The present invention relates to a porous microfiltration membrane and a manufacturing method therefor. The manufacturing method according to the present invention is a method for manufacturing a microfiltration membrane having excellent permeation flux and is based on use and composition of glycol-based and inorganic salt additives, which are various viscosity-increasing additives. Provided are: a polymer composition comprising a polymer and various viscosity-increasing additives for forming pores on the surface of a membrane; a porous microfiltration membrane obtained by casting the polymer composition, exposing same under appropriate temperature and constant humidity conditions for several minutes, and then immersing same in a non-solvent; and a method for manufacturing the porous microfiltration membrane.
According to one embodiment of the present invention, provided is a porous multilayer hollow fiber membrane and a method for manufacturing same, wherein the porous multilayer hollow fiber membrane comprises: a hollow body; a first layer formed on an outer surface of the hollow body; and a second layer formed on an outer surface of the first layer, and has a water permeability higher than a predetermined value and is capable of removing viruses.
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
Provided according to an embodiment of the present invention are a filter head and a filter assembly comprising same, the filter head comprising: a filter head housing that has an inlet part and an outlet part and also has a fastening part that is fastened to a filter; and a flow path switching part which is provided inside the housing and in which the flow path is switched according to the fastening of the filter, wherein the flow path switching part comprises: a first switching part which, due to the filter being mounted, opens a first flow path so that raw water that has flowed into the inlet part can flow into the filter, and, due to the filter being separated, closes the first flow path; and a second switching part which opens a second flow path due to the filter being separated and closes the second flow path due to the filter being mounted.
Provided according to an embodiment of the present invention are a filter head and a filter assembly comprising same, the filter head comprising: a filter head housing that has an inlet part and an outlet part and also has a fastening part that fastens to a filter; and a flow path switching part which is provided inside the housing and in which the flow path is switched according to the fastening of the filter, wherein the flow path switching part comprises: a first switching part which, when the filter is mounted, opens a first flow path providing fluid communication with the filter, and, when the filter is separated, closes the first flow path; and a second switching part which opens and closes a second flow path by descending or ascending depending on whether or not the filter is mounted.
An embodiment of the present invention may provide a filter assembly and a washing machine including same. The filter assembly may comprise: a filter housing having an inlet unit and an outlet unit formed such that washing water is introduced from the outside, filtered, and then discharged; a filter unit disposed in the body of the filter housing; a cleaning unit coupled to be movable in the axial direction of the filter housing and having one side in contact with the filter unit to remove foreign substances attached to the surface of the filter unit; and a driving unit interlocked with the cleaning unit to provide a driving force to the cleaning unit.
An embodiment of the present invention may provide a filter assembly and a washing machine including same. The filter assembly may comprise: a filter housing including an inlet unit, through which washing water is introduced, and an outlet unit, through which the filtered washing water is discharged; a filter unit for filtering the washing water introduced through the inlet unit; a pump fluidly communicating with the inlet unit and supplying the washing water such that the washing water is introduced into the inlet unit from the drain line of a washing machine; and a detection unit for detecting at least one of the flow rate and drainage of the washing machine.
D06F 34/22 - Condition of the washing liquid, e.g. turbidity
D06F 33/42 - Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
D06F 37/24 - Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casingPreventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
water filters; water filtering apparatus; filters for water filtering apparatus; water filtration and purification apparatus; filters for water purifying apparatus; parts of filter for water purifying apparatus, namely, water filters; micro filter for water treatment; water filtering apparatus for refrigerator; water purifying apparatus for refrigerator; water filters for refrigerator; water filters for water filtering apparatus for refrigerator; water filtration and purification units and replacement cartridges and filters therefor for refrigerators
The present invention comprises: a first filter case having an inflow part and a discharge part to allow inflow of washing water from the outside and discharge of same after filtration; and a second filter case arranged a set distance from at least one surface of the inner circumferential surface of the first filter case and having at least one filter unit provided on at least one surface thereof, wherein at least one of the filter units is positioned on the upper side and lower side of the second filter case, and the washing water can be filtered as same flows from the lower to upper side of the filter unit.
