US Patent 7121082 Engine control system
Patent 7121082 was granted and assigned to Hitachi on October, 2006 by the United States Patent and Trademark Office.
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Patent Inventor Names
Kosaku Shimada0
Mamoru Nemoto0
Minoru Ohsuga0
Shinji Nakagawa0
Toshio Hori0
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Patent abstract
In a lean-burn engine equipped, in the exhaust pipe, with NOx trap catalyst that collects NOx by absorption or occlusion, the rich spike start timing and rich spike volume are optimized.
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US Patent 07121082 Engine control system US Patent 7121082 Engine control system
Infobox
Patent Number
071210820
Patent Number
71210820
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
071210820
Date of Patent
October 17, 2006
0Patent Application Number
106878120
Date Filed
October 20, 2003
0Official Website
Patent Primary Examiner
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US Patent 07121082 Engine control system
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07121082
Date of patent
October 17, 2006
Patent application number
10687812
Date Filed
October 20, 2003
Patent primary examiner
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