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Title:
AUTOMATIC TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2015/045257
Kind Code:
A1
Abstract:
An automatic transmission (10) is provided with: an input shaft (12); an output unit (output shaft (13)) that is arranged coaxially with the input shaft and that is connected to a differential mechanism; double pinion-type first and second planetary gear sets (PG1, PG2); single pinion-type third and fourth planetary gear sets (PG3, PG4); first to third clutches (CLI-CL3) that cause disengagement between predetermined rotation elements of the first to fourth planetary gear sets; and first and second brakes (BR1, BR2) that disengage each of a second carrier (C2), a first carrier (C1), and a transmission case (11). The gear position of the automatic transmission when the reduction ratio is one is set as a sixth speed.

Inventors:
OGAUCHI YASUHIRO (JP)
NAKAGISHI MASARU (JP)
KAMADA SHINYA (JP)
IWASAKI TATSUHIKO (JP)
Application Number:
PCT/JP2014/004128
Publication Date:
April 02, 2015
Filing Date:
August 07, 2014
Export Citation:
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Assignee:
MAZDA MOTOR (JP)
International Classes:
F16H3/66
Foreign References:
JP2005127497A2005-05-19
JP2004529297A2004-09-24
US20080261751A12008-10-23
DE102008000207A12009-08-06
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
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