Method for heating up a catalyst in combustion engines with...

Details Method for heating up a catalyst in combustion engines with... Method for heating up a catalyst in combustion engines with...

2007-01-30

2007-01-30

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S285000, C060S286000, C060S300000

Reexamination Certificate

active

10250749

ABSTRACT:
A method for heating up a catalytic converter in internal combustion engines having gasoline direct injection is presented and has the steps: shifting the ignition toward retard; checking whether the charge of the cylinders with air exceeds a pregiven threshold; and, dividing the fuel injection into two component quantities which are injected in advance of the ignition when the air charge exceeds the threshold.

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patent: WO 00 08329 (2000-02-01), None

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