Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 19, 2008
Patent Application Number
11345235
Date Filed
February 2, 2006
Patent Primary Examiner
Patent abstract
When an engine is in transitional operation, combustion is carried out by spray guide method. Further, when catalyst temperature T is high, namely, equal to or higher than a specified maximum temperature T1, stratified charge combustion by spray guide method is carried out, and when the catalyst temperature T is low, namely, equal to or lower than a specified minimum temperature T2, stratified charge combustion by wall guide method is carried out.
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