EP4635254A1 - Conduite de fluide pouvant être chauffée électriquement pour un composant d'un convertisseur d'énergie électrochimique, système pour un convertisseur d'énergie électrochimique et convertisseur d'énergie électrochimique - Google Patents

Conduite de fluide pouvant être chauffée électriquement pour un composant d'un convertisseur d'énergie électrochimique, système pour un convertisseur d'énergie électrochimique et convertisseur d'énergie électrochimique

Info

Publication number
EP4635254A1
EP4635254A1 EP23805594.1A EP23805594A EP4635254A1 EP 4635254 A1 EP4635254 A1 EP 4635254A1 EP 23805594 A EP23805594 A EP 23805594A EP 4635254 A1 EP4635254 A1 EP 4635254A1
Authority
EP
European Patent Office
Prior art keywords
fluid line
electrically heatable
heatable fluid
electrical contact
electrically
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.)
Pending
Application number
EP23805594.1A
Other languages
German (de)
English (en)
Inventor
Joerg Engelhardt
Guido Stammsen
Guido Bernd Finnah
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP4635254A1 publication Critical patent/EP4635254A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/58—Heating hoses; Heating collars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/35—Ohmic-resistance heating
    • F16L53/37—Ohmic-resistance heating the heating current flowing directly through the pipe to be heated
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/145—Carbon only, e.g. carbon black, graphite
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/02—Heaters using heating elements having a positive temperature coefficient
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/021—Heaters specially adapted for heating liquids
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/04—Heating means manufactured by using nanotechnology
    • 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

