WO2019106804A1 - 濾過装置 - Google Patents

濾過装置 Download PDF

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Publication number
WO2019106804A1
WO2019106804A1 PCT/JP2017/043156 JP2017043156W WO2019106804A1 WO 2019106804 A1 WO2019106804 A1 WO 2019106804A1 JP 2017043156 W JP2017043156 W JP 2017043156W WO 2019106804 A1 WO2019106804 A1 WO 2019106804A1
Authority
WO
WIPO (PCT)
Prior art keywords
bowl
tapered portion
opening
filter
head
Prior art date
Application number
PCT/JP2017/043156
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
剛 永島
隆二 福田
Original Assignee
ミライアル株式会社
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 ミライアル株式会社 filed Critical ミライアル株式会社
Priority to CN201780049226.2A priority Critical patent/CN110099729B/zh
Priority to JP2018553179A priority patent/JP6982577B2/ja
Priority to PCT/JP2017/043156 priority patent/WO2019106804A1/ja
Priority to KR1020197010135A priority patent/KR102502600B1/ko
Priority to TW107136008A priority patent/TWI775966B/zh
Publication of WO2019106804A1 publication Critical patent/WO2019106804A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/08—Construction of the casing
    • 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

Definitions

  • the present invention relates to a filter device comprising a filter housing and a replaceable filter cartridge accommodated in the filter housing, and for filtering a liquid through the filter portion of the filter cartridge for filtration.
  • the filter housing We propose a technology that can be adapted to filter cartridges of various sizes.
  • This type of filtration device generally comprises a filter housing having a head provided with an inlet and an outlet from which the liquid flows in and out, and a bottomed cylindrical bowl removably connected to the head; For example, used in a filtration process for filtering pure water, chemicals, etc. used in various manufacturing of semiconductors, electronic parts, etc. .
  • the filtration device if used for a certain period of time, the collection performance of the pollutants is reduced due to the fact that the pollutants contained in the sewage to be filtered adhere to the filter part of the filter cartridge,
  • the filter cartridge is generally replaced with a new one after a predetermined period of use.
  • Techniques related to such a filtration device include those described in Patent Documents 1 to 3 and the like.
  • the filter cartridge in which the length in the housing axial direction is sufficiently short In the case where the filter housing is disposed and used inside, the axial length of the bowl in the housing axial direction is shortened after the filter housing is manufactured, from the viewpoint of the space limitation for arranging the filter device in the above-mentioned filtration process. There is.
  • Such a subsequent shortening of the bowl length cuts off and removes the middle segment of a predetermined length in the housing housing axial direction of the bowl, and the bottom side segment of the bowl after cutting and the opening where the head can be attached It can be done by joining the side segments with one another at their cut end faces.
  • the present invention is intended to solve such problems with the prior art, and its object is to effectively change the bowl length of the filter housing to correspond to filter cartridges of various sizes. It is in providing the filtration apparatus which can.
  • the filter device comprises a head, a filter housing having a bowl attachable to and removable from the head, and a filter cartridge housed and disposed inside the filter housing and having a filter portion, and flowing from the inlet of the head Liquid is filtered by passing it through the filter part of the filter cartridge and flowing out from the outlet of the head, and the bowl of the filter housing has a cylindrical side, the side And a bottom portion for sealing the other end side of the side portion, the side portion being directed from the opening side to the bottom side.
  • the bowl has an outer flange annularly projecting on the outer peripheral side from the outer surface of the tapered portion in the axial direction of the tapered portion, and a surface facing the opening side of the outer flange Is the bonding surface that protrudes outward from the outer surface of the tapered portion.
  • the diameter of the outermost edge of the outer flange that protrudes to the outer peripheral side be smaller than the maximum outer diameter of the tapered portion.
  • the bowl has an inner step with a corner protruding on the inner surface of the tapered portion midway in the axial direction of the tapered portion, and the bowl faces the opening side of the inner step.
  • the surface is the bonding surface which protrudes to the inner peripheral side from the inner surface of the tapered portion.
  • the bowl has an opening side segment separated from each other at the position of the bonding surface in the axial direction of the bowl, and a bottom side segment including the bonding surface;
