WO2025166395A1 - Kontrolle einer betriebsfluid-versorgungsströmung für verzweigungsabschnitte eines strömungspfads eines brennstoffzellensystems - Google Patents
Kontrolle einer betriebsfluid-versorgungsströmung für verzweigungsabschnitte eines strömungspfads eines brennstoffzellensystemsInfo
- Publication number
- WO2025166395A1 WO2025166395A1 PCT/AT2025/060043 AT2025060043W WO2025166395A1 WO 2025166395 A1 WO2025166395 A1 WO 2025166395A1 AT 2025060043 W AT2025060043 W AT 2025060043W WO 2025166395 A1 WO2025166395 A1 WO 2025166395A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- operating fluid
- supply flow
- flow
- actual
- control
- 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
Links
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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04425—Pressure; Ambient pressure; Flow at auxiliary devices, e.g. reformers, compressors, burners
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04395—Pressure; Ambient pressure; Flow of cathode reactants at the inlet or inside the fuel cell
Definitions
- the reactants must also be continuously supplied in sufficient quantities, since fuel cells are primarily operated continuously.
- the reactant supply source is often regulated, thus adjusting the mass flow through the lines.
- oxygen is used as a reactant in fuel cells, which is supplied as an air stream from a blower to an air-side line system of the fuel cell system.
- a target total air mass flow is first calculated from a specified air requirement of the fuel cell. Based on this calculated target total air mass flow, a target speed for the fan is then determined and adjusted accordingly. Control of the total air mass flow is then enabled by comparing the target total air mass flow with the actual total air mass flow measured by a flow sensor.
- a flow rate of at least one actuator is detected.
- the actuator is arranged downstream of the operating fluid delivery device in one, in particular in each, of the branching sections.
- the actuator is further controllable with regard to its flow rate in order to control an actual branch supply flow through the branching section according to a desired branch supply flow.
- the actual supply flow is controlled.
- the actual supply flow from the operating fluid delivery device is to be provided to the branching sections as the operating fluid supply flow.
- the actual supply flow is controlled to the determined target supply flow.
- a method in which an operating fluid supply flow, from which branch sections of a flow path are supplied with operating fluid, is controlled on the basis of passivations of at least one actuator arranged in one of the branch sections.
- a “flow” can be understood in particular as the flow of a substance.
- the flow can be The flow can be defined as the amount of substance passing through a cross-sectional area per unit of time.
- flow can be defined as a mass flow (e.g., kg/s) and/or volume flow (e.g., ml/s) through a pipe or channel.
- mass flow e.g., kg/s
- volume flow e.g., ml/s
- the operating fluid supply flow is intended for supplying branching sections of a flow path of a fuel cell system with an operating fluid.
- the term "supply” can be understood in particular as providing and/or supplying.
- An "operating fluid” can be understood in particular as a fluid or a gaseous substance.
- the substance can preferably be at least partially gaseous during use in operation.
- the substance can preferably be used in the operation or for the operation of a fuel cell system.
- the operating fluid can, for example, be a reactant such as air or fuel.
- a "branching section” can, for example, be understood as a line section that branches off from a main line carrying the operating fluid at a point that is downstream of the inlet with respect to the flow direction of the operating fluid, and that provides at least one alternative flow path in the main line.
- the term "flow path" can be understood in particular as the totality of possible flow paths for the operating fluid, such as a line system.
- the flow path can preferably be, for example, a fluidic connection between a flow source, such as an air blower, and at least one flow sink, such as the air side of a fuel cell, for the operating fluid, such as air.
- the operating fluid can be provided to the flow path by an operating fluid conveying device with an actual supply flow.
- an "operating fluid delivery device” can be understood, in particular, as a device for providing operating fluid as a flow.
- the operating fluid delivery device can be a blower, a pump, and/or a pressurized tank, and preferably comprise several of these components.
- a transmittance of at least one actuator is detected.
- a "permeability" can be understood, for example, as the extent of permeability of an actuator to the operating fluid.
- the permeability can, for example, indicate a flow rate, a flow area, or a valve opening.
- the permeability can be specified as a relative value in relation to a state of unrestricted flow, for example, as a percentage.
