EP2918891A1 - Haube mit Schutzrand des drehbaren Bedienungsorgans eines Absperrhahnblocks eines Gasbehälters - Google Patents

Haube mit Schutzrand des drehbaren Bedienungsorgans eines Absperrhahnblocks eines Gasbehälters Download PDF

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Publication number
EP2918891A1
EP2918891A1 EP15305208.9A EP15305208A EP2918891A1 EP 2918891 A1 EP2918891 A1 EP 2918891A1 EP 15305208 A EP15305208 A EP 15305208A EP 2918891 A1 EP2918891 A1 EP 2918891A1
Authority
EP
European Patent Office
Prior art keywords
gas
control member
assembly according
rotary control
valve block
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.)
Granted
Application number
EP15305208.9A
Other languages
English (en)
French (fr)
Other versions
EP2918891B1 (de
Inventor
Antoine Frenal
Damien GERMANI
Renaud Ligonesche
Beatriz LOPEZ
Philippe Rudnianyn
Chiara TARANTELLO
Catherine VIVIER
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
Air Liquide Sante International SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
Air Liquide Sante International SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Filing date
Publication date
Application filed by Air Liquide SA, Air Liquide Sante International SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP2918891A1 publication Critical patent/EP2918891A1/de
Application granted granted Critical
Publication of EP2918891B1 publication Critical patent/EP2918891B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F17C13/06—Closures, e.g. cap, breakable member
    • 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • 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
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under 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
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0115—Dismountable protective hulls
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0157—Details of mounting arrangements for transport
    • F17C2205/0165—Details of mounting arrangements for transport with handgrip
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0188—Hanging up devices
    • 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
    • F17C2205/0338—Pressure regulators
    • 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
    • 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
    • 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
    • F17C2270/00—Applications
    • F17C2270/02—Applications for medical applications
    • F17C2270/025—Breathing

