Cleanable device for depollution of engine exhaust gases

Details Cleanable device for depollution of engine exhaust gases Cleanable device for depollution of engine exhaust gases

2003-05-07

2008-12-30

Greene, Jason M (Department: 1797)

Gas separation

Specific media material

Ceramic or sintered

C055S282300, C055S385300, C055S502000, C055S503000, C055S524000, C055SDIG007, C055SDIG010, C055SDIG030, C095S273000, C060S297000, C060S311000, C060S322000

Reexamination Certificate

active

07470301

ABSTRACT:
A device for depolluting a heat engine exhaust gases includes an outer casing (23) delimiting an exhaust gas circulating passageway and a particle filter (20) mounted in the passageway. The casing (23) includes a transverse break (34) along its entire periphery, the break (34) dividing the casing (23) into first and second successive segments (38, 40). The first and second successive segments (38, 40) include two mutually engaged ends. One outer end of the first segment (38) overlaps one inner end of the second section (40) along part of the length of the flow passageway. The outer end of the first segment (38) includes along its periphery at least one weakened region (50) for varying the cross-section of the outer end of the first segment (38). The device is applicable to motor vehicles.

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