WO2022255086A1 - 中空糸膜モジュール - Google Patents
中空糸膜モジュール Download PDFInfo
- Publication number
- WO2022255086A1 WO2022255086A1 PCT/JP2022/020494 JP2022020494W WO2022255086A1 WO 2022255086 A1 WO2022255086 A1 WO 2022255086A1 JP 2022020494 W JP2022020494 W JP 2022020494W WO 2022255086 A1 WO2022255086 A1 WO 2022255086A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hollow fiber
- case
- pair
- fiber membrane
- membrane module
- Prior art date
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- 239000012528 membrane Substances 0.000 title claims abstract description 87
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 81
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 239000000446 fuel Substances 0.000 description 4
- 229920000491 Polyphenylsulfone Polymers 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004954 Polyphthalamide Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920006375 polyphtalamide Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
- H01M8/04149—Humidifying by diffusion, e.g. making use of membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/08—Flow guidance means within the module or the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/19—Specific flow restrictors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/20—Specific housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/23—Specific membrane protectors, e.g. sleeves or screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/22—Membrane contactor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to a hollow fiber membrane module applicable to humidifiers and the like.
- hollow fiber membrane modules installed in humidifiers for fuel cells are in increasing demand for high-output systems, and tend to be larger.
- the fluid flowing inside the case has a high pressure. Therefore, a large case is generally manufactured by cutting a rigid material such as metal.
- a box-shaped case is made of a rigid material such as metal because it is easily deformed by fluid pressure.
- An object of the present invention is to provide a hollow fiber membrane module capable of suppressing deformation of the case body even when a case body made of resin is employed.
- the present invention employs the following means to solve the above problems.
- the hollow fiber membrane module of the present invention is a plurality of hollow fiber membranes; a case having a resin case body containing the plurality of hollow fiber membranes and having openings at both ends; A pair of sealing and fixing parts for sealing the gaps between the hollow fiber membranes and fixing the plurality of hollow fiber membranes to the case on both end sides of the case, with the hollow interiors of the hollow fiber membranes being opened.
- a hollow fiber membrane module comprising The case main body is characterized in that reinforcing portions for connecting a pair of opposing inner wall surfaces of the inner wall surfaces accommodating the plurality of hollow fiber membranes are integrally provided on the pair of wall surfaces.
- the case main body is provided with the reinforcing portion, deformation of the case main body can be suppressed even if the fluid pressure in the case main body increases.
- the reinforcing portion is preferably provided in the center between one end side and the other end side of the case body.
- the case main body includes a pair of substantially flat plate portions each provided with at least one through hole through which a fluid passes, and a pair of curved portions connecting both sides of the pair of substantially flat plate portions.
- the cross-sectional shape perpendicular to the direction from to the other end side is composed of an oval-shaped member,
- the reinforcing portion may be provided so as to connect inner wall surfaces of the pair of curved portions.
- a resin case body with such a shape is easily deformed by fluid pressure, but as described above, the deformation is suppressed by providing the reinforcing part.
- the reinforcing portion is preferably provided in the center between the pair of substantially flat plate portions in the case body.
- FIG. 1 is a side view of a hollow fiber membrane module according to an embodiment of the invention.
- FIG. 2 is a front view of a hollow fiber membrane module according to an example of the present invention.
- FIG. 3 is a schematic cross-sectional view of a hollow fiber membrane module according to an example of the present invention.
- FIG. 4 is a front view of a case body according to an embodiment of the present invention.
- FIG. 5 is a plan view of a case body according to an embodiment of the present invention.
- FIG. 6 is a schematic cross-sectional view of a case body according to an embodiment of the invention.
- FIG. 1 is a side view of a hollow fiber membrane module according to an embodiment of the invention.
- FIG. 2 is a front view of a hollow fiber membrane module according to an example of the present invention.
