EP3114390B1 - Gasverteilungshahn mit fester und mobiler kappe - Google Patents

Gasverteilungshahn mit fester und mobiler kappe Download PDF

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Publication number
EP3114390B1
EP3114390B1 EP15709235.4A EP15709235A EP3114390B1 EP 3114390 B1 EP3114390 B1 EP 3114390B1 EP 15709235 A EP15709235 A EP 15709235A EP 3114390 B1 EP3114390 B1 EP 3114390B1
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EP
European Patent Office
Prior art keywords
cap
gas
base
valve
passage
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.)
Not-in-force
Application number
EP15709235.4A
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English (en)
French (fr)
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EP3114390A1 (de
Inventor
Glenn VAN INGELGEM
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 Sante France SA
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Air Liquide Sante France SA
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Publication of EP3114390A1 publication Critical patent/EP3114390A1/de
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Not-in-force 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
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/058—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
    • F17C2205/0323—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
    • F17C2205/0323—Valves
    • F17C2205/0335—Check-valves or non-return 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
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure 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
    • 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
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/035—High pressure, i.e. between 10 and 80 bars
    • 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
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/028—Avoiding unauthorised transfer
    • 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

Definitions

  • the invention relates to a gas distribution valve comprising an integrated gas expansion system, and a gas container, such as a gas cylinder, equipped with such a valve, and their use for dispensing oxygen. medical.
  • an individual When an individual is suffering from a malaise or an accident outside and / or away from a health care facility, such as a hospital or the like, it may be administered continuously by inhalation of oxygen gas while waiting for the arrival of emergency services or emergency services, such as ambulance, fireman, emergency doctor ...
  • emergency services or emergency services such as ambulance, fireman, emergency doctor ...
  • the pressure of the oxygen delivered to the victim can be reduced to a low pressure, for example of the order of 3 to 5 bar, within an integrated pressure regulator valve block, commonly called “RDI block” or more simply “RDI", arranged on the gas bottle.
  • RDI block integrated pressure regulator valve block
  • the gas outlet of the RDI block is fluidly connected to a respiratory interface, such as a mask or respiratory goggles, via a flexible conduit for example that conveys low pressure oxygen to the respiratory interface.
  • the problem is to propose a gas dispensing valve, in particular medical oxygen, and a gas container equipped with such a tap that is easy to use, even for a person not formed or having no knowledge or experience in the handling of such a gas valve, and which can be used quickly to assist an individual suffering from a malaise or an accident, outside and / or away from a hospital or similar type of care establishment, for example in a public place or in a small medical or medical office type medical facility.
  • the invention further relates to a gas container, such as a gas bottle, comprising a container body adapted to and adapted to contain pressurized gas and a valve according to the invention attached to said container body, preferably the gas is oxygen.
  • a gas container such as a gas bottle
  • the gas is oxygen.
  • the invention further relates to a use of a gas container, such as a gas cylinder, as described above equipped with a valve according to the invention for storing and dispensing a gas, in particular oxygen medical quality.
  • a gas container such as a gas cylinder, as described above equipped with a valve according to the invention for storing and dispensing a gas, in particular oxygen medical quality.
  • FIGS. 1 to 5 represent an embodiment of a gas dispensing tap 1, in particular of medical oxygen, according to the invention intended to equip a gas container 30, preferably a gas bottle, typically a small gas bottle having by example a water capacity of less than 4 liters, typically of the order of 2 to 2.9 liters.
  • This valve 1 is of the integrated pressure reducer type, that is to say it incorporates an internal gas expansion system 20, 21, 22 comprising, in a conventional manner, an expansion valve 20 cooperating with a valve seat 21 at which opens an expansion orifice 22.
