US Patent 7474954 EGR differential pressure sensor auto calibration method

Patent 7474954 was granted and assigned to Detroit Diesel on January, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Detroit Diesel

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74749540

Patent Inventor Names

Peter Zagone0

Date of Patent

January 6, 2009

Patent Application Number

118438530

Date Filed

August 23, 2007

Patent Primary Examiner

‌

John T. Kwon

Patent abstract

A method for operating an electronic controlled internal combustion engine with an electronic control unit (ECU) having at least nonvolatile memory and tables resident therein to automatically recalibrate an exhaust gas recirculation (EGR) differential pressure sensor.

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