- the actuator can, for example, be a valve or a throttle.
- "Detecting" within the scope of the invention can be understood, in particular, as measuring, recording, and/or recording.
- controllability of the actuator with respect to its transmittance can be understood in particular in such a way that, for example, the transmittance of the actuator can be variably adjusted within a range between a fully open and fully closed state. This allows the actuator to be variably controlled with respect to its transmittance.
- a purely binary transmittance control can also be encompassed by the invention. With binary control of the transmittance, for example, the actuator has only two opening states: an open and a closed state.
- the flow rates of the actuators can thus assume the function of an indicator for the demand for operating fluid, and a changed demand no longer has to be determined from the comparison of target and actual values for the total mass flow of the operating fluid. Furthermore, the control of the operating fluid supply flow can be carried out in a stable manner, since it is changed by adjusting the amount of operating fluid provided by the operating fluid delivery device and not by the actuators, which only influence the branch supply flow associated with them.
- the detected transmittance can comprise an actual transmittance of the at least one actuator.
- the detected transmittance can comprise a desired transmittance of the at least one actuator.
- the control of the operating fluid supply flow can be based on an evaluation of the actual situation of a branching path. If, on the other hand, the determination of the target operating fluid supply flow is based on a target flow rate, the control of the operating fluid supply flow can be based on an evaluation of a desired situation for the branching path.
- a further advantage is that, for example, only binary switchable actuators can be used, since the target operating fluid supply flow is calculated from a The flow rate can be determined. If the determination of the target operating fluid supply flow is based on both the actual flow rate and the target flow rate, a changing operating fluid demand can be accurately and quickly recorded using a target-actual comparison, since even minor changes can be detected.
- the actual branch supply flow of the operating fluid can be detected through a branching section.
- a flow sensor for detection can preferably be arranged in the branching section.
- a target flow rate for the at least one actuator can be determined based on the detected actual branch supply flow and a preferably predetermined target branch supply flow. At least the determined target flow rate of the at least one actuator can preferably be detected as the detected flow rate.
- the actual supply flow can be controlled based on the actual operating fluid demand for a branch section. It is also possible to control the operating fluid flow through the individual branch section without controlling the flow rate of the actuator itself.
- the determined target transmittance can be compared with a transmittance limit range.
- the transmittance limit range can preferably have an upper transmittance limit and/or a lower transmittance limit.
- a limit of the transmittance limit range i.e. preferably the upper transmittance limit or the lower transmittance limit, can be defined as the target transmittance to limit the actual transmittance if the determined target transmittance is outside the transmittance limit.
- the upper transmittance limit can preferably be at least 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, or 100% of the maximum transmittance of the actuator.
- the lower transmittance limit may be at least 0%, 5%, 10%, 15%, 20%, 25%, 30%, 35% or 40% of the maximum transmittance of the actuator.
- the target supply flow can be determined on the basis of the determined target transmittance and not on the basis of the limited transmittance.
- the target supply flow can be determined using a control function.
- the control function can have at least the detected permeability as an input parameter.
- the control function can, for example, have a linear, polynomial, logarithmic, and/or exponential function.
- the target supply flow can be determined precisely and flexibly using functional equations, since the control function can mathematically simulate processes or transfer functions of certain parameters.
- detecting the permeability may involve detecting the permeability of at least two actuators, wherein the actuators are arranged downstream of the operating fluid delivery device in mutually different branching sections of the flow path and are each controllable with respect to their permeability.
- each branching section can be included, for example, in the determination of the target supply flow.
- determining the target supply flow may involve determining a maximum from preferably all detected flow rates.
- the maximum may be determined from the actual flow rates or target flow rates detected for each of the control elements. The maximum thus determined can be defined as the transmittance used to determine the target supply flow.
- the detected flow rate can comprise an actual flow rate and a target flow rate for each of the at least two actuators.
- Determining the target supply flow can comprise determining the maximum of the detected actual flow rates for each actuator and determining the maximum of the detected target flow rates for each actuator.
- the maxima thus determined can be defined as the flow rate used to determine the target supply flow.
- the target supply flow can preferably be determined using a control function that has at least the two determined maxima as input parameters.
