Patents Assigned to Volvo Lasivagnar AB
  • Method and system for regenerating an exhaust gas purification unit
    Patent number: 9027327
    Abstract: A method for regenerating an exhaust gas purification unit arranged in an internal combustion engine system includes setting a predefined minimum engine speed such that the exhaust gas mass flow exceeds a predefined flow value during the regeneration process. An internal combustion engine system including an exhaust gas purification unit adapted to be operated according to the method is also provided.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: May 12, 2015
    Assignee: Volvo Lasivagnar AB
    Inventors: Niclas Johnson, Marcus Steen, Frank Dennis Langervik, Paulina Ramfelt