Abstract: A filter structure is disclosed. A filter structure according to an aspect of the present disclosure may include a plurality of membranes configured to selectively pass raw water through to produce purified water; a spacer disposed between the plurality of membranes configured to form a space through which the purified water flows; a tube configured to be connected to the space and the outside to form a flow path through which the purified water flows out, the plurality of membranes and the spacer being wound around the tube; and a seal assembly configured to extend along an outer perimeter of the plurality of membranes and seal the space in the outer circumferential direction, the seal assembly having a hardness different from that of the plurality of membranes.

Abstract: A cold water production apparatus according to one embodiment of the present invention can include an apparatus body; a water tank which is provided in the apparatus body and which accommodates water flowing in from a water supply source; a cold water production pipe which is provided in the apparatus body so as to be connected to the water tank, and which allows the water accommodated in the water tank to flow thereto, move therein and then be discharged; and a cooling unit which is mounted on the outer surface of the apparatus body, and which cools the apparatus body so that the water accommodated in the water tank and the water flowing in the cold water production pipe is cooled.

Abstract: A mattress assembly includes an air pocket, a flow channel, pumps for making air flow into the air pocket, a valve that regulates the air flow in the flow channel and air pocket, and a controller for controlling the pump and the valve so that the hardness of the air pocket changes. The flow channel includes first and second injection flow path members that provide passages for making the air flow from first and second pumps to a first and second air pockets, respectively, and an air flow path which communicates with the first and second injection flow path members. The valve includes a flow path valve for opening and closing the air flow path, and the controller controls the pump and the flow path valve so that the hardness of at least one of the first air pocket or the second air pocket changes.

Abstract: A tank assembly and a bidet including the same are disclosed. The tank assembly according to one aspect of the present disclosure may include a tank member that is connected to an outside, constitutes an inlet flow path through which a fluid is introduced, and has one side in a height direction open; a cover portion that is connected to an outside, constitutes an outlet flow path of the fluid introduced into an inside, covers the one side of the tank member, and is coupled to the tank member; and an outlet buffer portion that is coupled to the cover portion to constitute the outlet flow path of the fluid together with the cover portion, and is accommodated in the tank member to be located at the one side of the tank member, wherein the outlet buffer portion may include: an outlet buffer space communicated with a cover space formed inside the cover portion; and an outlet buffer communication hole communicating the outlet buffer space with a tank space formed inside the tank member.

Abstract: A discharging nozzle assembly and a bidet including the same are disclosed.

Abstract: A filter assembly includes: a housing; a filter member disposed inside the housing; a water treatment member, disposed inside the housing, for treating the purified water; and a supporter disposed inside the housing to support the filter member and the water treatment member. The supporter includes: a first cap supporting an exterior of the filter member; and a second cap supporting an interior of the filter member and providing an accommodation space in which the water treatment member is accommodated. The second cap includes: a second body having an opening, formed in an upper portion thereof, through which the water treatment member is taken in and out, and a second body hole, formed in a side wall thereof, through which the purified water passes; and a second upper cap arranged to be fixed to the opening and having a second cap hole through which the purified water passes.

Abstract: A hot water tank assembly is disclosed. A hot water tank assembly according to one aspect of the present disclosure includes a hot water tank and a heating heater, the heating heater includes a plurality of straight lines, bent lines, and a connection line, and at least one intersecting portion, in which the straight line, the bent line, or the connection line intersects any one line of the straight line, the bent line, and the connection line, which are parallel and adjacent to each other, at an alternate angle, may be formed.

Abstract: An ice maker having a refrigerant preheating unit and a control method thereof are disclosed.

Abstract: This cleaning flow path comprises: a case; and an escape prevention unit for preventing a cleaning agent accommodated in a dry state inside the case from escaping outside the case. The case includes: a body part that has an accommodation space for accommodating the cleaning agent therein; a water inlet passage that provides a flow path for water to flow into the accommodation space, is open toward the outside of the case, and can be installed into the water purifier by being connected to a first fastening hole in the water purifier connected to a raw water inlet port of a filter; and a water outlet passage that provides a flow path for the water accommodated in the accommodation space to flow out of the case, can be installed into the water purifier by being connected to a second fastening hole in the water purifier connected to a purified water outlet port of the filter, and is open in the same direction as the water inlet passage.

Abstract: A filter member including a cylinder part extending in one direction, a filter hollow part which is formed inside the cylinder part to pass through along the one direction and allows the inside of the cylinder part to be in communication along the one direction, and a filtering part disposed to surround the cylinder part from radially outside and configured to filter raw water flowing through the filter hollow part.

Abstract: A composite filter and a water purifier having the composite filter are provided. The composite filter includes: a cover cap in which a first inner space is formed; a lower filter structure including a lower filter; a connection tube in which a first connection tube space and a second connection tube space are formed; a housing body in which a second inner space is formed; an upper filter structure which divides the second inner space into a first housing body space and a second housing body space and includes an upper filter; and a housing head including a first water inlet port, a first water outlet port, a second water inlet port, and a second water outlet port.

