WO2024028024A1 - Système d'alimentation en gaz sous pression, procédé de fonctionnement d'un système d'alimentation en gaz sous pression et dispositif électronique - Google Patents

Système d'alimentation en gaz sous pression, procédé de fonctionnement d'un système d'alimentation en gaz sous pression et dispositif électronique Download PDF

Info

Publication number
WO2024028024A1
WO2024028024A1 PCT/EP2023/068504 EP2023068504W WO2024028024A1 WO 2024028024 A1 WO2024028024 A1 WO 2024028024A1 EP 2023068504 W EP2023068504 W EP 2023068504W WO 2024028024 A1 WO2024028024 A1 WO 2024028024A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
compressed gas
supply system
gas supply
filling
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/EP2023/068504
Other languages
German (de)
English (en)
Inventor
Martin Katz
Jochen Wessner
Thomas Breitbach
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
Priority to EP23739218.8A priority Critical patent/EP4565816A1/fr
Priority to CN202380057396.0A priority patent/CN119630922A/zh
Publication of WO2024028024A1 publication Critical patent/WO2024028024A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • 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 compressed gas supply system with at least two compressed gas tanks that are connected to an anode path of a fuel cell system.
  • the invention further relates to a method for operating such a compressed gas supply system.
  • the invention also relates to an electronic device, preferably a control unit of a vehicle, in particular a fuel cell vehicle.
  • a method for operating a fuel cell system in which hydrogen is removed from a hydrogen storage device and fed via an anode path to an anode of a fuel cell stack and in which the mass flow of hydrogen is predetermined by a hydrogen metering valve arranged in the anode path , wherein the pressure is adjusted variably independently of the mass flow with the aid of a controllable pressure reducer, which is arranged upstream of the hydrogen metering valve in the anode path, the pressure depending on at least one current condition, in particular depending on the ambient temperature, the time of the last Refueling process, the fill level in the hydrogen storage, the calibrated pressure after the pressure reducer, the pressure in the anode, the pressure in a cathode and / or the hydrogen mass flow delivered.
  • a similar method for operating a fuel cell system is known from German published patent application DE 10 2020 210300 A1, whereby the hydrogen removed from the compressed gas container is thermally conditioned using a heat exchanger arranged
  • the object of the invention is to simplify or improve the operation and/or refueling of a compressed gas supply system with at least two compressed gas tanks that are connected to an anode path of a fuel cell system.
  • a compressed gas supply system with at least two compressed gas tanks, which are connected to an anode path of a fuel cell system, in that the compressed gas tanks are each provided with a valve device with a filling path in which an actively switchable filling valve is arranged, and with a relief path in which a actively switchable relief valve is arranged, is assigned.
  • the higher manufacturing costs are consciously accepted due to the required paths and actively switchable valves in the valve devices.
  • the actively switchable valves each of the compressed gas tanks can be filled and emptied individually. This provides enormous advantages, on the one hand, when refueling the compressed gas tanks in the compressed gas supply system at a corresponding filling station, for example a hydrogen filling station.
  • the compressed gas contained in the compressed gas tanks in particular hydrogen, can be transported between the individual compressed gas tanks as needed during operation of the compressed gas supply system, but also when a motor vehicle equipped with the compressed gas supply system is at a standstill. On the one hand, time can be saved when refueling.
  • individual compressed gas tanks can optionally be filled with more compressed gas than in conventional compressed gas supply systems.
  • individual compressed gas tanks can also be operated under a minimum limit pressure if necessary because individual compressed gas tanks can be quickly and easily disconnected and switched on from the compressed gas supply system for a certain period of time by closing the actively switchable valves.
  • a preferred embodiment of the compressed gas supply system is characterized in that the filling path and the relief path in the valve device are fluidically connected in parallel between a tank interior of the respective compressed gas tank and a branch. This makes it possible in a simple manner for each of the compressed gas tanks to be filled individually via the filling path with the actively switchable filling valve. Each of the compressed gas tanks can be relieved individually via the relief path with the switchable relief valve.
  • the compressed gas supply system can thus be operated more effectively than conventional compressed gas supply systems both when refueling and during operation under extreme environmental conditions, in particular ambient temperatures.
  • a further preferred embodiment of the compressed gas supply system is characterized in that the filling valve is arranged in the filling path between the branch and a check valve, which blocks in the direction of the filling valve, wherein in the relief path a check valve is arranged between the relief valve and the branch, which is in the direction of the relief valve blocks. This prevents malfunctions in the operation of the compressed gas supply system.
  • a further preferred embodiment of the compressed gas supply system is characterized in that the valve device with the filling path, the filling valve, the relief path, the relief valve and the branch are integrated into a valve block which is attached to the respective compressed gas tank.
  • the valve block includes other components, some of which are legally required, such as check valves, filters, sensors and, particularly advantageously, a pressure limiter.
  • the valve block is preferably attached to one end of the respective compressed gas tank.
  • the valve block is preferably manufactured independently of the compressed gas tank.
  • the valve block is screwed, for example, into an opening in the compressed gas tank.
  • a simple sealing ring for example an O-ring, can be used for the valve block and the compressed gas tank.
  • a further preferred embodiment of the compressed gas supply system is characterized in that the filling valve and the relief valve are designed as electromagnetically actuated 2/2-way valves.
