With the electrically heated particulate filter that zoned exhaust flow controls

With the electrically heated particulate filter that zoned exhaust flow controls

  • CN 101,793,182 B
  • Filed: 01/22/2010
  • Issued: 10/07/2015
  • Est. Priority Date: 01/23/2009
  • Status: Active Grant
First Claim
Patent Images

1. control a system for particulate matter filter, comprising:

  • Comprise the particulate matter filter in X region, wherein X is integer;

    Electric heater, described electric heater comprises Y the heater section be associated with the respective regions in a described X region, and wherein Y is integer,Wherein, electric heater is arranged on described particulate matter filter upstream and is close to described particulate matter filter;

    Valve assembly, described valve assembly comprises Z the portion'"'"'s section be associated with the respective regions in a described X region, and wherein Z is integer, and described valve assembly also comprises;

    the first group venetian blind corresponding with first in described Z portion'"'"'s section;

    And the second group venetian blind corresponding with second in described Z portion'"'"'s section, described first group of venetian blind and second group of venetian blind are made up or coating of the material reflecting heat energy;

    WithControl module, described control module regulates during described particulate matter filter regeneration by each flow in described Z portion'"'"'s section via the control of described valve assembly.

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