Title:
MULTISTAGE TRANSMISSION
Document Type and Number:
Japanese Patent JP2015064099
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a multistage transmission which can improve both power transmission efficiency and drivability, and can suppress the enlargement of the transmission.SOLUTION: An automatic transmission 20 includes: single pinion type first and second planetary gears 21, 22; a Simpson-type composite planetary gear row 25 including single pinion type third and fourth planetary gears 23, 24; first to fourth clutches C1 to C4; and first and second brakes B1, B2. A first carrier 21c of the first planetary gear 21 is connected to an input shaft 20i, and a first ring gear 21r of the first planetary gear 21 is selectively connected to an output shaft 20o by the first clutch C.
More Like This:
| WO/2006/015836 | MULTI-STEP AUTOMATIC GEARBOX |
Inventors:
KATO TAKAYOSHI
MORIMOTO TAKASHI
AOKI TOSHIHIKO
KATO HIROSHI
KASUYA SATORU
TODO MINORU
INAGAKI TOMOCHIKA
MORISE MASARU
OITA SHINJI
MIYAZAKI TERUBUMI
HASEGAWA YOSHIO
MORIMOTO TAKASHI
AOKI TOSHIHIKO
KATO HIROSHI
KASUYA SATORU
TODO MINORU
INAGAKI TOMOCHIKA
MORISE MASARU
OITA SHINJI
MIYAZAKI TERUBUMI
HASEGAWA YOSHIO
Application Number:
JP2013248580A
Publication Date:
April 09, 2015
Filing Date:
November 29, 2013
Export Citation:
Assignee:
AISIN AW CO
TOYOTA MOTOR CORP
TOYOTA MOTOR CORP
International Classes:
F16H3/66
Domestic Patent References:
| JP2012507667A | 2012-03-29 | |||
| JP2009051264A | 2009-03-12 | |||
| JP2004232718A | 2004-08-19 |
Foreign References:
| US20090054196A1 | 2009-02-26 |
Attorney, Agent or Firm:
Aitec International Patent Office