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WO2022002582A1 - Humidificateur et son procédé de fermeture étanche - Google Patents

Humidificateur et son procédé de fermeture étanche Download PDF

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Publication number
WO2022002582A1
WO2022002582A1 PCT/EP2021/066126 EP2021066126W WO2022002582A1 WO 2022002582 A1 WO2022002582 A1 WO 2022002582A1 EP 2021066126 W EP2021066126 W EP 2021066126W WO 2022002582 A1 WO2022002582 A1 WO 2022002582A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing body
sealing
block
longitudinal
humidifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2021/066126
Other languages
German (de)
English (en)
Inventor
Michael Baumann
Dieter Goldmann
Stefan Kaiser
Sven Alexander Kaiser
Rüdiger Knauß
Aleksandar Radlovic
Daniel Rothmaier
Lukas Schikora
Martin Wabschke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mahle International GmbH filed Critical Mahle International GmbH
Publication of WO2022002582A1 publication Critical patent/WO2022002582A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B01D63/08—Flat membrane modules
    • B01D63/082—Flat membrane modules comprising a stack of flat membranes
    • B01D63/084—Flat membrane modules comprising a stack of flat membranes at least one flow duct intersecting the membranes
    • B01D63/085—Flat membrane modules comprising a stack of flat membranes at least one flow duct intersecting the membranes specially adapted for two fluids in mass exchange flow
    • 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
    • B01D2313/04—Specific sealing means
    • 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
    • B01D2313/203—Open housings
    • 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
    • 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 invention relates to a humidifier according to the preamble of claim 1.
  • the invention also relates to a method for sealing the humidifier.
  • a humidifier of the generic type usually comprises a housing and a membrane block which is received in the housing.
  • a humidifier can in particular be arranged in the supply air flow of a fuel cell system.
  • the fuel cell system can in particular be used to drive vehicles.
  • the housing usually has a housing body and two connection covers which close the housing body on both sides. Two air currents are passed through the humidifier, which can exchange moisture with one another. Both the two air flows and the membrane block itself are sealed from the outside. From WO 2007/020107 A1 it is known to seal the membrane block in the housing and the housing to the outside by several elastic seals. Disadvantageously, such a seal is very complex, which also increases the cost of the humidifier.
  • the object of the invention is therefore to indicate an improved or at least alternative embodiment for a humidifier of the generic type, in which the disadvantages described are overcome.
  • the membrane block in the housing and the housing should be simplified and sealed securely.
  • a corresponding method for sealing the humidifier is to be provided.
  • a humidifier can be provided for a fuel cell system, in particular for driving a vehicle.
  • the humidifier has a housing and a membrane block.
  • the housing has a housing body and two connection covers which close the housing body at its end faces arranged transversely to the longitudinal direction of the humidifier.
  • the membrane block is received in the housing and closed transversely to the longitudinal direction by two sealingly abutting end plates.
  • the humidifier has a one-piece sealing body made of a hardened adhesive mass. The sealing body seals the diaphragm block at its block corners to the housing body and the diaphragm block to the end plates to the connection covers and the connection cover to the housing body.
  • the term "the block corner of the membrane block” is related to the respective longitudinally oriented corner between two adjacent and parallel to the longitudinal direction oriented side surfaces of the membrane block.
  • the membrane block has a total of four block corners aligned in the longitudinal direction, which are formed by four abutting side surfaces of the membrane block that form an angle.
  • the term "the block corner of the membrane block” can be equated with the term "the block edge or abutting edge or edge of the membrane block”.
  • the longitudinal direction can correspond to a mounting direction of the membrane block and / or a stacking direction of the membrane block.
  • the mounting direction of the diaphragm block is the direction in which the diaphragm block is pushed into the housing body during installation.
  • the stacking direction of the membrane block is the direction in which the individual flat membranes of the membrane block are spaced apart and stacked parallel to one another.
  • the membrane block is preferably formed from a plurality of adjacent flat membranes which are arranged spaced apart from one another for the passage of the air currents.
