EP3421866A1 - Gas-absperrhahnblock mit elektronischer anzeigevorrichtung für gasbehälter mit einem elastischen verbindungselement - Google Patents

Gas-absperrhahnblock mit elektronischer anzeigevorrichtung für gasbehälter mit einem elastischen verbindungselement Download PDF

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Publication number
EP3421866A1
EP3421866A1 EP18176805.2A EP18176805A EP3421866A1 EP 3421866 A1 EP3421866 A1 EP 3421866A1 EP 18176805 A EP18176805 A EP 18176805A EP 3421866 A1 EP3421866 A1 EP 3421866A1
Authority
EP
European Patent Office
Prior art keywords
valve block
gas
electronic
connecting element
block according
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.)
Withdrawn
Application number
EP18176805.2A
Other languages
English (en)
French (fr)
Inventor
Pauline Giard
Benjamin Dutheil
Philippe Rudnianyn
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP3421866A1 publication Critical patent/EP3421866A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308—Protective caps
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0382—Constructional details of valves, regulators
    • F17C2205/0385—Constructional details of valves, regulators in blocks or units
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/011—Oxygen
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/016—Noble gases (Ar, Kr, Xe)
    • F17C2221/017—Helium
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0473—Time or time periods
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0491—Parameters measured at or inside the vessel
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0495—Indicating or measuring characterised by the location the indicated parameter is a converted measured parameter
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • 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
    • F17C2270/00—Applications
    • F17C2270/02—Applications for medical applications
    • F17C2270/025—Breathing
    • 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
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles

