Internal combustion engine including valve deactivation mechanism
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United States of America Patent
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Aug 5, 2014
Grant Date -
Oct 6, 2011
app pub date -
Mar 28, 2011
filing date -
Mar 31, 2010
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Abstract
An internal combustion engine which includes a valve deactivation mechanism for reducing an output power shock upon changing of the cylinder number. In an internal combustion engine which includes a valve deactivation mechanism driven by a slide pin which is driven by hydraulic pressure, response delay time after a signal is sent to oil control valves until an intake valve and an exhaust valve are activated or deactivated is used to form a control map in response to control parameters, and the valve deactivation mechanism is controlled based on the control map.
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