Intrusive SCR efficiency testing system and method for vehicle with low temperature exhaust gas

Intrusive SCR efficiency testing system and method for vehicle with low temperature exhaust gas

  • CN 102,022,170 A
  • Filed: 09/14/2010
  • Published: 04/20/2011
  • Est. Priority Date: 09/14/2009
  • Status: Active Grant
First Claim
Patent Images

1. waste gas diagnostic system comprises:

  • Exhaust gas temperature administration module, described exhaust gas temperature administration module use the management of intrusive mood exhaust gas temperature optionally the temperature of selective catalytic reduction (SCR) catalyzer to be increased to the presumptive test temperature range;

    AndSCR efficiency test module, described SCR efficiency test module are estimated the efficient of SCR catalyzer in temperature is in described predetermined temperature range the time.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×