For monitoring the method and system of hydrocarbon adsorbents

For monitoring the method and system of hydrocarbon adsorbents

  • CN 104,564,275 B
  • Filed: 09/30/2010
  • Issued: 11/26/2019
  • Est. Priority Date: 10/05/2009
  • Status: Active Grant
First Claim
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1. a kind of catalyst, comprising:

  • Catalyst body, the catalyst body is configured to receive from engine and be vented, wherein the catalyst body includesThe hydrocarbon adsorbant material and oxygen storage capacity material being arranged on, andWherein oxygen storage capacity material includes the first metal of trace, wherein the first metal includes at least the one of gold, copper, silver or platinumKind, the wherein deactivation temperature of oxygen storage capacity match materials hydrocarbon adsorbant material, and the tool of addition or removal traceTo change deactivated temperature range occurs for body metal,Wherein, the hydrocarbon adsorbant material and oxygen storage capacity material are arranged in carrier coating,It further comprise substrate, wherein the carrier coating is set on the substrate,Wherein, further comprise the first layer being set up directly in the substrate, and setting on the first layer theTwo layers, in which;

    The first layer includes oxygen storage capacity material;

    AndThe second layer includes hydrocarbon adsorbant material,Wherein, oxygen storage capacity material is degenerated fastly than the hydrocarbon adsorbant material or deterioration velocity is equal.

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