Title:
CONTROL DEVICE OF VEHICULAR AUTOMATIC TRANSMISSION
Document Type and Number:
Japanese Patent JP3498473
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a control device for automatic transmission which can prevent the eruption of an engine and shift shock at a clutch-to-clutch shifting.
SOLUTION: In the control device of a vehicular automatic transmission for controlling the oil pressure of a release side friction engaging device, at the clutch-to-clutch shifting time achieved by the release of a prescribed friction engaging device and the engagement of other friction engaging device, a shift judging means (step 3) for judging the excution of clutch-to-clutch shifting and a release pressure gradual reduction means (step 5, 6, 8, 10) for dropping gradually the torque capacity of the release side friction engaging device from the start point of the clutch-to-clutch shifting are provided.
Inventors:
Masato Kaigawa
Nobuaki Takahashi
Tetsuro Hamashima
Nobuaki Takahashi
Tetsuro Hamashima
Application Number:
JP9306696A
Publication Date:
February 16, 2004
Filing Date:
March 22, 1996
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16H61/06; F16H61/686; (IPC1-7): F16H61/06
Domestic Patent References:
| JP634023A | ||||
| JP6341527A | ||||
| JP727219A |
Attorney, Agent or Firm:
Takeo Watanabe
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