公开(公告)号：US11780747B2

公开(公告)日：2023-10-10

申请号：US17046349

申请日：2019-04-09

Applicant: AQUA FREE GMBH

Inventor： Matthias Sauer

IPC: C02F1/28 ,  C02F1/44

CPC classification number: C02F1/283 ,  C02F1/444 ,  C02F2201/001 ,  C02F2201/003 ,  C02F2201/006 ,  C02F2307/00

Abstract: The invention relates to a filter device (100), particularly a filter cartridge (10), for water filters in aircraft comprising a housing (11), wherein the housing (11) comprises an entry region (12) for water to be filtered and a discharge region (24) for filtered water, and wherein a first filter unit (26) and a second filter unit (27) are arranged in the housing (11). The first filter unit (26) comprises an activated charcoal filter (28) and the second filter unit (27) comprises a microfilter (30).