WO2023249180A1 - Unité de filtre et réfrigérateur la comprenant - Google Patents

Unité de filtre et réfrigérateur la comprenant Download PDF

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Publication number
WO2023249180A1
WO2023249180A1 PCT/KR2022/019729 KR2022019729W WO2023249180A1 WO 2023249180 A1 WO2023249180 A1 WO 2023249180A1 KR 2022019729 W KR2022019729 W KR 2022019729W WO 2023249180 A1 WO2023249180 A1 WO 2023249180A1
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WO
WIPO (PCT)
Prior art keywords
filter
coupled
coupling portion
housing
inlet
Prior art date
Application number
PCT/KR2022/019729
Other languages
English (en)
Korean (ko)
Inventor
황필강
주진우
정민규
송준섭
정휘동
Original Assignee
주식회사 마이크로필터
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 마이크로필터 filed Critical 주식회사 마이크로필터
Publication of WO2023249180A1 publication Critical patent/WO2023249180A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B01D35/306—Filter mounting adapter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/302—Details of removable closures, lids, caps, filter heads having inlet or outlet ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/121—General constructional features not provided for in other groups of this subclass the refrigerator is characterised by a water filter for the water/ice dispenser

Definitions

  • the present invention relates to a filter unit and a refrigerator including the same, and more specifically, to a filter unit with a filter for purifying water installed in a case and a refrigerator including the same.
  • a water purifier purifies tap water to provide high-quality drinking water to users, and includes at least one filter to remove microorganisms, minerals, or odors from the tap water.
  • the filter gradually loses its function as the tap water is purified, so it must be replaced periodically. Therefore, a structure was required to allow users to easily replace the filter.
  • Republic of Korea Public Utility Model Publication No. 20-2011-0001021 (published on January 31, 2011) (hereinafter referred to as 'prior art') discloses a 'water purification filter combination structure for a water purification system'.
  • an inlet and an outlet are formed in the form of protrusions on a cap fastened to a filter, and the inlet and the outlet are rotatably fastened to a pair of holders, so that the user can use the inlet and outlet as the pair.
  • the filter could be easily replaced by rotating the cap so that the holder was rotated about the rotation center.
  • the filter is installed in the same filter case as the case of the home appliance, such as the water purifier or the refrigerator, and the filter case is configured to be easily coupled to the case of the home appliance, the filter can be easily installed in the home appliance. There will be. However, even in this case, it is necessary to facilitate replacement of the filter.
  • the present invention was devised to solve the above-described technical problem, by providing an improved structure so that a filter unit coupled to a refrigerator or water purifier has a structurally stable coupling structure, so that the internal components of the filter unit are stably coupled and robust.
  • the purpose is to provide a filter unit that can be fixed and a refrigerator including the same.
  • Another object of the present invention is to provide a filter unit that can be stably assembled by preventing reverse assembly or misassembly during the assembly process of a filter unit coupled to a refrigerator or water purifier, and a refrigerator including the same.
  • a filter housing in which an inlet is formed to allow raw water to flow in from the outside;
  • a filter coupling structure including a guide bracket;
  • a filter head coupled to the filter housing, having an inlet port for supplying raw water from the outside protruding on one side, and an outlet port for discharging purified purified water from the filter housing protruding on the other side;
  • a filter bracket coupled to the filter head and having an inlet port coupling portion to which the inlet port is rotatably coupled, and an outlet port coupling portion to which the outlet port is rotatably coupled;
  • It may include a sealing cover coupled to the lower part of the filter housing.
  • the inlet port coupling portion and the outlet port coupling portion may be formed at least partially open.
  • a rotational position regulating protrusion is formed on the outer peripheral surface of one of the inlet port and the outlet port,
  • a stepped rib may be formed on one of the inlet port coupling portion and the outlet port coupling portion to regulate the rotation position of the rotation position regulating protrusion when the filter head is coupled to the filter bracket.
  • At least one rotational position regulating groove is formed on the outer peripheral surface of one of the inlet port and the outlet port,
  • At least one step rib may be formed on one of the inlet port coupling portion and the outlet port coupling portion to regulate the rotational position of the rotational position regulating groove when the filter head is coupled to the filter bracket.
  • the guide bracket is,
  • It may include at least one fixing protrusion extending from the outer peripheral surface of the extension coupling part.
  • the extension coupling portion may include a structure further formed with a residual water prevention portion that suppresses movement of residual water.
