Exhaust gas purifying device
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United States of America Patent
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Sep 17, 2013
Grant Date -
Jun 16, 2011
app pub date -
Jul 21, 2009
filing date -
Aug 8, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An exhaust gas purifying device includes: a case body including a plurality of cases, and heat insulating rings and heat insulators that cover the case body over a substantially-entire area from an upstream side to a downstream side in an exhaust gas flowing direction. The heat insulators are placed inward from joint portions between the cases, and the heat insulating rings are placed in such a manner as to bridge over the joint portions between the cases. With the above arrangement, the surface temperature of the case body can be reliably prevented from becoming high.
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