DELIVERY UNIT FOR A LIQUID ADDITIVE

摘要

The invention relates to a delivery unit (1) for a liquid additive, having a block (2) with ducts (3) on which at least one active component (4) for delivering the liquid additive is mounted, wherein at least three ducts (3) in the block (2) open into a cylindrical collecting chamber (5), and a deformable, sleeve-shaped element (6) is arranged in the collecting chamber (5).