WO2021107683A1 - 연료전지용 가습기 - Google Patents
연료전지용 가습기 Download PDFInfo
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- WO2021107683A1 WO2021107683A1 PCT/KR2020/017078 KR2020017078W WO2021107683A1 WO 2021107683 A1 WO2021107683 A1 WO 2021107683A1 KR 2020017078 W KR2020017078 W KR 2020017078W WO 2021107683 A1 WO2021107683 A1 WO 2021107683A1
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- cartridge
- case
- mid
- packing
- groove
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- 239000000446 fuel Substances 0.000 title claims abstract description 94
- 238000012856 packing Methods 0.000 claims abstract description 240
- 239000012528 membrane Substances 0.000 claims abstract description 61
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Images
Classifications
-
- 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
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/268—Drying gases or vapours by diffusion
-
- 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
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
- B01D63/043—Hollow fibre modules comprising multiple hollow fibre assemblies with separate tube sheets
-
- 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
-
- 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
- H01M8/04141—Humidifying by water containing exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0208—Other waste gases from fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
- B01D2313/041—Gaskets or O-rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/21—Specific headers, end caps
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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 humidifier for a fuel cell for supplying humidified gas to the fuel cell.
- fuel cells can produce electricity continuously as long as hydrogen and oxygen are supplied, and there is no heat loss, so the efficiency is twice that of internal combustion engines.
- the fuel cell has the advantage of being environmentally friendly and reducing concerns about resource depletion due to increased energy consumption.
- PEMFC Polymer Electrolyte Membrane Fuel Cell
- PAFC Phosphoric Acid Fuel Cell
- MCFC Molten Carbonate Fuel Cell
- SOFC Solid Oxide Fuel Cell
- AFC Alkaline Fuel Cell
- PEMFC polymer electrolyte fuel cell
- PEMFC polymer electrolyte fuel cell
- MEA membrane-electrode assembly
- a bubbler humidification method in which water is supplied by passing a target gas through a diffuser after filling a pressure-resistant container with water, 2) the amount of supplied water required for fuel cell reaction
- a direct injection method in which moisture is calculated and directly supplying moisture to a gas flow pipe through a solenoid valve
- 3) a humidification membrane method in which moisture is supplied to a fluidized bed of gas using a polymer membrane.
- the membrane humidification method of humidifying the polymer electrolyte membrane by providing water vapor to the air supplied to the polymer electrolyte membrane using a membrane that selectively transmits only water vapor contained in the exhaust gas is advantageous in that the humidifier can be reduced in weight and size.
- the selective permeable membrane used in the membrane humidification method is preferably a hollow fiber membrane having a large permeation area per unit volume when forming a module. That is, when a humidifier is manufactured using a hollow fiber membrane, the high integration of the hollow fiber membrane with a large contact surface area is possible, so that the fuel cell can be sufficiently humidified even with a small capacity, low-cost materials can be used, and the fuel cell discharges at high temperature. It has the advantage that it can be reused through a humidifier by recovering moisture and heat contained in the off-gas.
- FIG. 1 is a schematic exploded perspective view of a conventional fuel cell humidifier.
- the humidifier 100 of the conventional membrane humidification method is a humidification module 110 in which moisture exchange occurs between the air supplied from the outside and the exhaust gas discharged from the fuel cell stack (not shown) and the humidification. It includes caps 120 coupled to both ends of the module 110 .
- One of the caps 120 transfers air supplied from the outside to the humidification module 110 , and the other transfers air humidified by the humidification module 110 to the fuel cell stack.
- the humidification module 110 is a mid-case having an off-gas inlet 111a and an off-gas outlet 111b, and the mid-case 111 and the mid-case ( It includes a plurality of hollow fiber membranes 112 in 111). Both ends of the bundle of the hollow fiber membranes 112 are potted in the fixing layer 113 .
- the fixing layer 113 is generally formed by curing a liquid polymer such as a liquid polyurethane resin through a casting method.
- the exhaust gas contacts the outer surface of the hollow fiber membranes 112 moisture contained in the exhaust gas penetrates the hollow fiber membranes 112 , thereby humidifying the air flowing along the hollow of the hollow fiber membranes 112 . do.
- the inner spaces of the caps 120 only communicate with the hollows of the hollow fiber membranes 112 and must be completely blocked from the inner space of the mid-case 111 . Otherwise, air leakage occurs due to the pressure difference, so that the amount of humidified air supplied to the fuel cell stack is reduced and the power generation efficiency of the fuel cell is deteriorated.
- the resin layer 114 is generally formed by curing a liquid polymer such as a liquid polyurethane resin through a casting method.
- the present invention has been devised to solve the above-described problems, and to provide a humidifier for a fuel cell capable of preventing a decrease in productivity of the humidifier due to formation of a resin layer through a casting process.
- the present invention may include the following configuration.
- a humidifier for a fuel cell according to the present invention includes a humidification module for humidifying dry gas supplied from the outside using the wet gas discharged from the fuel cell stack; and a first cap coupled to one end of the humidifying module.
- the humidification module is a mid-case; and at least one cartridge disposed in the mid-case and accommodating a plurality of hollow fiber membranes.
- the humidifier for a fuel cell according to the present invention is a first packing member that is airtightly coupled to at least one end of the humidification module through mechanical assembly so that the first cap can only communicate with the hollow fiber membranes in fluid communication. may further include.
- the first packing member may be in close contact with the cartridge by using at least one pressure of a dry gas and a wet gas.
- the present invention is implemented so that the casting process for sealing the inner space of the cap and the inner space of the mid-case can be omitted. Accordingly, the present invention can increase productivity by shortening the process time for production.
- sealing force can be strengthened by using at least one pressure of a dry gas and a wet gas.
- the present invention can strengthen the sealing force without an additional configuration, it is possible to lower the cost for strengthening the sealing force.
- FIG. 1 is a schematic exploded perspective view of a conventional fuel cell humidifier
- FIG. 2 is a schematic exploded perspective view of a humidifier for a fuel cell according to the present invention
- FIG. 3 is a schematic exploded cross-sectional view showing a fuel cell humidifier according to the present invention taken along line I-I of FIG.
- FIG. 4 is a schematic cross-sectional view showing the fuel cell humidifier according to the present invention taken along line I-I of FIG. 2;
- FIG. 5 is a schematic cross-sectional view showing an enlarged portion A of FIG. 4 ;
- 6 to 9 are schematic cross-sectional views showing an enlarged first packing member on the line I-I of FIG. 2 .
- FIG. 10 is a schematic exploded perspective view of an embodiment in which two cartridges are coupled to a mid-case in the humidifier for a fuel cell according to the present invention
- FIG. 11 is a schematic cross-sectional view showing an enlarged first packing member on the line II-II of FIG.
- 12 and 13 are schematic cross-sectional views showing enlarged views of the first packing member and the second packing member coupled to the mid-case and the cartridges based on the II-II line of FIG.
- FIG. 14 is a schematic exploded perspective view of an embodiment in which three cartridges are coupled to a mid-case in the humidifier for a fuel cell according to the present invention
- FIG. 15 is a schematic cross-sectional view showing an enlarged portion A of FIG. 4 ;
- 16 to 18 are schematic cross-sectional views showing an enlarged first packing member on the line I-I of FIG. 2 .
- 19 is a schematic cross-sectional view showing an enlarged view of the first packing member and the second packing member coupled to the mid-case and the cartridges based on the II-II line of FIG.
- 20 and 21 are schematic cross-sectional views showing an enlarged portion A of FIG. 4 ;
- 22 to 24 are schematic cross-sectional views showing enlarged views of the first packing member and the second packing member coupled to the mid-case and the cartridges based on the II-II line of FIG.
- the humidifier 1 for a fuel cell according to the present invention is for humidifying the dry gas supplied from the outside using the wet gas discharged from the fuel cell stack.
- the drying gas may be fuel gas or air.
