Patent ID: 8349181
Filing Date: 2013-01-08
Classification: A61C,B01D,C02F

Abstract:
1. A filter cartridge for purifying a flow of dental waste waters comprising: a housing which comprises a waste water inlet and a pure water outlet, wherein the housing has in an interior space in which a first filter material and a second filter material are arranged that are flow-connected in series, wherein the first filter material and the second filter material have different filter properties, wherein between the first filter material, through which the flow passes first, and the second filter material, through which the flow passes second, there is arranged a baffle part, and, wherein the baffle part comprises a dish-shaped bottom and a calming wall on a top side of the dished-shaped bottom, the calming wall contacting a bottom wall that supports the second filter material, wherein the calming wall, together with the bottom wall supporting the second filter material, and the dish-shaped bottom define a path extending parallel to the bottom wall supporting the second filter material so that waste water flowing from the first filter material into the path is allowed to enter the second filter material through the bottom wall supporting the second filter material.