  • the residual water prevention unit In one embodiment of the present invention, the residual water prevention unit,
  • a rib is formed protruding along the outer peripheral surface of the extended coupling portion, and the rib may include a structure in which a plurality of flow holes are formed to induce a water film due to an increase in viscosity to suppress movement of the remaining water.
  • an O-ring made of rubber may be formed at an end of the extension coupling portion to provide a sealing force when communicating with the inlet portion.
  • the airtight cover may include a structure coupled to the lower end of the filter housing by welding.
  • the filter head and the filter housing may include a structure in which they are rotationally coupled to each other.
  • It includes a filter unit located on an upper inner side of the first compartment or the second compartment,
  • the filter unit is,
  • a filter housing in which an inlet is formed to allow raw water to flow in from the outside;
  • a filter coupling structure including a guide bracket;
  • a filter head coupled to the filter housing, having an inlet port for supplying raw water from the outside protruding on one side, and an outlet port for discharging purified purified water from the filter housing protruding on the other side;
  • a filter housing having a filter accommodation space in which the filter is accommodated
  • a filter bracket coupled to the filter housing and having an inlet port coupling portion to which the inlet port is rotatably coupled, and an outlet port coupling portion to which the outlet port is rotatably coupled;
  • It may be configured to include a sealing cover coupled to the lower part of the filter housing.
  • the filter unit and the refrigerator including the same provide an improved structure so that the filter unit coupled to the refrigerator or water purifier has a structurally stable coupling structure, so that the internal components of the filter unit are stably coupled and firmly fixed. There is a possible effect.
  • the filter unit according to the present invention and the refrigerator including the same have the effect of preventing reverse assembly or misassembly during the assembly process of the filter unit coupled to the refrigerator or water purifier and enabling stable assembly.
  • FIG. 1 is a diagram showing a refrigerator equipped with a filter unit according to an embodiment of the present invention
  • Figure 2 is a front view showing a filter unit according to an embodiment of the present invention.
  • Figure 3 is an exploded perspective view of a filter unit according to an embodiment of the present invention.
  • Figure 4 is a diagram showing the assembly process of the filter unit according to an embodiment of the present invention.
  • FIGS. 5 and 6 are diagrams showing the combined structure of a filter unit according to an embodiment of the present invention.
  • FIGS. 7 to 9 are diagrams showing the filter coupling structure of the filter unit according to an embodiment of the present invention.
  • Figure 10 is a view showing the coupling structure of the filtration main body and the filter coupling structure according to an embodiment of the present invention.
  • FIG. 1 is a diagram showing a refrigerator equipped with a filter unit according to an embodiment of the present invention.
  • a refrigerator equipped with a filter unit 100 includes a main body 7 in which a refrigerating chamber and a freezing chamber are formed, and doors 8A and 8B that open and close the front opening of the main body 7. , 9) may be included.
  • the main body 7 may be formed in a square shape with an open front surface.
  • the open front of the main body 7 may be the open front of the refrigerating compartment and the freezing compartment.
  • the refrigerating compartment may be placed above the freezing compartment. However, the refrigerating compartment may be located lower than the freezing compartment.
  • the doors 8A, 8B, and 9 may include a refrigerator compartment door 8A, 8B that opens and closes the refrigerator compartment, and a freezer compartment door 9 that opens and closes the freezer compartment.
  • the refrigerating compartment doors (8A, 8B) may be placed above the freezing compartment door (9). However, when the refrigerating compartment is located lower than the freezing compartment, the refrigerating compartment doors 8A and 8B may be placed lower than the freezing compartment door 9.
  • the refrigerating compartment doors 8A and 8B may include a first refrigerating compartment door 8A that opens and closes a portion of the refrigerating compartment, and a second refrigerating compartment door 8B that opens and closes the remaining portion of the refrigerating compartment.
  • the first refrigerating compartment door 8A is rotated to the left to open and close the left side of the refrigerating compartment
  • the second refrigerating compartment door 8B is rotated to the right to open and close the right side of the refrigerating compartment.
  • the first refrigerating compartment door 8A When looking at the refrigerator from the front, the first refrigerating compartment door 8A may be placed on the left side of the second refrigerating compartment door 8B, and the second refrigerating compartment door 8B may be placed on the right side of the first refrigerating compartment door 8A. can be placed.
