435results about "Membrane filters" patented technology

A filtering device 1 comprising a funnel 3, a filter cartridge 7 and a cup 5, comprises first connecting members 76 for directly connecting the filter cartridge 7 to a lower end of the funnel 3. According to the invention, the filter cartridge 7 is accommodated in the cup 5, and the filtering device 1 further comprises second connecting members 73, for directly connecting the cup 5 to the filter cartridge 7 to form a filter unit 8 that is held in an operating position at the bottom 33 of funnel 3 only by the first connecting members 76. The tolerance chain is minimized, since only respective two components need to be matched. Coupling can be carried out in a single pass, by inserting the filter cartridge into the cup and then coupling the filter cartridge with the bottom of funnel 3, e.g. by performing a single rotary movement.

A filtering apparatus for filtering a plastic melt. A filter pin is received in an axially displaceable and rotatable manner in a pin receptacle of a housing. The filter pin has a filtering device which, in an operating position of the filter pin, is arranged between inlet and outlet channels of the housing and connects the inlet channel to the outlet channel, as well as a discharge channel, which, in a starting position of the filter pin, is flow-connected to the inlet channel and leads past the filtering device to a discharge outlet of the filter pin. An inlet port of the discharge channel in the operating position of the filter pin is rotationally offset relative to the inlet channel of the housing and, the inlet port of the discharge channel in the starting position of the filter pin is arranged so as to overlap with the inlet channel.

To provide a manufacturing system that can maintain a low dew point inside the enclosure while improving maintainability. [Solution] The manufacturing system comprises an enclosure maintained at a predetermined dew point, a solid-state battery manufacturing device housed inside the enclosure, and a fan positioned to be exposed to the outside of the enclosure and used to expel air from inside the enclosure to the outside.

The goal of the present invention is to provide a double-wool biocomposite air filter material and production method thereof, which is fully biodegradable and can be processed and enriched from animal wool. The double wool biocomposite air filter material is composed of (a) a Micro-cotton blend layer of PPK microfibers produced by processing biocomposite pellets from washed and combed coarse wool, a diameter of up to 22±10 micrometers and spunbonded with washed and combed wool, and (b) a layer of PPK nanofibers with a diameter of 0.2-1 micrometers, produced by processing biocomposite pellets from washed and combed coarse wool.

A wet / dry surface cleaner has a surface cleaning head and an upright section moveably mounted to the surface cleaning head between an upright storage position and a reclined surface cleaning position. A solid and liquid separation stage is removably positionable on the upright section. The solid and liquid separation stage has a solid and liquid collection chamber that has a liquid porous divider provided therein. A liquid collection region is located below the divider and solid material collects on the liquid porous divider. An inlet conduit extends upwardly through a lower wall of the solid and liquid collection chamber and an internal wall partially surrounds an outlet end of the inlet conduit.

An automated computer-controlled sampling system and related methods for collecting, processing, and analyzing agricultural samples for various chemical properties such as plant available nutrients. The sampling system allows multiple samples to be processed and analyzed for different analytes or chemical properties in a simultaneous concurrent or semi-concurrent manner. Advantageously, the system can process soil samples in the “as collected” condition without drying or grinding. The system generally includes a sample preparation sub-system which receives soil samples collected by a probe collection sub-system and produces a slurry (i.e. mixture of soil, vegetation, and / or manure and water), and a chemical analysis sub-system which processes the prepared slurry samples for quantifying multiple analytes and / or chemical properties of the sample. The sample preparation and chemical analysis sub-systems can be used to analyze soil, vegetation, and / or manure samples. A soil collection system is disclosed which captures and directs samples to the sampling system for processing.

A filter cartridge includes a shell, a connecting ring, an end cap, and an axially directed sealing member. The shell defines an inner cavity and an upper lip disposed along an upper edge of the inner cavity. The upper lip defines a channel. The connecting ring is positioned outside of the inner cavity and is engaged with the channel. The connecting ring includes a threaded region extending along a central axis of the shell. The end cap is engaged with the shell adjacent to the upper lip. The axially directed sealing member is positioned between the shell and the end cap and extends axially outward so as to form an axial seal with a filter head when the filter cartridge is installed on the filter head.

