发明名称 Controller for oil control valve
摘要 <p>According to the invention, a malfunction due to catch of a foreign matter in a variable valve timing mechanism is prevented. In an internal combustion engine 3 including a variable valve timing mechanism, when feedback control of an actuator is conducted so that an actual cam phase corresponds to a target cam phase calculated depending on an engine operation condition, if the target cam phase changes by a change in the engine operating condition, the actuator is controlled with a predetermined control value different from the feedback control only for a predetermined time thereafter.</p>
申请公布号 EP2025884(A1) 申请公布日期 2009.02.18
申请号 EP20080014239 申请日期 2008.08.08
申请人 HITACHI LTD. 发明人 MIDORIKAWA, HIROYUKI
分类号 F16K31/06;F01L1/344;F15B21/04;F15B21/08 主分类号 F16K31/06
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