US Patent 7891168 Flexible fuel tolerant catalytic converter diagnostic method
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Patent abstract
A monitoring system for a catalytic converter is provided. The system includes: a fuel determination module that determines a fuel composition based on a sensed composition of fuel in a fuel system; a fuel/air (F/A) determination module that selectively determines a stoichiometric F/A ratio based on the fuel composition; and an oxygen storage capacity (OSC) diagnostic module that computes a target OSC based on the stoichiometric F/A ratio, that compares the target OSC to a reference value and diagnosis the catalytic converter based on the comparison.
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Patent Inventor Names
James R. Yurgil0
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US Patent 07891168 Flexible fuel tolerant catalytic converter diagnostic method US Patent 7891168 Flexible fuel tolerant catalytic converter diagnostic method
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Patent Number
078911680
Patent Number
78911680
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Patent Jurisdiction
Patent Number
078911680
Date of Patent
February 22, 2011
0Patent Application Number
115614870
Date Filed
November 20, 2006
0Official Website
Patent Primary Examiner
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US Patent 07891168 Flexible fuel tolerant catalytic converter diagnostic method
Infobox
Is a
Patent jurisdiction
Patent number
07891168
Date of patent
February 22, 2011
Patent application number
11561487
Date Filed
November 20, 2006
Patent primary examiner
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