  • the 2/2-way valves include a closed position and an open position in which the respective path is released. Both valves are preferably biased into their respective closed positions, in which a fluid passage through the respective path is interrupted.
  • the valves can be opened using electromagnetic control. This increases the safety in the operation of the compressed gas supply system.
  • a further preferred exemplary embodiment of the compressed gas supply system is characterized in that the filling valve and the relief valve are connected in terms of control to a control device which is connected in terms of sensors to a sensor device which comprises at least one sensor which provides fluidic operating data, such as a pressure, a temperature and/or a mass flow at the junction.
  • a control device which is connected in terms of sensors to a sensor device which comprises at least one sensor which provides fluidic operating data, such as a pressure, a temperature and/or a mass flow at the junction.
  • the above-mentioned task is alternatively or additionally achieved in that the filling valve and the relief valve are individually controlled with the control device depending on the fluidic operating data recorded with the sensor device.
  • the individual compressed gas tanks can be filled and emptied individually if necessary. This results, on the one hand, when refueling the compressed gas tanks Compressed gas supply system advantages. In addition, there are significant advantages in the operation of the compressed gas supply system.
  • a preferred exemplary embodiment of the method is characterized in that the filling valve and the relief valve are individually controlled with the control device in such a way that the compressed gas tanks are filled and/or emptied inconsistently.
  • the compressed gas supply system contains compressed gas tanks of different sizes and/or compressed gas tanks which, when installed, are exposed to different environmental conditions, in particular ambient temperatures. This can, for example, be due to the fact that individual compressed gas tanks are arranged further outside in or on the motor vehicle, which can lead to these compressed gas tanks heating up more quickly in strong sunlight than compressed gas tanks arranged further inside the vehicle.
  • the invention further relates to an electronic device, preferably a control unit of a vehicle, in particular a fuel cell vehicle, which is set up to carry out a method described above.
  • an electronic device preferably a control unit of a vehicle, in particular a fuel cell vehicle, which is set up to carry out a method described above.
  • the valve devices of the individual compressed gas tanks can be controlled individually. This enables convenient control of the fill level, temperature and/or pressure in the individual compressed gas tanks of the compressed gas supply system.
  • the invention further relates to a valve device, in particular a valve block, a filling valve, a relief valve, a sensor device, a sensor, a check valve, and/or a compressed gas tank for a previously described compressed gas supply system.
  • a valve device in particular a valve block, a filling valve, a relief valve, a sensor device, a sensor, a check valve, and/or a compressed gas tank for a previously described compressed gas supply system.
  • the parts mentioned can be traded separately.
  • Figure 1 shows a schematic representation of a compressed gas supply system with a total of five compressed gas tanks that are filled at a hydrogen filling station, each of the compressed gas tanks being equipped with a valve device that includes a filling path with an actively switchable filling valve and a relief path with an actively switchable relief valve; and
  • Figure 2 shows one of the valve devices from Figure 1 in the form of a fluid circuit diagram.
  • a hydrogen filling station 40 is indicated schematically in FIG. An arrow 38 indicates that a motor vehicle, not shown, with a fuel cell system 1 is refueled with hydrogen at the hydrogen filling station 40.
  • the fuel cell system 1 includes an unspecified fuel cell stack with fuel cells, each of which includes an anode to which hydrogen is supplied via an anode path 2.
  • the structure and function of such fuel cell systems are known.
  • a check valve 3, a filter 4, a pressure sensor 5, a temperature sensor 6, a temperature sensor 8, a further pressure sensor 9, a further filter 10, a pressure reducer 11, a further filter 12 and a check valve 13 are arranged in the anode path 2.
  • a fluidic branch 7 is provided between the temperature sensor 6 and the temperature sensor 8. At the fluidic branch 7, a collecting line 14 opens into the anode path 2.
  • a total of five compressed gas tanks 15, 16, 17, 18 and 19 of a compressed gas supply system 34 are fluidly connected to the collecting line 14.
  • Some of the compressed gas tanks 15 to 19 are of different sizes.
  • the compressed gas tanks 15 to 17 are approximately the same size, but larger than the two compressed gas tanks 18, 19, which are also of the same size.
  • the compressed gas tanks 15 to 19 are each equipped with a valve device 21 to 25 at their left-hand ends in FIG. At their right ends in Figure 1, the compressed gas tanks 15 to 19 are each equipped with a valve device 26 to 30.
  • the compressed gas tanks 15 to 19 are connected to a manifold 20 via the valve devices 26 to 30.
  • the collecting line 20 is used, for example, to manually empty the compressed gas tanks 15 to 19. Then the valve devices 26 to 30 are designed as tank drain valves.
  • valve devices 21 to 25 are all designed the same and will be described in detail below with reference to FIG. 2 using the valve device 21 at the left end of the compressed gas tank 15 in FIG.
  • the valve device 21 is connected to the collecting line 14 via a connecting line or connecting line 31.
  • a tank interior designated 64 of the compressed gas tank 15 can be connected to the manifold 14 and the anode path 2 via the valve device 21.
  • valve device 21 is integrated into a valve block 50, which, as indicated in Figure 2, is attached to an upper end in Figure 2 of the compressed gas tank 15, which is designed, for example, as a gas bottle.
  • the hydrogen filling station 40 is shown schematically with the tank path 38, which is symbolically indicated by an arrow.
  • the hydrogen filling station 40 can be connected to a control unit 43 via an infrared interface 41 and a control line 42.
  • the control unit 43 is assigned to the compressed gas supply system 34 and the fuel cell system 1 in the fuel cell vehicle, which is equipped with the fuel cell system 1 shown in FIG.
