Continuous rotary regeneration system for a particulate trap

An apparatus and method for continuously regenerating a particulate filter trap comprises: movable means effective to shield a segment of the trap entrance face from the full flow of exhaust gas while permitting a portion of the exhaust gas flow to bleed therethrough; (b) electrical resistance heati...

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Bibliographische Detailangaben
Hauptverfasser:	WADE, WALLACE R
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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An apparatus and method for continuously regenerating a particulate filter trap comprises: movable means effective to shield a segment of the trap entrance face from the full flow of exhaust gas while permitting a portion of the exhaust gas flow to bleed therethrough; (b) electrical resistance heating means having a movable heating element carried by the shield and interposed between the trap face and the shield; and (c) means for substantially continuously moving the shield and element conjointly across the trap face to ignite one or more columns of the particulates in the trap aligned with the shield and element. The ignited particles and bleed flow cause oxidation to proceed throughout the extent of the columns of particulates without need for additional exterior heat.