KRAFTFAHRZEUGGETRIEBE.

摘要

PCT No. PCT/SE91/00740 Sec. 371 Date Jul. 2, 1993 Sec. 102(e) Date Jul. 2, 1993 PCT Filed Nov. 1, 1991 PCT Pub. No. WO92/08067 PCT Pub. Date May 14, 1992.Power shift motor vehicle gearbox with an input shaft (1), two counter-shafts (2, 3) and a central synchronizer (30). The input shaft has a gear wheel (5) in engagement with a gear wheel (6) freely rotatably mounted on one counter-shaft (2) and lockable by a friction clutch (7) to the shaft. The gear wheels form a pair for driving the counter-shaft. The input shaft also has a freely rotatably mounted gear wheel (8) which can be locked by a friction clutch (10) to the shaft. The gear wheel (8) engages a gear wheel (9) on the other counter-shaft (3) for driving the same when the clutch is engaged.