  • the hydrogen filling station 40 is indicated above in Figure 2.
  • an upper end of the compressed gas tank 15 designed as a gas bottle is indicated in Figure 2.
  • a tank interior 64 of the compressed gas tank 15 is connected to an emptying path 61, a filling path 65 and a relief path 70.
  • the three paths 61, 65 and 70 extend through the valve block 50.
  • the connecting line 31 is connected to the valve block 50 at a connection point 52.
  • a connecting line 51 extends from the connection point 52 to a fluidic branch 53 in the valve block
  • the connecting line 51 is preferably designed as a connecting channel in the valve block 50.
  • all fluidic connections are referred to below as lines.
  • all lines are preferably designed as bores.
  • An optional hydraulic resistance 56 in the form of a throttle is provided in the connecting line 51.
  • a filter 57 is arranged between the hydraulic resistance 56 and the branch 53.
  • the emptying path 61 starts from the branch 53 and flows into the tank interior 64.
  • Two valves 62 and 63 are connected in series in the emptying path 61.
  • the valve 62 is a manual drain valve or drain valve.
  • the compressed gas tank 15 can be emptied manually via the valve 62 if necessary, for example when decommissioning at the end of its life.
  • the valve 63 is a thermally activated pressure relief valve.
  • the tank interior 64 can be relieved via the valve 63.
  • a manually operable closing valve 58 is arranged between the branch 53 and a branch 54. The manually operable closing valve 58 serves to securely close the compressed gas tank 15, for example during repairs.
  • a sensor line 59 extends from the branch 54, via which operating data, such as pressure, temperature and/or a fluid mass flow, is recorded during operation of the pressure supply system at the branch 54 in the valve block 50 with the aid of a sensor device 60.
  • the check valve 67 opens towards the tank interior 64 and closes in the direction of the filling valve 66.
  • the filling path 65 runs from the branch 55 parallel to the relief path 70.
  • a check valve 71 In the relief path 70, a check valve 71, a relief valve 72, a filter 73 and a flow limiter 74 are connected in series.
  • the check valve 71 blocks in the direction of the relief valve 72 and opens in the direction of the branch 55.
  • the flow limiter 74 serves to limit the leakage in the event of an undesirable line break.
  • the filling valve 66 and the relief valve 72 are designed as 2/2-way valves with an open position and a closed position.
  • the two valves 66 and 72 are operated electromagnetically and are connected to the control unit 43 in terms of control. Both valves 66 and 72 are biased into their respective closed positions, as indicated by spring symbols.
  • the sensor device 60 is also connected to the control unit 43 in terms of sensors or controls. In Figure 2, control lines or signal lines or sensor lines 76 are indicated by dashed lines.
  • the control device 43 is equipped with software with which the signals from the sensors detected by the sensor device 60 during operation of the compressed gas supply system 34 are processed. With the sensors of the sensor device 60, for example, the temperature, the pressure, the mass flow, the direction of flow and possibly other measured variables at the branch 54 in the valve block 50 are recorded.
  • the compressed gas tanks 15 to 19 are controlled individually via the control device 43 in order to fill and/or empty the compressed gas tanks 15 to 19 inconsistently.
  • the filling valve 66 and the relief valve 72 are actively controlled via the control unit 43.
  • individual compressed gas tanks 15 to 19 can be emptied below a permissible operating system limit pressure, while at least one of the compressed gas tanks 15 to 19 remains pressurized to at least the permissible operating system limit pressure.
  • a defined amount of compressed gas, in particular hydrogen can be kept in the compressed gas tank that has been emptied below the permissible operating system limit pressure, which can then be used a system start for conditioning the fuel cell system 1 can be used.
  • the active release of the filling path 65 with the aid of the control device 43 via the filling valve 66 enables operation of the compressed gas supply system 34 with the fuel cell system 1 even at different internal tank pressures.
  • the switching valves 66 and 72 are individually controlled depending on the operating mode of a vehicle equipped with the fuel cell system 1 and the compressed gas supply system 34, for example ferry operation, parking, refueling.
  • a targeted temporal regulation or control of the pressures and/or the temperatures of the individual compressed gas tanks 15 to 19 advantageously enables the pressure to be reduced below the system-related limit pressure. This reduction can be particularly advantageous when starting the system when the system is pre-filled from a compressed gas tank at low pressure, i.e. flooded with hydrogen or conditioned for operation with hydrogen. This conditioning can take place down to a very low residual pressure. This increases the range of the system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un système d'alimentation en gaz sous pression (34) comprenant au moins deux réservoirs de gaz sous pression (15, 16, 17, 18, 19) raccordés à un chemin d'anode (2) d'un système de pile à combustible (1). Des réservoirs de gaz sous pression (15, 16, 17, 18) sont associés à un dispositif de soupape respectif (21) ayant un chemin de remplissage comprenant une soupape de remplissage à commutation active, et un chemin de libération comprenant une soupape de libération à commutation active, ce qui permet de simplifier ou d'améliorer le fonctionnement du système d'alimentation en gaz sous pression (34).
PCT/EP2023/068504 2022-08-03 2023-07-05 Système d'alimentation en gaz sous pression, procédé de fonctionnement d'un système d'alimentation en gaz sous pression et dispositif électronique Ceased WO2024028024A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP23739218.8A EP4565816A1 (fr) 2022-08-03 2023-07-05 Système d'alimentation en gaz sous pression, procédé de fonctionnement d'un système d'alimentation en gaz sous pression et dispositif électronique
CN202380057396.0A CN119630922A (zh) 2022-08-03 2023-07-05 压缩气体供给系统、用于运行压缩气体供给系统的方法及电子装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022208064.5 2022-08-03
DE102022208064.5A DE102022208064A1 (de) 2022-08-03 2022-08-03 Druckgasversorgungssystem, Verfahren zum Betreiben eines Druckgasversorgungssystems und elektronische Vorrichtung

