基本信息:
- 专利标题:
- 申请号:DE69726370 申请日:1997-09-18
- 公开(公告)号:DE69726370D1 公开(公告)日:2004-01-08
- 发明人: MIYAMOTO OSAHIDE , OHASHI TATSUYUKI , ISHIBASHI HIROMITSU , SAITO YOSHIHARU , TOKITA KANAME
- 申请人: HONDA MOTOR CO LTD
- 专利权人: HONDA MOTOR CO LTD
- 当前专利权人: HONDA MOTOR CO LTD
- 优先权: JP25362696 1996-09-25
- 主分类号: F16H59/36
- IPC分类号: F16H59/36 ; F16H59/46 ; F16H61/00 ; F16H61/02 ; F16H61/06
摘要:
Even if a rotational speed of an engine has already increased due to slipping of a fluid torque converter at the time of start of downshifting, a smooth downshifting is performed. For that purpose, there is obtained a speed change developing degree function K(etrm) of the rotational speed of the engine at the time of start of downshifting, the developing degree being dependent on an increase in the rotational speed of the engine due to slipping in the fluid torque converter. The function K(etrm) is obtained with a speed ratio "etrm" of the fluid torque converter at the time of starting of downshifting as a parameter. A boosting correction value QDNOFFZ is computed by multiplying a reference correction value QDNOFFZO by K(etrm) (step S108-5). The hydraulic pressure of the hydraulic engaging element on the disengaging side during downshifting is boosted by the amount of QDNOFFZ (step S108-6).
公开/授权文献:
- DE69726370T2 公开/授权日:2004-09-09
信息查询:
EspacenetIPC结构图谱:
F | 机械工程;照明;加热;武器;爆破 |
--F16 | 工程元件或部件;为产生和保持机器或设备的有效运行的一般措施;一般绝热 |
----F16H | 使用挠性元件的传动装置 |
------F16H59/00 | 对传送旋转运动的变换或换向传动装置的输入的控制 |
--------F16H59/36 | .输入是速度的函数 |