  • the sealing body according to the invention is made in one piece and conventional elastic seals are no longer necessary. Furthermore, the sealing body is made of the hardened adhesive mass, so that the sealing body can be applied as a non-hardened adhesive mass during sealing. This simplifies the sealing of the humidifier. In this way, tolerances in the humidifier can advantageously also be compensated for.
  • the sealing body according to the invention reliably seals the membrane block to the housing body and to the connection covers and the connection covers to the housing body.
  • the humidifier is provided for exchanging moisture between a first air flow and a second air flow.
  • four air spaces are formed in the humidifier according to the invention between the membrane block and the housing body.
  • the respective air space extends transversely to the longitudinal direction between two adjacent block corners of the membrane block and between a side wall of the membrane block and a housing wall of the housing body.
  • the respective air space is limited in the longitudinal direction by two connection covers of the housing. Two of the air spaces form a first inlet duct and a first outlet duct for the first air flow and two of the air spaces form a second inlet duct and a second outlet duct for the second air flow.
  • a first inlet nozzle for the first inlet duct and first outlet nozzle for the first outlet duct can be formed on one connection cover, and a second inlet nozzle for the second inlet duct and a second outlet nozzle for the second outlet duct can be formed on the other connection cover.
  • the respective air flows can be fed into the respective ducts or into the respective air spaces via the respective connecting pieces and can be diverted from them.
  • the areas between the flat membranes of the membrane block are alternately traversed in the longitudinal direction by the first and the second air stream.
  • the sealing body comprises a longitudinal sealing area with four longitudinal seals.
  • the longitudinal seals are aligned in the longitudinal direction and seal the block corners of the diaphragm block from the housing body.
  • the sealing body comprises two plate sealing areas aligned transversely to the longitudinal direction, which seal the respective end plates of the membrane block to the respective connection covers.
  • the sealing body further comprises two cover sealing areas aligned transversely to the longitudinal direction, which seal the respective connection covers on the respective end faces of the housing body with respect to the housing body.
  • the longitudinal sealing area and the two plate sealing areas and the two cover sealing areas merge integrally into one another.
  • the air spaces can consequently be sealed from one another in the longitudinal direction.
  • the air spaces can be sealed to each other transversely to the longitudinal direction.
  • the air spaces can be sealed to the outside transversely to the longitudinal direction.
  • each longitudinal channel is formed in the housing body, which are aligned in the longitudinal direction and open inwards transversely to the longitudinal direction.
  • the respective block corner of the membrane block protrudes into the respective longitudinal channel from the inside and thereby closes the respective longitudinal channel.
  • the respective longitudinal seal of the sealing body is then in the respective longitudinal channel between the respective block corner and the Housing body arranged in a sealing manner.
  • the longitudinal channels allow the diaphragm block to be easily arranged and aligned in the housing body.
  • the respective longitudinal seal of the sealing body is angeord net in the longitudinal channel and can particularly reliably seal the respective block corner of the membrane block with respect to the housing body. In other words, the air spaces of the humidifier can be sealed off from one another in a particularly reliable manner in the longitudinal direction.
  • the respective plate sealing area can be annular or cross-shaped transversely to the longitudinal direction and to connect the respective longitudinal seals of the longitudinal sealing area to one another at the respective block corners.
  • the membrane block is reliably sealed against the respective connection cover on the respective end plate.
  • the respective air spaces of the humidifier transversely to the longitudinal direction are reliably sealed from one another by the respective plate sealing area.
  • the plate sealing area is in one piece with the longitudinal seals of the longitudinal sealing area, so that safe and reliable sealing is also guaranteed at the block corners in transition areas to the end plates.
  • the respective end plate has a groove and the respective connection cover has a spring rib facing the respective end plate.
  • the respective spring rib engages axially in the respective groove.
  • the respective plate sealing area is arranged encompassing the respective groove and the respective tongue rib in areas.