- FIG. 3 is a schematic cross-sectional view of a hollow fiber membrane module according to an example of the present invention, and is a cross-sectional view along AA in FIG.
- FIG. 4 is a front view of a case body according to an embodiment of the present invention.
- FIG. 5 is a plan view of a case body according to an embodiment of the present invention.
- FIG. 6 is a schematic cross-sectional view of the case main body according to the embodiment of the present invention, and is a cross-sectional view along BB in FIG.
- the hollow fiber membrane module 10 according to the present embodiment can be applied as a humidifier or a dehumidifier. This point will be briefly explained.
- the hollow fiber membrane module 10 has a plurality of hollow fiber membranes 200 inside a case 100 .
- the hollow fiber membrane module 10 is configured such that a flow path passing through the outside of the plurality of hollow fiber membranes 200 and a flow path passing through the inside of the membrane are formed.
- the hollow fiber membrane module 10 can be suitably used as a humidifier for humidifying the electrolyte membrane provided in the fuel cell.
- moist air generated in the fuel cell is used as the moist gas.
- the humidified gas (air) is used as the humidified gas (air) to the electrolyte membrane provided in the fuel cell.
- the electrolyte membrane is maintained in a wet state.
- the material of the hollow fiber membrane 200 for example, PPSU (polyphenylsulfone), etc., which has a property of permeating moisture by a capillary condensation mechanism based on pore size control, can be suitably used.
- the membrane-forming solution (raw material for the hollow fiber membrane)
- spinning is performed using a membrane-forming solution in which PPSU and a hydrophilic polymer (polyvinyl porolidone) are added to the solvent, thereby making the hollow fiber hydrophilic.
- a thread membrane can be obtained.
- Nafion registered trademark
- the materials described above have low elution properties and high strength, and therefore can be suitably used for humidifiers and dehumidifiers.
- the hollow fiber membrane module 10 includes a case 100 , a plurality of hollow fiber membranes 200 arranged inside the case 100 , and a pair of sealing fixing portions 310 and 320 .
- the case 100 contains a plurality of hollow fiber membranes 200 and includes a resin case body 110 having openings at both ends.
- the case main body 110 includes a pair of substantially flat plate portions 111 and 112 and a pair of curved portions 113 and 114 connecting both sides of the pair of substantially flat plate portions 111 and 112, respectively.
- the case body 110 is formed of a member having an oval cross section perpendicular to the direction from one end side to the other end side of the case body 110 .
- At least one (in this embodiment, a plurality of) through holes 111a and 112a through which fluid passes are provided in the pair of substantially flat plate portions 111 and 112, respectively.
- the case main body 110 has reinforcing portions 115 integrally provided on the pair of wall surfaces that connect a pair of opposed wall surfaces among the inner wall surfaces that accommodate the plurality of hollow fiber membranes 200 .
- this reinforcing portion 115 is provided so as to connect the inner wall surfaces of the pair of curved portions 113 and 114 .
- the reinforcing portion 115 is located at the center (partial region including the center) between one end side and the other end side of the case body 110 and between the pair of substantially flat plate portions 111 and 112 of the case body 110. It is provided in the center (a part of the area including the center).
- the case body 110 configured as described above can be molded by using a resin material such as PSU (polysulfone), PPS (polyphenylene sulfide), and PPA (polyphthalamide). Therefore, the pair of substantially flat plate portions 111 and 112, the pair of curved portions 113 and 114, and the reinforcing portion 115 are integrated.
- the case 100 also includes a first fixing member 120 and a second fixing member 130 fixed to both ends of the case main body 110, and a pair of third fixing members 140 provided to cover the pair of substantially flat plate portions 111 and 112, respectively. and a fourth fixing member 150 .
- the method of fixing the first fixing member 120, the second fixing member 130, the third fixing member 140, and the fourth fixing member 150 to the case body 110 is not particularly limited, and various known fixing methods such as screw fastening can be used. can be adopted. Further, the first fixing member 120, the second fixing member 130, the third fixing member 140, and the fourth fixing member 150 can also be made of a resin material (resin molded product).
