Apparatus and method for engine backpressure reduction

An improved catalytic substrate for use with a can in an automotive exhaust system, the substrate being of the type which is disposed in use in the can, the improvement comprising: an insulation material thermally separating the substrate into a central zone and a tubular outer zone surrounding the...

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Bibliographische Detailangaben
Hauptverfasser:	PLATI STEFANO, BLAGOJEVIC VOISLAV, KOYANAGI GREGORY KIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An improved catalytic substrate for use with a can in an automotive exhaust system, the substrate being of the type which is disposed in use in the can, the improvement comprising: an insulation material thermally separating the substrate into a central zone and a tubular outer zone surrounding the central zone, the insulation material, central zone and outer zone collectively defining a modified substrate, the insulation material being adapted such that, in an operating condition, the temperature difference across the insulation material is at least 25° C.