- a fuel cell humidifier (1) includes a humidifying module (2) for humidifying dry gas, and a first cap (3) coupled to one end of the humidifying module (2).
- the humidification module 2 includes a cartridge 21 to which a plurality of hollow fiber membranes 211 are coupled, a mid-case 22 to which the cartridge 21 is coupled, and the cartridge 21 .
- the mid-case 22 is disposed between the cartridge 21 and the mid-case 22 includes a first packing member 23 for sealing.
- the first packing member 23 may seal between the cartridge 21 and the mid-case 22 through coupling without a casting process. Accordingly, the first packing member 23 may seal the inner space of the first cap 3 and the inner space of the mid-case 22 . Accordingly, in the fuel cell humidifier 1 according to the present invention, the casting process, which requires a relatively long process time, can be omitted, and thus productivity can be increased by shortening the process time for production.
- the humidification module 2 humidifies the dry gas supplied from the outside using the wet gas discharged from the fuel cell stack.
- the first cap 3 may be coupled to one end of the humidification module 2 .
- a second cap 4 may be coupled to the other end of the humidification module 2 .
- the first cap 3 may deliver the dry gas supplied from the outside to the humidification module 2 .
- the second cap 4 may deliver the dry gas humidified by the humidification module 2 to the fuel cell stack.
- the second cap 4 transfers the dry gas supplied from the outside to the humidification module 2
- the first cap 3 transfers the dry gas humidified by the humidification module 2 to the fuel cell stack. can also be passed to
- the humidification module 2 includes the cartridge 21 , the mid-case 22 , and the first packing member 23 .
- the cartridge 21 includes a plurality of the hollow fiber membrane 211 .
- the hollow fiber membranes 211 may be implemented as the cartridge 21 to be modularized. Accordingly, through the process of coupling the cartridge 21 to the mid-case 22 , the hollow fiber membranes 211 may be installed inside the mid-case 22 . Accordingly, the fuel cell humidifier 1 according to the present invention can improve the ease of installation, separation, and replacement of the hollow fiber membranes 211 .
- the cartridge 21 may include an inner case 210 accommodating the hollow fiber membranes 211 .
- the hollow fiber membranes 211 may be modularized by being disposed inside the inner case 210 .
- the hollow fiber membranes 211 include polysulfone resin, polyethersulfone resin, sulfonated polysulfone resin, polyvinylidene fluoride (PVDF) resin, polyacrylonitrile (PAN) resin, polyimide resin, polyamideimide resin, It may include a polymer film formed of a polyester imide resin, or a mixture of two or more thereof.
- the cartridge 21 may include a first potting part 212 .
- the first potting part 212 fixes the hollow fiber membranes 211 .
- the first potting part 212 may fix one side of the hollow fiber membranes 211 .
- the first potting part 212 may be formed so as not to block the hollowness of the hollow fiber membranes 211 .
- the first potting part 212 may be formed by curing a liquid resin such as a liquid polyurethane resin through a casting process.
- the first potting part 212 may fix one side of the inner case 210 and the hollow fiber membranes 211 .
- the cartridge 21 may include a second potting part 213 .
- the second potting part 213 fixes the other side of the hollow fiber membranes 211 .
- the second potting part 213 may be formed so as not to block the hollows of the hollow fiber membranes 211 . Accordingly, the dry gas may be supplied into the hollows of the hollow fiber membranes 211 without interfering with the second potting unit 213 and the first potting unit 212 , and after being humidified, may be supplied to the fuel cell stack.
- the second potting part 213 may be formed by curing a liquid resin such as a liquid polyurethane resin through a casting process. The second potting part 213 may fix the inner case 210 and the other side of the hollow fiber membranes 211 .
- the mid-case 22 is to which the cartridge 21 is coupled.
- the cartridge 21 may be disposed inside the mid-case 22 so that a space is provided between the inner surface of the mid-case 22 and the outer surface of the cartridge 21 .
- the mid-case 22 may include an inlet 221 and an outlet 222 .
- the wet gas containing moisture may come into contact with the outer surfaces of the hollow fiber membranes 211 after flowing into the mid-case 22 through the inlet 221 . In this process, moisture contained in the wet gas penetrates the hollow fiber membranes 211 , thereby humidifying the dry gas flowing along the hollows of the hollow fiber membranes 211 .
- the humidified dry gas may be supplied to the fuel cell stack after flowing out from the hollow fiber membranes 211 . After humidifying the dry gas, the wet gas may flow out of the mid-case 22 through the outlet 222 .
- the inlet 221 may be connected to the fuel cell stack. In this case, the wet gas may be off-gas discharged from the fuel cell stack.
- the cartridge 21 has an inlet hole (not shown) through which the wet gas flows, and an outlet hole (not shown) through which the wet gas after humidifying the dry gas flowing along the hollows of the hollow fiber membranes 211 is humidified. city) can be formed.
- the wet gas flows between the inner surface of the mid-case 22 and the outer surface of the cartridge 21 through the inlet 221, and flows into the cartridge 21 through the inlet hole, After humidifying the dry gas flowing along the hollow of the hollow fiber membranes 211, it flows out between the inner surface of the mid-case 22 and the outer surface of the cartridge 21 through the outlet hole, and through the outlet 222 It may flow out of the mid-case 22 .
- the first packing member 23 seals between the cartridge 21 and the mid-case 22 .
- the first packing member 23 may be airtightly coupled to at least one end of the humidification module 2 through mechanical assembly. Accordingly, the first packing member 23 allows the first cap 3 to be in fluid communication with only the hollow fiber membranes 211 . Accordingly, the first packing member 23 may prevent direct mixing of the dry gas to be supplied to the fuel cell stack and the wet gas supplied into the mid-case 22 .
- the first packing member 23 may be inserted between the cartridge 21 and the mid-case 22 . In this case, the cartridge 21 may be inserted into the first through hole 23a formed in the first packing member 23 .
- the first packing member 23 may contact the inner wall of the mid-case 22 , the outer wall of the cartridge 21 , and the first potting part 212 , respectively. Through this contact, the first packing member 23 can be airtightly coupled to one end of the humidification module (2). In this case, the first packing member 23 may contact a portion of the inner wall of the mid-case 22 , a portion of the outer wall of the cartridge 21 , and a portion of the first potting part 212 , respectively.
- the humidifier 1 for a fuel cell according to the present invention may include a plurality of the first packing members 23 .
- the first packing members 23 and 23 ′ may be airtightly coupled to both ends of the humidifying module 2 , respectively.
- the first packing members 23 and 23 ′ may be disposed on both sides of the cartridge 21 .
- the first packing member 23 ′ contacts the inner wall of the mid-case 22 , the outer wall of the cartridge 21 , and the second potting part 213 , respectively, and thereby the other end of the humidification module 2 .
- the first packing member 23 ′ may contact a portion of the inner wall of the mid-case 22 , a portion of the outer wall of the cartridge 21 , and a portion of the second potting part 213 , respectively. . Since the first packing members 23 and 23 ′ are implemented in the same structure only with different positions, the description will be based on the first packing member 23 disposed at one end of the humidification module 2 . From this, deriving the first packing member 23' disposed at the other end of the humidification module 2 is obvious to those skilled in the art to which the present invention pertains.
- the first packing member 23 may be in close contact with the cartridge 21 using at least one of a dry gas and a wet gas. Since both the drying gas and the wetting gas flow at a considerable amount of pressure during the humidification process, the drying gas and the wetting gas have sufficient pressure to compress the first packing member 23 toward the cartridge 21, respectively. . Accordingly, in the fuel cell humidifier 1 according to the present invention, the first packing member 23 is brought into close contact with the cartridge 21 by using at least one of a dry gas and a wet gas during the humidification process. implemented so that Accordingly, since the humidifier 1 for fuel cell according to the present invention can implement sealing force for preventing direct mixing of dry gas and wet gas without additional configuration, the cost for enhancing the sealing force can be lowered.
