CPC F01N 3/36 (2013.01) [F02D 41/402 (2013.01); F02D 2200/0614 (2013.01); F02D 2200/0814 (2013.01)] | 10 Claims |
1. A reduction method for a catalytic converter in an exhaust system of an internal combustion engine for reducing an oxygen content in the catalytic converter, the method comprising:
performing a first injection of fuel into a first cylinder, the first injection taking place during an exhaust stroke of a first working cycle of the first cylinder which is after an ignition point in time of a compression stroke of the first working cycle of the first cylinder; and
introducing the injected fuel from the first cylinder into the catalytic converter during the exhaust stroke of the first cylinder.
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