  • the part-side segment and the bottom-side segment may be joined by welding or welding at the joining surface.
  • it is preferable that the entire end face on the bottom side segment side of the opening side segment is fixed to the end face including the bonding surface of the bottom side segment.
  • the said bowl may be integrally formed.
  • the above-mentioned joining surface for increasing the cross-sectional area in the axial direction is formed in the tapered portion on the side of the bowl of the filter housing, so that the bowl length can be increased.
  • the cut end faces of the bottom side segment and the opening side segment which are the remaining portions of the bowl after removal of the middle segment, Even if it is shifted to the inner and outer circumference due to the tapered shape, the joining surface located on the bottom side segment side and the end face of the opening side segment can be firmly joined in a sufficient area.
  • the bowl length of the filter housing can be effectively changed and can be adapted to filter cartridges of different dimensions.
  • FIG. 3 is a longitudinal cross-sectional view of the bowl of FIG. 2; It is a longitudinal cross-sectional view which shows what cut and removed the middle segment with the bowl of FIG. 2, and joined the bottom side segment and the opening side segment. It is a fragmentary sectional view which expands and shows the principal part of the bowl of FIG. It is a longitudinal cross-sectional view which shows the bowl of a reference example. It is a longitudinal cross-sectional view which shows what cut off the middle segment with the bowl of FIG.
  • FIG. 6 is a longitudinal cross-sectional view of another embodiment of a filtration device having the bowl of FIG. 4;
  • FIG. 10 is a longitudinal cross-sectional view of yet another embodiment of a filtration device having the bowl of FIG. 9;
  • the filtration device 1 illustrated as a longitudinal cross-sectional view in FIG. 1 includes a container-like filter housing 10 with a lid, and a cylindrical filter cartridge 20 housed and disposed in the filter housing 10.
  • one end side (left side in FIG. 1) of the cylindrical or other cylindrical side portion 11a in the housing axial direction is opened by the opening 11b, and
  • the bowl 11 whose other end side (right side in FIG. 1) in the housing axial direction is sealed by the bottom portion 11c, and the opening 11b at one end side of the housing 11 in the housing axial direction
  • a head 13 connected to the head.
  • the head 13 has, for example, cylindrical inlets 14 and outlets 15 extending in opposite directions to each other across the housing axis AD in the illustrated cross section, and these inlets 14 and the outlet 15 are provided.
  • the outlets 15 respectively allow the inflow of liquid into the filter housing 10 and the outflow of liquid from the filter housing 10.
  • the housing axial direction means the direction in which the housing axis AD extends through the center position of the cross section of the bottomed cylindrical bowl 11.
  • the filter cartridge 20 has a substantially cylindrical main body 20a, an opening 20b provided on one end side of the main body 20a in the axial direction of the housing, and a bottom 11c of the bowl 11. And a bottom portion 20c provided on the other end side of the main body portion 20a which is the same side as the above.
  • most of the filter cartridge 20 is located in the bowl 11 inside the filter housing 10, and the head 13 is provided at the end on the opening 20b side projecting from the opening 11b of the bowl 11 to the head 13 side. It is connected.
  • a filter disposition space 21 is provided in the main body portion 20a, and a filter portion (not shown) for passing the liquid flowing into the filter housing 10 is disposed in the filter disposition space 21. Ru.
  • many openings which can pass the liquid are provided in the cylindrical part which comprises the main-body part 20a.
  • Such a filtration apparatus 1 is used, for example, for filtering for liquids such as ultrapure water and chemicals used in manufacturing semiconductors and microelectronics.
  • the liquid is allowed to flow into the head 13 from the inlet 14 of the head 13, and the bowl 11 from the end of the filter cartridge 20 on the opening 20 b side. It flows inside the filter cartridge 20 inside. Then, the liquid passes through the main body 20 a from the inside to the outside of the filter cartridge 20 while the contaminants in the liquid are removed at the filter portion of the filter disposition space 21 on the inner side. Thereafter, liquid flows out of the filter housing 10 through the outlet 15 sequentially through the interior of the bowl 11 and the head 13.
  • this filtration method using the filtration device 1 is just an example, and the present invention is not limited to such filtration method.
