Piston Engine and Associated Operating Method
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United States of America Patent
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Issued Date -
Oct 27, 2016
app pub date -
Nov 29, 2014
filing date -
Dec 11, 2013
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Abstract
A method for operating an internal combustion piston engine, preferably a spark ignition engine, is disclosed. For each combustion chamber at least one intake valve is closed prematurely or belatedly and an exhaust gas recirculation can be carried out. For each combustion chamber at least two intake valves are provided which are opened at least during the exhaust gas recirculation with different maximum strokes.
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