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1. (WO2013117363) MULTI-RATIO TRANSMISSION

Pub. No.:    WO/2013/117363    International Application No.:    PCT/EP2013/050337
Publication Date: Fri Aug 16 01:59:59 CEST 2013 International Filing Date: Fri Jan 11 00:59:59 CET 2013
IPC: F16H 3/66
F16H 3/72
F16H 37/04
B60K 6/365
B60K 6/48
Applicants: ZF FRIEDRICHSHAFEN AG
Inventors: BECK, Stefan
WEHLEN, Timo
Title: MULTI-RATIO TRANSMISSION
Abstract:
The invention relates to a multi-ratio transmission provided with eight forward gears and one reverse gear, comprising an input shaft (1), an output shaft (2), three planetary gear sets (P1, P2, P3), a first and a second spur gear stage (S1, S2) which are connected to a countershaft which is arranged parallel to the longitudinal axis of the planetary gear sets (P1, P2, P3) and which forms the output shaft (2) of the transmission, and at least five shift elements (03, 15, 24, 45, 46, 56, 58) and eight rotatable shafts (1, 2, 3, 4, 5, 6, 7, 8), wherein the input shaft (1) is connected to the planet carrier of the first planetary gear set (P1) and can be detachably connected by means of a first clutch (15) to the fifth shaft (5) which is connected to the ring gear of the second planetary gear set (P2) and which can be detachably connected by means of a third clutch (58) to the eighth shaft (8) which is connected to the sun gear of the third planetary gear set (P3).