发明授权
- 专利标题： Control apparatus of EGR control valve
- 专利标题（中）： EGR控制阀的控制装置
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申请号： US11873601申请日： 2007-10-17
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公开(公告)号： US07866306B2公开(公告)日： 2011-01-11
- 发明人: Eiichiro Ohata , Shiro Yamaoka , Yoshihiro Sukegawa , Hiroaki Hoshika , Kaori Kashio
- 申请人： Eiichiro Ohata , Shiro Yamaoka , Yoshihiro Sukegawa , Hiroaki Hoshika , Kaori Kashio
- 申请人地址： JP Tokyo
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Crowell & Moring LLP
- 优先权： JP2006-283240 20061018
- 主分类号： F02B33/00
- IPC分类号： F02B33/00 ; F02B33/44 ; F02B47/08 ; F02M25/07
摘要：
A control apparatus of an EGR control valve has an EGR control valve has an exhaust gas recirculation passage to circulate exhaust gas of an combustion engine from an exhaust gas passage to an intake air passage. A measurement unit measures a flow rate of EGR gas flowing in the exhaust gas recirculation passage, and a controller receives an input from the measurement unit and closes the EGR control valve if the EGR-gas flow rate is smaller than a predetermined threshold value when the EGR gas is flowing from the exhaust side to the intake side of the internal combustion engine.
公开/授权文献
- US20090223495A1 Control Apparatus of EGR Control Valve 公开/授权日：2009-09-10
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