Exhaust aftertreatment filter with residual stress control

Details Exhaust aftertreatment filter with residual stress control Exhaust aftertreatment filter with residual stress control

2008-07-01

2008-07-01

Greene, Jason M. (Department: 1797)

Gas separation: processes

Filtering

With cleaning of filter

C095S273000, C055S282200, C055S282300, C055S385300, C055S502000, C055S511000, C055S513000, C055S523000, C055SDIG007, C055SDIG010, C055SDIG030, C060S295000, C060S297000, C060S299000, C060S311000, C428S116000

Reexamination Certificate

active

11138834

ABSTRACT:
An exhaust aftertreatment filter has a pre-stressed layer bonded to the filter body at the outer periphery and compressively axially pre-stressed in an opposite axial direction to separational axial tensile stress to counteract the latter during regenerative heating, to minimize separational fracture and cracking.

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