×

CONTROL OF EXHAUST FLOW IN AN ENGINE INCLUDING A PARTICULATE FILTER

  • US 20110072796A1
  • Filed: 12/29/2009
  • Published: 03/31/2011
  • Est. Priority Date: 09/29/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method for controlling operation of exhaust of an engine including a particulate filter, comprising:

  • generating vacuum during engine operation;

    storing the vacuum;

    during or after engine shutdown, drawing ambient air through the particulate filter via the vacuum.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×