  • This expansion system 20, 21, 22 reduces the pressure of the gas, that is to say, to relax the gas at high pressure, that is to say at a high pressure of up to several hundred bar, for example 130 to 200 bar, in low pressure gas, that is to say at a pressure compatible with its administration by inhalation to a patient, typically at a low pressure of the order of a few bar.
  • valve 1 makes its use very intuitive and easy, including by people not previously trained in the handling of medical gases bottled.
  • This valve 1 is also gas-tight, compact, lightweight, easy to open but impossible to close after opening / release of the gas, as explained below.
  • the valve 1 of the invention is formed of several parts cooperating with each other as explained below.
  • it comprises a base 2 forming the lower part of the valve 1 and a movable cap 12 which overcomes the base 2 and forms the upper part of the valve 1.
  • the base 2 comprises an attachment end 6 shaped to allow attachment of the valve 1 on the neck of a gas bottle 30.
  • this fixing end 6 is cylindrical, conical or frustoconical and has an external thread 8 allowing a fixing by screwing the valve 1 to the threaded neck of a gas container 30, that is to say at the outlet of the hollow cylindrical body 31 containing the gas.
  • a high-pressure gas inlet 3 is provided on said fixing end 6 and makes it possible to put in fluid communication the internal volume of the gas container 30 and a high-pressure gas passage 5 passing through the base 2.
  • the high pressure gas passage 5 is an internal conduit that fluidly connects said high pressure gas inlet port 3 to the expansion port 22 of the aforementioned gas expansion system 20, 21, 22. It enables the high pressure gas, for example oxygen at a pressure between 150 and 200 bar, to be conveyed from the gas container to said gas expansion system 20, 21, 22 where it can undergo a reduction. pressure as explained above.
  • the base 2 is surmounted by a cap 12 having the shape of a cup, bell or the like, which comprises a low-pressure gas passage 15 opening at a gas outlet orifice 4, such as a calibrated orifice delivering a given flow rate of gas, carried here by a gas outlet connector 7, for example olive type, which has just connected a flexible conduit for feeding a respiratory interface, such as a mask or the like, serving to supply the patient with oxygen.
  • a cap 12 having the shape of a cup, bell or the like, which comprises a low-pressure gas passage 15 opening at a gas outlet orifice 4, such as a calibrated orifice delivering a given flow rate of gas, carried here by a gas outlet connector 7, for example olive type, which has just connected a flexible conduit for feeding a respiratory interface, such as a mask or the like, serving to supply the patient with oxygen.
  • the gas outlet connection 7 is carried by the upper end 12a of the cap 12 and protrudes upwards, that is to say vertically and coaxially with the axis AA of the valve, as visible on Figures 1 to 4 , so as to allow easy connection of the flexible conduit by the user.
  • the lower end 12b of the cap 12 forms a skirt or sleeve movable around a portion of the base 1, that is to say the upper part of the base 2. More specifically, the cap 12 is mobile in translation relative to the base 2 between at least one so-called “closing” position and a so-called “relaxation” position.
  • the cap 2 is retained on the base 2 to prevent it separates by two pins or abutments 41, 42 (cf. Fig. 4 ). They also guide the cap 2 during its passage from the closed position to that of relaxation.
  • any other holding and / or guiding system can be used.
  • the cap 12 acts directly or indirectly on the expansion valve 20 to push said expansion valve 20 against the valve seat 21 so as to completely close the expansion orifice 22 and thus to prevent any expansion of gas within the expansion system 20, 21, 22. Since the gas can not escape through the expansion orifice 22, no pressure reduction of the gas can take place and it is then kept confined in the 2, in particular in the high pressure gas passage 5 passing through the base 2.
  • the Figures 3 to 5 illustrate the closing position.
  • the cap 12 acts indirectly on the expansion valve 20 since it acts on it via an actuating element 16, arranged between the cap 12 and the base 2.
  • the actuator element 16 comprises an elongated tubular portion 24 with an internal passage 25 for the low-pressure gas and carrying, at one of its ends 24b, a ring or flange 23 integral with the tubular portion 24.
  • the external face of the flange 23 is in contact (at 26) with the inner wall of the cap 12 and the elastic element 13 comes to exert an elastic force on the internal face of the flange 23 so as to repel the flange 23 to the cap 12.
  • the free end 24a of the elongate tubular portion 24 itself acts mechanically on the valve 20 relaxation.
  • the cap 12 is slightly upwardly shifted under the effect of the restoring force exerted by the elastic element 13 which pushes back the actuator element 16 and the cap 12, which allows the expansion valve 20 to move away from a given distance, preferably prefixed, of the valve seat 21 so as to release the expansion orifice 22 and thus to allow a reduction in pressure of the gas by passing it between the valve 20 and the valve seat 21.
