Filter cartridge and apparatus for the filtration of liquids
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-035/30
B01D-027/00
B01D-027/02
B01D-029/11
B01D-029/00
B01D-024/00
출원번호
US-0534123
(2009-08-01)
등록번호
US-8114284
(2012-02-14)
우선권정보
DE-10 2004 026 188 (2004-05-28)
발명자
/ 주소
Walde, Hilmar
Gröss, Stefan
Guckes, Gunder
출원인 / 주소
BRITA GmbH
대리인 / 주소
Flaster/Greenberg P.C.
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
The invention describes an apparatus for the filtration of liquids and an associated filter cartridge 100, the correct seating of which is ensured and can be established by the user. The apparatus is characterized in that the inlet funnel 10 has at least one first fixing means 30 below the receiving
The invention describes an apparatus for the filtration of liquids and an associated filter cartridge 100, the correct seating of which is ensured and can be established by the user. The apparatus is characterized in that the inlet funnel 10 has at least one first fixing means 30 below the receiving opening 13, and in that the filter cartridge 100 has at least one second fixing means 130 below and at a distance from the sealing rim 160, which second fixing means, when the filter cartridge 100 is being fitted into the receiving opening 13, interacts with the first fixing means 30.
대표청구항▼
1. An apparatus for the filtration of liquids, having a filter cartridge (100), which includes a cartridge upper part (101) with at least one inlet opening (102), a cartridge lower part (110) with at least one outlet opening (113) and a sealing rim (160), and having an inlet funnel (10) with a perip
1. An apparatus for the filtration of liquids, having a filter cartridge (100), which includes a cartridge upper part (101) with at least one inlet opening (102), a cartridge lower part (110) with at least one outlet opening (113) and a sealing rim (160), and having an inlet funnel (10) with a peripheral wall (11), with a funnel base wall (12) and with a receiving opening (13), which is arranged in the funnel base wall (12) and into which the filter cartridge (100) can be fitted from above, the sealing rim (160) of the filter cartridge (100) bearing against an edge of the receiving opening (13),wherein the inlet funnel (10) has at least one first guide element (30) below the receiving opening (13),wherein the filter cartridge (100) has at least one second guide element (130) below and at a distance from the sealing rim (160), which at least one second guide element, when the filter cartridge (100) is being fitted into the receiving opening (13), interacts with the at least one first guide element (30),wherein one of the at least one first guide element is a first indentation,wherein the cartridge lower part comprises a bottom wall of the filter cartridge,wherein a second indentation is provided in the bottom wall of the filter cartridge, andwherein one of the at least one second guide element is an outwardly facing mandrel arranged in the second indentation. 2. The apparatus according to claim 1, wherein the first guide element (30) is arranged on a holding element (20) arranged at the underside of the funnel base wall (12). 3. The apparatus according to claim 2, wherein the holding element (20) is an arranged receiving chamber (14) in the funnel base wall (12), having the at least one outflow opening (17) therein, a base wall (16) and a peripheral wall (15). 4. The apparatus according to claim 3, wherein a base wall (16) of the receiving chamber (14) has the first indentation (31), and wherein the base wall (112) of the filter cartridge (100) has the second indentation (131), which engages over the first indentation (31) in the receiving chamber (14). 5. The apparatus according to claim 4, wherein the first indentation (31) is a cylindrical or frustoconical hollow body (32), which is formed integrally on the base wall (16) of the receiving chamber (14), faces inwards and has at least one inwardly facing first bead (34), which is in the shape of an arc of a circle and leaves clear at least one outflow opening (17), arranged on its free edge (33), and wherein an outwardly facing mandrel (132), which engages in the cylindrical or frustoconical hollow body (32) when fitting the filter cartridge (100), is arranged in the second indentation (131). 6. The apparatus according to claim 5, wherein the mandrel (132), on its outer side, has at least one second bead (135) in the shape of an arc of a circle, which engages behind the first bead (34) during fitting of the filter cartridge (100). 7. The apparatus according to claim 5, wherein the hollow body (32) and the mandrel (132) are each arranged centrally. 