Metering device for inserting pollutant-decreasing medium in exhaust gas system of internal-combustion engine by flow pipe, has metering module for metering pollutant-decreasing medium

摘要

The metering device (110) has a metering module (122) for metering a pollutant-decreasing medium (124). The metering device has a metering pipe (128) flown through by an auxiliary fluid (130). The metering pipe flows at an opening position (132) in a flow pipe (114).