  • a particularly reliable sealing can be achieved by means of a tongue and groove connection with the plate sealing area arranged in between.
  • the respective cover sealing area is annular and connects the respective longitudinal seals of the longitudinal sealing area to one another at the respective block corners.
  • the respective cover sealing area is arranged between the respective connection cover and the housing body, so that the housing is sealed to the outside by the cover sealing area.
  • the lid sealing area also connects the longitudinal seals and is made in one piece with them, which means that the air spaces of the humidifier are securely sealed transversely to the longitudinal direction to the outside and from each other.
  • the housing body to have a groove on the respective end face and for the respective connection cover to have a spring rib facing the housing body.
  • the respective spring rib engages axially in the respective groove.
  • the cover sealing area is arranged in the respective groove and surrounding the respective tongue rib in areas. A particularly reliable sealing can be achieved by means of a tongue and groove connection with the cover sealing area arranged in between.
  • a form-fitting poka-yoke unit can be formed on the respective connection cover and on the respective end face of the housing body, which prevents incorrect installation of the respective connection cover on the housing body.
  • the connection cover is installed, the assignment of the respective nozzles in the connection covers to the respective channels or the respective air flows in the housing body can take place without errors.
  • the invention also relates to a method of sealing the humidifier described above.
  • the diaphragm block is inserted into the housing body in Introduced lengthwise of the humidifier.
  • the uncured adhesive mass is inserted between the block corners of the membrane block and the housing body in order to form a longitudinal sealing area of the sealing body for sealing the membrane block to the housing body.
  • the non-hardened adhesive compound is applied to the end plates of the diaphragm block in order to form plate sealing areas of the sealing body for sealing the diaphragm block to the connection covers.
  • the non-hardened adhesive mass is applied to the end faces of the housing body in order to form cover sealing areas of the sealing body for sealing the connection cover to form the housing body.
  • the housing body is closed with the connection covers.
  • the uncured adhesive mass is then cured to form the one-piece sealing body.
  • the application of the non-hardened adhesive mass and the closing of the housing body can advantageously take place first on one end face and then on the other end face of the housing body.
  • the non-hardened adhesive mass can first be applied to the two end faces and then the housing body can be closed with the connection covers on the two end faces of the housing body.
  • the block corners of the membrane block are inserted into inwardly open longitudinal channels of the housing body and the longitudinal channels are thus closed.
  • the respective longitudinal channels are then filled with the non-hardened adhesive mass one after the other.
  • filling the respective longitudinal channel it is aligned below the other longitudinal channels and parallel to the floor. It is advantageous when filling the respective longitudinal channels and when changing to filling longitudinal channel of the housing body rotates around the longitudinal direction by 90 ° ver.
  • the respective end face of the housings body is aligned upwards and parallel to the bottom.
  • a groove in the respective end plate and a groove on the respective end face of the housing body with the non-hardened adhesive mass are each filled up to a mark.
  • spring ribs of the respective connection cover engage in the respective grooves and the non-hardened adhesive compound encases the spring ribs in areas. This creates a tongue and groove connection with the adhesive compound arranged in between, which then forms the respective plate sealing area and the respective cover sealing area. A particularly reliable sealing can be achieved in this way.
  • the respective grooves are vented via an interruption or via an opening leading to the outside.
  • FIG. 1 shows an exploded view of a humidifier according to the invention, shown here without a sealing body
  • Fig. 2 is a view of the humidifier according to the invention with a connection cover built select, shown here without a sealing body;
  • Fig. 3 is a view of the humidifier according to the invention, here without one
  • Fig. 4 is a view of the humidifier according to the invention, here without one
  • Fig. 5 is a view of a sealing body for the humidifier according to the invention.
  • 10 is a sectional view of a sealing tongue and groove connection in the humidifier according to the invention; 11 shows a view of the humidifier according to the invention without a connection cover and with an alternatively configured sealing body.