The filter unit has a filter cartridge (6), at least one filter element (5), and at least one first sealing element (37). The filter unit also has a cartridge holder (7) into which the filter cartridge (6) is inserted. The cartridge holder (7) is provided with an air passage opening (16) which is sealed against an air passage opening of the filter cartridge (6) by at least one second sealing element (26). The two sealing elements (26, 37) are inclined at an acute angle opposite to a longitudinal median plane of the filter unit and the filter cartridge (6), respectively. The filter cartridge (6) can be inserted into a holder unit that has a retaining part (41) for receiving the filter cartridge (6), which is advantageously a frame surrounding the filter cartridge (6).

The present disclosure relates to a method for manufacturing a pleated media filter media pack comprising pleat spacing structures, including: (a) providing a filtration media sheet having an inlet face and an outlet face, said filtration media sheet comprising thermoplastic fibers; (b) pleating said filtration media into a pleated media pack comprising a plurality of pleat tips including a first set of pleat tips along an upstream extent and a second set of pleat tips along a downstream extent with pleat flanks extending between the first set of pleat tips and the second set of pleat tips; and (c) applying a combination of increased pressure and increased temperature on a portion of at least a subset of said pleat tips of at least one of said first set of pleat tips and said second set of pleat tips, until said portion deforms and forms shoulder structures defining the pleat spacing structures. The present disclosure also relates to pleated media filter packs and pleat spacing device.

The present disclosure relates to a sealing strip (1) for sealing adjacent filter plate assemblies of a horizontal filter press. The present disclosure is based on the idea of configuring the sealing strip (1) with a reinforcement (6) at a base portion (3) of the sealing strip (1), which reinforcement is positioned to intersect a line extending through a ridge (4a) provided on a distal portion (4) of the sealing strip (1) and in a vertical direction perpendicular to both a length direction and a width direction of the sealing strip, as seen along a cross-sectional profile of the sealing strip (1). The present disclosure also relates to a filter apparatus, a filter frame and a filter frame assembly having said sealing strip.

A liquid separator, in particular for a fuel cell exhaust system, comprises a first housing part (26) with a first connecting flange (44) and a second housing part (28) with a second connecting flange (62), wherein the first connecting flange (44) and the second connecting flange (62) are arranged successively, and wherein the first housing part (26) and the second housing part (28) are connected to each other by a plurality of connecting elements (94) connecting the first connecting flange (44) to the second connecting flange (62).

Separation element (10) for separating a liquid from a media stream, in particular an air de-oiling element for an air stream, comprising: - at least one hollow cylindrical filter body (12) which acts as a coalescing element and which has at least one support element (jacket) (14) and at least one first filter medium (16) arranged radially outside the jacket (14) as a coalescing stage, wherein the filter body (12) separates a raw side (52) from a clean side (50) of the separation element (12); - a first end disk (20) and a second end disk (22), which are arranged accordingly on opposite end faces (24, 26) of the filter body (12); - a receiving device (38), which is preferably arranged centrally on the inside of the first end disk (20) and opens into the interior (30) of the filter body (12), wherein, when the separation element (10) is correctly installed in a pressure storage system (100) is,The receiving device (38) is provided for supporting the separating element (10) on a central tube (108) of the pressure storage system (100), wherein the filter body (12) is designed such that a media flow passes radially through it, and wherein the liquid that has been separated in the filter body (12) flows from the separating element (10) via at least one outlet opening (32) in the second end disk (22), wherein the first end disk (20) has a centrally arranged gripping element (34) for axially fixing the separating element (10) in a correctly installed state in the pressure storage system (100).

The invention relates to a ring-shaped filter element comprising a filter medium body in the form of a bellows having at least one radially inwardly directed fold which is spread apart and adjoins an open end disc. The open end disc has at least one recess, the recess and the spread-apart fold being arranged so as to overlap one another. The filter medium body is sealed at the axial end facing away from the open end disc by a closure end disc. When the ring-shaped filter element is used in a filter device, an engagement element engages into the spread-apart fold and / or into the recess. The engagement element can be formed on a filter housing or on a further ring-shaped filter element of the filter device. The angular position of the ring-shaped filter element is thus fixed relative to the filter housing or to the further ring-shaped filter element.

