Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 25, 2008
Patent Application Number
11503740
Date Filed
August 14, 2006
Patent Primary Examiner
Patent abstract
A controller for an exhaust purifier performs idle-up to increase the idle speed of a diesel engine when an intake air amount, which is based on the atmospheric pressure and the engine speed, is less than a reference air amount of when a throttle valve is completely open and an EGR valve is completely closed during the regeneration of the filter. The controller performs idle-up by increasing the amount of fuel injected from the fuel injection valves of the diesel engine.
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