INTERNAL COMBUSTION ENGINE AND SYSTEM
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United States of America Patent
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Issued Date -
Jul 11, 2019
app pub date -
Jan 8, 2019
filing date -
Jan 10, 2018
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Abstract
This invention provides a method and system for simultaneously increasing fuel efficiency and reducing pollutant emissions by introducing oxygen-enriched air, achieved by either removing nitrogen or adding oxygen, into the intake system of a four-stroke internal combustion engine. The oxygen-enriched air may also be combined with normal air drawn into the combustion chamber during the intake stroke.
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