US Patent 7854113 Catalyst temperature estimation device
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Patent abstract
In a fuel cut period, an adsorbed CO quantity calculation section calculates the amount CATco of CO adsorbed on a catalyst, and an exhaust O2 quantity calculation section calculates the amount GASo2 of O2 in exhaust gases. CO oxidation reaction heat ΔHr produced when the calculated amount CATco of adsorbed CO reacts with the calculated amount GASo2 of O2 in the exhaust gases is calculated by a ΔHr calculation section, and used in estimation of the temperature of the catalyst.
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Patent Inventor Names
Katsuhiro Furuta0
Katsunori Ueda0
Koji Kawakita0
Toshiyuki Miyata0
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US Patent 07854113 Catalyst temperature estimation device US Patent 7854113 Catalyst temperature estimation device
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Patent Number
078541130
Patent Number
78541130
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Official Website
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Patent Jurisdiction
Patent Number
078541130
Date of Patent
December 21, 2010
0Patent Application Number
117988690
Date Filed
May 17, 2007
0Official Website
Patent Primary Examiner
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US Patent 07854113 Catalyst temperature estimation device
Infobox
Is a
Patent jurisdiction
Patent number
07854113
Date of patent
December 21, 2010
Patent application number
11798869
Date Filed
May 17, 2007
Patent primary examiner
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