Sealing joint for connecting adjoining duct pieces in an engine exhaust system
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United States of America Patent
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May 8, 2012
Issued Date -
N/A
app pub date -
Jul 8, 2009
filing date -
Jul 30, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An engine exhaust system comprises duct pieces (201, 202) and a sealing joint (30) for interconnecting their adjoining ends. The sealing joint (30) comprises a one-piece tubular body (31) including a first axial end portion (331), a second axial end portion (332), and a bridge portion (34) extending therebetween. The first end portion (331) is at least partially positioned within a female recess (231) of the first duct piece (201) and the second end portion (332) is at least partially positioned within a female recess (232) of the second duct piece (202). Depending upon the thermal expansion-contraction conditions in the exhaust system, the bridge portion (34) can extend across a gap (24) and/or it can be positioned partially within female recesses (231) and (232).
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