  • the bowl 11 of the filter housing 10 is, as shown in a perspective view in FIG. 2, a cylindrical side portion 11a, an opening 11b located on one end side of the side portion 11a in the housing axial direction, and a side portion 11a.
  • it When it is made of resin, for example, it may be formed by injection molding so as to have a bottom portion 11c located on the other end side in the housing axial direction.
  • such a bottomed cylindrical bowl 11 is a side as shown in FIG. 3 in consideration of the die removal from the mold after being cured in the injection mold.
  • Most of the portion 11a is directed from the opening 11b to the bottom 11c, for example, as a tapered portion 16 in which the inner and outer diameters gradually decrease in a longitudinal cross section.
  • a portion from the mounting flange 17 used for attachment to the head 13 by the coupling ring 12 to a portion where the inner and outer surfaces on the bottom portion 11c are curved is a tapered portion 16.
  • the taper angle of the tapered portion 16 with respect to the housing axis AD can be, for example, 0.5 ° to 3 ° as measured on the outer surface of the tapered portion 16.
  • the portion from the surface of the mounting flange 17 facing the bottom 11 c to the opening 11 b in the housing axial direction is not tapered and is not included in the tapered portion 16.
  • the tapered portion includes one which is tapered in a curvilinear shape or other linear shape in the longitudinal cross section, and at least the outer diameter is directed to the bottom portion 11c side regardless of the shape. What is necessary is to decrease gradually.
  • the bonding surface 18 is formed to face the opening 11 b side.
  • a tapered portion is formed at the formation position of the bonding surface 18. The cross-sectional area of 16 is increased.
  • the filter cartridge 20 described above may have a short axial length in the housing depending on the application, performance and other conditions.
  • the inside of the filter housing 10 is extra especially when the filter cartridge 20 does not exist on the bottom 11 c side of the bowl 11 While space is available, the exterior of the filter housing 10 may not have enough empty space to place the bowl 11 which may be too long depending on the location of the filtration device 1. In such a situation, it may be necessary to shorten the axial length of the bowl 11 in the housing axial direction after the bowl 11 is manufactured.
  • the middle segment Sm in the housing axial direction of the bowl 11 (that is, the middle region of the tapered portion 16 in the housing axial direction) is obtained by cutting at two cutting positions CL1 and CL2 shown by broken lines in FIG. Of the cutting position CL1 and CL2 which are separated from each other) and the remaining bottom side segments Sb and the opening side segments Sa are removed as shown in FIG. It is possible to cope by joining between the cutting end faces of
  • the joining surface 18 for increasing the cross-sectional area is formed in the middle of the housing axial direction of the tapered portion 16 of the bowl 11 so that the cutting positions CL1 and CL2 of the two places
  • the cut end surface of the opening side segment Sa is formed on the bottom side, as shown in the enlarged view of the main portion CA in FIG. 5, by matching the cut position CL2 on the bottom 11c side with the formation position of the bonding surface 18. It can be bonded to a large end surface including the bonding surface 18 of the segment Sb. As a result, the bonding area between the cut end surfaces of the opening side segment Sa and the bottom portion segment Sb can be secured, and the cut end surfaces can be firmly bonded.
  • the tapered shape of the tapered portion 86 causes FIG.
  • the cut end surface of the bottom side segment Sb is positioned on the inner peripheral side with respect to the cut end surface of the opening side segment Sa.
  • Joining of the cut end faces of the opening side segment Sa and the bottom side segment Sb can be performed by welding when made of a resin material or welding when made of a metal material.
  • welding or welding is advantageous from the viewpoint of material cost, workability and the like.
  • adhesion may be advantageous depending on the material of resin such as polyvinyl chloride and other conditions.
  • the bonding surface 18 needs to be formed over the entire circumferential direction of the tapered portion 16 of the side portion 11a. Thereby, the cut end surfaces of the bottom side segment Sb and the opening side segment Sa can be joined with a sufficiently large area over the entire circumference.
  • the bonding surface 18 may have a radial length that varies in the circumferential direction, but generally a substantially circular annular shape having a constant radial length over the entire circumference. The manufacturing of the bowl 11 is easier with the joining surface 18 in which such radial length is constant in the circumferential direction.
