Title:
POWERTRAIN FOR AUTOMATIC TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2014/142369
Kind Code:
A1
Abstract:
The present invention relates to a powertrain for automatic transmission. The powertrain for automatic transmission consisting of an input shaft (10), an output shaft (20) and first to third planetary gear sets (PG1, PG2 and PG3) comprises: first to seventh actuating elements (N1, N2, N3, N4, N5, N6 and N7) constituting the first to third planetary gear sets (PG1, PG2 and PG3); and fastening elements including first to fourth clutches (C-1, C-2, C-3 and C-4) and first and second brakes (B1 and B2), wherein at least two of the fastening elements are operated so that the first to seventh actuating elements (N1, N2, N3, N4, N5, N6 and N7) are driven or restrained, thereby implementing eight speed forward and two speed reverse.
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Inventors:
KIM CHEOL JIN (KR)
Application Number:
PCT/KR2013/002037
Publication Date:
September 18, 2014
Filing Date:
March 14, 2013
Export Citation:
Assignee:
HYUNDAI POWERTECH CO LTD (KR)
International Classes:
F16H3/44; F16H3/66
Foreign References:
| KR100949635B1 | 2010-03-26 | |||
| JP2009162339A | 2009-07-23 | |||
| US7604563B2 | 2009-10-20 | |||
| KR101072319B1 | 2011-10-11 | |||
| US7137923B2 | 2006-11-21 |
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
특허법인 정안 (KR)
특허법인 정안 (KR)
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