Catalyst and process for its production

An automotive exhaust system has a catalytic converter with a cylindrical inlet to a housing with a rectangular cross section as seen end-on. The housing contains a petal-format catalytic substrate. Each petal is sub-divided into chambers (23) with cascading gas outlets (34) discharging in line with...

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Bibliographische Detailangaben
Hauptverfasser:	ALEXNAT, JOHN W. JOERG, STEENACKERS, PIETER DELFINA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An automotive exhaust system has a catalytic converter with a cylindrical inlet to a housing with a rectangular cross section as seen end-on. The housing contains a petal-format catalytic substrate. Each petal is sub-divided into chambers (23) with cascading gas outlets (34) discharging in line with the main gas flow axis (39). An independent claim is also included for the production of the above catalytic converter in which the catalytic substrate is formed from a single die-cut and folded metal panel with sidewalls. The sidewalls interlock with the mantle.