The present invention comprises: a first filter case having at least one inflow part and at least one discharge part provided as independent flow paths on one side to filter and discharge foreign substances after supplied water flows in from the outside, and having an inner space in which the supplied water is accommodated; a second filter case disposed at a set distance from at least one surface of the inner circumferential surfaces of the first filter case and having at least one filter unit provided in an inner space thereof; and a foreign material prevention unit provided to open and close the inflow part, preventing foreign substances from flowing thereinto.
B01D 29/88 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
D06F 39/08 - Liquid supply or discharge arrangements
11.
FILTER ASSEMBLY AND WASHING MACHINE COMPRISING SAME
The present invention provides a filter assembly and a washing machine comprising same, the filter assembly comprising: a first filter case having an inflow part and a discharge part to allow inflow of washing water from the outside and discharge of same after filtration; and a second filter case detachably mounted in the first filter case and provided with at least one pouch-shaped filter part, wherein the filter part comprises a first filter net and a second filter net adhered to at least a part of the first filter net.
Proposed is a water purification filter assembly including a filter main body, an inlet port through which feed water is supplied from the outside and an outlet port through which the purified feed water is discharged being formed in the filter main body, a water purification tank arranged on one side of the filter main body, the feed water purified in the filter main body being stored in the water purification tank, a first casing, at least one side of the water purification tank being accommodated in the first casing obliquely at a predetermined angle with respect to the ground, and a second casing perpendicularly coupled to one end portion of the first casing, the filter main body being accommodated in the second casing.
C02F 1/00 - Treatment of water, waste water, or sewage
F25D 17/02 - Arrangements for circulating cooling fluidsArrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
Provided are a filter unit and a refrigerator comprising same, the filter unit comprising: a filter housing in which an inlet is formed so that raw water flows in from the outside; a filter coupling structure that is coupled to the filter housing and accommodates a filter for purifying the raw water, wherein the filter coupling structure is coupled to be communicatively coupled to the inlet of the filter housing; a filter head coupled to the filter housing and having an inlet port protruding on one side for supplying raw water from the outside, and an outlet port protruding on the other side for discharging water purified by the filter housing; a filter bracket coupled to the filter housing and having an inlet port coupling part to which the inlet port is rotatably coupled, and an outlet port coupling part to which the outlet port is rotatably coupled; and a sealing cover coupled to the lower part of the filter housing.
F25D 23/12 - Arrangements of compartments additional to cooling compartmentsCombinations of refrigerators with other equipment, e.g. stove
F25D 11/02 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators with cooling compartments at different temperatures
The present invention provides a rotary filtering assembly and a washing machine comprising same, the rotary filtering assembly comprising: a filter housing body having an inlet and an outlet for wash water to be introduced from the outside and then filtered and discharged; a filter part disposed inside the filter housing body; and a rotary impeller unit rotatably coupled to a center shaft of the filter housing body and having at least one flange part.
B01D 29/64 - Regenerating the filter material in the filter by scrapers, brushes or the like, acting on the cake side of the filtering element
B01D 29/88 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices
B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
The present invention provides a filter assembly and a washing machine comprising same, the filter assembly comprising: a filter housing having an inlet, through which wash water is introduced, and an outlet, through which the introduced wash water is discharged after being filtered; and a filtration part disposed inside the housing and having a plurality of filters for filtering the wash water introduced through the inlet stacked therein at a predetermined distance apart from each other, wherein the filters each comprise a filtration member for filtering the wash water, and a filter tray for fixing the filtration member.
B01D 29/52 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
B01D 29/05 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements supported
B01D 29/88 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
The present invention relates to a filter assembly having a variable flow bypass flow path and capable of adjusting the content of a hardness material, wherein the filter assembly comprises: a filter having a bypass flow path pipe through which raw water is introduced, filtered, and discharged; and a filter head in which the filter is accommodated at the lower portion and which includes a flow control means capable of adjusting an inflow amount of the raw water flowing into the bypass flow path pipe, wherein the filter comprises: a housing having an inlet through which the raw water flows and an outlet through which filtered purified water is discharged to the outside, and having a stepped structure so as to be coupled to the filter head; and a filtering unit for filtering the raw water flowing through the inlet in the housing.