Metallic nanoparticle agglomerates can deliver biocidal activity to surfaces on which they are deposited and adhered, such as various air filtration media. Air filtration media can include a plurality of fibers to which a plurality of metallic nanoparticle agglomerates are adhered. The metallic nanoparticle agglomerates can include a plurality of fused, partially fused, or unfused metallic nanoparticles associated with one another on the surface of the plurality of fibers. Suitable metallic nanoparticles for facilitating biocidal activity against various pathogens, such as viruses and bacteria, can include copper nanoparticles and / or silver nanoparticles. Face masks, inline filters, and air filtration systems can integrate the air filtration media.

A containment system for a carbon capture device includes a primary bund at least partially surrounding the carbon capture device and configured to receive therein a process fluid spilled from the carbon capture device and a rainwater. The rainwater and the process fluid spilled from the carbon capture device at least partially forms a fluid stored within the primary bund. The containment system further includes at least one secondary bund configured to receive therein at least a portion of the fluid stored within the primary bund. The containment system further includes at least one first plant species disposed within the at least one secondary bund and configured to at least partially filter the portion of the fluid received within the at least one secondary bund.

The invention relates to a filtration unit (1) for enabling the selective leucocytapheresis of a fluid containing blood platelets, comprising an external pouch provided with at least one inlet orifice (2) and at least one outlet orifice (3), the pouch enclosing a porous element (4) interposed between said orifices, the porous element enclosing a leucocytapheresis medium impregnated with a polymer, the polymer having the general formula -(A)m-(B)n- (I), wherein A is a unit originating from an alkoxyalkyl acrylate or alkoxyalkyl methacrylate monomer, B is a unit originating from a hydrophobic polymerisable monomer, and m and n are integers, the sum of which, m+n, is equal to 100, m being an integer greater than 80.

The present invention provides for a process for synthesis of carbon beads comprising sub-micron size, micron size or milli size. The process enables modulation of the viscous slurry for synthesis of the carbon beads with improved physico-chemical properties. The process enhances ability of the carbon beads to withstand extreme pH and high temperatures. The present invention also provides a composition for synthesis of the carbon beads. The present invention also provides a microfluidic droplet generator for synthesizing the carbon beads. The carbon beads synthesized by the present invention are applicable in separation, filtration, purification, wires and cables, electrodes, sensor, composite and additive manufacturing, pharmaceutical delivery applications.

A filtration system includes an air cleaner housing and a filter element. The air cleaner housing includes a base and a removable cover. At least one of the base or the cover defines a cavity and a protrusion extending into the cavity. The filter element is disposed within the cavity. The filter element includes a plurality of media blocks each including a pleated filter media. The plurality of media blocks are arranged in arch shapes of approximately equal inner radii. The plurality of media blocks are coupled to each other along opposing edges that extend along a pleat direction of the pleated filter media. The media blocks together define at least one void that extends along the protrusion. The protrusion occupies a portion of the void.

An air purification device (1) with a novel air guide consists of a housing (13) which has at least one air intake area (26) formed in an intake plenum (3) for drawing contaminated air into the housing (13) and at least one air discharge area (27) formed in an outlet plenum (8) for blowing the filtered air out of the housing (13), wherein at least one fan wheel (7.1) of a radial fan (7) rotatable about a fan rotation axis (18) and at least one air filter (2) for filtering the air drawn in through the air intake area (26) are arranged in the housing (13), and the main nozzle airflow (5.4) formed downstream of the air filter (2) is deflected at a main nozzle (5) arranged upstream of the fan wheel (7.1) in the housing (13) in the direction of the fan wheel (7.1), wherein for optimized airflow to the fan wheel (7.1) of the radial fan (7) and in order to homogenize the air quantities in the air-conducting inlet plane of the radial fan (7), the main nozzle airflow (5.4) is separated by an auxiliary nozzle (6) arranged upstream in front of the main nozzle (5) and splitting the main nozzle airflow (5.4), which supplies an auxiliary nozzle airflow (6.4) split from the main nozzle airflow (5.4) into the inner intake area of ​​the fan wheel (7.1).

A filtration module is provided, the module including at least one filtration packet containing filtration media or one or more membranes, such as a stack of membranes, the at least one filtration packet having one or more fluid ports, the one or more fluid ports being surrounded by a primary seal and a secondary seal spaced from the primary seal. The secondary seals are designed to maintain sterility of the assembly during shipping, handling and / or installation. A removable film may cover one or more fluid ports to maintain sterility prior to use.

