Title:
自動変速機の制御装置
Document Type and Number:
Japanese Patent JP4920064
Kind Code:
B2
Abstract:
A control device for an automatic transmission having a torque converter includes: a determining means for determining whether to set a friction element in an engaged condition or a disengaged condition on the basis of an operating condition of a vehicle; a control means for outputting an engagement command or a disengagement command on the basis of a determination result of the determining means; and an oil pressure control means for performing control to engage the friction element upon reception of the engagement command by performing a precharge control for the friction element and then controlling the supplied oil pressure to a predetermined oil pressure and to disengage the friction element upon reception of the disengagement command by draining the oil pressure supplied to the friction element, wherein the control means comprises a prohibiting means for prohibiting output of the disengagement command in relation to the friction element following control of the friction element from the disengaged condition to the engaged condition until a predetermined condition is established.
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Inventors:
Naohiro Yamada
Application Number:
JP2009202331A
Publication Date:
April 18, 2012
Filing Date:
September 02, 2009
Export Citation:
Assignee:
JATCO Co., Ltd.
International Classes:
F16H61/14
Domestic Patent References:
JP2003269603A | ||||
JP2009092186A | ||||
JP2005133782A | ||||
JP8247276A | ||||
JP8159268A |
Attorney, Agent or Firm:
Masaki Goto
Masahiro Fujii
Masaaki Iida
Masahiro Fujii
Masaaki Iida