  • the entire end face on the bottom side segment Sb side of the opening side segment Sa is an end face including the bonding surface 18 of the bottom side segment Sb as viewed in both the circumferential direction and the radial direction. It is preferable that they are fixed.
  • the bonding surface 18 is formed substantially parallel to a plane orthogonal to the housing axial direction, and the outer edge of the bonding surface 18 is on the side of the opening 11 b or the bottom 11 c. It can be inclined at any angle from 0 ° to 60 ° with respect to a plane orthogonal to the housing axial direction.
  • the inclination angle of the bonding surface 18 is too large, the cut end surface of the opening side segment Sa is bonded to the oblique bonding surface 18 of the bottom side segment Sb, and the bonding strength between the cut end surfaces is slightly reduced. I have a concern.
  • the formation position in the housing axial direction of the bonding surface 18 is a position separated by 10 mm or more from the outermost end Eb of the bottom 11c to the opening 11b and 20 mm or more from the end face of the opening 11b. It is preferable to be between the positions. If the joining surface 18 is too close to the end face of the opening 11b, during welding or welding, there is no gripping margin for holding the opening side segment Sa, and welding or welding becomes difficult. On the other hand, if the joining surface 18 is too close to the outermost end Eb of the bottom 11c, there is a concern that the bottom 11c may be deformed by heat during welding and welding.
  • the formation position of the bonding surface 18 in the housing axial direction is based on the contact point between the bonding surface 18 and the outer surface of the tapered portion 16.
  • a plurality of bonding surfaces 18 can be formed at different positions in the housing axial direction.
  • the bonding surface 18 protrudes only to the outer peripheral side from the outer surface of the tapered portion 16 as shown in FIG. 3 and also protrudes to the outer peripheral side from the outer surface of the tapered portion 16 as shown in FIGS. In addition, it may be pushed out to the inner peripheral side from the inner surface of the tapered portion 16.
  • the surface portion where the bonding surface 18 protrudes outward from the outer surface of the tapered portion 16 but also the surface portion where the bonding surface 18 protrudes inside from the inner surface of the tapered portion 16 also have.
  • the bowl 41 may have a shorter length in the axial direction of the housing as the position of the surface on the bottom 11 c side of the mounting flange 17.
  • the bonding surface 18 protrudes only on the inner peripheral side of the inner surface of the tapered portion 16.
  • the present invention also includes the filtration device 1 of FIG. 10 having the bowl 31 shown in FIG. 4 and the filtration device 1 of FIG. 11 having the bowl 41 shown in FIG.
  • the filtration device 1 shown in FIGS. 10 and 11 has substantially the same configuration as that shown in FIG. 1 except that the length in the housing axial direction of the filter cartridge 20 is different in addition to the bowls 31 and 41 described above.
  • the opening side segment Sa and the bottom side segment Sb including the joining surface 18 are mutually joined by welding or welding, etc.
  • the opening side segment Sa and the bottom side segment Sb are mutually divided.
  • the bowl 11 shown in FIG. 3 is formed integrally.
  • the bowl 11 shown in FIG. 3 has an outer flange 18a which protrudes annularly outward from the outer surface of the tapered portion 16 in the axial direction of the tapered portion 16 in the housing axial direction, and the opening of the outer flange 18a
  • the surface facing the portion 11 b side is a bonding surface 18 protruding outward from the outer surface of the tapered portion.
  • the outer flange 18a In the bowl 11 having such an outer flange 18a, it is preferable to make the diameter Df of the outer end edge of the outer flange 18a that protrudes the outermost periphery smaller than the maximum outer diameter Dt of the tapered portion 16. Thereby, when attaching the head 13 to the bowl 11 and moving the connection ring 12 from the bottom 11 c side of the bowl 11 to the attachment flange 17 on the opening 11 b side, the outer flange 18 a is the same as the connection ring 12. The arrangement of the connection ring 12 is facilitated without impeding movement.
  • the maximum outer diameter Dt of the tapered portion 16 is the position of the boundary between the tapered portion 16 closest to the opening 11b and the portion where the outer diameter is constant when the mounting flange 17 is not taken into account (ie, tapered The position of the boundary between the portion 16 and the base of the mounting flange 17 is measured.
