专利名称：Engine Control Device发明人：Shinji NAKAGAWA,Toshio HORI申请号：US15520178申请日：20150904
公开号：US20170314482A1公开日：20171102
专利附图：
摘要：The present invention suppresses the worsening of stability due to a variation inEGR amounts between cylinders in a spark ignition engine. An engine control device forcontrolling a spark ignition engine equipped with an EGR means for recirculating exhaustgas in a combustion chamber and an air-fuel-ratio detection means for detecting the air-
fuel ratio in each cylinder, the engine control device being characterized by being
equipped with a means for changing the parameters for ignition control of a rich cylinder,when the air-fuel ratio of cylinders varies and there are richer cylinders and leanercylinders relative to a prescribed air-fuel ratio during the execution of exhaust gasrecirculation by the EGR means.
申请人：Hitachi Automotive Systems, Ltd.
地址：Hitachinaka-shi, Ibaraki JP
国籍：JP
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