Abstract: A filter cartridge device is disclosed, which includes a water stopping assembly (13) and automatic water locking assemblies (22); wherein the water stopping assembly (13) can control water supply or water cut-off of the filter cartridge device, and prevent residual water inside a filter cavity (111) from flowing out during the process of detaching the filter cartridge device; the automatic water locking assemblies (22) can control water supply or water cut-off between the filter cartridge device and an external pipe, and prevent water inside the external pipe from flowing out during the process of detaching the filter cartridge device; and the water stopping assembly (13) controls water supply or water cut-off of on its side. In addition, a water purifier comprising the filter cartridge device is also disclosed.

Abstract: A method of assembling a canister filter system includes inserting a first filter component into a second filter component, and continuing the insertion until a first tab of either the first filter component or the second filter component contacts the other of the first filter component and the second filter component.

Abstract: A filter cartridge with a longitudinal axis has mounting lugs engaging mating manifold flanges in an appliance to hold the cartridge in the appliance with fluid flowing through the cartridge at a line pressure of X psi while the lugs are designed for a greater, rated pressure Y. Each lug has a deformable portion and an aligned stop portion that are axially aligned. A distance d separates each stop portion from the axially aligned deformable portion. The deformable portion is below the stop portion and located to contact the manifold flange during use. The deformable portion permanently deforms above the rated pressure Y and below a qualification pressure Z that is at least twice the pressure X.

Abstract: A filter element includes an unfiltered side via which a fluid is able to be introduced, and a filtered side via which fluid is able to be output, and first and second filter mediums that are situated between the unfiltered and filtered sides, where the first filter medium has a lower relative pressure loss than the second filter medium in a flow direction of the fluid from the filtered side to the unfiltered side.

Abstract: A filter assembly includes a ring of filter media, a first end cap, a second end cap, a first seal, and a second seal. The first end cap is coupled to a first end of the filter media. The second end cap is coupled to a second end of the filter media and includes (i) a radially extending portion having a first opening and (ii) a first axially extending portion having a stepped ledge defining a first inner diameter. The first seal is supported by the second end cap and includes a second opening defining a second inner diameter that is less than the first inner diameter. The second seal is supported by the second end cap and includes a third opening defining a third inner diameter that is greater than the first and second inner diameters. The stepped ledge is disposed between the first seal and the second seal.

Abstract: A method may include providing a rake system with a framework, a chain having a plurality of skimmers, an elongated rail, a first support arm, a second support arm, a first guide device, a second guide device, and/or a screen, rotating the chain, receiving debris between the chain and the screen, and/or moving the debris along the screen, via a skimmer of the plurality of skimmers, to discard the debris.

Abstract: A protruding portion is formed on an inner tube inserted into a hollow portion of a filter medium so as to protrude upward from a flange portion. The flange portion having a substantially circular plate shape is disposed on a lower side of a second plate. A recessed portion into which the protruding portion is inserted is formed on a surface on a lower side of the second plate provided so as to cover an opening at a lower end of the filter medium.

Abstract: A filter cartridge (1) is for a fluid filtration assembly (10). The filtration assembly (10) includes a bowl body (11) and a head body (12) having respectively a first and second collars (111, 121) to engage each other in rototranslation. The bowl body (11) has a filtration chamber (110) accessible through an access mouth (110?) delimited peripherally by the first collar (11) while the head body (12) has in the second collar (121) a slot (125). The filter cartridge (1) is housable in the bowl body (11) having a filter medium (2) and an end plate (3) to engage the first collar (111). The filter cartridge (1) is snap-blockable in the axial direction to the bowl body (11) by an active blocking member (31). The filter cartridge (1) includes an anti-rotation element (32) extending radially from the end plate (3) for being housed in the slot (125).

Abstract: A filter assembly comprises a filter element, and a mount having at least one port. Each of the filter element and mount has inter-engaging connection formations, where the filter element and mount can be detachably connected to one another. The mount defines a flow path between the port and filter element when the element is connected to the mount and includes a link element which can slide relative to the mount between retracted and deployed positions. The link element has one of a lug and an inclined ramp surface, and the filter element has the other of the lug and ramp surface. The lug and ramp surface form a cam drive where the lug engages the ramp surface as the filter element and mount are assembled, and slide along the surface when the element is rotated to draw the link element out of the mount towards its deployed position.

Abstract: Rake systems for cleaning water streams and new and novel components for such rake systems.

Abstract: A water separation group is for a fuel filtration and separation assembly of a vehicle fuel circulation system. The assembly extends along a longitudinal axis positionable in the vehicle in a horizontal position having a filtration group. The water separation assembly is associable to the filtration group for receiving filtered fuel, being positioned in series along the longitudinal axis. The water separation assembly has a main body defining a separation chamber and at an axial end, an outlet wall with an outlet mouth. A separator is accommodated in the separation chamber. A blocking device is below the separator to prevent the return of water to the separator. The blocking device has a blocking surface extending longitudinally forming an angle that inclines at least a portion of the blocking surface to allow water separated from the fuel to flow towards the outlet wall from which the blocking surface extends.

Abstract: A filter and filter media configured and arranged for placement in a fuel stream is disclosed. The filter and filter media allow for filtering of liquid fuels, such as diesel fuel. In certain embodiments the filter media includes a media fiber (such as glass) and a binder fiber (such as bicomponent) that combine to create a media structure having low solidity and relatively low compressibility, and which contain a pore structure that avoids premature fouling of the filter by fuel degradation products.

