Engine exhaust treatment through temperature management
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 18, 2022
Grant Date -
Dec 2, 2021
app pub date -
May 29, 2020
filing date -
May 29, 2020
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The subject matter of this specification can be embodied in, among other things, an engine system that includes an intake manifold configured to receive and convey air to a combustion chamber, an intake valve upstream of the intake manifold and configured to regulate an air flow into the intake manifold, an exhaust manifold configured to receive combustion products from the combustion chamber, a recirculation flow passage configured to convey exhaust gasses from the exhaust manifold to the intake manifold, a recirculation flow control valve configured to regulate gas flow through the recirculation flow passage, and a controller configured to determine that the engine system is in a motoring condition, open, during the motoring condition and based the determining, the recirculation flow control valve, and close, during the motoring condition and based the determining, the intake valve.
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