DEVICE FOR DEPOLLUTING EXHAUST GASES OF A THERMAL ENGINE
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United States of America Patent
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Issued Date -
Sep 24, 2009
app pub date -
Dec 9, 2005
filing date -
Dec 10, 2004
priority date (Note) -
Abandoned
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Abstract
A device for depolluting a heat engine exhaust gases includes an outer casing (23) including successive first and second tubular sections (38, 40), the first section (38) containing a first depolluting member (18) mounted in the passage, the first section including a female end (42) wherein is nested a male end (44) of the second section (40). The first depolluting member (18) includes a substrate (19) and at least one wedge (50, 52) interposed between the inner surface of the first tubular section (38) and the substrate (19), the (or each) wedge (50, 52) consisting of a wire mesh associated with a heat-expansible material to provide exhaust gas proofness.
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