US Patent 7997063 Controlled air-fuel ratio modulation air fuel sensor input
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Patent abstract
A method is described for identifying fuel composition from an index ratio of oxygen sensors upstream and downstream of a catalyst of the engine. Different index ratios are achieved for different fuel compositions, and thus it is possible to identify fuel composition, such as fuel alcohol content, based on changes in the index ratio.
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Patent Inventor Names
Christian Thomas Goralski, Jr.0
Eva Thanasiu0
Robert Joseph Jerger0
Shane Elwart0
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US Patent 07997063 Controlled air-fuel ratio modulation air fuel sensor input US Patent 7997063 Controlled air-fuel ratio modulation air fuel sensor input
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Patent Number
079970630
Patent Number
79970630
Edits on 30 Mar, 2023
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Infobox
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Patent Jurisdiction
Patent Number
079970630
Date of Patent
August 16, 2011
0Patent Application Number
119263820
Date Filed
October 29, 2007
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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US Patent 07997063 Controlled air-fuel ratio modulation air fuel sensor input
Infobox
Is a
Patent jurisdiction
Patent number
07997063
Date of patent
August 16, 2011
Patent application number
11926382
Date Filed
October 29, 2007
Patent primary examiner
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