Abstract: An automatic flushing device for a screen filter of a biogas slurry drip irrigation system and a use thereof are provided. The automatic flushing device includes a feeding mechanism, a filter unit, a discharging mechanism and a control mechanism, where the filter unit is provided with a feeding end fixedly threaded to a discharging end of the feeding mechanism and a discharging end fixedly threaded to a feeding end of the discharging mechanism; and the control mechanism is clamped on a pipe of the feeding mechanism. The automatic flushing device enhances the cleaning strength and uniformity of ultrasonic waves to the filter screen. The ultrasonic vibration rod is nested inside the upper filter casing through the externally-threaded hollow cap and a threaded top portion of the upper filter casing, which greatly facilitates the cleaning, replacement and maintenance of the ultrasonic vibration rod.

Abstract: Aspects of the present disclosure relate to an apparatus for filtering a fluid. One exemplary aspect including a casing having an interior cavity and extending between a fluid inlet and a fluid outlet at opposed ends thereof, a tube sheet assembly spanning the interior cavity the tube sheet assembly having a plurality bores therethrough and a plurality of filter media tubes each extending from one of the plurality of bores in the tube sheet assembly. In some exemplary aspects, the tube sheet assembly may comprise a plurality of retaining plates sandwiched together with a tube sheet plate. In some exemplary aspects, the apparatus may further comprise at least one restrictor plate adapted to obstruct at least one of the plurality of bores of the tube sheet.

Abstract: A backflow of liquid inside a filter device during an operation of an internal combustion engine is allowed to be obviated while air inside the filter device is purged so as not to generate bubbles in the liquid. An outflow portion that includes a cylindrical portion having a substantially bottomed cylindrical shape and a back pressure valve provided inside the cylindrical portion is provided so as to penetrate a bottom surface of a case. In addition, a lid body provided on the case and an upper plate of a filter element so as to cover an upper end of the case has a first hole that communicates between a space inside the case and a space outside the case. When the back pressure valve opens (a valve body does not abut on a first valve seat), a space inside the filter element communicates with the space outside the case via a second through-hole formed in a side surface of the cylindrical portion.

Abstract: The filter for the purification of a liquid of a combustion engine, particularly lubricating oil, includes a housing that has, in a bottom part, an inlet for raw liquid and an outlet for purified liquid, and an unscrewable lid. A cartridge, defined by a filtering insert and a preassembled bypass valve, is received in the housing. The insert has a flange for fixing the valve, covering an end of the filtering medium. The bypass valve can be separated from the cover such that the cartridge can be removed. The valve has a removable connection element that axially engages with a complementary securing component formed on the flange, in a locking configuration obtained by a pivoting action.

Abstract: Water or wastewater filtration systems and processes have a filter tank having a floor and sidewall defining a filtration zone, an influent conduit, and an effluent conduit. One or more filtration members in the tank having filter media, and one or more cleaning members adjacent at least some portions of the filter media. Generating an effluent stream by generating a pressure differential across submerged portions of the filtration media, causing water in the influent to flow from outside to inside the submerged portions of the filter media. A prime mover rotates the filtration members. A blower and chamber for creating a reduced pressure condition in each of the cleaning members when they are non-submerged, the chamber receiving wet solids removed from non-submerged, wet solids-laden portions of the filter media by the non-submerged cleaning members subsequent to submerged, fouled portions of the filter media being rotated out of the filtration zone.

Abstract: The invention relates to a filter device for a plastic melt or another highly viscous fluid, comprising a housing with an inlet plate and a discharge plate. At least one spacing element and a screen wheel which can be rotated by a drive device are arranged between the inlet plate and the discharge plate. The inlet plate and the discharge plate are clamped against each other with the inclusion of the spacing element via at least three housing clamping elements. An engagement point of the drive device on the screen wheel is arranged outside of the pretensioning surface. When viewed in the rotational direction, an angle ? larger than 110° and smaller than 160° is formed on the screen wheel between a first line that extends between the pretensioning surface centroid on which a resulting frictional force FR acts and the center of the screen wheel and a second line between the center and the engagement point on which an advancing force Fv acts.

Abstract: Various example embodiments relate to a filtration system. The filtration system comprises a housing having a first housing end and a second housing end. The housing defines a central compartment therein. The housing comprises a key slot disposed on the first housing end and a housing key element protruding from the first housing end toward the second housing end. The filtration system further comprises a filter element positioned within the central compartment of the housing. The filter element has a first filter end and a second filter end. The filter element includes filter media and an endplate disposed on the first filter end. The endplate includes a central endplate opening, a key element configured for engagement with the key slot, and an installation guidance element formed along the central endplate opening. The installation guidance element is configured for engagement with the housing key element.

Abstract: Various example embodiments relate to a filtration system. The filtration system comprises a housing having a first housing end and a second housing end. The housing defines a central compartment therein. The housing comprises a key slot disposed on the first housing end and a housing key element protruding from the first housing end toward the second housing end. The filtration system further comprises a filter element positioned within the central compartment of the housing. The filter element has a first filter end and a second filter end. The filter element includes filter media and an endplate disposed on the first filter end. The endplate includes a central endplate opening, a key element configured for engagement with the key slot, and an installation guidance element formed along the central endplate opening. The installation guidance element is configured for engagement with the housing key element.