Dosing module

Abstract

A dosing module (10) for dosing an auxiliary liquid into a flow of a main liquid, comprising: a housing (12) with an inlet port (14) and an outlet port (18) and with a flow duct (16), formed in between, for the main liquid, an auxiliary port (22) which is provided in the housing (12) and which serves for the supply of the auxiliary liquid into the flow duct, a mixing device (20) which is provided in a mixing section (16B) of the flow duct and which serves for mixing the main liquid and the auxiliary liquid, characterized in that the dosing module furthermore comprises: a bypass section (16C) for conducting the flow of main liquid to the outlet port so as to bypass the mixing device, and a directional valve (24, 25; 42; 44, 48; 52) which is designed to connect the outlet port, in a dosing position, to the mixing section and, in a bypass position, to the bypass section.

Dependencies are inferred from the claim text.