Abstract: A sock or bag-type liquid filtering device for use in filtering liquids such as water to remove debris includes a sock or bag of disposable filter material having a rim releasably secured to a two part filter holder. In one embodiment, the holder is designed to engage in an opening of a fish tank filter plate with the filter bag extending through the opening. A first holder part or flanged ring engages inside the rim of the bag and a second holder part or retainer ring engages over the flanged ring and bag rim. In one example the retainer ring is designed for snap engagement over the flanged ring with gripping formations on at least one of the parts, and the bag rim is gripped between the rings.

Abstract: A filtration filter device that enables an object filtered and left on a filtration filter to be more readily observed is provided. The filtration filter device includes a filtration filter that filters an object contained in a fluid, a holding member that holds an outer circumferential portion of the filtration filter, and a tubular member that is removably mounted on the holding member such that a hollow portion that serves as a channel through which the fluid flows faces at least a part of a main surface of the filtration filter.

Abstract: In one embodiment disclosed herein, a fluid separation assembly includes a housing, a fluid inlet attached to the housing. a fluid outlet attached to the housing; a mounting bracket; coalescing media; and a cover. The housing includes a first chamber; a second chamber; a wall separating the first chamber and second chamber; and a fluid passage positioned between the first chamber and the second chamber. The fluid inlet is in fluid communication with the first chamber, and the fluid outlet is in fluid communication with the second chamber. The coalescing media is positioned in the first chamber; and the cover is reversible secured to the housing. The fluid separation assembly can further include a first spigot attached to the housing and in fluid communication with the first chamber, and a second spigot attached to the housing and in fluid communication with the second chamber.

Abstract: A device for treating water for household use designed so as to be temporarily coupled to the mouth of a faucet to allow the continuous supply of treated water and the water to be treated being guided radially through the inside thereof. The device is formed by means of coupling a cylindrical receptacle to an upper closing element, where the receptacle supports, on the inside thereof, a paddle blind on which a hollow, cylindrical-shaped membrane is supported, where the membrane accumulates a filter bed therein. The inner wall of the receptacle is provided with ribs that extend longitudinally so as to define channels through which the treated water flows. The upper closing element is provided with grooves for the inflow of water to be treated, on which sealing means are supported for the coupling to the faucet.

Abstract: A hose line (1) filter screen (12) having a sleeve-shaped hose connector (3) which by way of a first hose connector part-region that is configured as a connector port (4) projects through a hose opening that is provided at an end side (3) of the hose (2) into a contiguous hose end region of the hose (2), and which connector port (4) has a second hose connector part-region (6) which projects beyond the end side (3) of the hose (2), which second hose connector part-region (6) at the free end side thereof has an encircling seal retaining collar (7) that projects on the circumference. An annular flange (8) is provided on the circumference of the second hose connector part-region (6), and a union nut (9) engages behind said annular flange (8). An annular seal (10) is provided between the annular flange (8) and the seal retaining collar.

Abstract: A connection head for a filter cartridge, which is easy and safe to handle. The connection head comprises a housing that has an inlet and an outlet, wherein said inlet and outlet have a port to which a detachable adapter piece for water conduit can be mounted. The adapter piece is attachable by a quick-release fastener. The quick-release fastener comprises a locking element, which locks the adapter piece by being rotated by about less than 90°.

Abstract: A method is disclosed. The method provides an assembly comprising a first core disposed within a housing, and replaces the first core with a second core.

Abstract: A filter apparatus has a plurality of filter elements (21) accommodated in a filter housing (1) with a filter inlet (11) and a filter outlet (13). During the operation one of the filter elements (21) can be backflushed by a backflushing device. The backflushing device includes a pressure control (7) to support the backflushing. Each filter elements (21) is accommodated in an element housing (30). The element housings (30) with the filter elements (21) performing the filtration process are connected to the fluid outlet (13) by their one open ends (33) in a fluid conducting manner. The element housing (30) of the filter element (21) being backflushed is exclusively connected with its open end (33) to the pressure control device (7).

Abstract: An oil filter element has first and second end disks between which an annular filter medium is held. The oil to be filtered flows through the filter medium in a direction radial to the longitudinal axis of the oil filter element. The oil filter element has a central channel arranged on the clean side and provided with a central outlet opening in the region of the first end disk. A radial sealing element, formed by an elastically deformable inside circumferential section of the first end disk, is arranged in the region of the outlet opening. In addition, an axial sealing element is arranged on the outside of the first end disk. This axial sealing element is held on the first end disk by retaining elements. An oil filter having such an oil filter element is provided.

Abstract: A filter element is provided with a support frame provided with a first end disk section and a second end disk section. A folded filter medium is connected to the support frame and arranged between the first end disk section and the second end disk section of the support frame. The first end disk section or the second end disk section has a face facing away from the filter medium. The support frame is provided with a fluid guiding channel that guides, when a fluid flow passes through the filter medium, the fluid along the face facing away from the filter medium. A filter assembly with such a filter element and a filter receptacle in which the filter element is exchangeably arranged is provided.

