An installation structure of an external filter case for a refrigerator is provided. The filter case may include a main body that provides an inner space in which an internal line may be installed and water filters may be installed, and a cover that covers the inner space of the main body and is detachably coupled with the main body. The main body may have an open front side and may include bosses that protrude from its bottom face. The cover may include insertion holes into which the bosses may be inserted. A lower portion of the main body may be coupled with a lower portion of the cover. Magnets may be installed in upper portions of the main body and the cover, respectively, such that the main body and the cover may be coupled with each other by a magnetic force.

A filter assembly for fluid filtration having a push-activated lock and release mechanism. A push filter design activates a filter key lock upon insertion and extraction, where the filter key may be used simultaneously as a lock and as an identifier for particular filter attributes. The filter housing assembly may be attached to, and removed from, a filter base by a push-actuated release. Upon insertion, the filter key shifts the filter lock longitudinally to receive interlocking segments. Upon extraction, the same axial push shifts the filter lock further to align the interlocking fingers within gaps that allow for easy extraction. The specific key lock design allows a user to identify and match certain filter configurations received by the mechanical support, and reject other filter configurations.

A refrigerator and filter device are described. In one aspect, the refrigerator includes a main body that defines a storage space. The refrigerator includes a door that is configured to open and close at least a portion of the storage space. The refrigerator further includes a dispenser that is located at the door and is configured to dispense water. The refrigerator further includes a filter that is configured to purify water and supply the purified water to the dispenser. The refrigerator further includes at least two heads that are configured to attach to the filter. The refrigerator further includes a connector that is configured to connect the at least two heads to each other, the connector providing a passage between the at least two heads. The refrigerator further includes a bracket on which the connector and the at least two heads are seated, the bracket being coupled to the connector.

A water purifying apparatus including a head having a water inlet portion and a water outlet portion; a shaft provided in the head and rotatably mounted between the water inlet portion and the water outlet portion; a bypass flow path passing through a circumference of the shaft, and communicating the water inlet portion with the water outlet portion according to rotation of the shaft; a filter detachably mounted to the head, and having a filter inserting portion in which the shaft is inserted when being mounted on the head; and a filtering flow path in which an inlet port and an outlet port are formed on the circumference of the shaft in a direction intersecting the bypass flow path, and communicated between the filter, the water inlet portion and the water outlet portion with each other according to the rotation of the shaft.

A refrigerator including a main body having a storeroom, an inner door rotatably coupled to the main body and having a door opening, an outer door rotatably arranged in front of the inner door to open or close the door opening, a dispenser including a water-intake space and an operation lever and configured to supply water to the water-intake space by manipulation of the operation lever, and an automatic water supplier including a water container installation space formed to have a water container mounted and a water level sensor configured to detect a water level of the water container, and configured to supply water into the water container to fill the water container with a certain amount of water. The water-intake space and the water container installation space may be arranged in the door opening of the inner door to be accessed while the inner door is closed.

A filter cartridge for a domestic cooling appliance includes a beaker-shaped housing which is provided at an open end with a coupling for securing to a filter head, and a particle filter insert which is received in the housing. The particle filter insert is guided movably along an axis of the housing between an abutment position, in which it is embedded completely in the housing, and a position in which it at least partially protrudes from the housing. A domestic refrigeration appliance having the filter cartridge is also provided.

An additive dispensing system for a refrigerator that includes a reservoir configured to contain an additive and an additive outlet in fluid communication with the reservoir. The additive dispensing system is configured to be connected to a refrigerator and is operable to selectively dispense an amount of additive to water dispensed from the refrigerator. The additive dispensing system may be connected to a water filtration system of the refrigerator such that the additive dispensing system may dispense the amount of additive into filtered water dispensed from the refrigerator.

A water purifying apparatus includes: a plurality of filters purifying and discharging introduced water along flow paths formed therein; a plurality of heads to which the plurality of filters are individually mounted to be detachable, the plurality of heads each having an inlet part and an outlet part, through which water is introduced and discharged; a mounting member to which the plurality of heads are mounted in parallel, the mounting member having a rotation supporting part that rotatably supports the head, and the rotation supporting part being formed recessed such that the inlet part and the outlet part are accommodated therein; and a connecting cap mounted on the rotation supporting part to connect the inlet part and the outlet part to communicate with each other.

Stand-alone ice making appliances are provided. An appliance includes a container defining a first storage volume for receipt of ice, a water tank defining a second storage volume for receipt of water, and a pump in fluid communication with the second storage volume. The appliance further includes an ice maker which is in fluid communication with the pump for receiving water from the pump. The appliance further includes a filter, the filter including a filter medium operable to remove contaminants from water flowing through the filter medium, the filter positioned upstream of the ice maker in a flow direction of water from the second storage volume to the ice maker.

A water purifying apparatus including a head having a water inlet portion and a water outlet portion; a shaft provided in the head and rotatably mounted between the water inlet portion and the water outlet portion; a bypass flow path passing through a circumference of the shaft, and communicating the water inlet portion with the water outlet portion according to rotation of the shaft; a filter detachably mounted to the head, and having a filter inserting portion in which the shaft is inserted when being mounted on the head; and a filtering flow path in which an inlet port and an outlet port are formed on the circumference of the shaft in a direction intersecting the bypass flow path, and communicated between the filter, the water inlet portion and the water outlet portion with each other according to the rotation of the shaft.