US Patent 7696679 Spark plug with optical sensor
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Patent abstract
A spark plug has an optical window for sensing combustion processes in an Otto engine. The optical window is located in the central electrode of the spark plug and has at least one lens exposed to the combustion chamber, as well as at least one flexible optical fiber which can conduct light through the spark plug from the lens to an analysis system.
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US Patent 07696679 Spark plug with optical sensor US Patent 7696679 Spark plug with optical sensor
Infobox
Patent Number
0769667900
Patent Number
769667900
Edits on 27 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
076966790
Date of Patent
April 13, 2010
0Patent Application Number
115767440
Date Filed
October 5, 2005
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
076966790
Date of Patent
April 13, 2010
0Patent Application Number
115767440
Date Filed
October 5, 2005
0Official Website
Patent Primary Examiner
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US Patent 07696679 Spark plug with optical sensor
Infobox
Is a
Patent jurisdiction
Patent number
07696679
Date of patent
April 13, 2010
Patent application number
11576744
Date Filed
October 5, 2005
Patent primary examiner
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