Invention Grant
- Patent Title: Variable valve timing apparatus and control method therefor
- Patent Title (中): 可变气门正时装置及其控制方法
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Application No.: US12280068Application Date: 2007-01-31
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Publication No.: US08181612B2Publication Date: 2012-05-22
- Inventor: Zenichiro Mashiki , Yasumichi Inoue , Noboru Takagi , Yoshihito Moriya , Haruyuki Urushihata
- Applicant: Zenichiro Mashiki , Yasumichi Inoue , Noboru Takagi , Yoshihito Moriya , Haruyuki Urushihata
- Applicant Address: JP Aichi-ken JP Aichi-ken
- Assignee: Toyota Jidosha Kabushiki Kaisha,Denso Corporation
- Current Assignee: Toyota Jidosha Kabushiki Kaisha,Denso Corporation
- Current Assignee Address: JP Aichi-ken JP Aichi-ken
- Agency: Sughrue Mion, PLLC
- Priority: JP2006-045316 20060222
- International Application: PCT/JP2007/052075 WO 20070131
- International Announcement: WO2007/099745 WO 20070907
- Main IPC: F01L1/34
- IPC: F01L1/34
Abstract:
An ECU executes a program including the steps of: detecting engine speed NE (S100); and stopping power supply to an electric motor of an intake VVT mechanism (S104), if engine speed NE is equal to or lower than a threshold value NE (0) (YES at S102).
Public/Granted literature
- US20100162980A1 VARIABLE VALVE TIMING APPARATUS AND CONTROL METHOD THEREFOR Public/Granted day:2010-07-01
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