C02F 5/08 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
The present invention relates to a connection unit for controlling a flow rate and comprises: a flow rate control plate, which serves as an elastic body; and a connection unit body in which the flow rate control plate is inserted. Provided are a fluid passage connection unit for controlling a flow rate and a water supply valve including same, wherein a connection unit body of the connection unit comprises: a center shaft in which a flow rate control plate is inserted; a support part protruding from the connection unit body to support the flow rate control plate; and at least one flow rate control part formed to extend through the connection unit body and allowing a fluid to pass therethrough, and wherein the flow rate of the fluid is controlled by the deformation of the flow rate control plate.
F16K 31/12 - Operating meansReleasing devices actuated by fluid
F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
F16K 25/00 - Details relating to contact between valve members and seats
B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
19.
Filter assembly capable of adjusting elimination of solid materials using flow-variable bypass flow path
Disclosed is a filter assembly capable of adjusting elimination of solid materials using a flow-variable bypass flow path. The filter assembly includes a filter portion (100) which includes a cover portion (110) formed on top to have a shape in which a bypass flow pipe (112) and a water discharge pipe (113) sequentially surrounds a perimeter of a vertically protruding original water inflow pipe (111) in a stepped structure and accommodates a filter body therein and a filter cartridge header (200) in which the cover portion (110) of the filter portion (100) is accommodated therebelow and which includes a bypass flow rate control unit (300) capable of adjusting an inflow amount of original water flowing into the bypass flow pipe (112).
Water purifiers for household purposes; Electric water purifiers for household purposes; Filters for water purifiers; Water purifiers for industrial use; Filters for ice making apparatus; Water filters; Water treatment filters; Water filtering apparatus; Water filtering installations; Filters for drinking water; Domestic water filtering units; Membranes for water filtering apparatus; Water filtering apparatus for industrial use; Electric water purification filters for household purposes; Power filters for water purification [other than machines]; Reverse osmosis filtration units [water treatment equipment].
21.
WATER PURIFIER FILTER ASSEMBLY AND REFRIGERATOR COMPRISING SAME
A water purifier filter assembly according to the present invention comprises: a filter body having an inlet port through which raw water supplied from the outside is supplied and an outlet port through which purified raw water is discharged; a purified water tank that is disposed on one side of the filter and stores therein purified water purified by the filter; a first case in which at least one side of the purified water tank is inclined at a predetermined angle with respect to the ground; and a second case that is coupled in a vertical direction from one end of the first case, and stores the filter body therein.
Provided are a filter unit which may easily replace a filter, and a refrigerator including the same.
To this end, a filter unit according to the present disclosure includes a filter which purifies water, a filter head which is disposed on one end portion of the filter, and includes an inlet port which supplies raw water to the filter and is formed to protrude from one side thereof, and an outlet port which discharges pure water purified by the filter and is formed to protrude from the other side thereof, a filter housing which is formed with a filter accommodation space in which the filter is accommodated, a filter bracket which is coupled to the filter housing, and includes an inlet port coupling part to which the inlet port is coupled rotatably, and an outlet portion coupling part to which the outlet port is coupled rotatably, and a filter door which is coupled to the filter housing to open and close the filter accommodation space.
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
C02F 1/00 - Treatment of water, waste water, or sewage
F25D 23/12 - Arrangements of compartments additional to cooling compartmentsCombinations of refrigerators with other equipment, e.g. stove
Non-electric water purifiers for household purposes;
electric water purifiers for household purposes; water
purifiers for household purposes; ice making water purifier
for household purposes; filtering apparatus for water
purifiers for household purposes; electrolytic ion water
purifier for household purposes; cartridge filter for water
purifiers for household purposes; water purifier filter for
household purposes; water purifier filter cartridges for
household purposes; bidets; ice making machines; ice
machines; air purifying apparatus.
(1) Electric water purifiers for household purposes; water purifiers for household purposes; water purifying apparatus for household purposes; water purifying apparatus for commercial purposes; filters for non-electric water purifiers for household purposes; filters for electric water purifiers for household purposes
The present invention relates to a filter cap including a genuine product certification portion. According to one embodiment of the present invention, a genuine product certification portion is disposed in a cover portion and is not seen from the outside, thus preventing the trouble that genuine product certification information is easily copied due to the exposure of conventional genuine product certification portions to the outside.
