THERMAL STORAGE DEVICE FOR USE IN A FLUID FLOW SYSTEM
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United States of America Patent
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app pub date -
Mar 2, 2017
filing date -
Mar 2, 2016
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Abstract
An exhaust system is provided that includes at least one exhaust aftertreatment unit provided in an exhaust fluid flow pathway and a thermal storage device disposed upstream from the exhaust aftertreatment unit. The thermal storage device is operable to store thermal mass and provide thermal insulation to enable a catalyst to maintain a minimum predetermined temperature for a minimum predetermined time. In one form, a heater is also provided proximate the thermal storage device, along with variations that include a secondary flow pathway for the thermal storage device.
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