CYLINDER DEACTIVATION APPARATUS OF ENGINE
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United States of America Patent
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Issued Date -
Apr 21, 2016
app pub date -
Oct 16, 2015
filing date -
Oct 17, 2014
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Abstract
A cylinder deactivation apparatus of an engine is configured to selectively deactivate at least one of a plurality of cylinders in accordance with operation states of an engine. The cylinders are configured to receive intake air from an intake manifold. The apparatus includes: at least one deactivation intake port having first and second ends. The first end communicates with the intake manifold. An intake channel connects the second end of the deactivation intake port to the at least one of the cylinders that is selectively deactivated. A deactivation throttle valve is disposed in the deactivation intake port and configured to selectively open or close the deactivation intake port. A controller is configured to control an operation of the deactivation throttle valve such that intake air is selectively supplied to the at least one of the cylinders.
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