Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Susumu Kohketsu0
Shinji Nakayama0
Keiki Tanabe0
Date of Patent
June 5, 2007
0Patent Application Number
112695170
Date Filed
November 8, 2005
0Patent Primary Examiner
Patent abstract
Immediately before fuel pressure is increased by a pressure-increase mechanism, a pressure-increase control valve of each cylinder is opened in timing that does not overlap the timing of opening of an injection control valve, and the period of time for which the pressure-increase control valves is opened is gradually increased. As a result, it is possible to prevent the quantity of fuel consumed by the pressure-increase mechanism from rapidly increasing when the increase of fuel pressure is started.
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