A capsule type bidet filter includes an outer body 110 configured in such a shape that a diameter thereof gradually increases as it goes from upper to lower position, with a lower end being open and connected to a water supply pipe so as to supply raw water, an inner body 210 that is coupled inside the outer body 110, is configured to filter and purify the raw water as it flows in, and discharges the filtered and purified raw water toward a raw water discharge pipe; and a finishing member 140 coupled to the open lower end of the outer body 110. in which the capsule type bidet filter is coupled inside a bidet controller so that the capsule type bidet filter is not exposed to outside.

In one example, a core cover includes an inner wall that defines a fluid passageway configured to communicate with an interior of a filter core when the core cover is engaged with the filter core. As well, the core cover includes an outer wall spaced apart from the inner wall, and a complementary structure located on the outer wall and configured to engage a corresponding complementary structure of a filter core. Finally, the core cover includes one or more indicia that indicate a flow rate, or range of flow rates, associated with the core cover.

A filter apparatus is for use with a hydraulic machine. The filter apparatus includes a connecting part and a filter cartridge. The connecting part includes a sealing face, which is configured for sealing abutment on the hydraulic machine. An input connector and an output connector are arranged within the sealing face. The filter apparatus further includes a separate retaining part on which the filter cartridge is fixedly received. The connecting part has a pivoting appendage extending along a pivot axis on a side of the connecting part facing away from the sealing face. The retaining part is fluid-tightly adapted to the pivoting appendage such that (i) its pivoting position with respect to the pivot axis is continuously adjustable relative to the connecting part, and (ii) between the retaining part and the pivoting appendage, a first and a second pressure chamber are arranged.

A reconfigurable foldable water filter system includes a plurality of filter units. Each filter unit includes a filter cartridge receiver that can accept and retain a water filter cartridge which includes a water filter. Both the well of each filter cartridge receiver and each filter cartridge are have a rectangular horizontal cross section. The filter cartridge receivers are joined together at corresponding corners, consecutively, in a series in a way that allows the filter cartridge receivers to pivot with respect to each other about the corresponding corners where they are joined. This allows the series of filter units to be arranged in a flat configuration or a folded configuration.

An interconnection scheme between a filter cartridge and its corresponding manifold whereby a magnetic shear force is introduced to remove a blocking mechanism that would otherwise prohibit attachment. The magnetic shear force may also be employed to activate or deactivate a switch or valve, or engage or disengage an engagement mechanism relative to other components upon interconnection. The magnetic shear force is generated by complementary correlated magnet structures moved into close proximity to one another. The interconnection scheme may be a linear or rotational attachment of the filter cartridge with respect to the manifold. A valve assembly utilizing magnetic shear force may be employed to activate a bypass action between a manifold ingress port and egress port, thereby allowing water to flow when a filter cartridge is removed from the manifold and directing water to the filter cartridge when the valve assembly is activated.

In some embodiments, the invention provides an apparatus configured to deliver dispersant into the water in a filterwell of a hot tub. Methods for delivering dispersant into the water in a filterwell of a hot tub are also provided.

A backflushing filter having an inlet, an outlet, and a drain; a filter that divides a housing into an inlet chamber that is connected to the inlet and an outlet chamber that is connected to the outlet; a backflushing device having a suction element arranged so that it is able to rotate around the filter on the inlet side of the housing with at least one suction opening that is oriented in the suction direction toward the filter for filter-cleaning purposes; a backflushing duct connected to a suction opening and an outlet opening; and a rotating device which drives the rotational movement of the suction element around the filter when a pressure drop occurs in the backflushing duct; wherein when the pressure drop in the back flushing duct occurs, the rotating device drives the rotational movement of the suction element by the suction direction of the suction opening that is inclined relative to the radial direction of the suction element.

A housing assembly, portable filter system using the housing assembly and methods of mounting a filter element in a housing assembly are provided. The housing assembly is usable with filter elements of different types. The housing assembly includes a housing body having an open end and being attached to a filter head. The filter head includes a first housing sealing interface configured to sealingly mate with a filter element of the first type and a second housing sealing interface configured to sealingly mate with a filter element of the second type. A cover member removably attaches to the housing body and includes a third housing sealing interface configured to sealingly mate the filter element of the second.

A multiple cartridge fluid filter canister for mounting operatively in a standard filter housing includes spaced part upper and lower support plates that engage respective ends of a plurality of elongate filter cartridges that extend between the upper and lower support plates. The upper support plate carries an upper positioning element that depends from the upper support plate for engaging an upper end of a respective filter cartridge. The lower support plate carries a corresponding lower positioning element that extends upwardly from the lower support plate to engage a lower end of the filter cartridge. Annular seals surround the upper and lower positioning elements for respectively interengaging and sealing the upper and lower ends of the filter cartridge to restrict fluid flow between the cartridge and the upper and lower support plates. The upper and lower support plates define one or more inlets and outlets that communicate with corresponding fluid flow inlet and outlet lines in the filter housing.

A filter cartridge having a double water-stop function, that comprises: a filter cartridge main body, a rotation body, and a water channel main body. The filter cartridge main body includes: an outer shell body, a filter cartridge, a filter cartridge cover, a first water outlet, a second water outlet, a first compression spring, a second compression spring, a first tight seal ring, a second tight seal ring, a first water input port, a second water input port, a first water outlet channel, and a second water outlet channel. The rotation body includes: a first water channel, a second water channel, a third water channel. The water channel main body includes: a first water input hole, a first water output hole, and a second water output hole.