Vortex generators for common dirty water - and in a downpipe faekalienablauf

摘要

P the invention relates to an improvement to the devices for the descent of waste waters and valves in a single pipe, by the internal secondary ventilation / p & & p & the object of the invention is a circular ring, provided with inclined blades, which is fixed in the connectors standardized, and which enables the gyration of the column of water descending, with the formation, by a vortex effect, a central air, which ensures balancing the pressures upstream and downstream. / p & & p & application to the lowering of waste waters and valves in a single pipe in buildings with several stages. / p