Honeycomb filter

Details Honeycomb filter Honeycomb filter

2007-07-17

2007-07-17

Smith, Duane (Department: 1724)

Gas separation

Specific media material

Ceramic or sintered

C055SDIG030, C422S177000

Reexamination Certificate

active

10500969

ABSTRACT:
A honeycomb filter of the present invention is a honeycomb filter10including a number of through-holes12surrounded by partition walls and extending through an axial direction, in which the partition walls have filterability, predetermined through-holes12are plugged at one end portion, and the remaining through-holes12are plugged at the other end portion to trap particulate matter contained in a dust-containing fluid. The honeycomb filter is characterized in that a heat capacity of a central part11is set to be larger than that of a peripheral part13in a section of the honeycomb filter10perpendicular to the axial direction. There is provided a honeycomb filter in which a crack is not generated by thermal stress during use, especially at a regeneration time and which is superior in durability.

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