公开(公告)号：US20230087869A1

公开(公告)日：2023-03-23

申请号：US17934954

申请日：2022-09-23

申请人： Pentair Water Pool and Spa, Inc.

发明人： Azur Dzindo ,  Thomas Johnson Safon ,  Sean McEwan ,  Yannic van Straalen ,  Ingo Blume ,  Remon Dekker ,  Joost Spits

IPC分类号： B01D61/16 ,  B01D63/04 ,  B01D63/06 ,  B01D63/10 ,  B01D61/18 ,  B01D65/02 ,  B01D24/10 ,  B01D24/46 ,  C02F1/00 ,  C02F1/44

摘要： A two-stage filter enclosed within a single vessel is provided. The two-stage filter is provided in the form of the vessel having a first filtration stage configured to capture particles of a first size, and a second filtration stage downstream of the first filtration stage and in fluid communication with the first filtration stage configured to capture particles of a second size, wherein the first size is larger than the second size. The first filtration stage may comprise a porous media. The second filtration stage may comprise one or more membrane filters.