Methods for re-combustion in engines
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United States of America Patent
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Dec 12, 2023
Grant Date -
Apr 20, 2023
app pub date -
Dec 21, 2022
filing date -
Jul 29, 2021
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Abstract
Methods and systems are provided for re-combustion of exhaust in a cylinder of a multi-cylinder engine in order to increase the temperature of the exhaust for enhancing catalytic conversion within the multi-cylinder engine. In one example, a method may include expelling combusted gases from the cylinder into an intake manifold via an intake valve during an exhaust stroke, in order to rebreathe in the combusted gases from the intake manifold via the intake valve in a subsequent intake stroke.
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