Robert Boschgmbh

Johann Siller

Michael Offenhuber

Franz Lackner

Leopold Bernegger

Bernhard Hager

Olivier Marco

Rainer Reiter

Marco Olivier

A metering valve assembly having a metering valve for metering an aqueous urea solution for posttreatment of exhaust gases from internal combustion engines, the liquid being capable of being fed in a feeding direction to the metering valve and a mixing chamber being provided, in which the liquid is miscible with a gas in a gas flow. The metering valve is evacuatable contrary to the feeding direction.

Metering valve assembly and method for operating a metering valve assembly

An apparatus for introducing a reducing agent into the exhaust of an internal combustion engine, having a reservoir, a delivery unit, and a flow path for the reducing agent. The apparatus also has a ventilation device for ventilating the flow path and is situated at a geodetic high point of the flow path and even in the closed state, permits a return of a minimal fluid quantity to the reservoir.

Apparatus for introducing a reducing agent into the exhaust of an internal combustion engine

Growing community of inventors

Puch bei Hallein, Austria

Johann Siller