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Patent Searching and Data


Title:
CONTROL DEVICE FOR AUTOMATIC TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2018/212314
Kind Code:
A1
Abstract:
Provided is a control device for an automatic transmission. The control device can perform shifting control that, when frictional engagement elements are switched, can prevent reduction of drivability while also preventing excessive heat from being generated at the frictional engagement elements. A control device for a vehicle automatic transmission that shifts in association with the switching of a plurality of frictional engagement elements, the control device comprising: a requested acceleration determination unit that determines whether the vehicle acceleration requested by a driver at the start of shifting is at or below a prescribed threshold value; and an execution unit that, when the requested acceleration determination unit has determined that said vehicle acceleration is at or below the threshold value, executes protective shifting in which the output torque of the automatic transmission is reduced before the plurality of frictional elements are switched.

Inventors:
SHIMOZAWA, Tomoaki (8, Tsuchidana, Fujisawa-sh, Kanagawa 81, 〒2520881, JP)
TAKANO, Ryo (8, Tsuchidana, Fujisawa-sh, Kanagawa 81, 〒2520881, JP)
Application Number:
JP2018/019230
Publication Date:
November 22, 2018
Filing Date:
May 18, 2018
Export Citation:
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Assignee:
ISUZU MOTORS LIMITED (6-26-1, Minami-Oi Shinagawa-k, Tokyo 22, 〒1408722, JP)
International Classes:
F16H61/02; F16D48/02; F16H59/48; F16H61/684
Foreign References:
JP2004308841A2004-11-04
JP2009127793A2009-06-11
JP2012107706A2012-06-07
Attorney, Agent or Firm:
WASHIDA, Kimihito (8th Floor, Shinjuku First West Bldg. 1-23-7, Nishi-Shinjuku, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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