Tuning Particulate Filter Performance Through Selective Plugging and Use of Multiple Particulate Filters to Reduce Emissions and Improve Thermal Robustness

Tuning Particulate Filter Performance Through Selective Plugging and Use of Multiple Particulate Filters to Reduce Emissions and Improve Thermal Robustness

Modified exhaust aftertreatment filters for filtering engine exhaust are provided as are methods of design and manufacturing modified exhaust aftertreatment filters. The modified filters are subject to reduced back pressure and reduced thermal gradients experienced during regeneration as compared to...

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Bibliographische Detailangaben
Hauptverfasser: LIU Z. GERALD, YONUSHONIS THOMAS M, HABERKAMP WILLIAM C, BLACKWELL BRYAN E, ENGLAND ROGER D, ANDERSON MATTHEW L, HENRICHSEN MATTHEW P
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBINED OPERATIONS
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
MACHINE TOOLS
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
STEAM ENGINES
TRANSPORTING
UNIVERSAL MACHINE TOOLS
WEAPONS
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Beschreibung
Zusammenfassung:Modified exhaust aftertreatment filters for filtering engine exhaust are provided as are methods of design and manufacturing modified exhaust aftertreatment filters. The modified filters are subject to reduced back pressure and reduced thermal gradients experienced during regeneration as compared to unmodified filters. The modified filters include flow-through channels obtained by unplugging channels which normally are plugged in an unmodified filter.