Definitions

  • the present invention relates to a gas valve valve block electronic device-indicator, such as a digital pressure gauge, and a bottle of pressurized fluid equipped with such a valve block.
  • valve block also called a "tap”
  • electronic indicator device designed to provide the user with a indication of one or more physical data relating to the contents of the fluid container, in particular the gas pressure.
  • the electronic indicator device may be a digital electronic pressure gauge comprising a pressure sensor and an electronic logic which calculates and displays pressure, fluid quantity and / or autonomy data, ie a estimated duration of use.
  • EP-A-2029972 proposes a device indicating a physical quantity for a bottle of pressurized gas, comprising a housing to which is connected a sensor for measuring the physical quantity, such as a pressure sensor.
  • the box comprises an electronic card cooperating with the measurement sensor and connected to a display of the value representative of the physical quantity measured by the sensor.
  • US-2015/0048955 teaches a gas cylinder equipped with a gas valve equipped with an electronic manometer comprising a rigid plastic case and a digital display screen.
  • the housing of the manometer further comprises a nozzle for fixing it on the tap.
  • WO-2005/93377 teaches a module for measuring the autonomy of a gas contained in a tank, such as a pressurized gas cylinder. It comprises a pressure sensor connected to calculation means for determining, from the measured pressure data, a running autonomy information of the reservoir. Display means for displaying the autonomy information.
  • This type of known indicator device is often compact and can therefore easily be positioned on the valve block so as not to be directly exposed to shocks, in case of drop of the bottle. Its protection can be enhanced by a protective hood or "hat". Moreover, the strength of the indicator device can be enhanced by the use of resin or the like applied during its manufacture.
  • the problem is to guarantee the integrity of the HP portion of the valve block, even in the event of a violent impact, so as to avoid gas leaks and / or the ejection of parts in contact with the HP gas .
  • the invention further relates to a gas container, in particular a gas bottle, comprising an internal storage volume and a valve block with at least one internal gas passage in fluid communication with said internal storage volume, characterized in that the valve block is according to one of the preceding claims.
  • the invention also relates to a use of a valve block, in particular an RDI, or a gas container, in particular a gas cylinder, as described above, for dispensing a gas or a gaseous mixture.
  • FIG 2 schematically an embodiment of a gas distribution valve block according to the present invention, also called valve, namely here an integrated pressure regulator valve or RDI, including an elastic connecting element 5, which during a major shock, allows to keep the integrity of the part of the RDI exposed to high pressure (HP), as schematized in Figure 1 , in particular at a pressure of up to 300 to 400 bar abs.
  • valve also called valve, namely here an integrated pressure regulator valve or RDI, including an elastic connecting element 5, which during a major shock, allows to keep the integrity of the part of the RDI exposed to high pressure (HP), as schematized in Figure 1 , in particular at a pressure of up to 300 to 400 bar abs.
  • HP high pressure
  • the valve block 1 which is for example made of brass and / or stainless steel, houses an internal gas passage 4, also called the first withdrawal circuit, comprising an upstream first end communicating with the storage volume of a bottle 7 of fluid under pressure (cf. Figure 3 and a second downstream end, typically provided with a gas outlet fitting, for connection to a withdrawn gas user device.
  • an internal gas passage 4 also called the first withdrawal circuit, comprising an upstream first end communicating with the storage volume of a bottle 7 of fluid under pressure (cf. Figure 3 and a second downstream end, typically provided with a gas outlet fitting, for connection to a withdrawn gas user device.
  • the internal gas passage 4 conveys the high pressure gas (HP) from the pressurized gas cylinder 7 on which the RDI is mounted.
  • the internal gas passage 4 comprises a regulating member of the flow rate and / or the pressure of the gas withdrawn between the upstream and downstream ends.
  • the RDI also comprises a manual control member of the regulating member, mounted movably relative to the valve body 1 and cooperating with the regulating member to control the flow rate and / or the fluid pressure allowed to flow from the upstream end towards the downstream end according to the position of the control member with respect to the valve body 1.
  • the RDI further comprises an electronic indicating device 3, that is to say an electronic data indicating device (s) relative to the fluid contained in a bottle on which is mounted the valve 1, for example a digital manometer.
  • an electronic indicating device 3 that is to say an electronic data indicating device (s) relative to the fluid contained in a bottle on which is mounted the valve 1, for example a digital manometer.
  • the electronic indicator device 3 comprises an electronic card making it possible to acquire, store and process data, in particular the pressure of the gas measured by a pressure sensor, and at least one data display 12, namely a digital display, connected to the data acquisition and data acquisition member, to transmit to the latter a signal representative of the flow rate and / or the fluid pressure imposed by the regulating member.
  • the electronic indicator device 3 comprises a rigid outer casing 13, for example made of polymer and / or metal, which forms a protective shell serving to contain and protect in particular the electronic card. It may also contain a source of electrical energy used to power the electronic card and / or the display and / or other elements (e.g. sensor ...), for example a battery, a battery or the like.
  • the rigid housing 13 also carries the data display 12, preferably a digital display.
  • a rigid connecting element 2 interposed between the electronic indicator device 3 and the valve body 1, mechanically secures the electronic indicator device 2 to the valve body 1.
  • the rigid connecting element 2 forms a connection or tip crossed by an internal channel 6 of gas which is in fluid communication with the internal passage 4 of the body 1 of the RDI.
  • the internal gas channel 6 brings the gas pressure to a pressure sensor (not shown) making it possible to measure the pressure of the fluid HP conveyed by the internal passage 4.
  • the pressure sensor then delivers a pressure signal to the electronic card of the device electronic indicator 3.
  • the pressure sensor can be arranged on or integrated with the connecting element 2.
  • the elastic or flexible connecting element 5 is arranged between the rigid connecting element 2 and the electronic indicating device 3, and mechanically secures the electronic indicator device 3 to the rigid connecting element. 2.
  • the elastic connecting element 5 is arranged between the rigid housing 13 of the electronic indicator device 3 and the rigid connecting element 2.
  • This elastic connecting element 5 is designed to deform elastically, but without breaking, in the event of impact on the electronic indicating device 3, in particular an impact corresponding to a fall of at least 1 meter in height.
  • a gas cylinder 7 equipped with an RDI according to the invention such as that illustrated in FIG. Figure 3 .
  • the elastic connecting element 5 is formed of a flexible, flexible, deformable material, in particular an elastomeric material, for example of the EPDM type.
  • the elastic connecting element 5 is overmolded directly around at least a part of the rigid connecting element 2 and / or the electronic indicator device 3.
  • information is transferred, for example from a pressure signal measured by the pressure sensor, to the electronics, that is to say the electronic card of the electronic indicating device 3. .
  • the elastic connecting element 5 is designed and adapted to absorb the shock received by the electronic indicator device, for example in the event of a fall, and thus to cancel or limit the transmission of the resulting forces to the element rigid connection and prevent it from breaking.
  • the electronics does not stop working because it remains connected to the pressure sensor.
  • the HP portion of the block 1 is preserved and remains under pressure, which increases the safety for the user.
  • the electronic indicator device 3 in the event of an impact, can therefore accompany the bending of the elastic connecting element without breaking and the safety of the user is retained.
  • one (or more) fluidic sealing element such as an O-ring 8 is arranged between the connecting element 2 and the body of the valve block 1, as illustrated in FIG. Figure 1 in order to avoid possible gas leaks between them.
  • the gas distribution valve may comprise other conventional components, such as a rotary operating wheel 9, a threaded end piece 10, cylindrical or frustoconical, fixing the gas distribution valve on a collar of gas bottle 7, a gas outlet fitting, a filling fitting ...
  • gas distribution valve may also be protected by a protective cover or "hat” (not shown), when mounted on a gas container 7, in particular a cylindrical gas cylinder, such as shown in Figure 3 .
  • a gas distribution valve such as an RDI, according to the invention may advantageously be mounted on a gas cylinder 7 used to store or to distribute a gas under pressure, in particular a medical gas, be it a pure gas or a gas.
  • gaseous mixture in particular an oxygen, air, N 2 O / O 2 , He / O 2 and NO / nitrogen type gas.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP18176805.2A 2017-06-27 2018-06-08 Gas-absperrhahnblock mit elektronischer anzeigevorrichtung für gasbehälter mit einem elastischen verbindungselement Withdrawn EP3421866A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1755859A FR3068107B1 (fr) 2017-06-27 2017-06-27 Bloc robinet de gaz a dispositif-indicateur electronique pour recipient de gaz a element de liaison elastique

