发明申请
US20060100802A1 Method for evaluating diagnosis function of a variable valve mechanism and apparatus for diagnosing a variable valve mechanism
审中-公开
用于评估可变气门机构的诊断功能的方法和用于诊断可变气门机构的装置
- 专利标题： Method for evaluating diagnosis function of a variable valve mechanism and apparatus for diagnosing a variable valve mechanism
- 专利标题（中）： 用于评估可变气门机构的诊断功能的方法和用于诊断可变气门机构的装置
-
申请号： US11267147申请日： 2005-11-07
-
公开(公告)号： US20060100802A1公开(公告)日： 2006-05-11
- 发明人: Ryo Miyakoshi , Kenichi Machida
- 申请人： Ryo Miyakoshi , Kenichi Machida
- 专利权人： HITACHI, LTD.
- 当前专利权人： HITACHI, LTD.
- 优先权： JP2004-325034 20041109
- 主分类号： G06F11/30
- IPC分类号： G06F11/30
摘要：
Gains of a feedback control of a variable valve mechanism are varied so that a response delay occurs. As a result that a transient response is diagnosed under this state, in the case where the occurrence of response delay is not judged, it is judged that a response diagnosis function is abnormal.
信息查询