  • Heating pipes through which a fluid/medium flows is often used. Pipes of nozzles, injection valves, mixers, pumps, tanks, water separators, and much more must be heated in order to thaw the media contained in them and thus make them pumpable or to heat them up, since a certain temperature level must be reached for subsequent processes without evaporation.
  • the electrical resistance heaters can consist of simple metallic conductors, e.g. cables of appropriate length wound around the pipe, of PTC heating elements on a ceramic basis or of electrically conductive plastics.
  • the invention relates to an electrically heatable fluid line with the features of independent patent claim 1, a system with the features of independent patent claim 10 and an electrochemical energy converter with the features of independent patent claim 14. Further features and details of the invention emerge from the Subclaims, the description and the drawings. Features and details that are described in connection with the electrically heatable fluid line according to the invention naturally also apply in connection with the system according to the invention and/or in connection with the electrochemical energy converter according to the invention and vice versa, so that with regard to the disclosure of the individual aspects of the invention, reference is always made to each other or can be made.
  • an electrically heatable fluid line for a component of an electrochemical energy converter, made of a plastic mixed with electrically conductive particles, with an outer casing surface and an inner casing surface, and with at least one first electrical contact and at least one second electrical contact, wherein the at least one first electrical contact and the at least one second electrical contact are arranged at a distance from one another on the outer casing surface.
  • the electrically heated fluid line is used to warm up or thaw a fluid in an electrochemical energy converter, for example a fuel cell or an electrolyzer.
  • the fluid can be frozen due to the outside temperature, for example, and must be thawed after a cold start so that the lines of an electrochemical energy converter can be used again or so that the valves of an electrochemical energy converter can switch again. This is the case, for example, in water separators of an electrochemical energy converter or in drain or metering valves of an electrochemical energy converter.
  • the fluid remaining in front of or in valves and frozen can lead to malfunctions.
  • the first and second electrical contacts are contacted with electricity and the wall of the electrically heated fluid line is thus flowed through with electricity, whereby the electrically conductive particles cause the electrically heated fluid line to heat up (Joul heat).
  • This heat is transferred to the internal fluid/medium, ie to the The fluid flowing through an electrically heated pipe is transferred and thawed or at least warmed up.
  • the inner surface can be in direct contact with the fluid.
  • the fluid can be deionized water, for example.
  • Deionized water is not or only slightly electrically conductive, so no current flows through the deionized water, but rather the current flows through the electrically heated fluid line.
  • electrochemical energy converters in particular, a small amount of electrolysis can also take place. This would produce hydrogen from the water, which is already in the system and can react again in the electrochemical energy converter and be converted back into electricity.
  • the electrically heated fluid line can be round, square or oval depending on the component. In addition, it can be straight and/or curved to guide the fluid to its destination. This allows the electrically heated fluid line to be adapted to different geometries.
  • At least one of the electrical contacts is arranged in the area of the front side on the outer casing surface. This allows the heat generated to be transferred to other elements that are or can be connected to the fluid line.
  • an electrically heatable fluid line that the electrically conductive particles are arranged in sections in the axial direction or over a length of the fluid line and/or in sections in the radial direction or over a circumference of the fluid line.
  • the heat is generated due to the resistance that the electrically conductive particles offer to the current.
  • the distribution and quantity of the electrically conductive particles therefore determines the location or area where the heat is generated and transferred to the fluid.
  • the entire fluid line can be heated in a simple manner to ensure that various areas and undercuts are heated.
  • the electrically conductive particles are soot and/or graphite and/or metal powder and/or metal fibers and/or carbon nanotubes.
  • a high electrical conductivity is achieved.
  • Specific electrical conductivities can also be set in order to adjust the internal resistance in the electrically heated fluid line and thus the power consumption.
  • a PTC effect positive temperature coefficient
  • a temperature-dependent self-regulating effect can limit the power consumption of the tubular heating element and prevent overheating.
  • the at least one first electrical contact and the at least one second electrical contact are arranged radially and/or axially offset from one another.
  • the at least two electrical contacts are mounted radially on the outer diameter of the electrically heatable fluid line, the current flows from the first electrical contact via the circumferential segment to the next contact, i.e. the second electrical contact.
  • the at least one first electrical contact can be arranged at an angle to the second electrical contact. The angle can be between 45° and 180°, preferably between 90° and 180°, more preferably 135° and 180°.
  • the at least two electrical contacts are arranged on the outer diameter of the electrically heatable fluid line at a distance from one another in the axial pipe direction, the current flows along the electrically heatable fluid line. Even if the electrical contacts are arranged axially, they can be arranged radially offset from one another.
  • the at least one first electrical contact and/or the at least one second electrical contact have a contacting layer for contacting each other, wherein the contacting layer is a conductive adhesive and/or sprayed-on metal particles and/or overmolded metallic cables and/or punched grids.
  • a conductive adhesive is understood to be an electrically conductive adhesive.
