US 12,227,432 B2
Filter cartridge
Phillip Bunnemann, Dornburg (DE); Tobias Schuler, Dreieich (DE); Falk Schuricht, Wiesbaden (DE); and Emre Oguz, Hattersheim (DE)
Assigned to BRITA SE, Taunusstein Hessen (DE)
Appl. No. 17/618,003
Filed by BRITA SE, Taunusstein Hessen (DE)
PCT Filed Jul. 10, 2020, PCT No. PCT/EP2020/069534
§ 371(c)(1), (2) Date Dec. 10, 2021,
PCT Pub. No. WO2021/013581, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 19187410 (EP), filed on Jul. 19, 2019.
Prior Publication US 2022/0242748 A1, Aug. 4, 2022
Int. Cl. B01D 29/11 (2006.01); C02F 1/00 (2023.01); C02F 1/28 (2023.01); C02F 1/42 (2023.01)
CPC C02F 1/003 (2013.01) [B01D 29/111 (2013.01); C02F 1/283 (2013.01); C02F 1/42 (2013.01); C02F 2201/006 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A filter cartridge, in particular gravity-operated filter cartridge, comprising:
a body portion with at least one water outlet and a head portion with at least one water inlet and at least one air outlet, the head portion being arranged on top of the body portion, the body portion and the head portion together forming a housing with an inner volume (IV), the head portion having a lower rim defining a bottom opening of the head portion,
the filter cartridge further comprising a mesh located in the inner volume (IV) and attached to the head portion along the lower rim, the mesh separating the inner volume (IV) into an upper volume (UV) defined by the mesh and the head portion and a lower volume (LV) defined by the mesh and the body portion, treatment media being arranged in the lower volume (LV), and
at least one holding-down device for the mesh, the holding-down device being movable from a standby position into an active position, in which the holding-down device is located inside the upper volume at least partially between the mesh and the bottom opening,
wherein the head portion is provided with an aperture through which the holding-down device may be introduced into the upper volume (UV).