- the first packing member 23 may be formed of a material capable of elastic deformation. For example, the first packing member 23 may be formed of rubber. The first packing member 23 may be formed in a ring shape to seal between the cartridge 21 and the mid-case 22 .
- the first packing member 23 may include a first packing body 230 .
- the first packing body 230 constitutes the overall appearance of the first packing member 23 .
- the first outer surface 230a of the first packing body 230 is the first cap 3 ) can be positioned to face the
- the first inner surface 230b of the first packing body 230 may be disposed to face the inner side of the mid-case 22 .
- the first inner surface 230b and the first outer surface 230a may be disposed to face opposite directions.
- the first packing member 23 may include a first outer groove 231 and a first outer member 232 .
- the first outer groove 231 is to accommodate the drying gas.
- the first outer groove 231 may be formed in the first outer surface 230a. Accordingly, since the first outer groove 231 is disposed to face the first cap 3 , it is possible to accommodate the drying gas located between the first cap 3 and the cartridge 21 . .
- the first outer member 232 is in contact with the cartridge 21 between the first outer groove 231 and the cartridge 21 . According to the pressure of the drying gas accommodated in the first outer groove 231 , the first outer member 232 may be compressed toward the cartridge 21 to be in close contact with the cartridge 21 . Accordingly, in the fuel cell humidifier 1 according to the present invention, the sealing force between the first packing member 23 and the cartridge 21 using the pressure of the drying gas accommodated in the first outer groove 231 . can be strengthened The first outer member 232 may be in close contact with the first potting part 212 .
- the first packing member 23 may include a first outer protrusion 233 .
- the first outer protrusion 233 is in contact with the mid-case 22 between the first outer groove 231 and the mid-case 22 .
- the first outer protrusion 233 may be compressed toward the mid-case 22 to be in close contact with the mid-case 22 .
- the humidifier 1 for a fuel cell according to the present invention uses the pressure of the drying gas accommodated in the first outer groove 231 between the first packing member 23 and the mid-case 22 .
- the sealing power can be strengthened.
- the first outer groove 231 is formed in a first axial direction (X-axis direction). It may be disposed between the first outer member 232 and the first outer protrusion 233 based on the . Accordingly, the pressure of the drying gas accommodated in the first outer groove 231 may operate in a direction to increase the gap between the first outer member 232 and the first outer protrusion 233 . Therefore, by using the pressure of the drying gas accommodated in the first outer groove 231, the first outer member 232 is in close contact with the cartridge 21, and the first outer protrusion 233 is the mid- It may be in close contact with the case 22 .
- the first outer member 232 , the first outer protrusion 233 , and the first packing body 230 may be integrally formed.
- the first packing member 23 may include a first inner groove 234 and a first inner member 235 .
- the first inner groove 234 is to receive the wet gas.
- the first inner groove 234 may be formed in the first inner surface 230b. Accordingly, since the first inner groove 234 is disposed to face the inner side of the mid-case 22 , it is possible to accommodate the wet gas located inside the mid-case 22 . In this case, the wet gas located between the inner surface of the mid-case 22 and the outer surface of the cartridge 21 may be accommodated in the first inner groove 234 .
- the first inner member 235 is in contact with the cartridge 21 between the first inner groove 234 and the cartridge 21 . According to the pressure of the wet gas accommodated in the first inner groove 234 , the first inner member 235 may be compressed toward the cartridge 21 to be in close contact with the cartridge 21 . Accordingly, in the fuel cell humidifier 1 according to the present invention, the sealing force between the first packing member 23 and the cartridge 21 using the pressure of the wet gas accommodated in the first inner groove 234 . can be strengthened
- the first inner member 235 may be in close contact with the inner case 210 . A part of the first inner member 235 may be in close contact with the first potting part 212 and a part of the first inner member 235 may be in close contact with the inner case 210 .
- the first packing member 23 may include a first inner protrusion 236 .
- the first inner protrusion 236 is in contact with the mid-case 22 between the first inner groove 234 and the mid-case 22 .
- the first inner protrusion 236 may be compressed toward the mid-case 22 to be in close contact with the mid-case 22 .
- the humidifier 1 for fuel cell according to the present invention uses the pressure of the wet gas accommodated in the first inner groove 234 between the first packing member 23 and the mid-case 22 .
- the sealing power can be strengthened.
- the first inner groove 234 is formed between the first inner member 235 and the first inner member 235 . It may be disposed between the first inner protrusions 236 . Accordingly, the pressure of the wet gas accommodated in the first inner groove 234 may operate in a direction to increase the distance between the first inner member 235 and the first inner protrusion 236 . Therefore, by using the pressure of the wet gas accommodated in the first inner groove 234, the first inner member 235 is in close contact with the cartridge 21, and the first inner protrusion 236 is the mid- It may be in close contact with the case 22 .
- the first inner member 235, the first inner protrusion 236, and the first packing body 230 may be integrally formed.
- the first packing member 23 may include an extension member 237 and a locking member 238 .
- the extension member 237 extends toward the mid-case 22 .
- the extension member 237 may extend from the first outer protrusion 233 toward the mid-case 22 .
- the extension member 237 may be supported by the mid-case 22 .
- the extension member 237 may connect the locking member 238 and the first outer protrusion 233 .
- the extension member 237 , the locking member 238 , the first outer protrusion 233 , and the first packing body 230 may be integrally formed.
- the extension member 237 may extend from the first packing body 230 toward the mid-case 22 .
- a locking groove 237a may be formed in the extension member 237 .
- the locking groove 237a may be disposed between the first outer protrusion 233 and the locking member 238 .
- the mid-case 22 may be inserted into the locking groove 237a.
- the locking member 238 is coupled to the extension member 237 .
- the locking member 238 may be disposed outside the mid-case 22 inserted into the locking groove 237a.
- the mid-case 22 may be disposed between the locking member 238 and the first outer protrusion 233 .
- the mid-case 22 may also be disposed between the locking member 238 and the first packing body 230 .
- the fuel cell humidifier 1 can improve the stability of the operation of strengthening the sealing force by using at least one of a dry gas and a wet gas.
- the first packing member 23 may include a first reinforcing member 239 .
- the first reinforcing member 239 may be disposed inside the first packing body 230 .
- the first reinforcing member 239 may be formed of a material having greater rigidity than that of the first packing body 230 .
- the first reinforcing member 239 may be formed of metal, plastic, or the like.
- the first reinforcing member 239 may be implemented to be disposed inside the first packing body 230 through insert molding.
- the first packing member 23 includes the first outer groove 231 , the first outer member 232 , the first outer protrusion 233 , and the first It may be implemented to include all of the inner groove 234 , the first inner member 235 , and the first inner protrusion 236 .
- the first packing member 23 may be implemented to include only the first outer groove 231 , the first outer member 232 , and the first outer protrusion 233 . have.
- the first packing member 23 may be implemented to include only the first inner groove 234 , the first inner member 235 , and the first inner protrusion 236 . have.
- the first cap 3 is coupled to one end of the humidification module 2 .
- the space between the first cap 3 and the cartridge 21 may be sealed with respect to the space between the cartridge 21 and the mid-case 22 by the first packing member 23 . .
- the first cap 3 may include a first pressing member 31 .
- the first pressing member 31 may press the extension member 237 toward the mid-case 22 . Accordingly, the first pressing member 31 may further strengthen the fixing force for maintaining the first packing member 23 in a sealed state between the cartridge 21 and the mid-case 22 . .
- the second cap 4 is coupled to the other end of the humidification module 2 .
- the space between the second cap 4 and the cartridge 21 may be sealed with respect to the space between the cartridge 21 and the mid-case 22 by the first packing member 23 ′.
- the first packing member 23 ′ is substantially identical to that described in the above-described first packing member 23 , a detailed description thereof will be omitted.
- the humidifier 1 for a fuel cell according to the present invention may be implemented such that a plurality of the cartridges 21 are coupled to the mid-case 22 .