  • the outer flange 18a may be a separate member from the tapered portion 16 of the bowl 11 and may be attached to the tapered portion 16 of the manufactured bowl 11 by welding or welding afterward. In this case, the subsequent attachment of the outer flange 18a may be performed either before or after cutting the bowl 11 at the formation position of the bonding surface 18. However, it is preferable to form the outer flange 18 a integrally with the tapered portion 16 of the bowl 11 because the attachment of the outer flange 18 a after the manufacture of the bowl 11 increases the number of steps. When the bowl 11 is manufactured by injection molding, it is preferable that the outer flange 18a be also integrally molded at that time.
  • the bowl 41 shown in FIG. 9 has an inner step 18c provided with a corner 18b protruding over the entire circumference on the inner surface of the tapered portion 16 in the middle of the housing axial direction of the tapered portion 16
  • the surface facing the opening 11 b side is a bonding surface 18 protruding to the inner peripheral side from the inner surface of the tapered portion 16.
  • the dimension and shape of the inner step 18 c can realize strong bonding between the cut end surfaces and appropriately prevent the arrangement of the filter cartridge 20 inside the bowl 41 and the smooth flow of the liquid in the bowl 41. It can be set.
  • the bowl 31 shown in FIG. 4 has both the outer flange 18a and the inner step 18c described above at the same position in the axial direction of the housing, so that in this bowl 31, the joining surface 18 is tapered.
  • the end of the filter cartridge 20 on the opening 20b side is fixed at a predetermined position inside the head 13 with a screw or the like, and then the filter cartridge 20 is , After inserting in the bowl 11, 31 or 41 and covering the opening 11b of the bowl 11, 31 or 41 with the head 13, connecting ring from the bottom 11c side of the bowl 11, 31 or 41 toward the opening 11b
  • the screw provided on each of the inner surface of the connection ring 12 and the outer surface of the head 13 with the mounting flange 17 of the bowl 11, 31 or 41 interposed between the inward flange of the connection ring 12 and the head 13 through 12 Screw in the O-rings and other seal members for preventing liquid leakage can be provided at these connection points as required.
  • the bottom 11 c of the bowls 11, 31 and 41 can be provided with a drain 11 d for discharging the liquid to the outside of the apparatus at the time of waste liquid from the filtration device 1, and when discharging the liquid from the drain 11 d
  • a vent 13 a may be provided at the top of the head 13 to allow the flow of gas inside and outside the filtration device 1.
  • these drains 11d and the vent 13a are attached and sealed the cap which is not shown in figure.
  • the material of the head 13, the bowls 11, 31, 41, the connection ring 12, and the main body 20a of the filter cartridge 20 may be any material as long as it is resistant to the liquid to be filtered
  • plastic preferably polyethylene including ultra-high molecular weight polyethylene, polypropylene, PTFE, PFA, PVDF and other fluorine resins, polycarbonate, polysulfone, polyether sulfone, polyvinyl sulfone, aromatic polyether ketone such as PEEK, PAI etc.
  • Polyamide, polyphenylene sulfide, liquid crystal polymer, cycloolefin polymer (COP), etc. can be used.
  • glass or metals such as stainless steel, aluminum, copper, nickel, chromium, titanium, or alloys or mixtures thereof, etc. You can choose the best one.
  • the material of the filter portion of the filter cartridge 20 can be paper, cellulosic materials, glass fibers and fabrics, metals such as stainless steel, nickel, chromium and alloys and mixtures thereof, ceramics, plastics.
  • plastic preferably, thermoplastic materials such as polyethylene such as ultra high molecular weight polyethylene, polypropylene, PVDF, PTFE, PFA and other fluorine resins, PCV, nylon, polyamide, polysulfone, polyimide, polycarbonate, PET, etc.
  • polyethylene such as ultra high molecular weight polyethylene, polypropylene, PVDF, PTFE, PFA and other fluorine resins, PCV, nylon, polyamide, polysulfone, polyimide, polycarbonate, PET, etc.
  • polyethylene such as ultra high molecular weight polyethylene, polypropylene, PVDF, PTFE, PFA and other fluorine resins, PCV, nylon, polyamide, polysulfone, polyimide, polycarbonate, PET, etc.
  • Reference Signs List 1 filter device 10 filter housing 11, 31, 41 bowl 11a side 11b opening 11c bottom 11d drain 12 connecting ring 13 head 13a vent 14 inlet 15 outlet 16 tapered portion 17 mounting flange 18 bonding surface 18a outer flange 18b corner 18c inner step 20 filter cartridge 20a main body 20b opening 20c bottom 21 filter arrangement space CL1, CL2 cutting position Sm middle segment Sa opening side segment Sb bottom side segment Df diameter of outer edge of outer flange Dt tapered Maximum outer diameter of part Eb Outermost end of bottom 11c AD Housing axis CA Main part

