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Title:
CONTROL DEVICE OF AUTOMATIC TRANSMISSION
Document Type and Number:
Japanese Patent JP2014240686
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent a vehicle from going back at a return from an idling N in a control device of an automatic transmission having idling N control with a simple structure.SOLUTION: A control device of a vehicle automatic transmission switches a first speed stage and a reverse travel stage through direction switching of a 2-way clutch capable of switching a direction of permitting rotation. In the device, the automatic transmission includes idling neutral control of transferring no driving force from a driving source to an output shaft of the automatic transmission when a predetermined condition is met. When the idling neutral control is executed, a rotation of an input shaft is permitted, and an engagement combination is selected which contains at least the 2-way clutch that allows the output shaft of the automatic transmission to be secured to a casing if the output shaft of the automatic transmission is rotated by wheels of a vehicle in a rotation direction where the vehicle moves rearward.

Inventors:
KITSUTA YUYA
ISHIKAWA YUTAKA
Application Number:
JP2013123165A
Publication Date:
December 25, 2014
Filing Date:
June 11, 2013
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F16H61/20
Domestic Patent References:
JP2012097826A2012-05-24
JPH09264419A1997-10-07
JP2007271019A2007-10-18
JP2012237377A2012-12-06
Attorney, Agent or Firm:
Yasunari Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Hideji Kimura
Yukimitsu Nagagawa