- the target supply flow based on a flow ratio between an actual flow rate and a target flow rate of the at least one actuator.
- the detected flow rate can have an actual flow rate and a target flow rate for at least one actuator.
- a flow ratio between the actual flow rate and the target flow rate can be determined.
- the flow ratio can be formed from the actual flow rate and the target flow rate of the same actuator or different actuators.
- the determined flow rate can be compared with a flow rate limit value.
- the target supply flow can be determined according to a control function which has at least the determined flow rate as an input parameter.
- the actual supply flow can be monitored to the target supply flow until the flow ratio no longer exceeds the flow rate limit value.
- controlling the actual supply flow can involve converting the determined target supply flow into a control signal KS.
- the control signal can preferably correspond to a target control parameter of the operating fluid delivery device.
- the target control parameter can preferably include a target delivery speed, a target delivery pressure, an electrical input current, and/or an electrical input voltage.
- the operating fluid delivery device can be operated in response to the control signal with the target control parameter.
- controlling the actual supply flow may comprise adjusting a flow rate of an operating fluid flow by means of a control section of the operating fluid delivery device, wherein the control section is arranged to discharge the operating fluid at the actual supply flow.
- the flow rate can preferably be adjusted by adjusting an opening cross-section of the control section.
- a "control signal” can be understood as transmittable information with adaptable content that enables control of an actuator.
- the control signal can be a control signal or control command.
- a further aspect of the invention relates to a computer program product comprising instructions which, when the program is executed by a computer, cause the computer to carry out the method described above.
- a further aspect of the invention relates to a control device for controlling an operating fluid supply flow for supplying branching sections of a flow path of a fuel cell system with an operating fluid, which can be provided to the flow path by an operating fluid delivery device with an actual supply flow.
- the control device comprises a detection module for detecting a permeability of at least one actuator, which is arranged downstream of the operating fluid delivery device in one of the branching sections and which is controllable with respect to its permeability.
- the control device further comprises a determination module for Determining a target supply flow with which the operating fluid is to be provided to the branching sections.
- the determination module is configured to determine the target supply flow based on the detected flow rate of the at least one actuator.
- the control device has a control module configured to output a control signal to control the actual supply flow as the operating fluid supply flow to the determined target supply flow.
- a further aspect of the invention relates to a control system for controlling an operating fluid supply flow for supplying branching sections of a flow path of a fuel cell system with an operating fluid.
- the control system comprises an operating fluid delivery device for providing the operating fluid to the flow path with an actual supply flow.
- the control system comprises at least one actuator, which is arranged downstream of the operating fluid delivery device in one of the branching sections and whose permeability is controllable in order to control an actual branch supply flow through the branching section in accordance with a desired branch supply flow.
- the control system further comprises the aforementioned control device, which is coupled to the operating fluid delivery device and the at least one actuator.
- the coupling with the control device can preferably be mechanical, signaling and/or functional.
- the actuator can be, for example, a controllable valve.
- the flow path can, for example, have a plurality of branching sections that are fluidically parallel to one another. In some or all of the branching sections, at least one actuator can preferably be provided. Furthermore, preferably, for example, at least one of the branching sections can have at least one flow sensor arranged upstream of the actuator for detecting the actual branch supply flow of the operating fluid through the associated branching section.
- the flow path can, for example, be at least a section of an air supply path that extends to an air side of a fuel cell stack.
- the operating fluid can, for example, Ambient air.
- the operating fluid delivery device can, for example, be a controllable air blower.
- a “flow sensor” can be understood in particular as an instrument for detecting a mass or volume flow.
- a further aspect of the invention relates to a fuel cell system.
- the fuel cell system can preferably be a PEM, SOFC, or SOEC fuel cell system.
- the fuel cell system has at least one fuel cell stack with an air side and a fuel side. Furthermore, the fuel cell system has at least one flow path with branching sections. An inflow of operating fluid for operating the fuel cell stack is provided through the flow path of the air side or the fuel side.
- the fuel cell system further has the aforementioned control system.
- the control system is arranged in the fuel cell system to control an operating fluid supply flow in order to supply the branching sections with operating fluid.
