Diesel engine exhaust filters

Details Diesel engine exhaust filters Diesel engine exhaust filters

2007-07-03

2007-07-03

Bushey, Scott (Department: 1724)

Gas separation

Specific media material

Ceramic or sintered

C055S385300, C055S484000, C055SDIG030, C060S311000

Reexamination Certificate

active

10830671

ABSTRACT:
Diesel engine exhaust filtration systems, and ceramic honeycomb wall flow exhaust filters for such systems, wherein the filters comprise axially centralized filter sections having a higher heat capacity and/or a higher gas flow resistance than peripheral filter sections disposed radially outwardly thereof, the filters thereby exhibiting increased resistance to thermal damage from filter regeneration over-heating.

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