发明名称 |
Method for downshifting of automatic transmission with discrimination of magnitude of need therefor |
摘要 |
In a method for downshifting of an automatic transmission of a vehicle according to an increase of throttle opening, a delay time between a judgement of a requirement of downshifting of the transmission and the execution of the downshifting is determined to base upon change rate of the throttle opening, and when the delay time was counted up, a requirement of downshifting of the transmission is again judged before the execution of any downshifting.
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申请公布号 |
US5319998(A) |
申请公布日期 |
1994.06.14 |
申请号 |
US19910792920 |
申请日期 |
1991.11.15 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
IWATSUKI, KUNIHIRO;OOTSUBO, HIDEAKI;KIMURA, HIROMICHI |
分类号 |
F16H61/00;F16H59/14;F16H59/24;F16H61/02;F16H61/08;F16H61/10;F16H61/70;(IPC1-7):B60K41/16 |
主分类号 |
F16H61/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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