Filter for purifying gas mixtures and method for its manufacture

A filter for purifying gas mixtures containing particulates, in particular exhaust gases of internal combustion engines containing soot. The filter has a porous wall made of a filter base material through which the gas mixture to be purified flows. A surface coating of ceramic fibers is applied to t...

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Bibliographische Detailangaben
Hauptverfasser:	SCHUMANN BERND, KRUSE MATTHIAS, JOCKEL JOERG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A filter for purifying gas mixtures containing particulates, in particular exhaust gases of internal combustion engines containing soot. The filter has a porous wall made of a filter base material through which the gas mixture to be purified flows. A surface coating of ceramic fibers is applied to the surface of the wall which is exposed to the flow of the gas mixture to be purified. The ceramic fibers are coated with nanoparticles. Furthermore, a method for manufacturing such a filter.