Publications (1)

Publication Number Publication Date
WO2024028024A1 true WO2024028024A1 (fr) 2024-02-08

Family

ID=87196506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/068504 Ceased WO2024028024A1 (fr) 2022-08-03 2023-07-05 Système d'alimentation en gaz sous pression, procédé de fonctionnement d'un système d'alimentation en gaz sous pression et dispositif électronique

Country Status (4)

Country Link
EP (1) EP4565816A1 (fr)
CN (1) CN119630922A (fr)
DE (1) DE102022208064A1 (fr)
WO (1) WO2024028024A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100320224A1 (en) * 2009-02-10 2010-12-23 Neogas Inc. System for Avoiding Excessive Pressure while Discharging Compressed Gas Cylinders
DE102016218691A1 (de) * 2015-12-02 2017-06-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Freigeben einer Druckentlastung eines Druckbehälters in einem Fahrzeug
DE102017213526A1 (de) * 2017-08-03 2019-02-07 Bayerische Motoren Werke Aktiengesellschaft Druckbehältersystem mit mehreren Druckbehältern und einem Druckwandler
DE102019211422A1 (de) * 2019-07-31 2021-02-04 Robert Bosch Gmbh Tanksystem
DE102020206230A1 (de) 2020-05-18 2021-11-18 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Konditionieren einer Brennstoffzelle sowie Brennstoffzellenfahrzeug
DE102020210300A1 (de) 2020-08-13 2022-02-17 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines Brennstoffzellensystems, Brennstoffzellensystem
DE102020212077A1 (de) 2020-09-25 2022-03-31 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines Brennstoffzellensystems, Steuergerät