- the mid-case 22 may include a partition member (not shown) disposed between the cartridges 21 and 21'.
- the cartridges 21 and 21 ′ are disposed between the partition wall members so that they can be individually and detachably coupled to the mid-case 22 .
- the cartridges 21 and 21' shown in FIGS. 11 to 13 each include a plurality of hollow fiber membranes and an inner case, but the hollow fiber membranes and the inner case are omitted and only the first potting part is expressed. .
- the humidification module 2 may include a second packing member 24 .
- the second packing member 24 is disposed between the cartridges 21 and 21' to seal between the cartridges 21 and 21'.
- the second packing member 24 may prevent the dry gas and the wet gas from being directly mixed through between the cartridges 21 and 21'.
- the fuel cell humidifier 1 according to the present invention may include a plurality of the second packing members 24 .
- the second packing members 24 and 24' may be disposed on both sides of the cartridges 21 and 21', respectively. Since the second packing members 24 and 24' are implemented in the same structure with only a different position, the description is based on the second packing member 24 disposed on one side of the cartridges 21 and 21'. do. From this, deriving the second packing member 24' disposed on the other side of the cartridges 21 and 21' is obvious to those skilled in the art to which the present invention pertains.
- the second packing member 24 may be in close contact with the cartridges 21 and 21' by using at least one of a dry gas and a wet gas. Therefore, the humidifier 1 for fuel cell according to the present invention can implement sealing force to prevent direct mixing of dry gas and wet gas through between the cartridges 21 and 21' without additional configuration, so that the sealing force can lower the cost of strengthening it.
- the second packing member 24 may be formed of a material capable of elastic deformation.
- the second packing member 24 may be formed of rubber.
- the second packing member 24 may include a second packing body 240 .
- the second packing body 240 constitutes the overall appearance of the second packing member 24 .
- the second outer surface 240a of the second packing body 240 faces the first cap 3 . can be arranged to do so.
- the second inner surface 240b of the second packing body 240 may be disposed to face the inner side of the mid-case 22 .
- the second inner surface 240b may be disposed to face the partition member.
- the second inner surface 240b and the second outer surface 240a may be disposed to face opposite directions.
- the second packing member 24 may include a second outer groove 241 and a plurality of second outer members 242 and 242 ′.
- the second outer groove 241 is to accommodate the drying gas.
- the second outer groove 241 may be formed in the second outer surface 240a. Accordingly, since the second outer groove 241 is disposed to face the first cap 3 , it is possible to accommodate the drying gas located between the first cap 3 and the cartridge 21 . .
- the second outer members 242 and 242' are in contact with the cartridges 21 and 21' between the second outer groove 241 and the cartridges 21 and 21'. According to the pressure of the drying gas accommodated in the second outer groove 241, the second outer members 242 and 242' are compressed toward the cartridges 21 and 21', so that the cartridges 21 and 21 are compressed. ') can be attached to each. Accordingly, in the fuel cell humidifier 1 according to the present invention, the second packing member 24 and the cartridges 21 and 21 ′ use the pressure of the drying gas accommodated in the second outer groove 241 . The sealing force between the two can be strengthened. The second outer members 242 and 242 ′ may be in close contact with the first potting part 212 .
- the second outer groove 241 may be disposed between the second outer members 242 and 242'. Accordingly, the pressure of the drying gas accommodated in the second outer groove 241 may act in a direction to increase the distance between the second outer members 242 and 242'.
- the second outer members 242 and 242', and the second packing body 240 may be integrally formed.
- the second packing member 24 may include a second inner groove 243 and second inner members 244 and 244 ′.
- the second inner groove 243 is to receive the wet gas.
- the second inner groove 243 may be formed in the second inner surface 240b. Accordingly, since the second inner groove 243 is disposed to face the inner side of the mid-case 22 , it is possible to accommodate the wet gas located inside the mid-case 22 . In this case, the humidifying gas located between the outer surfaces of each of the cartridges 21 and 21 ′ may be accommodated in the second inner groove 243 .
- the second inner members 244 and 244' are in contact with the cartridges 21 and 21' between the second inner groove 243 and the cartridges 21 and 21'. According to the pressure of the wet gas accommodated in the second inner groove 243, the second inner members 244 and 244' are compressed toward the cartridges 21 and 21' and the cartridges 21 and 21'. ) can be attached to each. Accordingly, in the fuel cell humidifier 1 according to the present invention, the second packing member 24 and the cartridges 21 and 21 ′ use the pressure of the wet gas accommodated in the second inner groove 243 . The sealing force between the two can be strengthened.
- the second inner members 244 and 244' may be in close contact with the inner case 210 of each of the cartridges 21 and 21'.
- the second inner members 244 and 244' are partially in close contact with the first potting parts 212 and 212' of the cartridges 21 and 21', and a part of the cartridges 21 and 21'. They may be in close contact with each inner case 210 .
- the second inner groove 243 may be disposed between the second inner members 244 and 244 ′. Accordingly, the pressure of the wet gas accommodated in the second inner groove 243 may act in a direction to increase the distance between the second inner members 244 and 244 ′.
- the second inner members 244 and 244' and the second packing body 240 may be integrally formed.
- the second packing member 24 and the first packing member 23 may be integrally formed. Accordingly, the second packing member 24 and the first packing member 23 can be installed through one insertion operation. Therefore, in the fuel cell humidifier 1 according to the present invention, even when a plurality of cartridges 21 are coupled to the mid-case 22, between the mid-case 22 and the cartridge 21 and the It is possible to improve the easiness of the operation of sealing between the cartridges (21).
- the second packing member 24 may include a second reinforcing member 245 .
- the second reinforcing member 245 may be disposed inside the second packing body 240 .
- the second reinforcing member 245 may be formed of a material having greater rigidity than that of the second packing body 240 .
- the second reinforcing member 245 may be formed of metal, plastic, or the like.
- the second reinforcing member 245 may be implemented to be disposed inside the second packing body 240 through insert molding.
- the second packing member 24 includes the second outer groove 241 , the second outer members 242 and 242 ′, and the second inner groove 243 .
- the second inner members 244 and 244' may be implemented to include both.
- the second packing member 24 may be implemented to include only the second outer groove 241 and the second outer members 242 and 242'.
- the second packing member 24 may be implemented to include only the second inner groove 243 and the second inner members 244 and 244 ′.
- the fuel cell humidifier 1 according to the present invention is The mid-case 22 may be implemented such that the three cartridges 21, 21', 21" are coupled.
- the two second packing members 24 on one side of the humidification module 2 may be provided on the other side of the humidifying module 2.
- the fuel cell humidifier 1 according to the present invention includes the mid-case 22 ) may be implemented to be coupled to four or more cartridges 21. In this case, as the number of cartridges 21 coupled to the mid-case 22 increases, the second packing members 24 and 24 ') can be increased.
- the humidification module 2 may include a first elastic member 25 .
- the first packing member 23 may be in close contact with the cartridge 21 using the elastic force of the first elastic member 25 . Accordingly, in the fuel cell humidifier 1 according to the present invention, the sealing force for preventing the dry gas and the wet gas from directly mixing can be strengthened by using the first elastic member 25 . Therefore, the fuel cell humidifier 1 according to the present invention can improve the stability of the humidifying process of humidifying the dry gas.
- the first elastic member 25 is coupled to the first packing member 23 .
- the first elastic member 25 may use an elastic force to bring the first packing member 23 into close contact with the cartridge 21 .
- the first elastic member 25 may be implemented as a spring having an elastic force.
- the first elastic member 25 may be formed in a ring shape.
- the first elastic member 25 may be inserted into the first outer groove 231 .
- the first elastic member 25 compresses the first outer member 232 toward the cartridge 21 using an elastic force, thereby bringing the first outer member 232 into close contact with the cartridge 21 .
- the sealing force between the first packing member 23 and the cartridge 21 can be strengthened by using the elastic force of the first elastic member 25 .