Publications (1)

Publication Number Publication Date
EP3421866A1 true EP3421866A1 (de) 2019-01-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18176805.2A Withdrawn EP3421866A1 (de) 2017-06-27 2018-06-08 Gas-absperrhahnblock mit elektronischer anzeigevorrichtung für gasbehälter mit einem elastischen verbindungselement

Country Status (2)

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EP (1) EP3421866A1 (de)
FR (1) FR3068107B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3754245A1 (de) 2019-06-21 2020-12-23 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Gasbehälter mit anzeige der entsprechenden möglichen durchsatzmengen und reichweiten
FR3106189A1 (fr) 2020-01-14 2021-07-16 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Récipient de gaz avec affichage du débit et de l’autonomie correspondante
US20220214015A1 (en) * 2021-01-07 2022-07-07 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Gas container equipped with an electronic measurement device

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US5941268A (en) * 1996-08-29 1999-08-24 Ross, Jr.; Donald P. Tank safety valve
US6085598A (en) * 1999-02-22 2000-07-11 Denso Corporation Pressure sensor device having breakable mounting member
DE202004000564U1 (de) * 2004-01-15 2004-04-01 Keller AG für Druckmeßtechnik Elektronisches Manometer
EP2029972A1 (de) * 2006-05-31 2009-03-04 Taema Vorrichtung zur anzeige einer physikalischen menge
US20150048955A1 (en) * 2013-08-15 2015-02-19 Western/The Scott Fetzer Company Information gauge with analog backup
DE102014112113A1 (de) * 2014-08-25 2016-02-25 Kavlico GmbH Druckschalter
FR3040755A1 (fr) * 2015-09-04 2017-03-10 Air Liquide Raccord de fluide sous pression, robinet et une bouteille comprenant un tel raccord

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EP3754245A1 (de) 2019-06-21 2020-12-23 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Gasbehälter mit anzeige der entsprechenden möglichen durchsatzmengen und reichweiten
FR3097615A1 (fr) 2019-06-21 2020-12-25 L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Récipient de gaz avec affichage des débits possibles et autonomies correspondantes
FR3106189A1 (fr) 2020-01-14 2021-07-16 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Récipient de gaz avec affichage du débit et de l’autonomie correspondante
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