Method and system for flushing ash from a diesel particulate filter

A system for flushing ash from a diesel particulate filter includes a conduit for supplying a fluid from a fluid supply to an outlet of a diesel particulate filter. A pump slowly reverse flows the fluid through the diesel particulate filter. An acoustic wave source generates an acoustic wave, such a...

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Bibliographische Detailangaben
1. Verfasser:	CRAWLEY WILBUR H
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:	A system for flushing ash from a diesel particulate filter includes a conduit for supplying a fluid from a fluid supply to an outlet of a diesel particulate filter. A pump slowly reverse flows the fluid through the diesel particulate filter. An acoustic wave source generates an acoustic wave, such as an ultrasonic wave, through the fluid in the diesel particulate filter to assist in dislodging the ash from the diesel particulate filter, while the fluid carries the ash out the inlet of the diesel particulate filter. The ash may be filtered from the fluid after the fluid exits the diesel particulate filter, so that the fluid may be reused.