Heated mat and exhaust gas treatment device
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United States of America Patent
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Mar 20, 2018
Grant Date -
May 17, 2012
app pub date -
Nov 11, 2011
filing date -
Nov 11, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A mounting mat for an exhaust gas treatment device, includes at least one layer comprising inorganic fibers and a heater in thermal communication with the layer. Also disclose is an exhaust gas treatment device comprising an outer housing, a fragile structure located in the housing and the mounting mat located between the housing and the fragile structure. A method is further disclosed for maintaining and/or increasing the temperature of a substrate of an exhaust gas treatment device comprising providing the mounting mat and transferring heat from the heater to the mounting mat in order to maintain and/or increase the temperature of the substrate and/or the exhaust gas treatment device during the battery mode of a hybrid gas/electric vehicle.
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