Title:
AUTOMATIC TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2018/043092
Kind Code:
A1
Abstract:
This automatic transmission is provided with: a hydraulic control device; a plurality of friction engagement elements; a plurality of hydraulic servos (20); a rotating shaft (7B) capable of transmitting power; a hole (40) which is formed within the rotating shaft (7B) so as to extend axially from the rear end of the rotating shaft (7B) and into which lubricating oil is supplied at the rear end from the hydraulic control device; a first through-hole (41) extending between the hole (40) and the outside radially of the rotating shaft (7B) and supplying lubricating oil to a first cancellation oil chamber (27) of a hydraulic servo (20); and a stepped section (43) formed in the hole (40) on the opposite side of the first through-hole (41) from the rear end and having a smaller diameter than the rear end.
Inventors:
TERADA KEISUKE (JP)
KATSUYA MASARU (JP)
FUKUI TAKAO (JP)
KATSUYA MASARU (JP)
FUKUI TAKAO (JP)
Application Number:
PCT/JP2017/029109
Publication Date:
March 08, 2018
Filing Date:
August 10, 2017
Export Citation:
Assignee:
AISIN AW CO (JP)
International Classes:
F16D25/12; F16D25/0638
Domestic Patent References:
WO2014077408A1 | 2014-05-22 |
Foreign References:
JPH02296072A | 1990-12-06 | |||
JP2016084862A | 2016-05-19 |
Attorney, Agent or Firm:
CHIKASHIMA,Kazuo (JP)
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