Multi-cylinder internal combustion engine and method for operating a multi-cylinder internal combustion engine
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United States of America Patent
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Jan 31, 2017
Grant Date -
May 21, 2015
app pub date -
Jan 27, 2015
filing date -
Sep 7, 2010
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Abstract
A method for partial cylinder cutoff is provided. The method comprises operating a multi-cylinder internal combustion engine with applied ignition, in which an odd number n of cylinders is arranged in line, and during partial-load operation when engine load is below threshold, enabling a partial cutoff of the cylinders, the partial cutoff comprising operating each cylinder only intermittently such that each cylinder is fired and cut off in turn at an interval of (2*720° CA)/n.
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