Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gustav Berggren0
Date of Patent
August 7, 2007
0Patent Application Number
113434230
Date Filed
January 31, 2006
0Patent Primary Examiner
Patent abstract
A system for controlling the mixture of an air flow and an exhaust gas flow utilizing two valves, the first valve at least partially positioned in an air intake conduit and regulating the flow of fluid through the air conduit, and the second valve positioned in an exhaust gas recirculation conduit for regulating the flow of exhaust gas. The control scheme presenting a sequential or stepwise control sequence, where the first valve is actuated over a first pressure range and the second valve is actuated over a second pressure range such that valves operate in a sequential manner.
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