A cartridge type hollow fiber membrane module including a housing, a hollow-fiber membrane bundle having a plurality of hollow fiber membranes, a first potting part that bonds the hollow fiber membranes at at least one end of the bundle of the plurality of hollow fiber membranes such that the hollow fiber membranes are open, and a sealing material that fixes the first potting part to the housing liquid-tightly, wherein the first potting part comprises an inner potting part and an outer potting part, wherein the inner potting part and the outer potting part are both formed of a potting material, wherein the sealing material is in contact with the outer potting part, and wherein both the inner potting part and the outer potting part are formed in a sealing direction of the sealing material. The cartridge type hollow fiber membrane module is free of leakage and contamination due to separation of a potting material even when steam sterilization is performed.

A hollow fiber module (1, 1) is made by inserting a bundle of hollow fibers (3) into a housing (2, 2) that has an end closed by a cap (17). A fluid first component (27) that can assume a solid state is introduced into a space adjacent the cap (17) and forms a spacer into which ends of the hollow fibers (6, 7) project. A fluid curable second component (4) is introduced before the first component (27) via a second inflow (28) and is cured to form a sealing layer (9) that embeds the bundle of hollow fibers (3) and seals it with respect to the adjacent housing wall (29, 29). The cap (17) is removed from the module housing (2, 2) along with the first component (27) and ends of the hollow fibers (6) embedded in the first component (27).

A thermoplastic blended potting resin, a blended resin potted membrane, a membrane separation module, a fluid separation device, a method of making and a method of using the membrane separation module and the fluid separation device are described herein. The blended thermoplastic potting resin comprises at least one polar membrane having two end regions and a middle region; and a blended resin comprising a non-polar thermoplastic polymer and a polar thermoplastic polymer; wherein at least one of the two ends regions is coated with the blended potting resin to form a fluid-tight seal between the end regions and the open middle region, and wherein the polar thermoplastic polymer is 1% or greater by weight of blended resin.

A membrane distillation module comprising a membrane distillation cartridge and a membrane distillation housing, wherein: the cartridge comprises a anchoring part in which porous membranes are anchored by resin; the housing comprises a housing body and a housing lid; the membrane distillation module comprises a support part where the outer surface of the anchoring part is supported by the inner surface of the housing with a seal member interposed therebetween; and a value C in the cross section of the support part is at least 30 C. as represented by the formula, where d.sub.F is the equivalent circular diameter (mm) of the outer circumference of the anchoring part, k.sub.F is the linear expansion coefficient (1/ C.) of the resin, d.sub.E is the equivalent diameter (mm) of the inner circumference of the housing, and k.sub.E is the linear expansion coefficient (1/ C.) of a portion where the housing contacts the seal member.

A membrane humidifier includes buffering and spacing structures each interposed between adjacent hollow fiber membranes of a plurality of hollow fiber membranes arranged in a housing of the membrane humidifier, wherein the buffering and spacing structures buffer a pressure of air supplied from an air blower and maintain a spacing between the adjacent hollow fiber membranes.

The invention relates to a method for producing a device for material exchange between two mediums, in which at least one mat of semipermeable hollow fibres (3) is wound onto a winding core (2), which has at least one core opening (2a) in its outer surface for a first in- or out-flowing medium, and the winding core (2) is arranged in an axially extending housing (1) having at least one housing opening (1a) for the first in- or out-flowing medium, and the axial end regions of the housing (1) are sealed by an adhesive (4) arranged around the hollow fibres (3), wherein at least one chamber region (5) surrounding the hollow fibres (3) is formed via the adhesion between the axial end regions (1b, 1c) of the housing (1) and between the winding core (2) and the housing (1), through which chamber region the first medium can flow via the core opening (2a) and the housing opening (1a), wherein the axial distance between the core opening (2a) and the housing opening (1a) is adjusted to a desired value of multiple possible values via the axial shifting of the winding core (2) relative to the hollow fibre winding (3) arranged around the winding core (2) and relative to the housing (1), and the hollow fibres (3) are adhered to the side of the housing (1) near to the housing opening (1a) in a region between the axial end surface of the housing and the housing opening (1a), and the hollow fibres (3) are adhered to the side of the housing (1) near to the core opening (2a) in a region between the axial end surface of the housing and the core opening (2a). The invention also relates to a number of multiple devices for material exchange between two mediums, wherein all devices comprise at least identical housings (1) and winding cores (2) that are identical at least in regions.

A hollow fiber module (1, 1) is made by inserting a bundle of hollow fibers (3) into a housing (2, 2) that has an end closed by a cap (17). A fluid first component (27) that can assume a solid state is introduced into a space adjacent the cap (17) and forms a spacer into which ends of the hollow fibers (6, 7) project. A fluid curable second component (4) is introduced before the first component (27) via a second inflow (28) and is cured to form a sealing layer (9) that embeds the bundle of hollow fibers (3) and seals it with respect to the adjacent housing wall (29, 29). The cap (17) is removed from the module housing (2, 2) along with the first component (27) and ends of the hollow fibers (6) embedded in the first component (27).

The present disclosure provides a membrane humidifier for a fuel cell including: a case; a hollow fiber membrane module covering the case; a housing coupled to both ends of the hollow fiber membrane module; a plurality of hollow fiber membranes arranged in the case; and a hollow fiber membrane guide structure installed at one end or both ends of the hollow fiber membrane module and having a potting material layer formed therein to fix the plurality of hollow fiber membranes.

A filter module provides biotechnological filtration possibilities lessening the danger of contamination while achieving an optimum flow profile. The filter module 100 includes filter housing 110, a filter with a bundle of hollow fibres 114 and a centrifugal pump rotor 132. The filter is arranged in the filter housing 110 such that the centrifugal pump rotor 132 forces a biotechnological liquid into the interior of the hollow fibres 114 via an inlet flow path where liquid enters the filter module perpendicular to a longitudinal axis of the filter, flows into a hollow centre of the centrifugal pump rotor and is thereafter deflected to flow parallel to the longitudinal axis of the filter before entering the hollow fibers of the filter flowing parallel to the longitudinal axis. A filtration device 1100, 1200, 1300 includes filter module 100 and a drive unit for magnetically driving the centrifugal pump rotor 132.

The present disclosure relates to a process and an apparatus for potting hollow fiber membranes in a diffusion and/or filtration device, e.g., an ultrafilter or a capillary dialyzer.