发明授权
- 专利标题： Apparatus and method for controlling valve timing of an engine
- 专利标题（中）： 用于控制发动机气门正时的装置和方法
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申请号： US09570464申请日： 2000-05-12
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公开(公告)号： US06505585B1公开(公告)日： 2003-01-14
- 发明人: Kenichi Machida , Satoru Watanabe , Osamu Fujita
- 申请人： Kenichi Machida , Satoru Watanabe , Osamu Fujita
- 优先权： JP11-158203 19990604; JP11-158204 19990604
- 主分类号： F01L134
- IPC分类号： F01L134
摘要：
In a vane type valve timing control apparatus, when an amplitude of a rotation phase of a cam shaft with respect to a crank shaft is above a predetermined value, a target value for the rotation phase is forcibly changed to a maximum advance angle and a maximum delay angle, so that oil of an advance angle side hydraulic chamber and a delay angle side hydraulic chamber is discharged together with air.
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