shaft (18), an output shaft (31) and a plurality of selectable ratio gear couplings between the input shaft and the output shaft, a clutch (16) interposed between the engine and the input shaft (18), the clutch being operable selectively to engage and disengage the engine from the input shaft, a clutch actuator (17), first and second synchromesh mechanisms (30, 40), first and second mechanical linkage elements, and control means (50) operative to position the synchromesh mechanisms such that the shifts between the selectable ratio gear couplings are carried out in a minimum amount of time.</p> |
