The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 2024
Filed:
Jan. 31, 2024
Applicant:
A. O. Smith Corporation, Milwaukee, WI (US);
Inventor:
Yizhi Hou, Milwaukee, WI (US);
Assignee:
A. O. Smith Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/08 (2006.01); B01D 61/02 (2006.01); B01D 61/04 (2006.01); B01D 63/10 (2006.01); C02F 1/28 (2023.01); C02F 1/44 (2023.01); C02F 101/12 (2006.01); C02F 101/32 (2006.01); C02F 101/38 (2006.01);
U.S. Cl.
CPC ...
B01D 61/08 (2013.01); B01D 61/025 (2013.01); B01D 61/04 (2013.01); B01D 63/10 (2013.01); C02F 1/283 (2013.01); C02F 1/441 (2013.01); B01D 2311/04 (2013.01); B01D 2313/042 (2022.08); B01D 2313/44 (2013.01); C02F 2101/12 (2013.01); C02F 2101/322 (2013.01); C02F 2101/38 (2013.01);
Abstract
A cartridge filter includes a feedwater inlet, a first outlet and a second outlet, a tube arranged at the center of the cartridge filter, an interior volume of the tube being in fluid communication with the first outlet, and a spiral wound filter assembly extending radially outward from the central tube and including a prefilter, a reverse osmosis filter, and a postfilter. The prefilter is located radially outward from the reverse osmosis filter and the postfilter.