- the first fixing member 120 and the second fixing member 130 are provided with pipe portions 121 and 131, respectively, which serve as inlets or outlets for fluid flowing through the inside of the hollow fiber membrane 200 (hollow interior). Further, the third fixing member 140 and the fourth fixing member 150 are provided with tube portions 141 and 151, respectively, which serve as inlets or outlets for fluid flowing outside the hollow fiber membrane 200. As shown in FIG. The third fixing member 140 and the fourth fixing member 140 are arranged so that one of the pipe portions 141 and 151 is arranged on one end side of the case main body 110 and the other is arranged on the other end side of the case main body 110 . The member 150 is fixed to the case body 110 .
- the pair of sealing fixing portions 310 and 320 seals the gap between the hollow fiber membranes in a state where the hollow interior of each hollow fiber membrane 200 is opened on both end sides of the case 100, and also seals a plurality of hollow fibers. It is configured to secure the membrane 200 to the case 100 .
- These pair of sealing fixing portions 310 and 320 are obtained by curing a potting material such as epoxy resin.
- the hollow fiber membrane module 10 configured as described above as a humidifier or a dehumidifier
- the wet gas passes through the outside of the hollow fiber membrane 200 and reaches the fourth fixing member 150. It flows out of the case 100 from the tube portion 151 (arrow T1).
- the dry gas is supplied from the tube portion 121 of the first fixing member 120 to the inside of the case 100 (dotted line arrow S0)
- the dry gas is supplied from the sealing fixing portion 310 on the one end side to the plurality of hollow fiber membranes 200. It is supplied to each hollow interior and flows through each hollow fiber membrane 200 .
- the dry gas is discharged from the sealing fixing portion 320 on the other end side and flows to the outside of the case 100 from the pipe portion 131 of the second fixing member 130 (arrow S1).
- the membrane separation action of the hollow fiber membrane 200 moves the moisture in the wet gas to the dry gas side, humidifies the dry gas, and dehumidifies the wet gas.
- the hollow fiber membrane module 10 of the present embodiment since the case body 110 is provided with the reinforcing portion 115, even if the fluid pressure in the case body becomes high, the case body 110 is prevented from being deformed. can be suppressed. Therefore, it is possible to suppress the deterioration of the sealing performance and suppress the leakage of the fluid. As a result, deterioration in humidification performance and dehumidification performance can be suppressed.
- the case body 110 can be manufactured by mold molding with resin, so the cost can be reduced compared to manufacturing by cutting a metal material. .
- the reinforcing portion 115 is provided at the center between the one end side and the other end side of the case body 110 and between the pair of substantially flat plate portions 111 and 112 of the case body 110.