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100320224A1 (en) * 2009-02-10 2010-12-23 Neogas Inc. System for Avoiding Excessive Pressure while Discharging Compressed Gas Cylinders
DE102016218691A1 (de) * 2015-12-02 2017-06-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Freigeben einer Druckentlastung eines Druckbehälters in einem Fahrzeug
DE102017213526A1 (de) * 2017-08-03 2019-02-07 Bayerische Motoren Werke Aktiengesellschaft Druckbehältersystem mit mehreren Druckbehältern und einem Druckwandler
DE102019211422A1 (de) * 2019-07-31 2021-02-04 Robert Bosch Gmbh Tanksystem
DE102020206230A1 (de) 2020-05-18 2021-11-18 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Konditionieren einer Brennstoffzelle sowie Brennstoffzellenfahrzeug
DE102020210300A1 (de) 2020-08-13 2022-02-17 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines Brennstoffzellensystems, Brennstoffzellensystem
DE102020212077A1 (de) 2020-09-25 2022-03-31 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines Brennstoffzellensystems, Steuergerät

Also Published As

Publication number Publication date
DE102022208064A1 (de) 2024-02-08
CN119630922A (zh) 2025-03-14
EP4565816A1 (fr) 2025-06-11

Similar Documents

Publication Publication Date Title
EP2828569B1 (fr) Procédé destiné à alimenter un groupe d'entraînement
EP2445736B1 (fr) Systeme d'alimentation en air comprime pour un circuit consommateur d'air comprime, notamment pour un systeme de suspension pneumatique
DE102017220337B4 (de) Verfahren zum steuern eines am brennstoffzellenfahrzeug angebrachten wasserstoffabsperrventils
DE60304660T2 (de) Elektrisch kontrollierte Abschaltung der Dampfentlüftung
DE102009049687A1 (de) Gasbehälteranordnung und Verfahren zum Betreiben einer Gasbehälteranordnung
DE102017213521A1 (de) Ventil-Vorrichtung für einen Speicherbehälter
WO2018033295A1 (fr) Procédé pour faire fonctionner une soupape d'un système de récipient sous pression et système de récipient sous pression
DE102009009901A1 (de) Verfahren zur Ansteuerung eines Tankentlüftungssystems eines Kraftfahrzeugs
DE102017213523A1 (de) Druckbehältersystem mit einer Druckausgleichsvorrichtung
DE102022131274A1 (de) Wasserstoffversorgungssystem für ein Kraftfahrzeug
EP1651491B1 (fr) Dispositif de réalimentation de circuits de freinage après une consommation importante d'air comprimé et dispositif pour mettre en oeuvre ce procédé
DE102006023681A1 (de) Verfahren zum Steuern beziehungsweise Regeln des Luftdrucks in einer Druckluftversorgungseinrichtung
WO2024028019A1 (fr) Procédé de fonctionnement et/ou de remplissage d'un système d'alimentation en gaz sous pression et dispositif électronique
WO2024028024A1 (fr) Système d'alimentation en gaz sous pression, procédé de fonctionnement d'un système d'alimentation en gaz sous pression et dispositif électronique
WO2017148604A1 (fr) Procédé pour refroidir un premier contenant sous pression cryogène
DE112019004631B4 (de) Entlüftungsanordnung für ein Fahrzeug mit Flüssigerdgaskryotanks
DE102024116968A1 (de) On-Tank Valve
DE102012218856A1 (de) Kraftstoffspeicheranlage eines Kraftfahrzeugs
EP0723628A1 (fr) Procede et dispositif de controle du systeme de mise a l'air libre du reservoir d'un vehicule a moteur
DE102022212016A1 (de) Verfahren zum Betreiben eines Brenngastanksystems, Steuergerät
DE102014210242B4 (de) Drucktankanordnung
DE102006034761B3 (de) Druckluftaufbereitungseinrichtung zum Versorgen einer Kraftfahrzeugbremsanlage mit Druckluft
DE102010048844A1 (de) Kraftstofftank mit einem Tankeinlassventil
EP4459172B1 (fr) Remorque de transport de gaz, système de ravitaillement en gaz et procédé de ravitaillement en carburant associé
EP1846690B1 (fr) Vehicule automobile fonctionnant avec du carburant stocke cryogeniquement et muni d'un systeme a air comprime

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: 23739218

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202380057396.0

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2023739218

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2023739218

Country of ref document: EP

Effective date: 20250303

WWP Wipo information: published in national office

Ref document number: 202380057396.0

Country of ref document: CN

WWP Wipo information: published in national office

Ref document number: 2023739218

Country of ref document: EP