  • the humidifier 1 shows an exploded view of a humidifier 1 according to the invention for a fuel cell system, in particular for driving a vehicle.
  • the humidifier 1 has a housing 2 with a housing body 3 and with two connection covers 4a and 4b.
  • the connection covers 4a and 4b close off the housing body 3 at its end faces 5a and 5b arranged transversely to the longitudinal direction LR of the humidifier 1.
  • the humidifier 1 also has a membrane block 6, which is received in the housing 2.
  • the membrane block 6 comprises two end plates 7a and 7b, which seal the membrane block to the outside transversely to the longitudinal direction LR.
  • Fig. 2 shows a view of the humidifier 1 according to the invention with the connection cover 4b built from.
  • no sealing body is shown for the sake of clarity.
  • four inwardly open longitudinal channels 14 are formed in the housing body 3, into which block corners 9 of the membrane block 6 engage.
  • the respective block corner 9 of the membrane block 6 protrudes into the respective longitudinal channel 14 from the inside and thereby closes the respective longitudinal channel 14. If the block corners 9 are received in the L Lucasskanä len 14, there are four air spaces 8 in the humidifier 1 between the membrane block 6 and the housing 2 is formed.
  • the air spaces 8 extend transversely to the longitudinal direction LR between the two adjacent block corners 9 of the membrane block 6 and between the two adjacent longitudinal channels 14 and between the membrane block 6 and the housing body 3.
  • the respective air spaces extend 8 between the two connection covers 4a and 4b.
  • the Nozzles 10 are formed in the respective connection covers 4a and 4b, so that the housing 2 has a total of four nozzles 10.
  • the respective connection piece 10 is assigned to one of the air spaces 8. Two air streams L1 and L2 - see FIGS. 1 and 3 - are passed to and from the membrane block 6 via the nozzle 10 and the associated air spaces 8.
  • a form-fitting Poka-Yoke unit 11 is formed on the connection cover 4b and on the end face 5b of the housing body 3.
  • the poka-yoke unit 11 prevents incorrect assembly of the connection cover 4b on the housing body 3 and thus a misallocation of the nozzle 10 to the respective air spaces 8.
  • a further poke Yoke unit 11 be shaped on the connection cover 4a and on the respective end face 5a of the housing body 3.
  • FIG. 3 now shows a view of the humidifier 1 according to the invention, the housing body 3 not being shown here for the sake of clarity.
  • 4 shows a view of the humidifier 1 according to the invention, the connection cover 4b not being shown here for the sake of clarity.
  • Fig. 5 shows a view of a sealing body 12 for the humidifier 1 according to the invention.
  • the diaphragm block 6 is traversed by the air currents L1 and L2.
  • the air flows L1 and L2 are passed through the membrane block 6 in the opposite direction or according to the countercurrent principle.
  • the air flows L1 and L2 can be passed through the membrane block 6 in the same direction or according to the direct current principle.
  • the opposite connection covers 4a and 4b are arranged rotated clockwise by 180 °.
  • the areas arranged opposite one another belong to the same air flow L1 or L2 and the areas rotated by 90 ° belong to the other air flow L2 or L1.
  • the sealing body 12 is molded in one piece from a hardened adhesive mass 13.
  • the sealing body 12 comprises a longitudinal sealing area 15 with four longitudinal seals 16.
  • the longitudinal seals 16 are aligned in the longitudinal direction LR and seal the block corners 9 of the membrane block 6 in the longitudinal channels 14 to the housing body 3.
  • the longitudinal sealing area 15 thus seals the membrane block 6 in the longitudinal direction LR from the housing body 3.
  • the air spaces 8 are sealed from one another in the longitudinal direction LR by the longitudinal seals 16 of the longitudinal sealing region 15.
  • the sealing body 12 comprises two plate sealing areas 17a and 17b which are aligned transversely to the longitudinal direction LR and which seal the respective end plates 7a and 7b from the respective connection covers 4a and 4b.
  • the plate sealing areas 17a and 17b are formed here in a ring shape.
  • the plate sealing areas 17a and 17b are connected to the respective longitudinal seals 16 of the longitudinal sealing area 15 at the respective block corners 9 of the membrane block 6, so that the membrane block 6 is also safely and reliably sealed in transition areas 19 between the block corners 9 and the end plates 7a and 7b.
  • the membrane block 6 is sealed transversely to the longitudinal direction LR to the connection covers 4a and 4b.
  • the air spaces 8 are separated from one another in a sealing manner transversely to the longitudinal direction LR by the plate sealing areas 17a and 17b.
  • the sealing body 12 further comprises two ring-shaped cover sealing areas 18a and 18b aligned transversely to the longitudinal direction LR, which seal the respective connection covers 4a and 4b on the respective end faces 5a and 5b of the housing body 3 with respect to the housing body 3.