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtration Of Liquid (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Surgical Instruments (AREA)
  • Centrifugal Separators (AREA)
PCT/JP2017/043156 2017-11-30 2017-11-30 濾過装置 WO2019106804A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201780049226.2A CN110099729B (zh) 2017-11-30 2017-11-30 过滤装置
JP2018553179A JP6982577B2 (ja) 2017-11-30 2017-11-30 濾過装置
PCT/JP2017/043156 WO2019106804A1 (ja) 2017-11-30 2017-11-30 濾過装置
KR1020197010135A KR102502600B1 (ko) 2017-11-30 2017-11-30 여과 장치
TW107136008A TWI775966B (zh) 2017-11-30 2018-10-12 過濾裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/043156 WO2019106804A1 (ja) 2017-11-30 2017-11-30 濾過装置

Publications (1)

Publication Number Publication Date
WO2019106804A1 true WO2019106804A1 (ja) 2019-06-06

Family

ID=66663843

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/043156 WO2019106804A1 (ja) 2017-11-30 2017-11-30 濾過装置

Country Status (5)

Country Link
JP (1) JP6982577B2 (ko)
KR (1) KR102502600B1 (ko)
CN (1) CN110099729B (ko)
TW (1) TWI775966B (ko)
WO (1) WO2019106804A1 (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111439811A (zh) * 2020-04-20 2020-07-24 南京骏诺电脑开水器制造有限公司 一种高效过滤型饮水设备及其使用方法

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JPH01202374A (ja) * 1988-02-04 1989-08-15 Fuji Photo Film Co Ltd 濾過装置の溶接方法
JPH0356863U (ko) * 1989-10-03 1991-05-31
JPH0453412U (ko) * 1990-09-11 1992-05-07
JPH05345357A (ja) * 1991-12-24 1993-12-27 Nippon Millipore Kogyo Kk プラスチック部品の接合方法
JP2001038807A (ja) * 1999-07-30 2001-02-13 Roki Techno Co Ltd 溶着接合方法及び該方法によって製造した濾過器
EP1555058A1 (fr) * 2004-01-14 2005-07-20 Filtrauto Filtre à liquide pour moteur à combustion interne et cartouche filtrante interchangeable pour un tel filtre

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US11975279B2 (en) * 2012-01-12 2024-05-07 Davco Technology, Llc Fluid filter assembly with a filter cartridge and housing interface
CN103480190B (zh) * 2012-03-30 2017-03-01 康明斯过滤Ip公司 具有过滤筒体的过滤器和对应的过滤筒体
CN103071334B (zh) * 2013-01-30 2014-10-01 浙江沁园水处理科技有限公司 一种复合滤芯及其接座
JP2016002522A (ja) 2014-06-17 2016-01-12 ミライアル株式会社 フィルタハウジング
JP6505834B2 (ja) 2015-04-30 2019-04-24 ミライアル株式会社 濾過装置
CN107344037A (zh) * 2017-07-25 2017-11-14 珠海格力电器股份有限公司 可拆卸滤芯、滤芯组件及净水机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01202374A (ja) * 1988-02-04 1989-08-15 Fuji Photo Film Co Ltd 濾過装置の溶接方法
JPH0356863U (ko) * 1989-10-03 1991-05-31
JPH0453412U (ko) * 1990-09-11 1992-05-07
JPH05345357A (ja) * 1991-12-24 1993-12-27 Nippon Millipore Kogyo Kk プラスチック部品の接合方法
JP2001038807A (ja) * 1999-07-30 2001-02-13 Roki Techno Co Ltd 溶着接合方法及び該方法によって製造した濾過器
EP1555058A1 (fr) * 2004-01-14 2005-07-20 Filtrauto Filtre à liquide pour moteur à combustion interne et cartouche filtrante interchangeable pour un tel filtre

Also Published As

Publication number Publication date
CN110099729B (zh) 2022-04-05
KR102502600B1 (ko) 2023-02-21
JP6982577B2 (ja) 2021-12-17
CN110099729A (zh) 2019-08-06
KR20200088211A (ko) 2020-07-22
JPWO2019106804A1 (ja) 2020-10-08
TW201924763A (zh) 2019-07-01
TWI775966B (zh) 2022-09-01

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