Abstract: Spiral wound reverse osmosis devices with reduced lateral leakage and thereby increased salt rejection are made by compacting a microporous layer within a composite reverse osmosis membrane longitudinally along its lengthwise periphery. Means and method for causing longitudinal indentations in composite membranes during manufacturing operations are disclosed and described.

Abstract: A parallel assembly (2; 11; 51) of chromatography column modules (3a,b,c; 13a,b,c; 53a,b,c, 90a, b) connected in a rigid housing (21; 61), the assembly having one common assembly inlet (15; 55) and one common assembly outlet (17; 57), each column module comprising a bed space (29) filled with chromatography medium and each column module comprises integrated fluid conduits which when the column module is connected with other column modules in the rigid housing are adapted to connect the bed space (29) of the column module with the assembly inlet (15; 55) and the assembly outlet (17; 57), wherein the total length and/or volume of the fluid conduit from the assembly inlet to one bed space together with the length and/or volume of the fluid conduit from the same bed space to the assembly outlet is substantially the same for all bed spaces and modules installed in the parallel assembly.

Abstract: A filter assembly, comprising an open top housing comprising an inlet and an outlet; a filtering unit configured to be positioned within the housing, the filtering unit comprising a filter; a mounting arm connected to the d housing; and a fastener actuatable for extension from the mounting arm; wherein: iv) in a first position, the mounting arm is moved away from the open top of the housing; v) in a second position, the filtering unit is positioned within the housing, the mounting arm is positioned on top of the housing, and the mounting arm secures the filter within the housing; vi) in a third position, the filter is being positioned within the housing, the mounting arm is positioned on top of the housing and connected to the housing in fluid tightness, the mounting arm secures the filter in fluid tightness within the housing; and the inlet and the outlet of the housing are opened to a flow of fluid to be filtered through the filter.

Abstract: A filter element for a fluid has a filter medium arranged in annular shape about a longitudinal axis to be flowed through by the fluid to be filtered radially. A coaxial outlet socket is arranged at an end of the filter element facing upwardly in filtering operation. The coaxial outlet socket has a fluid outlet channel for filtered fluid and a venting channel that vents a clean side and/or a raw side of the filter element. The venting channel coaxially surrounds the fluid outlet channel radially and extends at least in sections thereof in axial direction. A filter system is provided with a filter head that has a fluid inlet conduit, a fluid outlet conduit for filtered fluid, and a venting conduit, wherein the filter element is suspended from the filter head.

Abstract: An aqueous fluid filter assembly with aeration mitigation includes a cap, a bowl engaging the cap and defining a filter volume, and a filter element disposed in the filter volume. The filter element is sealed against an interior of the cap and an interior of the bowl to provide an unfiltered volume and a filtered volume. An inlet is in fluid communication with the unfiltered volume and an outlet is in fluid communication with the filtered volume via a pickup section. The pickup section has a pick-up section inlet extending into the filtered volume and an air-metering orifice, wherein the air-metering orifice has a diameter less than 30% of the diameter of the pick-up section inlet and the pick-up section inlet is located below the air-metering orifice.

Abstract: A filter arrangement may include a filter housing and a ring filter element arranged in the filter housing. The ring filter element may include an upper end plate, a lower end plate, and a filter material arranged therebetween. An axially projecting pin may be disposed on the lower end plate and may engage into a channel on a filter housing side. The filter arrangement may also include a tubular dome which may engage into an interior of the ring filter element. The tubular dome may have a guide contour. The guide contour may cooperate with a guide element arranged on the ring filter element and may have an axial groove. The guide contour may be configured as at least one of a circular ramp and a chamfered cannula. On the upper end plate, an axial stop may project into the interior of the ring filter element.

Abstract: A water generation system for a vehicle comprises: a first container to collect liquid water generated from the condensation of water vapor; a filter to filter the liquid water, the filter in fluid flow communication with the first container; a second container to store the liquid water that the filter filtered, the second container (i) in fluid flow communication with the filter and (ii) configured to hold a larger volume of the liquid water than the first container; and a source of ultraviolet light that, when activated, emits the ultraviolet light into at least one of the first container and the second container. The water generation system can further comprise an agitator that is configured to agitate the liquid water disposed within either the first container or the second container, and a cooling element configured to withdraw heat from the liquid water within the water generation system.

Abstract: Inside a tank body storing a liquid, a return filter is provided protruding downward from an upper surface of the tank body, and a substantially plate-like (plate-shaped) float is also provided that is inserted into the tank body and floats in accordance with change in a liquid surface of the liquid stored in the tank body. The float is provided with an opening larger than a diameter of a filter case, and in a plan view, the float is disposed between the tank body and the filter case.

Abstract: A filter element having a central axis includes a first endplate having a first central aperture, a second endplate having a second central aperture, a filter material positioned between the first endplate and the second endplate and having an axial passageway extending therebetween and along the central axis, the axial passageway axially aligned with the first central aperture and the second central aperture. The filter element includes a plurality of fingers attached to the first endplate and positioned circumferentially about the central axis and extending parallel therewith, each finger having a lip that extends from a surface of its respective finger for axial engagement with a respective nodule, of a plurality of nodules, of a filter head.

Abstract: An inner case being substantially cylindrical and being covered at an upper end is provided to cover a heater being substantially rod-shaped. A float being substantially plate-shaped and having substantially the same inner diameter as an inner diameter of the inner case is provided movably in the vertical direction in the inner case, and in the float, a hole through which the heater is inserted is formed. Gas is enclosed in a space surrounded by the inner case and the float. The length in the vertical direction of the inner case is smaller than the length in the vertical direction of the heater. In addition, when the float is positioned at a lower end of the inner case, a gap exists between the float and a bottom surface of a filter case.