- Fig. 1 shows an embodiment of a control device, control system and fuel cell system according to the invention
- Fig. 2 shows a further embodiment of a control device according to the invention and an embodiment of a method according to the invention
- FIG. 3 shows a further embodiment of a control system and fuel cell system according to the invention.
- Figures 1 to 3 show different aspects and embodiments of the invention.
- Figures 1 and 3 show, for example, a control system 200 according to the invention in a fuel cell system 300.
- the control system 200 is provided for controlling a flow of an operating fluid to branching sections 211, 212, 213, 214 of a flow path 210. Since the operating fluid flow supplies the branching sections 211, 212, 213, 214 with operating fluid, this flow is referred to as the operating fluid supply flow.
- the flow path 210 is illustrated by way of example with three branching sections 211, 212, 213, and a further branching section 214 is indicated. Of course, the flow path 210 can also have only two or more than the four branching sections 211, 212, 213, 214 shown.
- Figures 1 and 3 illustrate the operation of the control system 200 based on a configuration of the flow path 210 as an air path of the fuel cell system 300.
- air as the operating fluid, flows into the flow path 210 via an air inlet 201.
- the flow path 210 can, for example, be a conduit system.
- a conduit section can extend from the air inlet 201 to a branching point 219, from which several conduits extend as the branching sections 211, 212, 213, 214, each forming separate flow paths for the operating fluid.
- the control system 200 has an operating fluid delivery device 220, from which the operating fluid is delivered to the line path 210 at an actual supply flow IVS.
- the operating fluid delivery device 220 is illustrated, by way of example, as an air blower.
- the operating fluid delivery device 220 is preferably controllable, in particular with regard to the available operating fluid supply flow.
- the branching sections 211, 212, 213 preferably each have an actuator 230.
- the actuators 230 are controllable with regard to their transmittance.
- the actuator 230 can be designed to carry out control movements, for example, to enable the detection and output of its currently set actual transmittance IDG.
- the actuator 230 can adjust the transmittance to a target value, preferably based on a control specification.
- the flow rate SDG can be adjusted.
- the flow of the operating fluid through the respective branching section 211, 212, 213 can be controlled. This is illustrated in Figure 1 by specifying the actual branch supply flows IZVS, which can be detected, for example, by flow sensors 240.
- the flow sensors 240 can be arranged between the operating fluid delivery device 220 and the respective actuator 230.
- the actuators 230 can preferably be control valves.
- the control system 200 further comprises a control device 100, which is coupled to the operating fluid delivery device 220 and the at least one actuator 230.
- the coupling is indicated, for example, by signal connections, which can be provided wirelessly or wired, for example.
- the coupling can enable an exchange of information between the components of the control system 200 and the control device 100.
- the control device 100 is also an independent component of the invention, but will be explained in more detail below in the context of the fuel cell system 300 and the control system 200 for clarity.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Flow Control (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112025000140.0T DE112025000140A5 (de) | 2024-02-09 | 2025-02-07 | Kontrolle einer Betriebsfluid-Versorgungsströmung für Verzweigungsabschnitte eines Strömungspfads eines Brennstoffzellensystems |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50104/2024 | 2024-02-09 | ||
| ATA50104/2024A AT527816B1 (de) | 2024-02-09 | 2024-02-09 | Kontrolle einer Betriebsfluid-Versorgungsströmung für Verzweigungsabschnitte eines Strömungspfads eines Brennstoffzellensystems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2025166395A1 true WO2025166395A1 (de) | 2025-08-14 |
Family