  • the low pressure gas thus obtained, by oxygen at a pressure of the order of 4 to 5 bar is discharged through the passage of low pressure gas 15 of the cap 12 and delivered by the low pressure gas outlet port 4 carried by the connector 7 .
  • the elastic element 13 bears, at its upper end 13b, on the flange 23 of the actuating element 16 and, at its lower end 13a, on an intermediate sleeve part 19 comprising a peripheral shoulder 27. More specifically, the lower end 13a of the elastic element 13 presses on the upper face of said peripheral shoulder 27, while the lower face of the peripheral shoulder 27 bears (in 28) on the base 2.
  • the sleeve part 19 comprises a cylindrical internal passage in which the actuating element 16 slides and, more specifically, the free end 24a of the tubular part 24 of said actuator element 16, when the cap 12 moves in translation relative to the base 2 between the closed position and the expansion position, under the effect of the elastic force resulting from the elastic element 13.
  • the expansion valve 20 is also arranged in the cylindrical internal passage of the sleeve part 19.
  • the high-pressure gas exiting the gas cylinder 30 is first conveyed through the high-pressure gas passage 5, then is expanded to the desired low-pressure value between the valve 20 and the seat
  • the low-pressure gas thus obtained then passes through the inner conduit 25 of the actuator element 16 and finally the passage of low-pressure gas 15 from the cap 12, before emerging at the outlet orifice. of gas 4.
  • seals 18 or the like located in particular between the actuator element 16 and, on the one hand, the cap 12 and, on the other hand, the sleeve part 19, and also between said sleeve part 19 and the base 2.
  • seals 18 arranged in grooves or the like carried by the flange 16 and the elongated tubular portion 24 of the actuator element 16, and also by the shoulder 27 of the sleeve part 19.
  • the valve 1 of the invention ensures a leak rate of about 10 -5 , therefore 100 times lower than the value recommended by ISO 10524-3.
  • valve 1 also comprises a manometer 9 fluidly connected, via a pipe 10 of pressure measurement, to the passage of high pressure gas 5 of the base 2.
  • the base 2, the cap 2 and the other elements, such as the sleeve part 19 and the actuator element 16 are advantageously made of materials that do not react with oxygen to avoid any risk of combustion, for example copper alloy, such as brass, steel, ceramic or other.
  • valve 1 also comprises, at the base 2, a filling port 35, visible in Figure 4 , to which can be connected a tool of the type "filling tongs".
  • the filling port 35 is in fluid communication with the high pressure gas passage 5 passing through the base 2. It is used to introduce gas into the container 30 when it is empty.
  • the filling port 35 comprises a filling orifice 36, a filling spring 37 acting on a ball 38 and an internal passage 39 fluidly connecting the filling orifice 36 to the high-pressure gas passage 5.
  • a plug 40 closing condemns access to the housing comprising the ball 38 and the spring 37.
  • an actuating handle 11 allows a quick and irreversible opening of the valve after its actuation by the user, and therefore a release of oxygen.
  • the fact that the gas distribution is irreversible is particularly important in the present case because a gas cylinder thus equipped can be used easily in emergency situations, including by users who are not trained to use this gas. type of bottle.
  • the handle 11 carries one (or more) rod 14 acting as a pin.
  • this (or these) rod 14 passes through a hole or passage arranged in the cap 12 and engages in a housing 42 arranged in the base 2 so as to prevent the spring 13 can push the cap 12 upwards.
  • the rod 14 is integral with the handle 11 and serves to block the action of the spring 13 and prevent it from pushing the cap 12 to the detent position.
  • the rod 14 is then extracted from the housing 42 and the orifice or passage arranged in the cap 12, which releases the cap 12, unlocks the spring 13 and allows it to push the cap 12 towards the position of relaxation.
  • the pressure of the gas within the valve 1 makes it impossible to close and repositioning of the rod 14 is not possible. It follows that once the gas is released, the valve 1 delivers gas until the bottle 30 is completely empty.
  • the surface of the rod 14 is chemically treated to reduce the frictional forces, thus minimizing the force required for its extraction from the housing 42, and thus facilitate its sliding through the orifice or passage in the cover 12 in particular, and its extraction.
  • faucet of the invention has been shown and explained in association with a medical oxygen cylinder, it can also be used with another kind of container and / or with other gases whether medical or no, for example air, an N 2 / O 2 or He / O 2 mixture.

