Soot particle filter with storage cells for a catalyst
AssigneeUmicore AG & Co. KG
InventorStefan Franoschek
Life of this patent
Estimating the term…
Abstract
The invention relates to a wall-flow filter for cleaning exhaust gases from engines, with parallel exhaust gas inlet channels and exhaust gas outlet channels which are closed at alternate ends, said filter additionally comprising catalyst channels which are closed at both ends and contain a catalyst in solid form. The invention also relates to production methods and uses of the filter for cleaning exhaust gases, particularly from diesel engines.
Claims13
Wall-flow filter (1) for cleaning exhaust gases from engines, comprising parallel exhaust gas inlet channels (3) and exhaust gas outlet channels (4) which are closed at alternate ends, wherein the filter additionally comprises catalyst channels (2) which are closed at both ends and contain a catalyst in solid form, and wherein the inlet channels (3) and the catalyst channels (2) have common walls and wherein the outlet channels (4) and the catalyst channels (2) have common walls (5).
Dependencies are inferred from the claim text.