  • the respective cover sealing areas 18a and 18b are annular and are in the transition areas 19 with the respective longitudinal seals 16 of the longitudinal sealing area 15 and the respective Plate sealing areas 17a and 17b connected.
  • the cover sealing areas 18a and 18b seal the connection covers 4a and 4b to the longitudinal direction LR to the housing body 3 and the air spaces 8 transversely to the longitudinal direction LR to the outside and from one another.
  • the sealing body 12 is in one piece.
  • the longitudinal sealing area 15 and the two plate sealing areas 17a and 17b and the two cover sealing areas 18a and 18b go integrally into one another.
  • the sealing body 12 according to the invention seals the membrane block 6 on the block corners 9 to the housing body 3 and the membrane block 6 on the end plates 7a and 7b to the connection covers 4a and 4b and the connection covers 4a and 4b to the housing body 3.
  • the sealing body 12 is formed from the hardened adhesive mass, so that the sealing body 12 can be applied as a non-hardened adhesive mass during sealing. This simplifies the waterproofing th of the humidifier 1 considerably.
  • tolerances in the humidifier 1 can also be compensated for in this way.
  • FIGS. 6 to 9 show the humidifier 1 in individual steps of a method 20 according to the invention for sealing the humidifier 1.
  • the membrane block 6 is first introduced into the housing body 3 in the longitudinal direction LR of the humidifier 1, as indicated by the arrow.
  • the block corners 9 of the membrane block 6 are introduced into the inwardly open longitudinal channels 14 of the housing body 3 and the longitudinal channels 14 are thereby closed inward.
  • the non-hardened adhesive mass 13 is then inserted into the longitudinal channels 14 closed inwards with the block corners 9 by means of a grommet 27.
  • the longitudinal sealing area 15 of the sealing body 12 is formed, wherein the respective longitudinal seal 16 is assigned to one of the longitudinal channels 14 or to one of the block corners 9.
  • the respective longitudinal channels 14 are filled one after the other, the respective longitudinal channel 14 to be filled being arranged below the other longitudinal channels 14 and parallel to the floor or parallel to the horizontal.
  • the housing body 3 with the membrane block 6 is rotated through the longitudinal direction LR by 90 °, as indicated by the arrow. If all the longitudinal channels 14 are filled with the uncured adhesive mass 13, the next step takes place.
  • the end face 5b - of the housing body 3 is aligned parallel to the top and to the floor or to the Horizon tale. Then a groove 21 in the respective end plate 7b and a groove 22 on the end face 5b of the housing body 3 are filled with the uncured adhesive mass 13. As a result, the plate sealing area 17b is formed in the groove 21 and the cover sealing area 18b is formed in the groove 22. Since, according to FIG. 9, the housing body 3 is closed at the end face 5b with the connection cover 4b.
  • the grooves 21 and 22 can be vented via an interruption or via an opening leading to the outside.
  • connection cover 4b When closing the connection cover 4b - see also FIGS. 1 and 2 - a spring rib 23 on the connection cover 4b engages in the groove 21 and a spring rib 24 on the connection cover 4b engages in the groove 22.
  • the tongue and groove connection 25 is explained in more detail below with reference to FIG. The same procedure is then followed on the end face 5a and the plate sealing area 17a and the cover sealing area 18a are formed. After that you can the non-hardened adhesive mass 13 hardened to form the sealing body 12 or harden by itself.
  • FIG. 10 now shows a sectional view of the sealing tongue and groove connection 25 which is produced in the humidifier 1 according to the invention in steps according to FIGS. 8 and 9 of the method 20.
  • the respective end plate 7a or 7b has the groove 21 and the respective connection cover 4a or 4b has the spring rib 23.
  • the groove 21 is filled up to a mark 26. If the housing body 3 is closed with the respective connection cover 4a or 4b, the spring rib 23 engages axially in the groove 21.
  • the non-hardened adhesive compound 13 partially envelops the tongue rib 23, whereby the sealing tongue-and-groove connection 25 is created. This creates only the sealing plate sealing area 17a or 17b. It goes without saying that the respective cover sealing area 18a or 18b is created by the identical tongue and groove connection 25 between the groove 22 and the tongue rib 24.
  • FIG. 11 shows a view of the humidifier 1 according to the invention with the sealing body 12 of the alternative design. Sealing body 12 shown in FIG. 1 to 10. Otherwise, the sealing bodies 12 in FIGS. 1 to 10 and here are the same.
  • the tongue and groove connection 25 is designed in an X-shape.
  • the groove 21 and the spring rib 23 are X-shaped.
  • no venting of the groove 21 is necessary in the method 20 when the X-shaped plate sealing area 17a or 17b is fused.

