The present disclosure relates to diffusion and/or filtration devices comprising hollow fiber membranes, e.g., ultrafilters for water purification, plasma filters, or capillary dialyzers for blood purification; housings and end caps for the devices; and methods for the production of the devices.

Module for gas separation that maintains moisture retention of a gas separation active layer at a uniform level has a composite hollow-fiber membrane configured as the interior of an exterior body and has a porous hollow-fiber support body and a gas separation active layer disposed on the surface of the hollow-fiber support body. The exterior body has a supply port and a discharge port for a first gas passing through the outer side of the composite hollow-fiber membrane, and a supply port and a discharge port for a second gas passing through the inner side of the composite hollow-fiber membrane. The first gas flows through a first space enclosed by the exterior body and the outer side of the composite hollow-fiber membrane and the second gas flows through a second space separated by the composite hollow-fiber membrane and the exterior body. The first space is filled with an absorbing solution.

The present invention concerns a filtration membrane bundle (30) comprising a plurality of elongated filtration fibers (40) arranged in a spiraled coil (34); and one or more filaments (50) woven around the plurality of elongated filtration fibers (40) binding one or more adjacent elongated filtration fibers (40) at a predetermined and homogeneous spacing (44,48) from one another wherein each elongated filtration fiber (40) is bound to respective adjacent elongated filtration fibers (40) in a co-planar configuration, and wherein the co-planar configuration of filtration fibers (40) are rolled into a coil (34). Furthermore, a filtration membrane assembly comprising the filtration membrane bundle (30) and a housing and method of providing the filtration membrane bundle (30) are disclosed.

A hollow fiber membrane bundle useful for manufacturing a wide variety of hollow fiber membrane modules having different flow configurations includes hollow fiber membranes arranged around a porous support tube, a cured resin tubesheet formed at first end of the bundle, and either a cured resin nub or a cured resin tubesheet formed at a second end of the bundle. The bore(s) of the hollow fiber membranes are open at a face of the tubesheet adjacent the first end of the bundle. The tubesheet has an annular structure that encapsulates the hollow fiber membranes and the porous support tube at the first end of the bundle but which does not completely block a bore of the porous support tube, wherein the collection tube has a plurality of orifices formed therein at least at positions adjacent the nub.

The present invention pertains to a hollow fiber membrane module (5) for removing gas from an objective liquid or supplying gas to the objective liquid, comprising: a hollow fiber membrane bundle (20); and a collecting member (51) configured to collect first ends (20a) of the hollow fiber membrane bundle (20) while maintaining openings of opened end portions (22a) of hollow fiber membranes (22) of the hollow fiber membrane bundle (20), wherein the collecting member (51) has a coupling portion configured to couple the collecting member (51) to an installation object in a detachable and liquid-tight manner.

The present invention relates to a method for manufacturing a hollow fiber membrane module by using an open hollow fiber membrane cartridge, and a hollow fiber membrane module manufactured by same, the method for manufacturing a hollow fiber membrane module according to an embodiment of the present invention comprising the steps of: preparing a hollow fiber membrane cartridge; opening the hollow fiber membrane cartridge; arranging a hollow fiber membrane on the opened hollow fiber membrane cartridge; and closing the hollow fiber membrane cartridge on which the hollow fiber membrane is arranged.

The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency due to a pressure difference between the inside and outside of a membrane humidifier, the membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprising: a middle case having a module insertion part inside; a cap case coupled to the middle case; a hollow fiber membrane module inserted to the module insertion part; and a pressure buffer part between the inner wall of the middle case and the module insertion part.

The present disclosure relates to devices and processes for the production of hollow fiber membrane bundles. The bundles are used for the manufacture of filtration and/or diffusion devices, e.g., capillary dialyzers.

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.

The invention provides a method and a device for manufacturing a hollow fiber membrane module. The present invention, by penetrating the hollow fiber membrane wires into the steel wires and performing rigidization treatment, greatly improves the rigidity of the hollow fiber membrane wire module, thereby avoiding the bending and deformation of or the damage of hollow fiber membrane wire module due to a small force during the production process, which greatly improves the production efficiency of the hollow fiber membrane module. The device of the present invention is used to achieve the above-mentioned method.