Adaptive exhaust valve with purpose-designed spring
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United States of America Patent
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Jul 12, 2022
Grant Date -
May 6, 2021
app pub date -
Oct 30, 2019
filing date -
Oct 30, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An internal combustion engine system includes a combustion engine configured to produce exhaust gases as a product of a combustion reaction. An exhaust discharge pipe coupled to the internal combustion engine, and an adaptive valve assembly. The adaptive valve assembly is coupled to the exhaust discharge pipe and configured to receive the exhaust gases prior to the exhaust gases reaching the atmosphere. The adaptive valve assembly includes a valve flapper arranged in the passageway and configured to pivot about a flapper pivot axis from a normally-closed position to an opened position.
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