The present invention provides a water filter, having a leakage detection means, comprising: a housing having a filter therein; a header which is coupled to the housing and by means of which a source water flows in and a purified water is discharged; a leakage detection unit formed on the outer side of the housing and for detecting a leakage that occurs from the header; and a leakage guide unit formed on the upper side of the leakage detection unit and for guiding the leakage so as to flow into the leakage detection unit.
The present invention provides a water filter comprising: a header having the lower side open; a housing having the upper side open, having an inner space, and coupled to the lower side of the header and thus sealed; a filter unit which is accommodated in the housing, is for purifying a source water flowing into the housing through the header, and is for storing the purified water in a purified water inlet space; and a disk coupled to the lower side of the filter unit such that the source water and the purified water are not mixed, wherein the disk has a protrusion portion integrally extending so as to protrude into the purified water inlet space of the filter unit.
A parallel flow channel type filter cartridge includes a filter portion which includes a plurality of filter bodies and a plurality of filter housings corresponding to the plurality of filter bodies and independently accommodating the respective filter bodies and a cartridge header in which a top is formed in a structure in which a tap water pipe surrounds a perimeter of a purified water pipe, a plurality of filter accommodating pipes coupled with top ends of the plurality of filter housings which form the filter portion to seal an inside of the filter portion are formed at a bottom, and a parallel structure type flow channel which allows tap water to flow into the plurality of filter accommodating pipes at the same time and then allows the water purified while passing through the plurality of filter bodies to be discharged through the purified water pipe is formed therein.
A serial flow channel type filter cartridge includes a filter portion which includes a plurality of filter bodies and a plurality of filter housings corresponding to the plurality of filter bodies and independently accommodating the respective filter bodies and a cartridge header in which a top is formed in a structure in which a tap water pipe surrounds a perimeter of a purified water pipe, a plurality of filter accommodating pipes coupled with top ends of the plurality of filter housings which form the filter portion to seal an inside of the filter portion are formed at a bottom, and a serial structure type flow channel which allows tap water to sequentially flow into the plurality of filter accommodating pipes and then allows the water purified while sequentially passing through the plurality of filter bodies to be discharged through the purified water pipe is formed therein.
A filter cartridge assembly is provided. The filter cartridge assembly includes a filter head having an inlet and an outlet, an inner moving up or down in the filter head by an elastic unit, and a locking/unlocking part to control the inner to be stopped in a state that the inner moves up and to move down in state that the inner is stopped such that a filter cartridge is detachably installed in the filter head through the up-down movement of the inner, wherein, in order to allow the inner, which moves up or down in the filter head, to linearly move up only to separate the filter cartridge and to prevent the filter cartridge from being arbitrarily separated when the inner moves down. The inner includes an inner main body, and a holder including a plurality of wing pieces, in which the holder formed on a lower end of the inner main body are provided with the wing pieces which are spaced apart from each other to operate inward and outward, respectively, when the inner moves up or down. Each of the wing pieces includes a protrusion for inducing the inner to be retracted inward while tightly making contact with an inner wall of the filter head when the inner moves up, and a holder protrusion formed at an opposite side of the protrusion to hold the filter cartridge. The protrusion of the wing piece releases an operation of the holder protrusion holding the filter cartridge in a state that the inner moves down, and the filter head is provided with an inner groove rim on a portion at which the protrusion is placed in the state that the inner moves down such that the protrusion is inserted into the inner groove rim to be latched to the inner groove rim, thereby preventing the inner from being arbitrarily separated from the filter head.
A locking-unlocking structure for guiding forward lifting of a lifting body lifted by repeating a pushing action is provided. The locking-unlocking structure includes an actuation guide unit provided at a center thereof therein with a stop groove to guide stop of a lifting body in a lifting state, having a lifting line and a falling line branching downward from the stop groove, and fixedly coupled to a fixing body, and an actuation unit comprising a lifting plate having a stop protrusion, which is mounted in the stop groove of the actuation guide unit or circulates along the lifting line and the falling line, and coupled to the lifting body movably left and right. The guide protrusion protrudes from the falling line of the actuation guide unit while being inclined downward along the falling line to block an entrance so that the stop protrusion of the lifting plate is prevented from entering the falling line when the lifting plate of the actuation unit is lifted. The guide protrusion is provided in an elastic member to be elastically actuated when the stop protrusion of the lifting plate falls along the falling line.