Abstract: A hot water supply device includes: a water purification filter which purifies raw water; a heating unit into which purified water that has been filtered in the water purification filter flows, and which generates pre-heated water by heating the purified water to a first pre-heating temperature, or generates hot water by heating the purified water or reserve water, which is stored pre-heated water, to a target temperature that is higher than the first pre-heating temperature; a pre-heating tank in which the pre-heated water is stored as reserve water; a flow switching unit which switches the direction of the flow between the heating unit and the pre-heating tank; and a control unit which controls the heating unit and the flow switching unit.

Abstract: A bidet includes: a main body; a board unit disposed inside the main body and including a printed circuit board for mounting an electronic device thereon; and a cleaning agent container that contains a cleaning agent and is detachably inserted into the main body. The cleaning agent container is formed in an approximately square shape when viewed from above, and the cleaning agent container is located adjacent to the board unit when mounted to the main body.

Abstract: An air blower is disclosed. An air blower according to an aspect of the present invention includes: a fan member rotatably provided to provide transfer force to fluid; a flow passage-forming member accommodating the fan member, having a space that communicates with the outside, and including an outer periphery that encompasses the fan member; a scroll unit rotatably accommodated in the space of the flow passage-forming member; and a housing, which communicates with the space of the flow passage-forming member and the outside, covers the space of the flow passage-forming member and the scroll part, and is coupled to the flow passage-forming member, wherein the scroll unit includes: a scroll motor fixedly coupled to the housing; a scroll body coupled to the scroll motor so as to rotate by means of the operation of the scroll motor; and a scroll opening penetrating the outer periphery of the scroll body so as to allow the space of the flow passage-forming member to communicate with the outside.

Abstract: A filter assembly includes a housing having an accommodation space formed therein so as to communicate with an external raw water supply unit and a purified water discharge unit, respectively; a filter unit formed to extend from one direction toward the other direction and accommodated in the accommodation space of the housing such that raw water supplied from the external raw water supply unit is filtered, thereby generating purified water; and a cover unit accommodated in the accommodation space of the housing so as to support the filter unit.

Abstract: The present invention provides a cold water tank. In the cold water tank, an accommodation space for accommodating a fluid is partitioned by means of partition walls alternately disposed in the transverse direction such that the fluid flows straight along the partition walls, and an evaporator having m evaporation pipes forming an offset and m?1 connection pipes connecting the m evaporation pipes is disposed in the accommodation space opposite to the partition walls so as to be heat-exchanged with the fluid. Therefore, the cold water tank has increased contact surface area heat-exchanged with the fluid and prevents excessive ice formation, and thus provides an enhanced cold water dispensing performance.

Abstract: A bidet includes: a bidet body part; an operating part; and a power supply part. The operating part includes: an outer housing having a first space formed therein; and a cover covering the opening of the outer housing and being detachably coupled to the outer housing. The power supply part includes: an inner housing, provided in the first space of the outer housing, which has, therein, a second space that is smaller than the first space, and has a first guide member slantedly formed on one side thereof; a battery cartridge, provided in the second space of the inner housing, which has, on the outer surface thereof, a second guide member coupled to the first guide member, and is exposed to the outside with respect to the inner housing according to the second guide member position relative to the first guide member; and a battery in the battery cartridge.

Abstract: Disclosed is a hot water discharging apparatus. A hot water discharging apparatus according to an embodiment of the present invention comprises: a water heater for heating water that has flowed into hot water, and discharging the hot water; and a hot water discharge unit that is connected to the water heater so that the hot water discharged from the water heater is discharged to the outside, wherein the water heater is provided with an outlet through which the hot water is discharged, the hot water discharge unit includes a hot water discharge member connected to the outside so that the hot water is discharged to the outside, and the water heater may be disposed so that the outlet is located higher than the hot water discharge-side end of the hot water discharge member.

Abstract: The tube-shaped pleated filter member may comprise: a filter body having a tube shape such that a filter medium is pleated and is wound; and a support unit. The filter body may comprise outer pleated portions corresponding to the outside of the tube shape, and inner pleated portions corresponding to the inside of the tube shape. An inner virtual line connecting corners of the inner pleated portions may have the shape in which a unit wave shape recessed in the outward direction is repeated. Assuming, that the thickness at a part having the maximum distance between the inner virtual line and the outer virtual line is a first thickness (T1), the first thickness (T1) may have a range defined by [equation 1] with regard to the diameter (D) of the outer virtual line. D/15?T1?D/6.

Abstract: The present invention relates to a water purifier characterized by including: a purified water supply unit for supplying purified water produced by filtering raw water; a hot water generation unit for generating hot water by heating the purified water supplied from the purified water supply unit; a hot water discharge unit for discharging the hot water generated by the hot water generation unit to the outside; and a control unit which receives a set temperature and a set water discharge quantity of the hot water as input and controls the purified water supply unit, the hot water generation unit, and the hot water discharge unit such that the hot water is discharged at the set temperature in the set water discharge quantity, wherein the hot water generation unit includes a storage member for storing the purified water and a heater for heating the purified water stored in the storage member, and the control unit operates the heater when the hot water is being discharged to the outside by the hot water discharge