Abstract: A filter cartridge having an endplate formed of polyurethane having a varying hardness is described. A first portion of the endplate is harder than a second portion of the endplate. The first portion of the endplate helps support the filter media of the filter element and maintain the shape of the filter element. The second, softer portion creates a seal between the filter element and a filter housing when the filter element is installed in the filter housing. The first portion and separate portions may be formed from different types of polyurethane or from the same type of polyurethane having a varying composition as a function of the radial distance of the endplate.

Abstract: An apparatus configured to engage a filter housing and an end of filter media includes an endcap and at least one biasing portion. The endcap includes a first axial surface, a second axial surface arranged opposite said first axial surface, and an outer radial surface transverse to the first and second axial surfaces. The first axial surface is configured to engage the end of the filter media. The at least one biasing portion includes a proximal end integrally formed with the endcap, and a distal end extending radially outward of the outer radial surface.

Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.

Abstract: A coalescing element for a water separator device for fuel is provided with at least one coalescing medium that separates water contained in the fuel from the fuel. The coalescing element is arranged in a housing of the water separator device such that the coalescing element separates at least one fuel inlet of the housing from at least one fuel outlet of the housing. The at least one coalescing medium is arranged in a flow path of the fuel from the at least one fuel inlet to the at least one fuel outlet. The at least one coalescing medium contains at least one sponge-like coalescing material suitable for coalescing water. The coalescing element is used in fuel filters such as diesel fuel filters of an internal combustion engine.

Abstract: A coupling member is provided that includes a filtration member provided in a fluid passage in a coupling body to divide the fluid passage into an upstream pre-filtration passage section and a downstream post-filtration passage section. The filtration member includes a cylindrical part extending in the direction of a longitudinal axis and having a filtration portion. The cylindrical part divides a downstream portion of the pre-filtration passage section and an upstream portion of the post-filtration passage section from each other in the radial direction of the cylindrical part. Further, the fluid passage has a dust collecting part extending in the direction of the longitudinal axis from the downstream portion to a position closer to a downstream opening than the filtration portion of the filtration member. The dust collecting part is closed at a downstream end thereof.

Abstract: A fluid housing of a fluid treatment system of a fluid system has a housing part of plastic material that is provided with a receiving chamber for accommodating a fluid treatment component; an installation opening, closable by a closure housing part, for installing the fluid treatment component in the receiving chamber; and a housing connecting section to connect the housing part to the closure housing part. A housing fastening section is provided with which the fluid housing can be fastened to a holding component of the fluid system. An insert is at least partially introduced into the plastic material of the housing part. The insert is provided with a reinforcement region extending with sections thereof in the housing connecting section and is further provided with fastening region extending with sections thereof in the housing fastening section. A fluid treatment system with such a fluid housing is provided.

Abstract: Method for producing a filter for injectors of fuel, oil, solutions, additives and fluids in general, for example for braking and transmission systems. The filter including an element of plastic material and having a tubular shape, open at opposite ends, internally hollow and having on one wall of its internal cavity a plurality of projections spaced apart from one another. These projections interacting with portions of a filter element of the pleated type associated with this tubular element and capable of filtering the fluid circulating through the tubular element. The filter element and the tubular element to form a single filter body by being co-moulded, the filter element being incorporated and completely positioned within the tubular element, but having portions of filter surface area free of this tubular element to allow passage and filtration of circulating fluid.

Abstract: A no filter no run (NFNR) fluid filter and fluid filter assembly are provided. The NFNR fluid filter assembly includes a fluid filter, a filter head or filter housing, and a bypass flow path. The by-pass flow path may be sealed off when a compliant filter is installed (a filter without a bypass seal), fluid may flow to the bypass flow path.

Abstract: The invention relates to a filter device (10) serving to filter a liquid, in particular for treating water. The filter device comprises: at least two plate-shaped filter elements (12) and at least one holding element (20) for filter elements (12). According to the invention, the holding element (20) comprises a holding frame (22), a grout material (26), and an end unit (24), which is separate from the holding frame (22), wherein the grout material (26) is arranged between the filter elements (12) and the holding frame (22), such that the grout material seals the filter elements (12) against the holding frame (22), that the end unit (24) is fastened on the holding frame (22) in a liquid-tight manner, and that the holding frame (22) and the end unit (24) delimit a liquid collection chamber (40).

Abstract: Provided is a fluid processing apparatus using a crystallization promoting medium (CPM) as a fluid processing medium. The apparatus comprises one or more column bed units in parallel connection, wherein the column bed units may be connected in parallel with a bypass flow path having a check valve, and except the first column bed unit, each of the column bed units is provided with a check valve upstream thereof. Also provided is a method for improving the efficiency of a CPM-based fluid processing apparatus having only one column bed unit.