  • the transmission of the current via the contact layer can be ensured by means of an insulation displacement connection and/or by means of spring contacts and/or a punched grid with a plug.
  • the at least one first electrical contact and/or the at least one second electrical contact has/have a contact surface, wherein the contact surface extends partially, in particular completely, along the length in axial direction of the electrically heatable fluid line and/or along the circumference in the radial direction of the outer jacket surface of the electrically heatable fluid line.
  • the size of the contact surface for connecting the electrical contacts to the electrically heatable fluid line can be used to regulate or determine the area in the electrically heatable fluid line in which the heat is generated and the heat generated. Accordingly, certain circumferential segments of the electrically heatable fluid line in which heat is to be generated can be determined in a simplified manner. Furthermore, the course of the heat along the electrically heatable fluid line can also be determined in this way.
  • extending partially along the circumference means that the contact surface in its circumferential extent corresponds to at least 5%, preferably at least 25%, more preferably at least 50%, more preferably at least 75%, of the circumference of the outer jacket surface of the electrically heatable fluid line.
  • At least one at least partially, in particular completely, circumferential outer undercut is optionally possible for at least one at least partially, in particular completely, circumferential outer undercut to be provided on the outer jacket surface of the electrically heatable fluid line.
  • the at least one external undercut is suitable for accommodating seals, for example O-rings, in order to seal the electrically heatable fluid line from other components.
  • the outer undercut can be a fastening means which is designed to receive a counter fastening means of another component, for example another fluid line or a valve.
  • the at least one external undercut can also serve as a positioning aid during installation in the housing. It is also conceivable in the case of an electrically heatable fluid line that at least one, preferably at least two, at least partially, in particular completely, circumferential inner undercuts are provided on the inner jacket surface.
  • the inner undercut is used to accommodate or connect other components or other fluid lines. This allows for a simple media-tight connection.
  • the inner undercut is located on one of the front sides of the electrically heated fluid line. This makes it easy to create a contact surface for a sealing seat.
  • an anti-twisting device is provided on the outer surface of an electrically heated fluid line. This ensures that the electrically heated fluid line is fixed in position when it is installed in another component or housing of an electrochemical energy converter.
  • the anti-twisting device can, for example, be a projection on the outer surface of the electrically heated fluid line.
  • a pipe in particular a metallic pipe, can be arranged along the inner jacket surface and is connected to the plastic mixed with electrically conductive particles in a heat-transferring manner via the inner jacket surface.
  • the pipe or the material of the pipe has a high heat transfer coefficient, as this can optimize and accelerate the transfer of heat to the fluid.
  • the pipe is anodized and/or coated to provide electrical and/or chemical insulation.
  • further heat-conducting elements made of the same electrically conductive plastic or of mounted metal elements are provided in order to specifically conduct the heat that has arisen in the pipe to other areas.
  • a metal pin can be arranged in such a way that the pin extends from the electrically conductive plastic or the mounted metal elements into a drain pipe. This can also thaw a more distant area and ensure the functionality of the entire system.
  • being in contact means that the heat generated in the electrically heatable fluid line influences the component.
  • the electrically heatable fluid line and the component are in direct contact with one another or that the fluid that is heated in the electrically heatable fluid line transfers this heat to the component.
  • an outer undercut of the outer surface of the electrically heatable fluid line is a fastening means and that the component has a counter-fastening means, wherein the counter-fastening means engages in the fastening means for fastening the component to the electrically heatable fluid line.
  • connection is preferably designed to be detachable.
  • the connection can be a snap-in connection or a clip connection.
  • the area of the fastening device can be designed to be spring-elastic for this purpose. According to the invention, it is conceivable in a system that the component and the electrically heatable fluid line are arranged in a housing.
  • the housing is a common housing. This makes it easy to handle the electrically heated fluid line, i.e., for example, it can be arranged on the component inside the housing, and in particular it can be fastened together.
  • the component is a valve, wherein the valve has a valve housing with a counter-fastening means and a movable valve plug which, in the closed state, contacts a completely circumferential inner undercut of the inner jacket surface of the heatable fluid line.
  • the contact of the valve plug with the inner surface of the heatable fluid line ensures the mobility of the valve plug at low temperatures or, if the fluid is frozen, restores it.
  • an electrochemical energy converter according to the invention with at least one electrically heatable fluid line as described above and/or a system as described above.
  • the electrochemical energy converter is preferably a fuel cell or an electrolyzer or a fuel cell system or an electrolyzer system.
  • Figure 1 is a schematic representation of an electrically heatable fluid line
  • Figure 2 is a schematic representation of an arrangement of the electrical contacts
  • Figure 3 is a schematic representation of a second arrangement of the electrical contacts
  • Figure 4 is a schematic representation of a first embodiment of the system
  • Figure 5 is a schematic representation of a second embodiment of the system.
  • Figure 6 is a schematic representation of an electrochemical energy converter.
  • Fig. 1 shows an electrically heatable fluid line 10 for a component 11 of an electrochemical energy converter (12), which is shown schematically in Fig. 5, made of a plastic 14 mixed with electrically conductive particles 13.
