Patent ID: 9410461
Filing Date: 2016-08-09
CPC Classification: F01N,Y02T

Claim Text:
1. An internal combustion engine, comprising: a bypassable SCR catalytic converter; and at least one control element to switch a flow of an exhaust gas line between a first position where the SCR catalytic converter is active and a second position where the SCR catalytic converter is bypassed; at least one bypass flow path which bypasses the SCR catalytic converter, said flow path bypassing the SCR catalytic converter and configured as an annular space between concentric pipes including an inner pipe and an outer pipe, in which the SCR catalytic converter is located in the inner pipe, wherein a first inlet pipe connects to the inner pipe, and a second inlet pipe connects to the at least one bypass flow path, with the first inlet pipe partly running inside the second inlet pipe; a first control element provided in the first inlet pipe; and an additive metering device located in the first inlet pipe, wherein the additive metering device is located upstream of the first control element.