发明名称 |
Speed change control system for automatic transmission |
摘要 |
To provide a speed change control system capable of carrying out an entire speed change operation of a transmission in which speed change operation of a first and a second speed change units are carried out simultaneously in directions opposite to each other, without deteriorating shocks even in case a speed change operation of one of the speed change units is restricted. For this purpose, there is provided a speed change control system for an automatic transmission, which has a first and a second speed change units, and in which a speed change ratio of the second speed change unit is changed in a direction opposite to a changing direction of a speed change ratio of the first speed change unit when changing the speed change ratio of the first speed change unit, comprising: a speed changing rate setting means for setting a speed changing rate of the second speed change unit in accordance with a progression of a speed change operation of the first speed change unit.
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申请公布号 |
US8012060(B2) |
申请公布日期 |
2011.09.06 |
申请号 |
US20060090382 |
申请日期 |
2006.10.26 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
SHIBATA HIROYUKI;MATSUBARA TOORU;TABATA ATSUSHI |
分类号 |
B60K6/445;B60K6/543;B60K6/547;B60L7/14;B60W10/10;B60W20/00;F16H59/38;F16H59/68;F16H59/74;F16H61/02;F16H61/04;F16H61/66;F16H61/68;F16H61/684;F16H61/686;F16H63/50 |
主分类号 |
B60K6/445 |
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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