| 摘要 |
<p>PCT No. PCT/EP92/01968 Sec. 371 Date Feb. 17, 1994 Sec. 102(e) Date Feb. 17, 1994 PCT Filed Aug. 27, 1992 PCT Pub. No. WO93/05324 PCT Pub. Date Mar. 18, 1993.Synchronized forward speed ranges and an unsynchronized reverse range are automatically selected in a gear transmission. The reverse speed range is selected when with an open main clutch at first a synchronizing device for a forward speed range is actuated and once a permissible shifting speed is reached this shifting is started and the reverse speed range is selected. The main clutch remains open for the duration of the shifting operation.</p> |
