The invention describes an apparatus for the filtration of liquids and an associated filter cartridge 100, wherein the quantitative flow through the filter cartridge can be reduced and set in a simple way. The apparatus is characterized in that at least one throttling device 200, 200′ is arranged be
The invention describes an apparatus for the filtration of liquids and an associated filter cartridge 100, wherein the quantitative flow through the filter cartridge can be reduced and set in a simple way. The apparatus is characterized in that 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 14.
대표청구항▼
1. 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 peripher
1. 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 bearing against the edge of the receiving opening (13), a receiving chamber (14), which has at least one outflow opening (17) as well as a peripheral wall (15) and base wall (16), extending downwards from the receiving opening, wherein the inlet funnel (10) has an at least one first fixing means (30) below the receiving opening (13), the filter cartridge (100) has an at least one second fixing means (130) below and at a distance from the sealing rim (160), wherein the at least one second fixing means interacts with the at least one first fixing means (30) when the filter cartridge (100) is being fitted into the receiving opening (13), so that the at least one first and second fixing means (30, 130) indicate to a user when the cartridge is in position, define the position of the filter cartridge (100), and fix the cartridge axially in place and that at least one first fixing means (30) and/or the at least one second fixing means (130) forms a throttling device (200, 200′), to reduce the flow quantity delivered by the filter cartridge (100). 2. The apparatus according to claim 1, wherein the throttling device (200, 200′) reduces the flow quantity delivered by the filter cartridge (100) by >0%-95%. 3. The apparatus according to claim 1, wherein the throttling device (200, 200′), can be set by selecting a receiving chamber (14) of suitable dimensions for a predetermined filter cartridge (100). 4. The apparatus according to claim 1, wherein the outflow opening (17) in the receiving chamber (14) is arranged above the outlet opening (113) in the filter cartridge (100). 5. The apparatus according to claim 1, wherein the filter cartridge (100) can be fitted into the receiving opening (13) in the axial direction. 6. The apparatus according to claim 1, wherein the second fixing means (130) is arranged in the region of the lower half of the filter cartridge (100). 7. The apparatus according to claim 6, wherein the second fixing means (130) is arranged in the region of the bottom third of the filter cartridge (100). 8. The apparatus according to claim 6, wherein the second fixing means (130) is arranged in the region of the base wall (112) of the filter cartridge (100). 9. The apparatus according to claim 1, wherein the first and/or second fixing means (30, 130) are spacer elements and/or guide elements and/or latching elements. 10. The apparatus according to claim 9, wherein the latching elements comprise latching bosses (38), latching recesses (138) or annular beads (34, 135). 11. The apparatus according to claim 1, wherein the first and the second fixing means (30, 130) are projections or recesses. 12. The apparatus according to claim 11, wherein the projections or recesses are cylindrical, conical or frustoconical. 13. The apparatus according to claim 1, wherein the base wall (16) of the receiving chamber (14) has at least one first indentation (31), and a base wall (112) of the filter cartridge (100) has at least one second indentation (131), which engages over the first indentation (31). 14. The apparatus according to claim 13, wherein the first and second indentations (31, 131), at least in subregions, are arranged spaced apart from one another. 15. The apparatus according to claim 13, 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 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). 16. The apparatus according to claim 15, 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). 17. The apparatus according to claim 15, wherein the hollow body (32) and the mandrel (132) are each arranged centrally. 18. The apparatus according to claim 13, wherein the receiving chamber (14) has the first indentation (31) in the region of base and peripheral walls (15, 16), and the filter cartridge (100) has the second indentation (131) likewise in its base wall (112) and in a peripheral wall (111) of the filter cartridge (100). 19. The apparatus according to claim 13, wherein the first and second indentations (31, 131) are designed in a cuboidal form. 20. The apparatus according to claim 13, wherein the first indentation (31) has first latching means on two of its side walls (40, 41), and the second indentation (131) has second latching means on two of its side walls (140, 141). 21. The apparatus according to claim 1, wherein the sealing rim (160) is a snap-action rim (161), which is connected to one of the two cartridge parts (101, 110) via an integral hinge (162), it being possible for the snap-action rim (161) to be flipped from a first, lower snap-action position into an upper, second snap-action position, and vice versa, and the funnel base (12) has a sealing seat (60), which surrounds the receiving opening (13) and into which the snap-action rim (161) snaps in its second position. 22. The apparatus according to claim 21, in which the cartridge upper part (101) has an outwardly facing first securing flange (120) and the cartridge lower part (110) has an outwardly facing second securing flange (121), via which the two cartridge parts (101, 110) are connected, characterized in that the snap-action rim (161) is connected to one of the two securing flanges (120, 121) via the integral hinge (162). 23. The apparatus according to claim 21, wherein the sealing seat (60) merges into a conically projecting rim section (61) with an inwardly open abutment section 62), on which the outer edge (164) of the snap-action rim (161) engages. 24. The apparatus according to claim 23, wherein the abutment section (62) is a groove (63). 25. The apparatus according to claim 23, wherein the abutment section (62) is a step (64) with at least one inclined surface (65).
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Reid Roger P. (1920 Alder St. Caldwell ID 83605), Filter cartridge.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.