Patent ID: 11952932
Assignee: VOLVO TRUCK CORPORATION
Field: Environmental technology (Chemistry)
Classification: CPC F  Y | IPC F

Claim 8:
9. An Exhaust Aftertreatment System for a vehicle, the EATS comprising:
a NOx sensor arranged to provide a NOx sensor output parameter;
a Selective Catalytic Reduction (SCR) unit;
a bypass pipe arranged to convey a first part of the exhaust flow through the bypass pipe and thereby bypassing at least a first area of the SCR unit,
an exhaust pipe arranged to convey a second part of the exhaust flow through the exhaust pipe and thereby being inputted to at least the first area of the SCR unit;
a valve arranged to control the exhaust flow such that the first part of the exhaust flow is conveyed through the bypass pipe and the second part of the exhaust flow is conveyed through the exhaust pipe;
a reductant dosing device arranged to add reductant to the second part of the exhaust flow before being inputted to at least the first area of the SCR unit; and
a control unit according to claim 8.