Multi-ratio planetary gearbox, especially automatic gearbox for vehicles, has shafts joined to planet set bridges, some joined to housing via brakes, some reversibly connected together via couplings

摘要

The gearbox has drive and driven shafts, 3 planet sets, at least 6 rotatable shafts and at least 6 shift elements. Driving takes place via a shaft reversibly joined to some shafts via couplings. Output takes place via a shaft continuously joined to the hollow wheel of the second planet set and an element of the third set. Some shafts are joined to planet set bridges, others to the housing via brakes and others are reversibly coupled together. The gearbox has drive (1) and driven (2) shafts, three planet sets (P1-P3), at least 6 rotatable shafts (1-6) and at least 6 shift elements (00-16). Driving takes place via a shaft reversibly joined to some shafts via couplings (13,15,16) and the output takes place via a shaft continuously joined to the hollow wheel of the second planet set and an element of the third set. Some shafts are joined to bridges of planet sets, some are joined to the housing (G) via brakes and some are reversibly connected together via couplings.