  • the freezer door 9 may be provided as one.
  • the freezer door 9 can be opened and closed by sliding back and forth.
  • a filter unit 100 may be installed in the upper right room of the refrigerating compartment. However, the filter unit 100 may be installed at the top of the left room inside the refrigerating compartment, may be installed at the top of the right room inside the freezer, or may be installed at the top of the left room inside the freezer.
  • the refrigerator may be formed as a freezer without the refrigerating compartment but with only a freezing compartment, or it may be formed as a refrigerator with only the refrigerating compartment and without the freezer compartment.
  • refrigerator compartment doors 8A and 8B may be provided as one door instead of two, and the freezer compartment door 9 may be provided as two doors instead of one door.
  • the refrigerator according to the embodiment of the present invention has a refrigerating compartment at the top and a freezer compartment at the bottom, the refrigerator compartment is equipped with two doors 8A and 8B that open and close by rotating on both sides, and the freezer compartment has front and rear doors.
  • the explanation was given as an example of an FDR (French Door Refrigerator) type refrigerator equipped with a door 9 that slides and opens and closes in a drawer style, but it is not limited to the FDR type refrigerator, and an SBS (Side By Refrigerator) with two doors opening on both sides. Side) door type refrigerator may also be included.
  • FDR Frnch Door Refrigerator
  • SBS Standard By Refrigerator
  • the filter unit 100 is installed in the first compartment or the second compartment. It can be installed on the top of the side inside the ment. In some cases, the filter unit 100 may be formed outside the first compartment or the second compartment.
  • Figure 2 is a front view showing a filter unit according to an embodiment of the present invention
  • Figure 3 is an exploded perspective view of a filter unit according to an embodiment of the present invention
  • Figure 4 is an assembly process of a filter unit according to an embodiment of the present invention.
  • the filter unit 100 can be detachably mounted on a home appliance.
  • the home appliance may be a water purifier or a refrigerator that also functions as a water purifier.
  • the filter unit 100 may be placed in an independent configuration in a separate space outside.
  • the home appliance may include any home appliance that can provide a water purification function other than the water purifier or the refrigerator.
  • the filter unit 100 has a filter housing 110 with an inlet formed to allow raw water to flow in from the outside, and is coupled to the filter housing 110 so as to communicate with the inlet 111 of the filter housing 110.
  • a filter coupling structure 200 that accommodates a filter (F) through which the raw water is purified, is coupled to the filter housing 110, and an inlet port 122 for supplying the raw water from the outside is protruding on one side, and the filter
  • a filter head 120 having an outlet port 121 for discharging purified purified water from the housing 110 protruding from the other side, coupled to the filter housing 110, and an inlet to which the inlet port 122 is rotatably coupled.
  • a filter bracket 150 formed with a port coupling portion 152 and an outlet port coupling portion 151 to which the outlet port 121 is rotatably coupled, and a sealing cover 130 coupled to the lower portion of the filter housing 110. ) and consists of:
  • the filter housing 110 is hollow and cylindrical.
  • An inlet 111 through which the raw water flows is formed in the upper part of the filter housing 110. Accordingly, raw water from the outside can easily flow into the inside of the filter housing through the inlet 111.
  • the filter head 120 is coupled to the inlet 111 of the filter housing 110 so as to guide the raw water into and out the inlet 111 of the filter housing 110.
  • an inlet port 122 through which the raw water flowing in through the inlet 111 of the filter housing 110 is supplied and an outlet port 121 through which purified purified water is discharged are formed at opposing positions. It is done.
  • the filter head 120 may be rotationally coupled to the filter housing 110.
  • a separate fastening groove (not shown) is formed on the lower side of the filter head 120, as shown in FIG. 2, and the inlet 111 is formed at the upper end of the filter housing 110.
  • a fastening protrusion (not shown) is formed on the outer peripheral surface of . Accordingly, the fastening protrusion of the filter housing 110 may be rotationally coupled and fixed to the fastening groove of the filter head 120 using a hook fastening method.
  • the filter coupling structure 200 may be inserted into and coupled to the interior of the filter housing 110.
  • the filter coupling structure 200 may be inserted and fixed in communication with the inlet 111 of the filter housing 110 in a state in which the filter portion F is coupled in the longitudinal direction.
  • the filter coupling structure 200 is coupled to the filter housing 110 and is characterized in that it provides a structure that is firmly fixed without flowing.
  • the filter bracket 150 may be coupled to the filter head 120 to which the filter housing 110 is coupled.
