Title:
CONTROLLER OF VEHICLE AUTOMATIC TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2007/049682
Kind Code:
A1
Abstract:
A controller capable of ensuring an engine braking force or a drive torque even
if the speed-change ratio control of an automatic transmission or the speed-down
control thereof fails. A controller of a vehicle automatic transmission which
outputs a power produced by varying the input power with the speed change ratio
comprises failure detecting means for detecting a failure that one of predetermined
speed-change rations cannot be set and speed-decrease command means for outputting
a speed-change command to set a speed-change ratio higher than the predetermined
speed-change ratio according to the signal outputted when the failure detecting
means detects a failure.
Inventors:
TABATA ATSUSHI (JP)
IBARAKI RYUJI (JP)
MATSUBARA TOORU (JP)
IDESHIO YUKIHIKO (JP)
SHIBATA HIROYUKI (JP)
IBARAKI RYUJI (JP)
MATSUBARA TOORU (JP)
IDESHIO YUKIHIKO (JP)
SHIBATA HIROYUKI (JP)
Application Number:
PCT/JP2006/321345
Publication Date:
May 03, 2007
Filing Date:
October 26, 2006
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
TABATA ATSUSHI (JP)
IBARAKI RYUJI (JP)
MATSUBARA TOORU (JP)
IDESHIO YUKIHIKO (JP)
SHIBATA HIROYUKI (JP)
TABATA ATSUSHI (JP)
IBARAKI RYUJI (JP)
MATSUBARA TOORU (JP)
IDESHIO YUKIHIKO (JP)
SHIBATA HIROYUKI (JP)
International Classes:
B60K6/445; B60K6/547; B60W10/10; B60W20/00; F16H61/12; F16H61/68; F16H61/684; F16H59/44; F16H59/48; F16H61/66; F16H61/686; F16H61/688; F16H61/70
Foreign References:
JP2001059571A | 2001-03-06 | |||
JPH11280888A | 1999-10-15 | |||
JPH0415359A | 1992-01-20 | |||
JPH10252847A | 1998-09-22 | |||
JPH05157169A | 1993-06-22 | |||
JP2005256883A | 2005-09-22 | |||
JP2003127681A | 2003-05-08 | |||
JP2006097786A | 2006-04-13 | |||
JP2002147597A | 2002-05-22 | |||
JPH09317871A | 1997-12-12 |
Attorney, Agent or Firm:
WATANABE, Takeo (Adex Bldg. 12-1, Yushima 3-chom, Bunkyo-ku Tokyo 34, JP)
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