Invention Grant
US07877987B2 Electrically heated particulate filter regeneration using hydrocarbon adsorbents 有权
使用碳氢化合物吸附剂的电加热微粒过滤器再生

Electrically heated particulate filter regeneration using hydrocarbon adsorbents
Abstract:
An exhaust system that processes exhaust generated by an engine is provided. The system generally includes a particulate filter (PF) that filters particulates from the exhaust wherein an upstream end of the PF receives exhaust from the engine. A grid of electrically resistive material selectively heats exhaust passing through the upstream end to initiate combustion of particulates within the PF. A hydrocarbon adsorbent coating applied to the PF releases hydrocarbons into the exhaust to increase a temperature of the combustion of the particulates within the PF.
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