  • the filter bracket 150 is coupled to the filter head 120, and includes an inlet port coupling portion 152 to which the inlet port 122 of the filter head 120 is rotatably coupled, and an outlet port of the filter head 120 ( Outlet port coupling portions 151 to which 121 is rotatably coupled are formed, respectively.
  • the inlet port coupling portion 152 of the filter bracket 150 and the outlet port coupling portion 151 of the filter bracket 150 are partially open. Accordingly, the inlet port 122 and the outlet port 121 of the filter head 120 are inserted into the opened portion and are connected to the inlet port coupling portion 152 and the outlet port coupling portion 151 of the filter bracket 150, respectively. It can be combined and removed by rotating in the combined state.
  • the filter unit 100 according to the present invention described above can prevent misassembly or reverse assembly during the assembly process.
  • the filter unit 100 may be incorrectly assembled due to damage to the outer surface due to excessive rotation or reverse coupling.
  • the filter head 120 and the filter bracket 150 are provided with a structure to prevent such misassembly phenomenon.
  • the outer periphery of the inlet port 122 of the filter head 120 has an angle greater than or equal to a predetermined angle while the filter head 120 is coupled to the filter bracket 150.
  • a rotation position regulating protrusion 121-1 is formed to suppress rotation.
  • a device is provided on the outer periphery of the inlet port coupling portion 152 of the filter head 120 to regulate the rotational position of the rotational position regulating protrusion 121-1 when the filter head 120 is coupled to the filter bracket 150.
  • a stepped rib 151-1 is formed. Accordingly, the filter head 120 can be stably and rotationally coupled to the filter bracket 150.
  • the outlet of the filter head 120 is connected to the inlet port coupling portion 152 of the filter bracket 150, as shown in FIG. 6(b). If the port 121 is assembled in the reverse direction, rotation of the filter head 120 becomes structurally impossible. Accordingly, the operator can immediately check whether the filter head 120 has been incorrectly assembled to the filter bracket 150, thereby preventing the filter head 120 from being assembled to the filter bracket 150 in the reverse direction.
  • Figures 7 to 9 are diagrams showing the filter coupling structure of the filter unit according to an embodiment of the present invention
  • Figure 10 is a diagram showing the coupling structure of the filtration main body and the guide bracket according to an embodiment of the present invention.
  • the filter coupling structure 200 in which the filter portion (F) is formed may be inserted and coupled into the filter housing 110 of the filter unit 100 according to the present invention described above.
  • the filter coupling structure 200 includes a filtration main body 210 in which the filter portion (F) is disposed, and a guide bracket 220 that seals the upper part of the filtration main body 210.
  • the guide bracket 220 is formed by extending upward from the plate-shaped plate portion 221, which seals one surface of the filtration body 210, and the plate-shaped plate 221, and is connected to the inlet portion of the filter housing 110. It is configured to include an extension coupling portion 222 coupled to enable communication with (111) and a plurality of fixing protrusions 225 extending in one direction from the outer peripheral surface of the extension coupling portion 222.
  • the guide bracket 220 of the filter coupling structure 200 may be fastened to the upper surface of the filtering body 210 where the filter part (F) is accommodated and inserted into the filter housing body 110. At this time, the guide bracket 220 of the filter coupling structure 200 is inserted into the inlet 111 of the filter housing 110, and the plurality of fixing protrusions 225 of the guide bracket 220 are connected to the filter housing 110. By being disposed close to the inner peripheral surface of the filter coupling structure 200, after being inserted into the filter housing 110, the central portion remains fixed and can be coupled more stably without moving.
  • the plurality of fixing protrusions 225 of the guide bracket 220 fill the gap with the filter housing 110 so that the filter coupling structure 200 inserted into the filter housing 110 is twisted or tilted. It is possible to prevent the phenomenon of combining in a true state.
  • a residual water prevention portion 227 is formed in the extension coupling portion 222 of the filter coupling structure 200.
  • the residual water prevention portion 227 is formed in a shape that intersects the guide bracket 220 in a perpendicular direction, as shown in FIG. 7 .
  • the remaining water prevention portion 227 is formed in a rib shape that protrudes outward along the outer peripheral surface of the extension coupling portion 222.
  • a plurality of flow holes are formed at predetermined intervals to induce a water film due to an increase in viscosity to suppress the movement of the remaining water. Therefore, when the operator replaces the filter, water in the lower space of the filter combination structure 200 can be prevented from being discharged to the outside.
  • filter unit 110 filter housing
  • Inlet port coupling portion 200 Filter coupling structure
  • Filtration body 220 Guide bracket
  • fixing protrusion 227 residual water prevention unit

