Patents Assigned to Volvo Lastyagnar AB
  • Patent number: 6904898
    Abstract: Method and arrangement for cleaning an EGR cooler of an exhaust gas recirculation system by detecting an excessive particulate accumulation condition in the EGR cooler and causing liquid-state moisture to be introduced in the EGR cooler thereby enabling a reduction of the excessive particulate accumulation from the EGR cooler.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: June 14, 2005
    Assignee: Volvo Lastyagnar AB
    Inventor: Ivar Sahlén