8. The apparatus according to claim 5, wherein the receiving chamber (14) has the first indentation (31) in the region of base and peripheral walls (15, 16), and wherein the filter cartridge (100) has the second indentation (131) likewise in its peripheral and base walls (111, 112). 9. The apparatus according to claim 3, wherein at least one throttling device (200, 200′) is arranged between the outlet opening (113) of the filter cartridge (100) and the outflow opening (17) of the receiving chamber. 10. The apparatus according to claim 9, wherein the throttling device (200, 200′) reduces the flow quantity delivered by the filter cartridge (100) by >0%-95%. 11. The apparatus according to claim 9, wherein the filter cartridge (100) is arranged in a region between outlet opening (113) and outflow opening (17), at a distance from the peripheral wall (15) and/or base wall (16) of the receiving chamber (14), with the result that a flow passage (201) is formed, and wherein a minimum cross section of the flow passage (201, 202) forms the throttling device (200, 200′). 12. The apparatus according to claim 10, wherein at least one of the guide elements (30, 130) forms the throttling device (200, 200′). 13. The apparatus according to claim 12, wherein the first and second indentations (31, 131), at least in subregions, are arranged at a distance from one another. 14. The apparatus according to claim 9, wherein the outflow opening (17) forms the throttling device (200, 200′), a cross section of the outflow opening (17) being smaller than a cross section of the outlet opening (113) in the filter cartridge (100). 15. The apparatus according to claim 9, wherein the throttling device (200, 200′), for a predetermined filter cartridge (100), can be set by selecting a receiving chamber (14) of suitable dimensions or with a suitable cross section of the outflow opening (17). 16. The apparatus according to claim 3, wherein the outflow opening (17) in the receiving chamber (14) is arranged above the outlet opening (113) in the filter cartridge (100). 17. A filter cartridge which includes a cartridge upper part (101) with at least one inlet opening (102), a cartridge lower part (110) with at least one outlet opening (113) and a sealing rim (160), wherein at least one guide element (130) is arranged below and at a distance from the sealing rim (16), the cartridge lower part (110) comprising a bottom wall (112) of the filter cartridge, wherein at least one indentation (131) is provided in the bottom wall of the filter cartridge, and wherein at least one of the at least one guide element (130) is an outwardly facing mandrel (132) arranged in the indentation. 18. The filter cartridge according to claim 17, wherein outflow openings (113) are arranged in the bottom wall (112) of the filter cartridge. 19. The filter cartridge according to claim 17, wherein the mandrel (132) is formed integrally with the indentation (131). 20. The filter cartridge according to claim 17, wherein the sealing rim (16) is provided in a connection region of the cartridge upper part (101) and cartridge lower part (110). 21. The filter cartridge according to claim 20, wherein the cartridge lower part (110) further comprises a peripheral wall (111) of the filter cartridge. 22. The filter cartridge according to claim 17, wherein the mandrel (132) forms a fixing means (130) comprising at least one latching element. 23. The filter cartridge according to claim 22, wherein the latching element comprises at least one of a latching boss, a latching recess and an annular bead. 24. The filter cartridge according to claim 23, wherein the latching element comprises a bead (135) on the outer surface of the mandrel (132). 25. A filter cartridge which includes a cartridge upper part (101) with at least one inlet opening (102), a cartridge lower part (110) with at least one outlet opening (113) and a sealing rim (160), wherein the cartridge lower part (110) comprises a peripheral wall (111) of the cartridge and a bottom wall (112) of the filter cartridge,wherein the sealing rim (160) is provided in a connecting region between the cartridge lower part (110) and the cartridge upper part (101),wherein at least one guide element is arranged below and at a distance from the sealing rim (160),wherein at least one indentation (131) is provided in the bottom wall (112) of the filter cartridge, andwherein one of the at least one guide elements is an outwardly facing mandrel (132) arranged in the indentation (131).
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이 특허에 인용된 특허 (12)
Reid Roger P. (1920 Alder St. Caldwell ID 83605), Filter cartridge.
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