- the first outer member 232 may be compressed toward the cartridge 21 by the elastic force of the first elastic member 25 to be in close contact with the cartridge 21 .
- the first outer member 232 may be in close contact with the first potting part 212 .
- the first packing member 23 uses the pressure of the drying gas to form the cartridge ( 21) can be adhered to. Since both the drying gas and the wet gas flow at a considerable amount of pressure during the humidification process, the drying gas has a pressure sufficient to compress the first packing member 23 toward the cartridge 21 . Accordingly, in the fuel cell humidifier 1 according to the present invention, in addition to using the elastic force of the first elastic member 25, the first packing member 23 is heated by using the pressure of the drying gas during the humidification process. It is implemented so as to be more strongly in close contact with the cartridge 21 .
- the humidifier 1 for fuel cell according to the present invention can further strengthen the sealing force for preventing the dry gas and the wet gas from being directly mixed.
- the sealing force can be further strengthened without additional configuration. Therefore, the fuel cell humidifier 1 according to the present invention can lower the cost for further strengthening the sealing force.
- the first outer groove 231 is 1 It can accommodate the drying gas located between the cap (3) and the cartridge (21).
- the first outer member 232 may be compressed toward the cartridge 21 according to the pressure of the drying gas accommodated in the first outer groove 231 to be in close contact with the cartridge 21 .
- the first elastic member 25 may be disposed inside the first packing body 230 as shown in FIG. 16 .
- the first elastic member 25 compresses the first packing body 230 toward the cartridge 21 using an elastic force, thereby bringing the first packing body 230 into close contact with the cartridge 21 .
- the first outer member 232 is brought into close contact with the cartridge 21 by using the pressure of the drying gas accommodated in the first outer groove 231 , and also It is implemented so that the first packing body 230 can be brought into close contact with the cartridge 21 by using the elastic force of the first elastic member 25 .
- the first packing member 23 can be closely attached to the cartridge 21, and thus the sealing force can be strengthened with a double structure.
- the first elastic member 25 may be implemented to be disposed inside the first packing body 230 through insert molding.
- the first elastic member 25 may be disposed on the first inner surface 230b side to bring the first packing member 23 into close contact with the cartridge 21 .
- the first elastic member 25 may be inserted into the first inner groove 234 to be in contact with the first inner member 235 . Accordingly, the first elastic member 25 may use the elastic force to bring the first inner member 235 into close contact with the cartridge 21 .
- the sealing force between the first packing member 23 and the cartridge 21 can be strengthened by using the elastic force of the first elastic member 25 .
- the first inner member 235 may be compressed toward the cartridge 21 by the elastic force of the first elastic member 25 to be in close contact with the cartridge 21 .
- the first inner member 235 may be in close contact with the inner case 210 .
- a part of the first inner member 235 may be in close contact with the first potting part 212 and a part of the first inner member 235 may be in close contact with the inner case 210 .
- the first packing member 23 uses the pressure of the wet gas to form the cartridge ( 21) can be adhered to. Accordingly, in the fuel cell humidifier 1 according to the present invention, in addition to using the elastic force of the first elastic member 25, the first packing member 23 is heated by using the pressure of the wet gas during the humidification process. It is implemented so as to be more strongly in close contact with the cartridge 21 .
- the first inner groove 234 is 1 It can accommodate the wet gas located between the cap (3) and the cartridge (21).
- the first inner member 235 may be compressed toward the cartridge 21 according to the pressure of the wet gas accommodated in the first inner groove 234 to be in close contact with the cartridge 21 .
- the first packing member 23 has the first outer member 232 attached to the cartridge 21 by the elastic force of the first elastic member 25 disposed in the first outer groove 231 .
- the first inner member 235 may be implemented to be in close contact with the cartridge 21 by the pressure of the wet gas accommodated in the first inner groove 234 .
- the first outer member 232 may be in close contact with the cartridge 21 by the elastic force of the first elastic member 25 and the pressure of the drying gas accommodated in the first outer groove 231 .
- the first packing member 23 is attached to the cartridge 21 by the elastic force of the first elastic member 25 disposed in the first inner groove 234 .
- the first outer member 232 may be implemented to be in close contact with the cartridge 21 by the pressure of the drying gas accommodated in the first outer groove 231 .
- the first inner member 235 may be in close contact with the cartridge 21 by the elastic force of the first elastic member 25 and the pressure of the wet gas accommodated in the first inner groove 234 .
- the first packing member 23 is the first packing body 230 by the elastic force of the first elastic member 25 disposed in the inside of the first packing body 230 is the cartridge 21 ) as well as in close contact with the first inner member 235 by the pressure of the wet gas accommodated in the first inner groove 234 may be implemented to be in close contact with the cartridge (21).
- the first packing member 23 is the first packing body 230 by the elastic force of the first elastic member 25 disposed in the inside of the first packing body 230 is the cartridge 21 ), the first outer member 232 is in close contact with the cartridge 21 by the pressure of the drying gas accommodated in the first outer groove 231 , and the wetness accommodated in the first inner groove 234 .
- the first inner member 235 may be implemented to be in close contact with the cartridge 21 by the pressure of the gas.
- the humidification module 2 may include a second elastic member 26 .
- the second elastic member 26 is coupled to the first packing member 23 .
- the second elastic member 26 may use an elastic force to bring the first packing member 23 into close contact with the cartridge 21 .
- the second elastic member 26 may be implemented as a spring having an elastic force.
- the second elastic member 26 may be formed in a ring shape.
- the second elastic member 26 may be inserted into the first inner groove 234 .
- the second elastic member 26 compresses the first inner member 235 toward the cartridge 21 using an elastic force, thereby bringing the first inner member 235 into close contact with the cartridge 21 .
- the first elastic member 25 may use an elastic force in the state disposed in the first outer groove 231 to bring the first outer member 232 into close contact with the cartridge 21 .
- the first inner member 235 and the first outer side using the elastic force of the second elastic member 26 and the elastic force of the first elastic member 25 are used.
- the member 232 may be in close contact with the cartridge 21 .
- different parts of the first packing member 23 can be closely attached to the cartridge 21, and thus, the sealing force can be strengthened with a double structure.
- the first inner member 235 can be more strongly adhered to the cartridge 21 by the elastic force of the second elastic member 26 and the pressure of the wet gas accommodated in the first inner groove 234 .
- the first outer member 232 may be more strongly attached to the cartridge 21 by the elastic force of the first elastic member 25 and the pressure of the drying gas accommodated in the first outer groove 231 .
- any one of the second elastic member 26 and the first elastic member 25 is disposed inside the first packing body 230, and the other elastic member is the second elastic member. It may be disposed in any one of the first inner groove 234 and the first outer groove 231 .
- the humidification module 2 may include a plurality of the first elastic members 25 .
- the first elastic members 25 and 25' are inserted into the first outer groove 231 and the second outer groove 241, respectively, so that the first packing member 23 and the second packing member 24 are inserted. ) may be in close contact with the cartridges 21 and 21'.
- the first elastic members 25 and 25' are disposed in a shape to surround each of the cartridges 21 and 21', so that the first packing member 23 and the second packing member 24 are attached to the cartridge. It can be elastically pressed toward the (21, 21').
- the pressure of the drying gas accommodated in each of the first outer groove 231 and the second outer groove 241 and the first elastic members 25 and 25' ) by using the elastic force of the first packing member 23 and the second packing member 24 is implemented so as to be in close contact with the cartridges (21, 21'). Therefore, the fuel cell humidifier 1 according to the present invention can strengthen the sealing force with a double structure.
- the humidifying module 2 may include the first elastic members 25 and 25 ′ and additionally include a plurality of the second elastic members 26 .
- the second elastic members 26 and 26' are inserted into the first inner groove 234 and the second inner groove 243, respectively, so that the first packing member 23 and the second packing member 24 are inserted. ) may be in close contact with the cartridges 21 and 21'.
