Particle filter with an electric heater and production process for such a particle filter

摘要

A carbon black filter (23) is provided which has a heater (17) for burning deposited carbon black. The particle filter (23) has several filter surfaces (12), which carry catalyst coatings (21), which cover a small part of the filter surface. The catalyst coatings (21) are constructed for bringing about an oxidation of carbon black at a lower temperature than the ignition temperature of the carbon black. Combustion is initiated by the heater (17).