Patent ID: 8561923

Claim:
A jet regulator, comprising: a jet fractioning device that is a perforated plate with walls forming a number of flow-through holes that are at a distance to each other, wherein at least some of the number of flow-through holes have a portion with a cylindrical or conically tapering cross-section in a flow direction of the jet regulator; and a plurality of reinforcement ribs that reinforce the perforated plate on a flat side of an upstream side and/or on a downstream side of the perforated plate, wherein the plurality of reinforcement ribs are located facing or facing away from the inflow side with a small side of their ribs, and wherein in an area where the plurality of reinforcement ribs abut the walls forming the number of flow-through holes, the plurality of reinforcement ribs have a different sized cross-section in the flow direction than the at least some of the number of flow-through holes.