Title:
【発明の名称】多段変速機
Document Type and Number:
Japanese Patent JP2003514195
Kind Code:
A
Abstract:
The invention concerns a multi-step transmission with at least 7 forward gears, with which transmission on the input drive shaft (1), two non-shiftable input-side gear sets (RS1, RS2) are provided, which, on their output-side produce two speeds of rotation (n1, n2), which, besides the speed of rotation of the input drive shaft (1), by selective closure of the shift elements (A, B, C, D, E) are shiftable in such a manner to one of the output-side planetary gear sets (RS3, RS4) which upon the output drive shafts (2), that for the shifting from one into the respective next following higher or lower gear of the two activated shift elements, respectively, only one shifting element must be open and a further element closed.
Inventors:
Peter, Ziemer
Application Number:
JP2001529604A
Publication Date:
April 15, 2003
Filing Date:
October 11, 2000
Export Citation:
Assignee:
ZF FRIEDRICHSHAFEN AG
International Classes:
F16H3/62; F16H3/66; (IPC1-7): F16H3/66; F16H3/62
Domestic Patent References:
| JPS62209251A | 1987-09-14 | |||
| JPH04219553A | 1992-08-10 | |||
| JPH06200998A | 1994-07-19 | |||
| JPH0374666A | 1991-03-29 | |||
| JPH04290650A | 1992-10-15 | |||
| JPH0429650A | 1992-01-31 |
Foreign References:
| US4976670A | 1990-12-11 | |||
| US5520588A | 1996-05-28 |
Attorney, Agent or Firm:
Kenji Yoshitake (5 others)