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  • 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)
  • Fuel Cell (AREA)

Abstract

L'invention concerne un humidificateur (1) pour un empilement de piles à combustible, en particulier pour l'entraînement d'un véhicule, comprenant un boîtier (2) et un bloc de membranes (6). Le boîtier (2) comprend un corps de boîtier (3) et deux couvercles de liaison (4a, 4b) qui ferment le corps de boîtier (3) sur ses faces avant (5a, 5b) qui sont agencées perpendiculairement à la direction longitudinale (LR) de l'humidificateur (1). Le bloc de membranes (6) est logé dans le boîtier (2) et est fermé perpendiculairement à la direction longitudinale (LR) par deux plaques d'extrémité (7a, 7b) en contact étanche. Selon l'invention, l'humidificateur (1) comprend un corps d'étanchéité en une partie (12) constitué d'un composé adhésif durci (13). Le corps d'étanchéité (12) ferme de manière étanche le bloc de membranes (6) au niveau de ses bords de bloc (9) contre le corps de boîtier (3), ferme de manière étanche le bloc de membranes (6) au niveau des plaques d'extrémité (7a, 7b) contre les couvercles de liaison (4a, 4b) et ferme de manière étanche les couvercles de liaison (4a, 4b) contre le corps de boîtier (3). L'invention concerne également un procédé (20) pour fermer de manière étanche l'humidificateur (1).
PCT/EP2021/066126 2020-06-29 2021-06-15 Humidificateur et son procédé de fermeture étanche Ceased WO2022002582A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020208046.1 2020-06-29
DE102020208046.1A DE102020208046A1 (de) 2020-06-29 2020-06-29 Befeuchter und ein Verfahren zu seinem Abdichten

Publications (1)

Publication Number Publication Date
WO2022002582A1 true WO2022002582A1 (fr) 2022-01-06

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WO (1) WO2022002582A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4000720A1 (fr) * 2020-11-19 2022-05-25 MAHLE International GmbH Humidificateur
WO2023006294A1 (fr) * 2021-07-30 2023-02-02 Mann+Hummel Gmbh Humidificateur comprenant un empilement de plaques et un empilement de plaques
EP4414057A1 (fr) * 2023-02-08 2024-08-14 MANN+HUMMEL GmbH Dispositif de plaque d'empilement et humidificateur pour système de pile à combustible
EP4512512A1 (fr) * 2023-08-24 2025-02-26 MANN+HUMMEL GmbH Dispositif de plaque d'empilement et humidificateur pour système de pile à combustible

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Publication number Priority date Publication date Assignee Title
DE102023209088A1 (de) 2023-09-19 2025-03-20 Mahle International Gmbh Membranstapeleinheit
DE102024113868A1 (de) 2024-05-17 2025-11-20 Carl Freudenberg Kg Membranbefeuchter

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US3993816A (en) * 1973-07-11 1976-11-23 Rhone-Poulenc S.A. Hollow fiber assembly for use in fluid treatment apparatus
WO2007020107A1 (fr) 2005-08-19 2007-02-22 Carl Freudenberg Kg Humidificateur
US20110000842A1 (en) * 2008-03-05 2011-01-06 Nok Corporation Humidifying membrane module
US20130101909A1 (en) * 2011-10-24 2013-04-25 Mann+Hummel Gmbh Humidifier for a Fuel Cell
WO2019132141A1 (fr) * 2017-12-29 2019-07-04 코오롱인더스트리 주식회사 Humidificateur à membrane pour pile à combustible

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