- the second elastic members 26 and 26' are disposed to surround each of the cartridges 21 and 21', so that the first packing member 23 and the second packing member 24 are attached to the cartridge. It can be elastically pressed toward the (21, 21').
- the pressure of the drying gas accommodated in each of the first inner groove 234 and the second inner groove 243 and the second elastic members 26 and 26' ) by using the elastic force of the first packing member 23 and the second packing member 24 is implemented so as to be in close contact with the cartridges (21, 21'). Therefore, the fuel cell humidifier 1 according to the present invention can further strengthen the sealing force.
- each of the first elastic members 25 and 25' is inserted into the first inner groove 234 and the second inner groove 243, so that the first packing member (23) and the second packing member 24 may be implemented to be in close contact with the cartridges (21, 21').
- the first elastic members 25 and 25' are inserted into the first inner groove 234 and the second inner groove 243 in a shape surrounding each of the cartridges 21 and 21', so that the It is possible to elastically press the first packing member 23 and the second packing member 24 toward the cartridges 21 and 21'.
- the cartridge 21 may include a first support 214 .
- the first packing member 23 may be implemented to be in close contact with the cartridge 21 using compression through an interference fit.
- the first support 214 may be coupled to the first potting part 212 .
- the first support 214 may be disposed to surround the circumference of the first potting part 212 . Accordingly, the first potting part 212 may be disposed inside the first support 214 .
- the first support 214 may be formed in a ring shape.
- the first support 214 may be disposed to protrude to the outside of the first potting part 212 . Accordingly, in the process in which the first packing member 23 is inserted between the mid-case 22 and the cartridge 21 , between the mid-case 22 and the first support 214 . A portion of the first packing member 23 disposed on the can be compressed as it is press-fitted. Accordingly, the sealing force using the first packing member 23 can be further strengthened.
- the first support 214 may be supported by the inner case 210 through a hook coupling so that movement in the second axial direction (Y-axis direction) is restricted.
- the second axial direction (Y-axis direction) is an axial direction perpendicular to the first axial direction (X-axis direction), in a direction in which the first cap 3 and the second cap 4 are spaced apart from each other.
- the first packing member 23 may be inserted between the cartridge 21 and the mid-case 22 .
- the first support 214 may be formed of a material having greater rigidity than that of the first packing member 23 .
- the first support 214 may be formed of metal, plastic, or the like.
- the first support 214 may be implemented to have a shorter length than that of the first packing member 23 based on the second axial direction (Y-axis direction). For example, as shown in FIG. 20 , the first support 214 does not exist between the first outer member 232 and the first potting part 212 , and the first packing body 230 and It may be implemented such that the first support 214 exists only between the first potting parts 212 . Accordingly, the first outer member 232 may be compressed according to the pressure of the drying gas accommodated in the first outer groove 231 to be in close contact with the first potting part 212 . The first packing body 230 may be compressed as it is press-fitted between the mid-case 22 and the first support 214 to be in close contact with the first support 214 .
- the first support 214 is implemented to have the same length as the first packing member 23 with respect to the second axial direction (Y-axis direction) or to a longer length than the first packing member 23 . may be implemented.
- the first support 214 is present between the first outer member 232 and the first potting part 212 and the first packing body 230 and The first support 214 may also exist between the first potting parts 212 .
- the first outer member 232 and the first packing body 230 is compressed as it is press-fitted between the mid-case 22 and the first support 214, so that the first support ( 214) can be adhered to.
- the first outer member 232 may be in close contact with the cartridge 21 using both compression by the first support 214 and the pressure of the drying gas accommodated in the first outer groove 231 . have.
- the first support 214 When the first support 214 is implemented to be in contact with both the first outer member 232 and the first packing body 230 , the first support 214 is the first potting part through a casting process. In the process of forming the 212, it may be used as a potting cap. In this case, as shown by a dotted line in FIG. 21 , the first potting part 212 is formed through a casting process in a state in which the first support 214 is coupled to the inner case 210 and implemented as a potting cap. After that, through a cutting process of cutting a part CP of the first support 214 and a part of the first potting part 212 so that the hollows of the hollow fiber membranes 211 are opened, the cartridge ( 21) can be prepared.
- the embodiment using the first support 214 as the potting cap may omit the process of assembling the potting cap and the process of removing the forking cap. . Accordingly, the embodiment using the first support 214 as a potting cap can reduce manufacturing cost and increase productivity through shortening of manufacturing time.
- the cartridge 21 may include a second support (not shown).
- the second support may be coupled to the second potting part 213 . Since the second support 215 and the first support 214 are implemented with the same structure only with a different position, it is important to understand the structure of the second support from the description of the first support 214 . It is obvious to those skilled in the art to which the invention pertains. Accordingly, a detailed description of the second support will be omitted.
- the first cap 3 may include a first pressing protrusion 32 .
- the first pressing protrusion 32 protrudes from the first pressing member 31 .
- the first pressing protrusion 32 compresses the extension member 237 toward the mid-case 22 to the extension member ( 237) may be in close contact with the mid-case 22 .
- the first pressing protrusion 32 can further strengthen the sealing force between the first cap 3 and the mid-case 22 , as well as the fixing force for the first packing member 23 . can be further strengthened.
- the first pressing protrusion 32 may be formed to decrease in size as it protrudes from the first pressing member 31 .
- the first pressing protrusion 32 may be formed in a ring shape.
- the first cap 3 may include a first support member 33 .
- the first support member 33 may be inserted into the first outer groove 231 to support the first packing body 230 . Accordingly, the first support member 33 restricts the movement of the first packing member 23, thereby preventing the first packing member 23 from being separated due to vibration and shaking.
- the first support member 33 may be formed to a length capable of compressing the first packing body 230 . In this case, the first support member 33 may allow the first outer groove 231 to be maintained in a size sufficient to accommodate the battery fluid through compression of the first packing body 230 .
- the first support member 33 may further strengthen the adhesion of the first packing member 23 to the cartridge 21 through compression of the first packing body 230 .
- the first support member 33 may be formed in a ring shape.
- the second cap 4 may include a second pressing member, a second pressing protrusion, and a second supporting member.
- the second pressing member, the second pressing protrusion, and the second supporting member are approximately equal to each of the first pressing member 31 , the first pressing projection 32 , and the first supporting member 33 . Since the implementation is consistent, a detailed description thereof will be omitted.
- the cartridges 21 and 21 ′ are the first supports 214 and 214 . ') may be included.
- the first supports 214 and 214' may be disposed to surround the periphery of the cartridges 21 and 21'. Accordingly, in the process in which the second packing member 24 is inserted between the cartridges 21 and 21', the second packing member disposed between the first supports 214 and 214'.
- the portion of (24) can be extruded as it is press fit. Accordingly, the sealing force using the second packing member 24 can be further strengthened.
- Each of the first supports 214 and 214 ′ may be formed of a material having greater rigidity than that of the second packing member 24 .
- the first supports 214 and 214' may be formed of metal, plastic, or the like.
- the first supports 214 and 214' may be implemented to have a shorter length than that of the second packing member 24 based on the second axial direction (Y-axis direction).
- the first supports 214 and 214' are disposed between the second outer members 242 and 242' and the first potting parts 212 and 212'. This may not exist, and the first supports 214 and 214' may be present only between the second packing body 240 and the first potting parts 212 and 212'.
- the second outer members 242 and 242' may be compressed according to the pressure of the drying gas accommodated in the second outer groove 241 to be in close contact with the first potting parts 212 and 212'.
- the second packing body 240 may be compressed as it is press-fitted between the first supports 214 and 214' to be in close contact with the first supports 214 and 214'.
- the first supports 214 and 214 ′ are implemented to have the same length as the second packing member 24 with respect to the second axial direction (Y-axis direction) or compared to the second packing member 24 . It may be implemented with a longer length. For example, as shown in FIG. 24 , the first supports 214 and 214' are present between the second outer members 242 and 242' and the first potting parts 212 and 212'. In addition, it may be implemented such that the first supports 214 and 214' are also present between the second packing body 240 and the first potting parts 212 and 212'.
