发明申请
- 专利标题： Hydraulic control system with variably regulated line pressure
- 专利标题（中）： 液压控制系统具有可变的线路压力
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申请号： US11363250申请日： 2006-02-27
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公开(公告)号： US20070202979A1公开(公告)日： 2007-08-30
- 发明人: Valentin Botosan , Berthold Martin
- 申请人： Valentin Botosan , Berthold Martin
- 主分类号： F16H31/00
- IPC分类号： F16H31/00 ; F16H61/26
摘要：
A hydraulic control system for an automatic transmission includes a planetary gear system having a plurality of clutch elements that alters the torque ratio of the transmission. The hydraulic control system includes a line pressure control device for regulating a variable hydraulic line pressure from a maximum line pressure to a fixed fluid line pressure that is lower than the maximum line pressure when an overdrive clutch is applied in a high gear.
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