发明名称 Apparatus and method for shifting into a lower gear of a manual transmission
摘要 A method and apparatus for controllably shifting into a lower gear of a manual transmission is disclosed. A maximum downshift limit value is established and stored in a memory. The downshift speed variable of the manual transmission is set equal to the maximum downshift limit value in response to a valid control condition being determined. The manual transmission is controllably shifted into a lower gear when the engine speed is less than or equal to the downshift speed variable.
申请公布号 US5984830(A) 申请公布日期 1999.11.16
申请号 US19980199939 申请日期 1998.11.25
申请人 CATERPILLAR INC. 发明人 LEHNER, STEVEN E.;RETTIG, MARK E.
分类号 B60W10/06;B60W30/18;F16H59/02;F16H59/44;(IPC1-7):B60K41/04 主分类号 B60W10/06
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