  • the electrically heatable fluid line 10 has an outer surface 15 and an inner surface 16 as well as at least one first electrical contact 17 and at least one second electrical contact 18.
  • the at least one first electrical contact 17 and the at least one second electrical contact 18 are arranged at a distance from one another on the outer surface 15.
  • the electrically conductive particles 13 are arranged in a section of length L in the axial direction of the electrically heatable fluid line 10 and in the radial direction over a circumference U of the electrically heatable fluid line 10.
  • the electrically conductive particles 13 are soot and/or graphite and/or metal powder and/or metal fibers and/or carbon nanotubes.
  • the at least one first electrical contact 17 and the at least one second electrical contact 18 are radially offset from each other on the outer surface 15 of the electrically heatable fluid line 10, here for example at an angle of 180° between the first and second electrical contacts 17, 18.
  • the two contacts 17, 18 are arranged offset from one another in the axial direction.
  • Both the at least one first electrical contact 17 and the at least one second electrical contact 18 have a contact surface 29, wherein the contact surface 29 is square and extends partially along the length L in the axial direction and along the circumference U in the radial direction of the outer casing surface 15.
  • the circumferential length of the contact surface 29 corresponds in each case to approximately 5% of the circumference U.
  • the at least one first electrical contact 17 and the at least one second electrical contact 18 are arranged axially and radially offset from one another.
  • the at least one first electrical contact 17 and/or the second at least one electrical contact 18 has a contact surface 29, wherein the contact surface 29 extends partially, in particular completely, along the length L in the axial direction and/or along the circumference U in the radial direction of the outer casing surface 15.
  • the at least one first electrical contact 17 extends along the entire circumference U and the second electrical contact 18 extends partially along the circumference U.
  • the circumferential extension of the second electrical contact 18 corresponds to approximately 10% of the circumference U of the electrically heatable fluid line 10.
  • the at least one first electrical contact 17 and/or the at least one second electrical contact 18 of the first embodiment of Fig. 1 and 2 have a contacting layer 19 for contacting, wherein the contacting layer 19 is preferably a conductive adhesive 30.
  • the contacting layer 19 is preferably a conductive adhesive 30.
  • metal particles 31 were sprayed on to contact the second electrical contact 18.
  • the at least one first electrical contact 17 is preferably an overmolded metallic cable 32.
  • the contacts 17, 18 are spring contacts 38.
  • At least one at least partially, in particular completely, circumferential External undercut 20 is provided on the outer surface 15 of the electrically heatable fluid line 10.
  • One of the external undercuts 20 is designed as a circumferential groove 33, which serves as a fastening means 24.
  • Another external undercut 20 serves as a section in which the electrically conductive particles 13 are distributed, and thus as a contact surface for the contact surfaces 29.
  • contact surfaces for seals 26 are provided on the external undercuts 20.
  • the external undercuts 20 either provide a positioning aid 34 themselves or enclose a positioning aid 34 between them.
  • a completely circumferential inner undercut 21 is provided on the inner surface 16. This is provided in a region of an end face 37 of the electrically heatable fluid line 10 in order to be able to accommodate a component 11, for example a valve 28 or a seal 26, as shown in Fig. 5.
  • the electrically heatable fluid line 10 according to Fig. 1 has an anti-twisting device 22 on the outer surface 15.
  • Fig. 4 and Fig. 5 each show a system for an electrochemical energy converter 12 with an electrically heatable fluid line 10 according to Figs. 1 to 3 and a component 11.
  • the component 11 and the electrically heatable fluid line 10 are in contact with each other, in particular in heat-transferring contact.
  • the outer undercut 20 of the outer surface 15 of the electrically heatable fluid line 10 can serve as a fastening means 24, as shown in Fig. 4.
  • the component 11 has a counter-fastening means 25.
  • the counter-fastening means 25 engages in the spring-elastic fastening means 24. This can be designed as a type of clip or snap-in connection.
  • the component 11 and the electrically heatable fluid line 10 are arranged in a housing 27.
  • the seals 26 are positioned on the grooves 33 or external undercuts 20 provided for this purpose and then pushed into the housing 27. It would also be conceivable to insert them into one half of the housing 27, with a second housing half then being placed on top and screwed in.
  • Positioning aids 34 are provided for positioning a component 11 on the electrically heatable fluid line 10 or the electrically heatable fluid line 10 in a housing 27.
  • the component 11 is a valve 28.
  • the valve 28 has a valve housing 35 with a counter-fastening means 25 and a movable valve plug 36 which, in the closed state, contacts a completely circumferential inner undercut 21 of the inner jacket surface 16 of the electrically heatable fluid line 10.
  • a metallic pin 40 is arranged on the electrically heatable fluid line 10 in such a way that the heat is transferred from the plastic 14 mixed with electrically conductive particles 13 into a drain pipe 41 of the fluid.
  • a metal pipe 39 is arranged along the inner surface 16 of the electrically heatable fluid line 10 and is connected to the plastic 14 mixed with electrically conductive particles 13 via the inner surface 16 in a heat-transferring manner.
  • the electrically conductive particles 13 are also distributed over the entire length of the electrically heatable fluid line 10 in order to also heat the undercut 21, which prevents, for example, the valve plug from freezing or freezing on.
  • Fig. 6 shows an electrochemical energy converter 12 with at least one electrically heatable fluid line 10 according to Figs. 1 to 3 and/or a system 23 according to Fig. 4.
  • the electrochemical energy converter 12 can be a fuel cell system or an electrolyzer system.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Pipe Accessories (AREA)
  • Resistance Heating (AREA)