- the second outer members 242, 242' and the second packing body 240 are compressed as they are press-fitted between the first supports 214 and 214', so that the first supports (214, 214').
- the second outer members 242 and 242' use both compression by the first supports 214 and 214' and the pressure of the drying gas accommodated in the second outer groove 241 to form the It can be in close contact with the cartridges (21, 21').
Abstract
Description
Claims (24)
- 연료전지 스택으로부터 배출된 습윤 기체를 이용하여 외부로부터 공급된 건조 기체를 가습하기 위한 가습 모듈; 및상기 가습 모듈의 일단에 결합된 제1 캡을 포함하고,상기 가습 모듈은 미드-케이스; 및 상기 미드-케이스 내에 배치되며 복수의 중공사막들을 수용하는 적어도 하나의 카트리지;를 포함하며,연료전지용 가습기는, 상기 제1 캡이 상기 중공사막들과만 유체 연통할 수 있도록, 기계적 조립을 통해 상기 가습 모듈의 적어도 일단에 기밀하게 결합되는(Air tightly coupled) 제1 패킹부재를 더 포함하고,상기 제1 패킹부재는 건조 기체와 습윤 기체 중에서 적어도 하나의 압력을 이용하여 상기 카트리지에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 제1 패킹부재는 상기 제1 캡 쪽을 향하도록 배치된 제1 외측면, 상기 제1 캡과 상기 카트리지의 사이에 위치한 건조 기체를 수용하도록 상기 제1 외측면에 형성된 제1 외측홈, 및 상기 제1 외측홈과 상기 카트리지의 사이에서 상기 카트리지에 접촉된 제1 외측부재를 포함하고,상기 제1 외측부재는 상기 제1 외측홈에 수용된 건조 기체의 압력에 따라 상기 카트리지 쪽으로 압축되어서 상기 카트리지에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제2항에 있어서,상기 제1 패킹부재는 상기 제1 외측홈과 상기 미드-케이스의 사이에서 상기 미드-케이스에 접촉된 제1 외측돌기를 포함하고,상기 제1 외측돌기는 상기 제1 외측홈에 수용된 건조 기체의 압력에 따라 상기 미드-케이스 쪽으로 압축되어서 상기 미드-케이스에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제1 패킹부재는 상기 미드-케이스의 내부 쪽을 향하도록 배치된 제1 내측면, 상기 미드-케이스의 내부에 위치한 습윤 기체를 수용하도록 상기 제1 내측면에 형성된 제1 내측홈, 및 상기 제1 내측홈과 상기 카트리지의 사이에서 상기 카트리지에 접촉된 제1 내측부재를 포함하고,상기 제1 내측부재는 상기 제1 내측홈에 수용된 습윤 기체의 압력에 따라 상기 카트리지 쪽으로 압축되어서 상기 카트리지에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제4항에 있어서,상기 제1 패킹부재는 상기 제1 내측홈과 상기 미드-케이스의 사이에서 상기 미드-케이스에 접촉된 제1 내측돌기를 포함하고,상기 제1 내측돌기는 상기 제1 내측홈에 수용된 습윤 기체의 압력에 따라 상기 미드-케이스 쪽으로 압축되어서 상기 미드-케이스에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서, 상기 제1 패킹부재는상기 미드-케이스 쪽으로 연장된 연장부재,상기 연장부재에 형성된 걸림홈, 및상기 걸림홈에 삽입된 미드-케이스의 외측에 배치된 걸림부재를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제6항에 있어서,상기 제1 캡은 상기 연장부재를 상기 미드-케이스 쪽으로 압박하는 제1 압박부재를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 미드-케이스에는 상기 카트리지가 복수개 결합되고,상기 가습 모듈은 상기 카트리지들의 사이에 배치되어서 상기 카트리지들의 사이를 밀폐시키는 제2 패킹부재를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제8항에 있어서,상기 제2 패킹부재는 상기 제1 캡 쪽을 향하도록 배치된 제2 외측면, 상기 제2 외측면에 형성된 제2 외측홈, 및 상기 제2 외측홈과 상기 카트리지들의 사이에서 상기 카트리지들 각각에 접촉된 복수의 제2 외측부재를 포함하고,상기 제2 외측부재들은 상기 제2 외측홈에 수용된 건조 기체의 압력에 따라 상기 카트리지들 쪽으로 압축되어서 상기 카트리지들 각각에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제8항 또는 제9항에 있어서,상기 제2 패킹부재는 상기 미드-케이스의 내부 쪽을 향하도록 배치된 제2 내측면, 상기 제2 내측면에 형성된 제2 내측홈, 및 상기 제2 내측홈과 상기 카트리지들의 사이에서 상기 카트리지들 각각에 접촉된 복수의 제2 내측부재를 포함하고,상기 제2 내측부재들은 상기 제2 내측홈에 수용된 습윤 기체의 압력에 따라 상기 카트리지들 쪽으로 압축되어서 상기 카트리지들 각각에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제8항에 있어서,상기 제1 패킹부재와 상기 제2 패킹부재는 일체로 형성된 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 가습 모듈은 상기 제1 패킹부재에 결합된 제1 탄성부재를 포함하고,상기 제1 탄성부재는 탄성력을 이용하여 상기 제1 패킹부재를 상기 카트리지에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제12항에 있어서,상기 제1 패킹부재는 상기 제1 캡 쪽을 향하도록 배치된 제1 외측면, 상기 제1 외측면에 형성된 제1 외측홈, 및 상기 제1 외측홈과 상기 카트리지의 사이에서 상기 카트리지에 접촉된 제1 외측부재를 포함하고,상기 제1 탄성부재는 상기 제1 외측홈에 삽입되어서 상기 제1 외측부재를 상기 카트리지에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제13항에 있어서,상기 가습 모듈은 상기 제1 패킹부재에 결합된 제2 탄성부재를 포함하고,상기 제1 패킹부재는 상기 미드-케이스의 내부 쪽을 향하도록 배치된 제1 내측면, 상기 제1 내측면에 형성된 제1 내측홈, 및 상기 제1 내측홈과 상기 카트리지의 사이에서 상기 카트리지에 접촉된 제1 내측부재를 포함하며,상기 제2 탄성부재는 상기 제1 내측홈에 삽입되어서 상기 제1 내측부재를 상기 카트리지에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제12항에 있어서,상기 제1 패킹부재는 상기 미드-케이스의 내부 쪽을 향하도록 배치된 제1 내측면, 상기 제1 내측면에 형성된 제1 내측홈, 및 상기 제1 내측홈과 상기 카트리지의 사이에서 상기 카트리지에 접촉된 제1 내측부재를 포함하고,상기 제1 탄성부재는 상기 제1 내측홈에 삽입되어서 상기 제1 내측부재를 상기 카트리지에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제12항에 있어서,상기 제1 패킹부재는 상기 미드-케이스와 상기 카트리지의 사이에 배치된 제1 패킹본체를 포함하고,상기 제1 탄성부재는 상기 제1 패킹본체의 내부에 배치되어서 상기 제1 패킹본체를 상기 카트리지에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제12항에 있어서,상기 미드-케이스에는 상기 카트리지가 복수개 결합되고,상기 가습 모듈은 상기 카트리지들의 사이에 배치되어서 상기 카트리지들의 사이를 밀폐시키는 제2 패킹부재를 포함하되, 상기 제1 탄성부재를 복수개 포함하며,상기 제1 패킹부재는 상기 제1 캡 쪽을 향하도록 배치된 제1 외측면, 상기 제1 외측면에 형성된 제1 외측홈, 및 상기 제1 외측홈과 상기 카트리지의 사이에서 상기 카트리지에 접촉된 제1 외측부재를 포함하고,상기 제2 패킹부재는 상기 제1 캡 쪽을 향하도록 배치된 제2 외측면, 상기 제2 외측면에 형성된 제2 외측홈, 및 상기 제2 외측홈과 상기 카트리지들의 사이에서 상기 카트리지들 각각에 접촉된 복수의 제2 외측부재를 포함하며,상기 제1 탄성부재들은 각각 상기 제1 외측홈과 상기 제2 외측홈에 삽입되어서 상기 제1 패킹부재와 상기 제2 패킹부재를 상기 카트리지들에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제17항에 있어서,상기 제1 패킹부재는 상기 미드-케이스의 내부 쪽을 향하도록 배치된 제1 내측면, 상기 제1 