A media basket assembly for use with an air purifier, such as but not necessarily limited to media basket assembly suitable for use with a vertical airflow type of air purifier. The media basket assembly may include a filter media configured to filter the airflow and a basket for positioning the filter media relative to a lower fan shroud of the air purifier.

The present application discloses a filter element comprising four borders, four corner codes and a screen cloth, wherein four of the borders are connected end to end successively and form a closed rectangular frame, four of the corner codes are arranged respectively at the corner position of the rectangular frame, each of the corner codes is used to connect two adjacent borders, and the screen cloth is arranged in the rectangular frame. Thus, the four borders are connected end to end to form a closed rectangular frame, and the four corner codes are connected and reinforced in the corner position of the rectangular frame, with the internal filter cloth to enhance the stability and durability of the entire filter element structure, improve the filter cloth filtration efficiency, not only extend the service life of the filter element, but also facilitate maintenance and replacement.

Air filter cartridge (1002) comprising a filter body (1002a) and a threaded assembly (1, 101, 201) for connection to a thread (20, 120, 220) of a filter housing (1003), wherein the threaded assembly (1, 101, 201) has a front end (1a, 101a, 201a), a rear end (1b, 101b, 201b) opposite the front end (1a, 101a, 201a) and at least one first thread (10, 110, 210) extending helically along a longitudinal axis (A) from the front end (1a, 101a, 201a) to the rear end (1b, 101b, 201b), wherein the first thread has a threaded crown (11, 111), a threaded root (12, 112), has a thread pitch (p) and a thread height (H) extending in the direction from the thread root (12, 112) to the thread crown (11, 111), a front flank (13, 113) facing the front end (1a, 101a, 201a) for initiating the connection and a rear flank (14, 114) facing the rear end (1, 101b, 201b) with an engagement section (14', 114'),wherein the steepness of the engagement section (14', 114') of the rear flank (14, 114) with respect to the longitudinal axis (A) is less than an average steepness of the front flank (13, 113) with respect to the longitudinal axis (A), wherein the engagement section (14', 114') extends over at least 65% of the thread height (H) and is inclined with respect to the longitudinal axis (A) at an angle (β) between 42° and 57°, and wherein the average steepness of the front flank (13, 113) is between 6° and 45° steeper than the engagement section (14', 114') of the rear flank (14, 114).

To provide a filtration system capable of reducing the possibility of movement of a filter assembly from a tube sheet and improving structural rigidity between an end cap and the tube sheet.SOLUTION: A filtration system includes: a tube sheet; a filter medium 110; and an end cap 130 coupled to a first end of the filter medium. The end cap 130 is coupled to the first end 112 of the filter medium 110, and defines an opening in fluid communication with a central medium opening, an inner surface abutting on and surrounding the end cap opening and a peripheral sealing surface 140 about the end cap. A first portion 142 of the peripheral sealing surface 140 projects inwardly towards the end cap opening, and a second portion 144 of the peripheral sealing surface 140 projects outwardly from the end cap opening. The first portion 142 and the second portion 144 are in axial alignment, and the peripheral sealing surface 140 forms an oblong loop in a first cross-section orthogonal to the axial direction.SELECTED DRAWING: Figure 3

A substrate processing apparatus (100) includes a substrate processing unit (10), a pipe (32), a filter (141), an upstream-side pipe (151), a downstream-side pipe (161), and a removal liquid supply section (165). The substrate processing unit (10) processes a substrate (W). The pipe (32) supplies a processing liquid to the substrate processing unit (10). The filter (141) is provided to the pipe (32). The upstream-side pipe (151) is connected to the pipe (32) at an upstream side of the filter (141). The downstream-side pipe (161) is connected to the pipe (32) at a downstream side of the filter (141). The removal liquid supply section (165) supplies a bubble removal liquid to one of the upstream-side pipe (151) and the downstream-side pipe (161). The substrate processing apparatus (100) passes the bubble removal liquid from one of the upstream-side pipe (151) and the downstream-side pipe (161) through the other of the upstream-side pipe (151) and the downstream-side pipe (161) via the filter (141).