Abstract

L'invention concerne une conduite de fluide pouvant être chauffée électriquement (10) pour un composant (11) d'un convertisseur d'énergie électrochimique, ladite conduite de fluide étant constituée d'une matière plastique (14) qui est mélangée avec des particules électriquement conductrices (13) et comprenant une surface latérale externe (15), une surface latérale interne (16), au moins un premier contact électrique (17), et au moins un second contact électrique (18). Le ou les premiers contacts électriques (17) et le ou les seconds contacts électriques (18) sont disposés de manière mutuellement espacée sur la surface latérale externe (15).
EP23805594.1A 2022-12-12 2023-11-14 Conduite de fluide pouvant être chauffée électriquement pour un composant d'un convertisseur d'énergie électrochimique, système pour un convertisseur d'énergie électrochimique et convertisseur d'énergie électrochimique Pending EP4635254A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022213474.5A DE102022213474A1 (de) 2022-12-12 2022-12-12 Elektrisch beheizbare Fluidleitung für ein Bauteil eines elektrochemischen Energiewandlers, System für einen elektrochemischen Energiewandler und elektrochemischer Energiewandler
PCT/EP2023/081721 WO2024125913A1 (fr) 2022-12-12 2023-11-14 Conduite de fluide pouvant être chauffée électriquement pour un composant d'un convertisseur d'énergie électrochimique, système pour un convertisseur d'énergie électrochimique et convertisseur d'énergie électrochimique

Publications (1)

Publication Number Publication Date
EP4635254A1 true EP4635254A1 (fr) 2025-10-22

Family

ID=88793095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23805594.1A Pending EP4635254A1 (fr) 2022-12-12 2023-11-14 Conduite de fluide pouvant être chauffée électriquement pour un composant d'un convertisseur d'énergie électrochimique, système pour un convertisseur d'énergie électrochimique et convertisseur d'énergie électrochimique

Country Status (6)

Country Link
EP (1) EP4635254A1 (fr)
JP (1) JP2025537417A (fr)
KR (1) KR20250123155A (fr)
CN (1) CN120345346A (fr)
DE (1) DE102022213474A1 (fr)
WO (1) WO2024125913A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675780A (en) * 1985-08-26 1987-06-23 The Gates Rubber Company Conductive fiber hose
CA3143764A1 (fr) * 2019-08-19 2021-02-25 Jack A. Shindle Soupape a gaz a commande thermique avec element chauffant en ceramique
DE102020200751A1 (de) * 2020-01-22 2021-07-22 Robert Bosch Gesellschaft mit beschränkter Haftung Gehäuseanordnung für vereisungsgefährdete Bauteilkomponenten oder Medien

Also Published As

Publication number Publication date
DE102022213474A1 (de) 2024-06-13
CN120345346A (zh) 2025-07-18
JP2025537417A (ja) 2025-11-14
KR20250123155A (ko) 2025-08-14
WO2024125913A1 (fr) 2024-06-20

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