DOSIERSYSTEM FÜR EIN FLÜSSIGES MEDIUM, INSBESONDERE HARNSTOFF-WASSER-LÖSUNG

摘要

The invention relates to a dosing system for a liquid reduction medium enabling precise dosing of the reduction medium in the exhaust gas system of an internal combustion engine. This is carried out particularly by using a quick and safe closing of a pressure-actuated dosing valve. Simultaneously, the dosing system according to the invention also enables the dissipation of the pressure impulses resulting due to the closing movement of the dosing valve.