Title:
AUTOMATIC TRANSMISSION AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2014/050727
Kind Code:
A1
Abstract:
An automatic transmission having a friction element which is positioned in a power-transmission path and engages and locks a locking mechanism when ON-pressure is supplied to an engagement-side oil chamber, maintains the engagement even when the oil pressure in the engagement-side oil chamber is reduced when the locking mechanism is locked, and unlocks the locking mechanism and releases when OFF-pressure is supplied to the release-side oil chamber when the locking mechanism is locked, the automatic transmission being further equipped with an OFF-pressure control unit for supplying OFF-pressure to the release-side oil chamber when ON-pressure is supplied to the engagement-side oil chamber and the friction element is engaged.
Inventors:
NAKANO YUSUKE (JP)
KOBAYASHI KATSUYA (JP)
MATSUMOTO KOUZI (JP)
IKEDA TOMOMASA (JP)
KOBAYASHI KATSUYA (JP)
MATSUMOTO KOUZI (JP)
IKEDA TOMOMASA (JP)
Application Number:
PCT/JP2013/075439
Publication Date:
April 03, 2014
Filing Date:
September 20, 2013
Export Citation:
Assignee:
JATCO LTD (JP)
NISSAN MOTOR (JP)
NISSAN MOTOR (JP)
International Classes:
F16D25/12; F16D48/02
Foreign References:
| US20100179026A1 | 2010-07-15 | |||
| JP2007247709A | 2007-09-27 |
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
Masaki Goto (JP)
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