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Title:
AUTOMATIC TRANSMISSION
Document Type and Number:
Japanese Patent JP2006349123
Kind Code:
A
Abstract:

To perform skipping shift mainly by re-engagement of clutches, and to reduce occurrence of resistance by the clutch in an automatic transmission achieving six forward speeds.

This automatic transmission is provided with an input shaft 11, a first output shaft 12, a second output shaft 14, a sub-shaft 13, a power transmission gear train 20 for transmitting power to the respective shafts, a second speed gear train 22 and a sixth speed gear train 26 arranged across the input shaft 11 and the first output shaft 12, a first clutch 51 connecting the input shaft 11 with the second speed gear train 22 and the sixth speed gear train 26 at the time of fastening, a second/retreating-sixth speed synchronizing device 62 for connecting the second speed gear train 22 or the sixth speed gear train 26 with the first output shaft 12, a first speed gear train 21 and a fifth speed acceleration gear train 25 arranged across the sub-shaft 13 and the second output shaft 14, a third clutch 53 connecting the sub-shaft 13 with the first speed gear train 21 and the fifth speed gear train 25 at the time of fastening, and a first-fifth speed synchronizing device 63 for connecting the first speed gear train 21 or the fifth speed gear train 25 with the second output shaft 14.


Inventors:
TERAOKA TAKAMICHI
DOI JUNICHI
SAKA TOKIARI
KAMATA SHINYA
SAKAGAMI NAOHIRO
EZAKI SEIJI
UEDA KAZUHIKO
MIZOBE TATSUTOSHI
IWASHITA NORIO
KOMORI MASARU
FUJITA YOSHIHIKO
Application Number:
JP2005178943A
Publication Date:
December 28, 2006
Filing Date:
June 20, 2005
Export Citation:
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Assignee:
MAZDA MOTOR
International Classes:
F16H3/093; F16H3/085
Domestic Patent References:
JP2000220700A2000-08-08
JP2001289288A2001-10-19
JP2005054959A2005-03-03
JP2001227598A2001-08-24
Attorney, Agent or Firm:
Fukuoka Masaaki