Spark Plug With Optical Sensor
AssigneeKistler Holding AG
InventorsDieter Karst, Kurt Vollenweider, Paul Furter
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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.
Claims17
A spark plug having an optical window for sensing combustion processes in an Otto engine wherein the optical window is located in the central electrode of the spark plug and wherein the optical window has at least one lens exposed to the combustion chamber as well as at least one flexible optical fiber which can conduct light from the lens through the spark plug to an analysis system.
Dependencies are inferred from the claim text.