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

L'invention concerne une unité de filtre et un réfrigérateur la comprenant, l'unité de filtre comprenant : un logement de filtre dans lequel une entrée est formée de sorte que l'eau brute s'écoule dedans depuis l'extérieur ; une structure d'accouplement de filtre qui est accouplée au logement de filtre et reçoit un filtre pour purifier l'eau brute, la structure d'accouplement de filtre étant accouplée pour être couplée en communication à l'entrée du logement de filtre ; une tête de filtre accouplée au logement de filtre et ayant un orifice d'entrée faisant saillie sur un côté pour fournir de l'eau brute depuis l'extérieur et un orifice de sortie faisant saillie sur l'autre côté pour évacuer l'eau purifiée par le logement de filtre ; un support de filtre accouplé au logement de filtre et ayant une partie d'accouplement d'orifice d'entrée à laquelle l'orifice d'entrée est accouplé de manière rotative et une partie d'accouplement d'orifice de sortie à laquelle l'orifice de sortie est accouplé de manière rotative ; et un couvercle d'étanchéité accouplé à la partie inférieure du logement de filtre.
PCT/KR2022/019729 2022-06-22 2022-12-06 Unité de filtre et réfrigérateur la comprenant WO2023249180A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0076404 2022-06-22
KR1020220076404A KR20230175026A (ko) 2022-06-22 2022-06-22 필터 유닛 및 이를 포함하는 냉장고

Publications (1)

Publication Number Publication Date
WO2023249180A1 true WO2023249180A1 (fr) 2023-12-28

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WO (1) WO2023249180A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101852064B1 (ko) * 2016-03-07 2018-04-25 한병량 정수필터장치
US20190054402A1 (en) * 2017-08-18 2019-02-21 David E. Fitzgerald Filter Assembly with Self-Contained Disposable Filter Cartridge
KR101964770B1 (ko) * 2017-10-12 2019-04-03 최태국 잔수유출이 방지되는 정수필터
CN212680321U (zh) * 2020-07-22 2021-03-12 浙江优铂利气动科技有限公司 一种迷你直通型过滤器
KR102287193B1 (ko) * 2020-03-24 2021-08-06 주식회사 마이크로필터 필터 유닛 및 이를 포함하는 냉장고

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110001021U (ko) 2009-07-23 2011-01-31 주식회사 마이크로필터 정수시스템용 정수필터 결합구조

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101852064B1 (ko) * 2016-03-07 2018-04-25 한병량 정수필터장치
US20190054402A1 (en) * 2017-08-18 2019-02-21 David E. Fitzgerald Filter Assembly with Self-Contained Disposable Filter Cartridge
KR101964770B1 (ko) * 2017-10-12 2019-04-03 최태국 잔수유출이 방지되는 정수필터
KR102287193B1 (ko) * 2020-03-24 2021-08-06 주식회사 마이크로필터 필터 유닛 및 이를 포함하는 냉장고
CN212680321U (zh) * 2020-07-22 2021-03-12 浙江优铂利气动科技有限公司 一种迷你直通型过滤器

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