The invention relates to a filtration system that includes one or more flat filter, capillary tube filter, or wound filter modules having a single or double permeate drain on the edge side and fluid couplings for connecting the filter modules to a fluid distributor or additional filter modules. The
The invention relates to a filtration system that includes one or more flat filter, capillary tube filter, or wound filter modules having a single or double permeate drain on the edge side and fluid couplings for connecting the filter modules to a fluid distributor or additional filter modules. The fluid couplings include at least one passage each for permeate fluid, raw fluid, and concentrate fluid.
대표청구항▼
1. A filtration system, comprising one or more filter modules andone or more fluid couplings for coupling the filter modules to (i) a fluid distributor or (ii) further filter modules,wherein the filter modules are configured as wound filter modules comprising one or more filter elements having edge
1. A filtration system, comprising one or more filter modules andone or more fluid couplings for coupling the filter modules to (i) a fluid distributor or (ii) further filter modules,wherein the filter modules are configured as wound filter modules comprising one or more filter elements having edge regions in which, in each case, two or three of the edge regions are sealed in a fluidtight manner, with two of the edge regions sealed in a fluidtight manner running substantially in an axial direction between two end sides of the filter module, each filter element comprising two filter membranes and a drainage layer located in-between, with single or double permeate outlets formed from openings in a remaining filter element edge(s) at the filter module end side(s), with said openings providing fluid communication between the drainage layer and the fluid coupling(s);the filter modules comprise one or two end walls, with at least one end wall having permeate outlet openings and one or more ducts for concentrate fluid;the fluid couplings have at least one duct for permeate fluid,the duct for permeate fluid is connected to the permeate outlet openings andthe fluid coupling has at least one duct for concentrate fluid isolated in a fluidtight manner from the duct for permeate fluid. 2. The filtration system as claimed in claim 1, wherein the fluid coupling has at least one duct for untreated fluid isolated in a fluidtight manner from the duct for permeate fluid. 3. The filtration system as claimed in claim 1, wherein the fluid coupling comprises a coupling body of single-piece, two-piece or three-piece design. 4. The filtration system as claimed in claim 1, wherein the fluid coupling comprises a single-piece coupling body having at least one permeate reservoir, the permeate reservoir being connected to the duct for permeate fluid and to the permeate outlet openings of the filter modules. 5. The filtration system as claimed in claim 4, wherein an end wall is provided with one or more ducts for concentrate fluid and the single-piece fluid coupling comprises at least one concentrate reservoir in the form of an annularly encircling recess sealed via annular seals to said ducts for concentrate fluid in the end wall, and the concentrate reservoir is connected to the duct for concentrate fluid within said fluid coupling. 6. The filtration system as claimed in claim 1, wherein the fluid couplings comprise seals. 7. The filtration system as claimed in claim 1, wherein at least one end wall of the filter module has one or more ducts for permeate fluid. 8. The filtration system as claimed in claim 7, wherein at least one end wall of the filter module has one or more ducts for untreated fluid. 9. The filtration system as claimed in claim 1, wherein the filter modules comprise a housing. 10. The filtration system as claimed in claim 9, wherein the housing of the filter modules is of tubular configuration. 11. The filtration system as claimed in claim 1, wherein the filter modules comprise one or more untreated fluid lines, a wall of the untreated fluid lines having outlet openings. 12. The filtration system as claimed in claim 1, wherein the filter modules have an active filtration surface of greater than 50 m2, and the flat filter elements comprise two filter membranes laminated to a drainage layer. 13. The filtration system as claimed in claim 12, wherein the filter modules have an active filtration surface of greater than 250 m2. 14. The filtration system as claimed in claim 12, wherein the filter modules have an active filtration surface of greater than 1000 m2. 15. The filtration system as claimed in claim 1, wherein the fluid coupling is a single-piece design and comprises (i) more than one permeate fluid duct and a distributor chamber in the form of an annularly encircling recess to connect the permeate fluid ducts and (ii) more than one concentrate fluid duct and a distributor chamber in the form of an annularly encircling recess to connect the concentrate fluid ducts. 16. The filtration system as claimed in claim 1, wherein said filter modules comprise at least one end wall having permeate outlet openings: the fluid coupling comprises a single-piece coupling body having a first permeate reservoir in the form of an annularly encircling recess sealed via annular seals to the permeate outlet openings in the filter module end wall, with said first permeate reservoir connected to the duct for permeate fluid within said fluid coupling. 17. The filtration system as claimed in claim 1, wherein the filter module is a wound filter module,the fluid coupling further has at least one duct for untreated fluid isolated in a fluidtight manner from the duct for permeate fluid;the filter modules comprise one or two end walls, with at least one end wall having permeate outlet openings,at least one end wall of the filter module has one or more ducts for untreated fluid, andat least one end wall of the filter module has one or more ducts for concentrate fluid. 18. The filtration system as claimed in claim 1, wherein the filtration system comprises filter modules having two end walls and one or more conduits for permeate fluid connecting the end walls.
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이 특허에 인용된 특허 (7)
Kriesel Marshall S. (Saint Paul MN) Thompson Thomas N. (Richfield MN), Closed drug delivery system.
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