Title:
遊星歯車式多段変速機
Document Type and Number:
Japanese Patent JP5875599
Kind Code:
B2
Abstract:
A multi-step transmission having a housing accommodating eight shafts and four planetary gearsets (4, 5, 6, 7), and at least six shift elements comprising brakes and clutches which implement different transmission ratios between a drive shaft and output shaft. A carrier of gearset (4) is connected to shaft (14) which can be fixed, via brake (8), to the housing and further is connectable, via a first clutch, to shaft (15) which is coupled to a carrier of gearset (5) and is connectable, via a second clutch, to the drive shaft. A ring gear of gearset (6) is coupled to shaft (16) which can be fixed, via brake (9), to the housing. The drive shaft is additionally coupled to a sun gear of gearset (5). A ring gear of gearset (5) is connected to shaft (17). The gearset (5) is a plus planetary gearset.
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Inventors:
Gerhard Gunpolsberger
Jürgen Wachtsig
Christian Sibula
Stefan Beck
Michael Vex
Jürgen Wachtsig
Christian Sibula
Stefan Beck
Michael Vex
Application Number:
JP2013545140A
Publication Date:
March 02, 2016
Filing Date:
November 21, 2011
Export Citation:
Assignee:
ZF FRIEDRICHSHAFEN AG
International Classes:
F16H3/66; F16H3/58
Domestic Patent References:
| JP2006266389A | ||||
| JP2007024303A |
Foreign References:
| US20090017964 |
Attorney, Agent or Firm:
Kenji Sugimura
Yoshihiro Uemura
Kenichiro Kataoka
Yoshihiro Uemura
Kenichiro Kataoka