내측면에 형성된 제1 내측홈, 및 상기 제1 내측홈과 상기 카트리지의 사이에서 상기 카트리지에 접촉된 제1 내측부재를 포함하고,상기 제2 패킹부재는 상기 미드-케이스의 내부 쪽을 향하도록 배치된 제2 내측면, 상기 제2 내측면에 형성된 제2 내측홈, 및 상기 제2 내측홈과 상기 카트리지들의 사이에서 상기 카트리지들 각각에 접촉된 복수의 제2 내측부재를 포함하며,상기 가습 모듈은 제2 탄성부재를 복수개 포함하고,상기 제2 탄성부재들은 각각 상기 제1 내측홈과 상기 제2 내측홈에 삽입되어서 상기 제1 패킹부재와 상기 제2 패킹부재를 상기 카트리지들에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 제1 패킹부재는 상기 제1 캡과 상기 카트리지의 사이에 위치한 건조 기체를 수용하는 제1 외측홈, 상기 제1 외측홈에 수용된 건조 기체의 압력에 따라 상기 카트리지 쪽으로 압축되어서 상기 카트리지에 밀착되는 제1 외측부재, 상기 제1 외측홈과 상기 미드-케이스의 사이에 배치된 제1 외측돌기, 및 상기 제1 외측돌기로부터 상기 미드-케이스 쪽으로 연장된 연장부재를 포함하고,상기 제1 캡은 상기 연장부재를 상기 미드-케이스 쪽으로 압박하는 제1 압박부재, 및 상기 제1 압박부재로부터 돌출된 제1 압박돌기를 포함하며,상기 제1 압박돌기는 상기 연장부재를 상기 미드-케이스 쪽으로 압축시켜서 상기 연장부재를 상기 미드-케이스에 밀착시키는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 제1 패킹부재는 상기 제1 캡과 상기 카트리지의 사이에 위치한 건조 기체를 수용하는 제1 외측홈, 및 상기 제1 외측홈이 형성된 제1 패킹본체를 포함하고,상기 제1 캡은 상기 제1 외측홈에 삽입되어서 상기 제1 패킹본체를 지지하는 제1 지지부재를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 카트리지는 상기 중공사막들의 일측을 고정하는 제1 포팅부, 및 상기 제1 포팅부에 결합된 제1 서포트를 포함하고,상기 제1 패킹부재는 상기 제1 캡과 상기 카트리지의 사이에 위치한 건조 기체를 수용하는 제1 외측홈, 상기 제1 외측홈에 수용된 건조 기체의 압력에 따라 상기 카트리지 쪽으로 압축되어서 상기 카트리지에 밀착되는 제1 외측부재, 및 상기 제1 외측홈이 형성된 제1 패킹본체를 포함하며,상기 제1 패킹본체는 상기 미드-케이스와 상기 제1 서포트 사이에 억지 끼워맞춤(Interference Fit)됨에 따라 압축되어서 상기 제1 서포트에 밀착되고,상기 제1 외측부재는 상기 제1 외측홈에 수용된 건조 기체의 압력에 따라 압축되어서 상기 제1 포팅부에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 카트리지는 상기 중공사막들의 일측을 고정하는 제1 포팅부, 및 상기 제1 포팅부에 결합된 제1 서포트를 포함하고,상기 제1 패킹부재는 상기 제1 캡과 상기 카트리지의 사이에 위치한 건조 기체를 수용하는 제1 외측홈, 상기 제1 외측홈에 수용된 건조 기체의 압력에 따라 상기 카트리지 쪽으로 압축되어서 상기 카트리지에 밀착되는 제1 외측부재, 및 상기 제1 외측홈이 형성된 제1 패킹본체를 포함하며,상기 제1 패킹본체와 상기 제1 외측부재는 상기 미드-케이스와 상기 제1 서포트 사이에 억지 끼워맞춤됨에 따라 압축되어서 상기 제1 서포트에 밀착되는 것을 특징으로 하는 연료전지용 가습기.
- 제21항 또는 제22항에 있어서,상기 제1 서포트는 상기 제1 패킹부재에 비해 더 큰 강성을 갖는 재질로 형성된 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 카트리지는 상기 중공사막들을 고정하는 제1 포팅부를 포함하고,상기 제1 패킹부재는 상기 미드-케이스의 내벽, 상기 카트리지의 외벽, 및 상기 제1포팅부 각각에 접촉하는 것을 특징으로 하는 연료전지용 가습기.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3157147A CA3157147C (en) | 2019-11-29 | 2020-11-27 | Fuel cell humidifier |
US17/766,535 US20230290971A1 (en) | 2019-11-29 | 2020-11-27 | Fuel cell humidifier |
JP2022521543A JP7357781B2 (ja) | 2019-11-29 | 2020-11-27 | 燃料電池用加湿器 |
CN202080083168.7A CN114747056A (zh) | 2019-11-29 | 2020-11-27 | 燃料电池用加湿器 |
EP20893005.7A EP4068439A4 (en) | 2019-11-29 | 2020-11-27 | FUEL CELL HUMIDIFIER |
JP2023158406A JP2023175851A (ja) | 2019-11-29 | 2023-09-22 | 燃料電池用加湿器 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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KR1020190157214A KR20210067510A (ko) | 2019-11-29 | 2019-11-29 | 연료전지용 가습기 |
KR1020190157111A KR20210067464A (ko) | 2019-11-29 | 2019-11-29 | 연료전지용 가습기 |
KR10-2019-0157214 | 2019-11-29 | ||
KR1020190156903A KR20210067368A (ko) | 2019-11-29 | 2019-11-29 | 연료전지용 가습기 |
KR10-2019-0156903 | 2019-11-29 | ||
KR10-2019-0157111 | 2019-11-29 |
Publications (1)
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WO2021107683A1 true WO2021107683A1 (ko) | 2021-06-03 |
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PCT/KR2020/017078 WO2021107683A1 (ko) | 2019-11-29 | 2020-11-27 | 연료전지용 가습기 |
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Country | Link |
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US (1) | US20230290971A1 (ko) |
EP (1) | EP4068439A4 (ko) |
JP (2) | JP7357781B2 (ko) |
CN (1) | CN114747056A (ko) |
CA (1) | CA3157147C (ko) |
WO (1) | WO2021107683A1 (ko) |
Cited By (1)
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---|---|---|---|---|
EP4180116A1 (de) * | 2021-11-10 | 2023-05-17 | B. Braun Avitum AG | Dichtadapter mit einem kontur-dichtelement zur filterbaugruppen-adaptierung für eine funktionsprüfung von hohlfaser-filtermodulen |
Families Citing this family (1)
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KR102546259B1 (ko) | 2020-05-22 | 2023-06-21 | 코오롱인더스트리 주식회사 | 가스켓 조립체 및 이를 포함하는 연료전지 가습기 |
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Also Published As
Publication number | Publication date |
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EP4068439A4 (en) | 2023-11-15 |
JP2023175851A (ja) | 2023-12-12 |
JP2022552509A (ja) | 2022-12-16 |
EP4068439A1 (en) | 2022-10-05 |
CA3157147C (en) | 2024-01-16 |
US20230290971A1 (en) | 2023-09-14 |
JP7357781B2 (ja) | 2023-10-06 |
CA3157147A1 (en) | 2021-06-03 |
CN114747056A (zh) | 2022-07-12 |
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