ID=95065526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT2025/060043 Pending WO2025166395A1 (de) | 2024-02-09 | 2025-02-07 | Kontrolle einer betriebsfluid-versorgungsströmung für verzweigungsabschnitte eines strömungspfads eines brennstoffzellensystems |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT527816B1 (de) |
| DE (1) | DE112025000140A5 (de) |
| WO (1) | WO2025166395A1 (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190088962A1 (en) * | 2016-03-22 | 2019-03-21 | Nissan Motor Co., Ltd. | Fuel cell system and method for controlling fuel cell system |
| US20210226238A1 (en) * | 2020-01-16 | 2021-07-22 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130022634A (ko) * | 2011-08-25 | 2013-03-07 | 주식회사 효성 | 연료전지 시스템의 기체연료 공급장치 및 이를 포함하는 연료전지 시스템 |
| JP6172115B2 (ja) * | 2014-10-29 | 2017-08-02 | トヨタ自動車株式会社 | 燃料電池システム及び燃料電池システムの制御方法 |
-
2024
- 2024-02-09 AT ATA50104/2024A patent/AT527816B1/de active
-
2025
- 2025-02-07 DE DE112025000140.0T patent/DE112025000140A5/de active Pending
- 2025-02-07 WO PCT/AT2025/060043 patent/WO2025166395A1/de active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190088962A1 (en) * | 2016-03-22 | 2019-03-21 | Nissan Motor Co., Ltd. | Fuel cell system and method for controlling fuel cell system |
| US20210226238A1 (en) * | 2020-01-16 | 2021-07-22 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112025000140A5 (de) | 2026-07-16 |
| AT527816A4 (de) | 2025-07-15 |
| AT527816B1 (de) | 2025-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2427230C3 (de) | System zum Mischen von Gasen | |
| EP0039932A2 (de) | Gasverhältnisregelvorrichtung für Narkosegeräte | |
| EP1882882A2 (de) | Volumenstromregler | |
| DE102010054448A1 (de) | Verfahren und Vorrichtung zur Steuerung einer Flugzeugklimaanlage | |
| DE102017011755A1 (de) | Temperaturregelungssystem für eine werkzeugmaschine | |
| EP1702842B1 (de) | Luftfahrzeug mit einer Brennstoffzelle | |
| AT519880B1 (de) | Druckregeleinrichtung für ein Kraftstoffverbrauchsmesssystem und Kraftstoffverbrauchsmesssystem | |
| EP1550925B1 (de) | Temperaturregelung | |
| DE102007059847A1 (de) | Feldgerät zur Prozessinstrumentierung | |
| WO2008036993A2 (de) | Verfahren und vorrichtung zur versorgung einer verbrennungsmaschine mit konditioniertem verbrennungsgas | |
| AT523401B1 (de) | Messsystem zur Messung eines Durchflusses | |
| AT527816B1 (de) | Kontrolle einer Betriebsfluid-Versorgungsströmung für Verzweigungsabschnitte eines Strömungspfads eines Brennstoffzellensystems | |
| AT524781B1 (de) | Konditioniervorrichtung für einen Prüfstand | |
| DE102019117378A1 (de) | Verfahren und System zu Regelung eines Medienparameters des Mediums auf der Sekundärseite eines Wärmeübertragers | |
| AT524116A4 (de) | Konditioniersystem für einen Prüfstand | |
| DE102017130981B3 (de) | System zum Bereitstellen eines Aerosols | |
| WO2023099262A1 (de) | Verfahren zur kalibrierung einer vorrichtung zur regulierung der rückströmung in einem brennstoffzellensystem | |
| EP2864752A1 (de) | System für die messung von partikelemissionen an flugzeugtriebwerken in prüfständen | |
| EP2468391B1 (de) | Vorrichtung zum Ermitteln der Zumischrate eines Zumischers in einer Löschleitung | |
| EP2686645B1 (de) | Verfahren, verwaltungsvorrichtung und erdgasspeichersystem für die automatisierte verwaltung mehrerer durchflussvorrichtungen | |
| AT509212B1 (de) | Vorrichtung und ein verfahren zur regelung des brenngas-luft-verhältnisses eines brenngasbetriebenen brenners | |
| DE102022122028A1 (de) | Gasmischvorrichtung zum kontrollierten Mischen von zwei unterschiedlichen Gasen | |
| DE102023107631B3 (de) | Porometer mit einer Regelvorrichtung zur Regelung eines Drucks eines Fluids | |
| DE102023005409B4 (de) | Regelvorrichtung zur Regelung eines Drucks eines Fluids | |
| DE2305764C3 (de) | Gasgemischdosiervorrichtung für einen mit Druckluft, Brenngas und Sauerstoff betriebenen Brenner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 25713154 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 112025000140 Country of ref document: DE |
|
| REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112025000140 Country of ref document: DE |
|
| WWP | Wipo information: published in national office |
Ref document number: 112025000140 Country of ref document: DE |