F16M 13/00 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles
B01D 27/00 - Cartridge filters of the throw-away type
37.
Locking-unlocking structure for stopping lifting body, which is lifted and fallen through repetition of pushing actions, in lifting state and for releasing stopping state of lifting body
A locking-unlocking structure for stopping a lifting body, which is vertically lifted and falls through repetition of a pushing action, in a lifting state and for releasing a stopping state of the lifting body is provided. The locking-unlocking structure includes a lifting body, which is exactly lifted immediately upward, or falls without being fluctuated left and right and, to control lifting and falling operations of the lifting body, an actuation unit is mounted in the lifting body movably left and right, and an actuation guide unit, which guides an operation of the actuation unit, is fixedly mounted in a fixing body, and the lifting body is provided therein with a rotation groove allowing the actuation unit to be movable left and right when the lifting body is lifted or falls, and a rotation shaft rotatably coupled to the rotation groove is provided at one side of a lifting plate. The lifting plate is provided on a lower end of an opposite side thereof with a stop protrusion circulating a lifting line and a falling line branching left and right. The actuation guide unit, which is configured to guide an operation of the actuation unit, includes the lifting line having a rising curve line and the falling line having a falling curve line, the lifting line and the falling line branching left and right at a lower end of the actuation guide unit, to guide repeatedly circulating operations of the actuation unit. The actuation guide unit is provided at a central upper portion thereof with a stop groove interposed between the lifting line and the falling line to securely mount the stop protrusion in the stop groove.
Disclosed herein is a filter assembly, and more particularly, to a filter assembly in which an uneven portion is formed on an inner wall of a hollow external housing and a filter fastening unit which includes a pressurized section pressurized by the uneven portion is formed around an inner cap which moves up and down along an inner surface of the external housing to firmly fasten a filter.
B01D 35/12 - Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration
B01D 29/56 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
The present invention relates to a purifier filter assembly having a bypass function for a flow path, and more particularly, to a purifier filter assembly which comprises a cap having an outlet path connected to an outlet port and a purification filter coupled with the cap for purifying introduced raw water, wherein an inlet path is formed to be connected to an inlet port. The cap has: an intake control space connected to the inlet path with a fixing plug mounted on top thereof; and a purification control space connected to the inlet path and the outlet path with a supporting plug mounted at the bottom thereof. A raw water control valve is installed in the intake control space to control the intake of raw water, and a flow path conversion valve is installed in the purification control space to control the purification of the introduced raw water so that the introduced raw water is discharged via the outlet port when the purification filter is separated from the cap. The purification filter has a supporting protrusion and a pair of pressing parts so that the introduced raw water is purified and discharged by the flow path conversion valve and the raw water control valve being pressed when the purification filter is coupled with the cap. Thereby, the introduced raw water is bypassed without any additional manipulation when separating the purification filter from the cap.
The present design relates to a disinfection unit for a water purifier which uses an ultraviolet lamp to disinfect water being purified and discharged. The present design provides a disinfection unit for a water purifier wherein a corrugated pipe, which covers the entire space between an inlet pipe and an outlet pipe, has a plurality of repeating corrugations and is arranged on the inner wall of a casing to enable water passing through the disinfection unit to be uniformly disinfected by ultraviolet rays and discharged. This disinfection unit enables water introduced through the inlet pipe to form a vortex flow by means of the corrugations in the corrugated pipe so that water is discharged after remaining in the disinfection unit for a sufficient amount of time and is thus fully disinfected, thereby significantly improving disinfection efficiency. Additionally, the shapes of the present pipes are maintained in a stable manner even though they are thinner than conventional high durability steel pipes, and manufacturing costs are thus reduced.
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
water purifiers for household use; filtration apparatus for water purifiers for household use; cartridge filters for water purifiers for household use; filters for water purifiers for household use; filter cartridges for water purifiers