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

Claims (14)

  1. Gaszapfhahn (1), umfassend eine Basis (2) und ein inneres Gasexpansionssystem (20, 21, 22), wobei:
    - das innere Gasexpansionssystem (20, 21, 22) ein Expansionsventil (20) umfasst, das mit einem Ventilsitz (21) zusammenwirkt, in dessen Bereich eine Expansionsöffnung (22) mündet, und
    - die Basis (2) eine Hochdruckgas-Einlassöffnung (3) umfasst und von einem Hochdruckgaskanal (5) durchquert wird, der die Hochdruckgas-Einlassöffnung (3) fluidisch mit der Expansionsöffnung (22) des Ventilsitzes (21) verbindet,
    wobei der Hahn (1) weiter umfasst:
    - eine Kappe (12), die die Basis (2) überdeckt und einen Niederdruckgaskanal (15) umfasst, der im Bereich einer Gasauslassöffnung (4) mündet, wobei die Kappe (12) in Bezug auf die Basis (2) beweglich ist zwischen mindestens:
    -- einer Verschlussstellung, in der die Kappe (12) das Expansionsventil (20) gegen den Ventilsitz (21) zurückdrückt, sodass die Expansionsöffnung (22) vollständig blockiert und jede Expansion von Gas verhindert wird, und
    -- einer Expansionsstellung, in der die Kappe (12) es dem Expansionsventil (20) ermöglicht, sich um einen gegebenen Abstand vom Ventilsitz (21) zu entfernen, sodass die Expansionsöffnung (22) freigegeben und eine Druckminderung des Gases zwischen dem Ventil (20) und dem Ventilsitz (21) und ein Strömen des Niederdruckgases in den Niederdruckgaskanal (15) der Kappe (12) ermöglicht wird,
    - mindestens ein elastisches Element (13), das die Kappe (12) elastisch in eine Richtung zurückdrückt, die danach strebt, sie von der Basis (2) zu entfernen, um sie aus der Verschlussstellung in die Expansionsstellung zu bringen,
    - eine Verriegelungsvorrichtung (11, 14), die mit der Basis (2) und der Kappe (12) zusammenwirkt, um die Kappe (12) in Verschlussstellung zu halten, wobei die Verriegelungsvorrichtung (11, 14) mindestens einen Sperrstift (14) und ein Greiforgan (11) umfasst, das von einem Benutzer manuell gegriffen werden kann,
    dadurch gekennzeichnet, dass der Sperrstift (14) der Verriegelungsvorrichtung (11, 14) einen Kanal der Kappe (12) durchquert und mit einer Aufnahme (42) der Basis (2) zusammenwirkt, um die Kappe (12) in Verschlussstellung zu halten.
  2. Hahn nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass die Kappe (12) in Bezug auf die Basis (2) translationsbeweglich ist.
  3. Hahn nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das elastische Element (13) zwischen der Basis (2) und der Kappe (12) angeordnet ist.
  4. Hahn nach Anspruch 2, dadurch gekennzeichnet, dass das Greiforgan (11) ein Griff ist.
  5. Hahn nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sich der Stift (14) aus der Aufnahme (42) und dem in der Kappe (12) ausgestalteten Kanal zurückzieht, wenn der Benutzer einen Zug auf den Griff (11) ausübt.
  6. Hahn nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Zurückziehen des Stifts (14) aus der Aufnahme (42) und dem in der Kappe (12) ausgestalteten Kanal heraus die Kappe (12) freigibt, die Feder (13) entsperrt und es der Feder (13) ermöglicht, die Kappe (12) zur Expansionsstellung hin zurückzudrücken.
  7. Hahn nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Kappe (12) mithilfe mindestens eines Betätigungselements (16), das zwischen der Kappe (12) und der Basis (2) angeordnet ist, auf das Expansionsventil (20) wirkt.
  8. Hahn nach Anspruch 7, dadurch gekennzeichnet, dass das Betätigungselement (16) einen länglichen rohrförmigen Teil (24) umfasst, der einen inneren Gaskanal (25) umfasst und an einem seiner Enden (24b) einen Flansch (23) trägt, der fest mit dem rohrförmigen Teil (24) verbunden ist.
  9. Hahn nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass das elastische Element (13) auf das Betätigungselement (16) wirkt, um die Kappe (12) elastisch in eine Richtung zurückzudrücken, die danach strebt, sie von der Basis (2) zu entfernen, wobei das elastische Element (13) vorzugsweise auf den Flansch (23) des Betätigungselements (16) wirkt.
  10. Hahn nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass er weiter ein Muffenteil (19) umfasst, das einen inneren Kanal umfasst, in dessen Inneren das Betätigungselement (16) beim Wechsel aus der Verschlussstellung in die Expansionsstellung gleitet.
  11. Hahn nach Anspruch 10, dadurch gekennzeichnet, dass das Muffenteil (19) eine umlaufende Schulter (27) umfasst, auf die das elastische Element (13) wirkt.
  12. Hahn nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass:
    - die Basis (2) weiter ein Befestigungsende (6) umfasst, das dafür ausgebildet ist, ein Befestigen des Hahns (1) auf einem Gasbehälter zu ermöglichen, wobei das Befestigungsende (6) vorzugsweise ein Gewinde (8) trägt, das ein Befestigen durch Aufschrauben des Hahns (1) auf einen Gasbehälter ermöglicht, und/oder
    - die Kappe (12) einen Auslassanschluss (7) umfasst, der vom Niederdruckgaskanal (15) durchquert wird und die Gasauslassöffnung (4) trägt, wobei der Auslassanschluss (7) vorzugsweise vertikal und koaxial zur Achse (AA) des Hahns (1) vorragt.
  13. Gasbehälter (30), umfassend einen Behälterkörper (31), der dazu geeignet und dafür konzipiert ist, ein Druckgas zu enthalten, und einen Hahn (1) nach einem der vorstehenden Ansprüche, der am Behälterkörper (31) befestigt ist.
  14. Verwendung eines Gasbehälters (30) nach Anspruch 13, um ein Gas, vor allem Sauerstoff, zu speichern und abzuzapfen.
EP15709235.4A 2014-03-07 2015-02-10 Gasverteilungshahn mit fester und mobiler kappe Not-in-force EP3114390B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1451856A FR3018330B1 (fr) 2014-03-07 2014-03-07 Robinet de distribution de gaz a embase fixe et coiffe mobile
PCT/FR2015/050324 WO2015132495A1 (fr) 2014-03-07 2015-02-10 Robinet de distribution de gaz à embase fixe et coiffe mobile

