Domestic drinking water filter - has three filter stages and regeneration stage and compact plastic housing contg. filters in cartridge form

摘要

In front of the filter cartridges (3) is connected a regenerating cartridge with a regeneration medium. In the filter housing (2) and connected to the filter cartridges (3) is a sterilising appts. (5) with an ultraviolet light source. Around the ultraviolet light tube (9) are two enclosing spiral tubes (10, 11) made of transparent material, each with an inlet (10a, 11a) for the water to be sterilised and an outlet (10b, 11b) for the sterilised water. The one spiral tube (10) is inserted in the feed conduit (12) to and the other spiral tube (11) in the outlet (13) conduit from the filter cartridge (3). In the filter housing is a container (6) for cleaning medium, which is connectable via a connecting conduit (26) with a cut-off valve (25) to the sterilising appts. (5). USE/ADVANTAGE - To filter and sterilise domestic drinking water. Reduces space requirement, and can match the individual requirements of households.