Variable combustion cylinder ratio control method and variable combustion cylinder ratio control device
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United States of America Patent
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Oct 19, 2021
Grant Date -
Jun 21, 2018
app pub date -
Nov 15, 2017
filing date -
Dec 16, 2016
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Abstract
A variable combustion cylinder ratio control method variably controls a combustion cylinder ratio of an engine during an intermittent deactivation operation, in which cylinder deactivation is intermittently performed. The method includes, when setting N to an integer greater than or equal to 1, repeatedly performing a cylinder deactivation in a pattern in which combustion is consecutively performed in N cylinders in the order of cylinders entering a combustion stroke, and then a subsequent cylinder is deactivated. The method further includes changing the combustion cylinder ratio by changing the pattern such that the value of N is changed by one at a time.
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