Publications (2)

Publication Number Publication Date
EP3114390A1 EP3114390A1 (de) 2017-01-11
EP3114390B1 true EP3114390B1 (de) 2018-04-11

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EP15709235.4A Not-in-force EP3114390B1 (de) 2014-03-07 2015-02-10 Gasverteilungshahn mit fester und mobiler kappe

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EP (1) EP3114390B1 (de)
FR (1) FR3018330B1 (de)
WO (1) WO2015132495A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7133841B2 (ja) * 2018-09-29 2022-09-09 株式会社ネリキ 容器バルブ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2199040A (en) * 1937-12-30 1940-04-30 Cecchet Albino Control valve for gas containers
FR1354955A (fr) * 1963-01-29 1964-03-13 Gaz De Petrole Dispositif pour la commande de l'ouverture et la fermeture de bouteilles de gaz combustible liquéfié
GB1039528A (en) * 1963-08-14 1966-08-17 British Oxygen Co Ltd Fluid pressure regulating device
FR2619432B3 (fr) * 1987-08-10 1989-10-27 Air Liquide Robinet pour bouteille de gaz sous pression
DE102007003320A1 (de) * 2006-10-04 2008-04-10 Mbb International Group Ag Verschlussvorrichtung für einen mit Druckgas befüllbaren Druckbehälter eines Kaltgasgenerators

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FR3018330A1 (fr) 2015-09-11
WO2015132495A1 (fr) 2015-09-11
FR3018330B1 (fr) 2016-12-02
EP3114390A1 (de) 2017-01-11

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