- hollow fiber membrane module 100 case 110 case main body 111, 112 flat plate portion 111a, 112a through hole 113, 114 curved portion 115 reinforcing portion 120 first fixing member 121 pipe portion 130 second fixing member 131 pipe portion 140 third fixing member 141 Pipe Part 150 Fourth Fixing Member 151 Pipe Part 200 Hollow Fiber Membrane 310, 320 Seal Fixing Part
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
複数の中空糸膜と、
前記複数の中空糸膜を収容し、かつ両端に開口部を有する樹脂製のケース本体を有するケースと、
前記ケースの両端側において、各中空糸膜の中空内部を開放させた状態で中空糸膜同士の隙間を封止し、かつ前記複数の中空糸膜を前記ケースに固定する一対の封止固定部と、
を備える中空糸膜モジュールであって、
前記ケース本体は、前記複数の中空糸膜を収容する内壁面のうち対向する一対の壁面同士を連結する補強部がこれら一対の壁面に一体に設けられていることを特徴とする。
前記補強部は前記一対の湾曲部の内壁面同士を連結するように設けられているとよい。
図1~図6を参照して、本発明の実施例に係る中空糸膜モジュールについて説明する。図1は本発明の実施例に係る中空糸膜モジュールの側面図である。図2は本発明の実施例に係る中空糸膜モジュールの正面図である。図3は本発明の実施例に係る中空糸膜モジュールの模式的断面図であり、図2中のAA断面図である。図4は本発明の実施例に係るケース本体の正面図である。図5は本発明の実施例に係るケース本体の平面図である。図6は本発明の実施例に係るケース本体の模式的断面図であり、図4中のBB断面図である。
本実施例に係る中空糸膜モジュール10の適用例について説明する。本実施例に係る中空糸膜モジュール10は、加湿装置や除湿装置として適用することができる。この点について簡単に説明する。中空糸膜モジュール10は、ケース100の内部に複数の中空糸膜200が設けられている。そして、中空糸膜モジュール10は、複数の中空糸膜200の膜外を通る流路と、膜内を通る流路が形成されるように構成されている。このような構成により、例えば、中空糸膜200の膜外に湿潤気体を供給し、複数の中空糸膜200の各中空内部に乾燥気体を供給することで、中空糸膜200による膜分離作用によって、湿潤気体中の水分が乾燥気体側に移動する。従って、乾燥気体については加湿され、湿潤気体については除湿されるため、加湿装置としても除湿装置としても利用することができる。
本実施例に係る中空糸膜モジュール10について、より詳細に説明する。中空糸膜モジュール10は、ケース100と、ケース100の内部に配される複数の中空糸膜200と、一対の封止固定部310,320とを備えている。そして、ケース100は、複数の中空糸膜200を収容し、かつ両端に開口部を有する樹脂製のケース本体110を備えている。
本実施例に係る中空糸膜モジュール10によれば、ケース本体110に補強部115が設けられているため、ケース本体内の流体圧力が高くなっても、ケース本体110が変形してしまうことを抑制することができる。従って、シール性の低下を抑制でき、流体の漏れを抑制することができる。これにより、加湿性能や除湿性能の低下を抑制することもできる。また、ケース100の大型化が要求されるような場合でも、ケース本体110を樹脂による金型成形により製造できるため、金属材料の切削加工により製造する場合に比べて、コストを削減することができる。
100 ケース
110 ケース本体
111,112 平板部
111a,112a 貫通孔
113,114 湾曲部
115 補強部
120 第1固定部材
121 管部
130 第2固定部材
131 管部
140 第3固定部材
141 管部
150 第4固定部材
151 管部
200 中空糸膜
310,320 封止固定部
Claims (4)
- 複数の中空糸膜と、
前記複数の中空糸膜を収容し、かつ両端に開口部を有する樹脂製のケース本体を有するケースと、
前記ケースの両端側において、各中空糸膜の中空内部を開放させた状態で中空糸膜同士の隙間を封止し、かつ前記複数の中空糸膜を前記ケースに固定する一対の封止固定部と、
を備える中空糸膜モジュールであって、
前記ケース本体は、前記複数の中空糸膜を収容する内壁面のうち対向する一対の壁面同士を連結する補強部がこれら一対の壁面に一体に設けられていることを特徴とする中空糸膜モジュール。 - 前記補強部は前記ケース本体における一端側と他端側との間の中央に設けられていることを特徴とする請求項1に記載の中空糸膜モジュール。
- 前記ケース本体は、それぞれ流体が通る少なくとも一つの貫通孔が設けられた一対の略平板部と、これら一対の略平板部の両側をそれぞれ繋ぐ一対の湾曲部とを備え、前記ケース本体の一端側から他端側に向かう方向に対して垂直な断面形状がオーバル形状の部材により構成されており、
前記補強部は前記一対の湾曲部の内壁面同士を連結するように設けられていることを特徴とする請求項1又は2に記載の中空糸膜モジュール。 - 前記補強部は前記ケース本体における前記一対の略平板部の間の中央に設けられていることを特徴とする請求項3に記載の中空糸膜モジュール。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2023525708A JPWO2022255086A1 (ja) | 2021-06-02 | 2022-05-17 | |