Abstract: A spin-on filter assembly with replaceable coreless element comprises: a reusable spin-on housing including a filter bowl having sealing structure on a bottom of the filter bowl and a sealing structure on a top of the filter bowl; a center support tube integral with the filter bowl and including a perforated tube and an upper portion having an threaded coupling allowing for the filter assembly to threaded into position and an exterior sealing structure; and a replaceable coreless filter element mounted on the central support tube within the filter bowl and having filter media, a lower sealing structure configured to engage with the sealing structure on the bottom of the filter bowl and an upper sealing structure configured to engage with the exterior sealing structure on the center support tube.

Abstract: An adaptor plug for a spin-on fluid filter, in particular for a spin-on return filter, wherein the adaptor plug comprises a plug-in end which is designed to be plugged into a cavity in a flange of a hydraulic device in a fluid tight manner and a filter end which is designed to be connected to the spin-on filter in a fluid tight, detachable manner and at least one internal fluid channel connecting said plug-in end with said filter end, wherein the adaptor plug at its filter end comprises a threaded tube or bolt on which the spin-on filter can be screwed. By this design, the use of a filter set with or without an adaptor ring between the adaptor plug and the filter is enabled. By the adaptor plug, the spin-on filter can be applied to a variety of hydraulic devices, among others, with a ¾ 16 UNF cavity.

Abstract: A parallel assembly of chromatography column modules, the assembly having one common assembly inlet and one common assembly outlet, each column module comprising a bed space filled with chromatography medium and each column module comprises integrated fluid conduits which when the column module is connected with other column modules are adapted to connect the bed space of the column module with the assembly inlet and the assembly outlet, wherein the total length and/or volume of the fluid conduit from the assembly inlet to one bed space together with the length and/or volume of the fluid conduit from the same bed space to the assembly outlet is substantially the same for all bed spaces and modules installed in the parallel assembly.

Abstract: The present invention provides a foldable oil filter unit that a drain pin thereof can be easily separated. The foldable oil filter includes a cap receiving a filter; a drain pin disposed on a bottom side of the filter; and a capturing part disposed on a bottom side of the filter and detachably, rotatably capturing the drain pin.

Abstract: A filter device for fluids has a filter housing (1), in which element receptacles (31) for a plurality of filter elements (33) are provided. The filter medium (35) of the filter elements (33) separates in the filter housing (1) a dirt side (5) from a clean side (7). The filter housing (1) can be opened for inserting and removing the filter elements (33). For the filter elements (33), a support basket (19) is provided, which can be inserted into the filter housing (1) and removed from the filter housing (1) and to which the filter elements (33) can be detachably fixed. The filter elements (33) have, in addition to the filter medium (35) for particle filtration, an adsorption medium (36).

Abstract: A pedestal for use with a canister filter system and a filter element for positioning and retaining the filter element in the canister filter system includes an at least partially annular body defining a longitudinal axis, a radial direction, and a circumferential direction. Also, the pedestal includes an annular wall that terminates at a bottom free end, and that defines a slot that extends axially upwardly and circumferentially from the bottom free end. A flow aperture extends through the annular wall that is disposed axially above the slot.

Abstract: A microfluidic assembly can include a first microchannel substrate defining one or more first microchannels, a second microchannel substrate defining one or more second microchannels. The assembly can further include a membrane positioned between the first and second microchannel substrates and comprising a first polymeric layer, a second polymeric layer, and one or more graphene layers disposed between the first and second polymeric layers. At least a portion of the first microchannels can overlap at least a portion of the second microchannels such that, when a first fluid is present in the first microchannels and a second fluid is present in the second microchannels, the first fluid and the second fluid contact opposite sides of the membrane.

Abstract: A spin-on filter cartridge includes a flange with peripheral holes for entrance, and a middle hole for exit. The cartridge includes a container with a cylindrical side wall having a base at a first end, and an opening at a second end. The flange reversibly occludes the opening. The container reversibly connects to the flange by a bayonet. The cartridge includes a filter unit including a cylindrical side wall having a base at a first end, and an opening at a second end. The bases oppose each other, the filter unit opening opposing the flange. The filter unit rotates integrally with the container. A spring between the bases pushes the filter unit towards the flange, the filter unit dividing the space into a first compartment, outside the filter unit, accessible by peripheral holes of the flange, and a second compartment, inside the filter unit, accessible by the middle hole.

Abstract: A filter assembly includes a filter holder into which a part of the filter is insertable, and a lock mounted to the filter holder and configured to lock and release the filter to and from the filter holder. The lock includes a guide coupled to the filter holder and configured to be linearly movable to transmit a force in a direction into which the filter is inserted, a pusher configured to transmit a force in a direction opposite to the direction, into which the filter is inserted, by an elastic member, a stopper rotatably received in the pusher to be arranged between the pusher and the guide, and configured to linearly move the filter holder by being linearly moved by the guide and the pusher, and a cam configured to lock and release the filter to and from the filter holder by guiding rotation and linear movement of the stopper.

Abstract: An improved serviceable oil filter assembly is provided. The oil filter assembly includes a first end cap, a second end cap, a retainer element, and a cylindrical filter element. The first end cap defines a dirty oil inlet and a clean oil outlet. The second end cap includes a threaded collar for attachment to a threaded sidewall of the first endcap. The retainer element secures the cylindrical filter element within an interior volume of the oil filter assembly. The cylindrical filter element functions in combination with the retainer element to divide the interior volume of the serviceable oil filter assembly into a dirty oil chamber in fluid communication with the dirty oil inlet and a clean oil chamber in fluid communication with the clean oil outlet.