Inventor
GERL PETER
DE3 patents
Patents
3 patentsUS6871492B2Mar 29, 2005
Process and system for controlling the mixture composition for a spark ignition Otto engine with an NOx storage catalyst during a regeneration phase
PORSCHE AG20 citations79
US6684632B2Feb 3, 2004
Arrangement and method for igniting a combustible gas mixture for the exhaust system of an internal-combustion engine and corresponding exhaust system
PORSCHE AG3 citations57
US6568174B2May 27, 2003
Process and apparatus for reducing warm-up emissions of a direct injection internal combustion engine
PORSCHE AG0 citations47