EP22815838.2A EP4349466A1 (en) | 2021-06-02 | 2022-05-17 | Hollow fiber membrane module |
KR1020237031388A KR20230146064A (ko) | 2021-06-02 | 2022-05-17 | 중공 사막 모듈 |
CA3214464A CA3214464A1 (en) | 2021-06-02 | 2022-05-17 | Hollow fiber membrane module |
CN202280021423.4A CN117015431A (zh) | 2021-06-02 | 2022-05-17 | 中空纤维膜模块 |
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JP2021-092809 | 2021-06-02 | ||
JP2021092809 | 2021-06-02 |
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WO2022255086A1 true WO2022255086A1 (ja) | 2022-12-08 |
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EP (1) | EP4349466A1 (ja) |
JP (1) | JPWO2022255086A1 (ja) |
KR (1) | KR20230146064A (ja) |
CN (1) | CN117015431A (ja) |
CA (1) | CA3214464A1 (ja) |
WO (1) | WO2022255086A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0259016A (ja) * | 1988-08-25 | 1990-02-28 | Ube Ind Ltd | ガス分離膜モジュール |
JP2002303435A (ja) * | 2001-03-30 | 2002-10-18 | Honda Motor Co Ltd | 加湿モジュール |
JP2005040675A (ja) * | 2003-07-24 | 2005-02-17 | Nok Corp | 中空糸膜モジュール |
WO2006112142A1 (ja) * | 2005-04-13 | 2006-10-26 | Nok Corporation | 中空糸膜モジュール及び中空糸膜モジュールの製造方法 |
JP2015226859A (ja) * | 2012-10-05 | 2015-12-17 | Nok株式会社 | 中空糸膜モジュール用ケース |
WO2020026875A1 (ja) * | 2018-07-30 | 2020-02-06 | Nok株式会社 | 中空糸膜モジュール |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018190147A (ja) | 2017-05-01 | 2018-11-29 | 株式会社アスカネット | 葬儀用礼状配信システム及び葬儀用返礼品 |
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2022
- 2022-05-17 JP JP2023525708A patent/JPWO2022255086A1/ja active Pending
- 2022-05-17 CN CN202280021423.4A patent/CN117015431A/zh active Pending
- 2022-05-17 CA CA3214464A patent/CA3214464A1/en active Pending
- 2022-05-17 WO PCT/JP2022/020494 patent/WO2022255086A1/ja active Application Filing
- 2022-05-17 KR KR1020237031388A patent/KR20230146064A/ko unknown
- 2022-05-17 EP EP22815838.2A patent/EP4349466A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0259016A (ja) * | 1988-08-25 | 1990-02-28 | Ube Ind Ltd | ガス分離膜モジュール |
JP2002303435A (ja) * | 2001-03-30 | 2002-10-18 | Honda Motor Co Ltd | 加湿モジュール |
JP2005040675A (ja) * | 2003-07-24 | 2005-02-17 | Nok Corp | 中空糸膜モジュール |
WO2006112142A1 (ja) * | 2005-04-13 | 2006-10-26 | Nok Corporation | 中空糸膜モジュール及び中空糸膜モジュールの製造方法 |
JP2015226859A (ja) * | 2012-10-05 | 2015-12-17 | Nok株式会社 | 中空糸膜モジュール用ケース |
WO2020026875A1 (ja) * | 2018-07-30 | 2020-02-06 | Nok株式会社 | 中空糸膜モジュール |
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CA3214464A1 (en) | 2022-12-08 |
CN117015431A (zh) | 2023-11-07 |
KR20230146064A (ko) | 2023-10-18 |
JPWO2022255086A1 (ja) | 2022-12-08 |
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