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Title:
AUTOMATIC TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2014/157453
Kind Code:
A1
Abstract:
An automatic transmission (11) equipped with planetary gear mechanisms (PM1-PM4) which are provided with sun gears (S1-S4), carriers (CR1-CR4), and ring gears (R1-R4). In addition, the following are connected: the first sun gear (S1) and the third sun gear (S3); the second carrier (CR2), the third carrier (CR3), and the fourth ring gear (R4); and the second sun gear (S2) and the fourth carrier (CR4). The automatic transmission (11) is further equipped with clutches (C1-C4) capable of engaging: the first ring gear (R1) with the second ring gear (R2); the first ring gear (R1) with the third ring gear (R3); the second carrier (CR2) with the third ring gear (R3); and the first sun gear (S1) and the third sun gear (S3) with the fourth sun gear (S4). The automatic transmission (11) is also equipped with a first brake (B1) capable of locking the second ring gear (R2) to an automatic transmission case (17), and a second brake (B2) capable of locking the fourth sun gear (S4) to the automatic transmission case (17).

Inventors:
KATO TAKAYOSHI (JP)
AOKI TOSHIHIKO (JP)
KATO HIROSHI (JP)
SUGIURA NOBUTADA (JP)
MORIMOTO TAKASHI (JP)
IKE NOBUKAZU (JP)
KASUYA SATORU (JP)
MIYAZAKI TERUFUMI (JP)
MORISE MASARU (JP)
OITA SHINJI (JP)
Application Number:
PCT/JP2014/058743
Publication Date:
October 02, 2014
Filing Date:
March 27, 2014
Export Citation:
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Assignee:
AISIN AW CO (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
F16H3/66
Domestic Patent References:
WO2012084373A12012-06-28
Foreign References:
JP2009210087A2009-09-17
JP2002206601A2002-07-26
JP2004529297A2004-09-24
DE102010063490A12012-06-21
US20100144486A12010-06-10
Attorney, Agent or Firm:
CHIKASHIMA, Kazuo (JP)
近島 One husband (JP)
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