Self-Cleaning Combustion Engine Window
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United States of America Patent
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Issued Date -
Jul 1, 2021
app pub date -
May 31, 2019
filing date -
Jun 6, 2018
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Abstract
Improved combustion monitoring in an internal combustion engine is provided by an optical port passing through a side wall of the combustion chamber where a front surface of the port may be cleaned by wiping action of piston rings passing across that surface. A thin film of oil distributed by the rings reduces the adhesion of fouling deposits.
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