Definitions

  • the invention relates to a gas distribution assembly comprising a gas cylinder, in particular a medical gas cylinder, a valve block, with or without an integrated expansion system, fixed on the gas cylinder and a protection cowling arranged around the block. tap to protect it from shocks and dirt.
  • Gas containers typically gas cylinders, equipped with a valve block, with or without built-in expansion valve, namely a single tap open / closed type or a tap to integrated regulator, also called RDI, to control flow and pressure of the delivered gas.
  • RDI integrated regulator
  • Cowlings of this type are described in particular by the documents EP-A-629812 , DE-A-10057469 , US-2004/020793 and EP-A-2586481 .
  • Control of gas flow in the valve block is usually done through a gas passage control system arranged on the internal gas passage which fluidly connects the gas container to an outlet of the valve block, said gas passage control system cooperating in general with a control member operable by a user, typically a rotary wheel.
  • the rotating wheel can be easily damaged in case of drop of the bottle on the ground because it usually extends beyond the surface of the cowling and is therefore exposed in case of fall of the bottle or case of shock between two bottles, when stored side by side.
  • the document EP-A-1013986 proposes a protection cowling for a gas bottle comprising a wide opening on its front face, which gives access to the various components of the valve around which it is arranged.
  • a solution is not ideal because, due to the wide opening in the cowling, dust or the like can enter the rollover, which poses a hygiene problem, in particular when the bottle is to be used in a hospital environment or the like.
  • the problem that arises is to improve the protection of the rotary wheel fitted to the valve block of a gas distribution assembly comprising a gas cylinder, a valve block, with or without an integrated expansion system, fixed on the gas cylinder and a protective cover arranged around the valve block, in which the control of the release of the gas flow is done by means of a control member operable by a user of the rotary wheel type, while ensuring a good protection of the elements of the faucet and guarantee a hygiene compatible with a use in the field of health in particular.
  • the solution of the invention is then a gas distribution assembly comprising a gas container, a valve block attached to the gas container and a protective cowling arranged around said valve block, the protective cowling comprising an opening in which is housed a rotary control member, characterized in that the opening is at least partly bordered by a protruding flange projecting away from the outer surface of the protective cover, the protruding flange having a cut forming a window of reading.
  • the assembly of the invention is well suited for use in storing and dispensing a gas or a gaseous mixture, in particular a medical gas, chosen from oxygen, air, a mixture N 2 O / O 2 , a mixture He / O 2 , a NO / nitrogen mixture or any other gas or gas mixture.
  • a gas or a gaseous mixture in particular a medical gas, chosen from oxygen, air, a mixture N 2 O / O 2 , a mixture He / O 2 , a NO / nitrogen mixture or any other gas or gas mixture.
  • FIGS 1 to 3 represent an embodiment according to the invention of an assembly comprising a rigid protective cover 1, commonly called “cap”, arranged around a valve block (not visible), namely a valve block with or without built-in expansion valve, it itself attached to the neck of a gas cylinder 20.
  • the protective cowling 1 is provided with a carrying handle 10 surmounting the cowling body.
  • the protective cover 1 is attached to the neck of the bottle or directly to the valve block.
  • the protective cover 1 protects the valve block against shocks, in the event of a fall or colliding bottles.
  • the gas bottle 20 typically has a cylindrical body and a size between 10 and 150 cm, and a capacity of 0.5 to 20 liters (in water equivalent).
  • the bottle may be steel or aluminum alloy, composite material or a combination thereof.
  • the fixing around the valve block on the neck of the gas bottle 20 is made by screwing, via reciprocal threads carried by the internal surface of the neck of the bottle 20, on the one hand, and by the outer surface of a expansion of substantially cylindrical or conical shape, located at the base of the valve body and carrying a gas inlet port, on the other hand.
  • the protective casing 1 comprises a casing body forming a protective shell 2 around an internal volume sized to receive the valve block, and a carrying handle 10 designed to be handled by a user.
  • the casing body 1 is typically made of a polymer and / or metal type material, preferably made of plastic material, such as PVC, PE, PET, PP, PMMA, PU, PA ...
  • the carrying handle 10 is itself formed of a rigid material, such as a polymer or a metal or metal alloy, and is carried by one or more support posts 12 mechanically connecting the body 2 of the cowling to the carrying handle 10
  • the carrying handle 10 is generally arranged horizontally, that is to say perpendicularly or almost perpendicular to the vertical axis of the bottle 20 and the cowling 1.
  • the carrying handle 10 has an elongated shape, which it is rectilinear or curved, typically a length less than 20 cm, typically 6 to 15 cm. It may comprise an identification bar code or the like as illustrated in Figure 3 .
  • One or more support posts 12 are attached to the carrying handle 10 so as to allow a user to easily transport the assembly comprising the cap 1, the tap and the bottle 20 by means of said carrying handle 10.
  • the amounts -supports 12 may be formed of a plastic material, such as the body of the cowling 1, but also aluminum alloy or any other metallic material. They can be attached to the handle 10 by screwing or welding, for example.
  • the protective casing 1 also has openings 9, 18, 14 giving access to the valve block located in the internal volume of the casing body.
  • a first opening 9 is arranged at the front face 3 of the protective cowling 1, within which is housed a rotary control member 5, namely a rotary wheel, operable by the user to control or adjust the flow of gas delivered by the tap.
  • gripping means allowing the user to grip the rotary control member 5 between his fingers and to give it a rotational movement, as detailed below.
  • the rotating handwheel 5 cooperates with a gas flow control system, when it is maneuvered by the user, to control the passage of gas, that is to say to allow or prevent its exit of the faucet block.
  • the user By acting on this rotary wheel 5, the user can choose or adjust the gas flow delivered by the valve block, or conversely completely interrupt it.
  • the rotary control member 5 according to the present invention is detailed below.
  • the protective casing 1 further comprises a second opening 18 within which is housed a pressure gauge 16, either needle or electronic. More specifically, the protective casing 1 comprises a flat surface 17 located at the top of the cowling 1 and the side its front face 3, within which is arranged the second opening 18. The flat surface 17 is in fact an oblique face relative to the vertical axis of the bottle 20.
  • Such an arrangement of the manometer 16 in the upper position on the valve tap and the cowling 1, and front 3 of said cowling 1 can significantly facilitate the pressure reading delivered by the pressure gauge 16 and thus to avoid reading errors.
  • the protective cowling 1 comprises other openings 14, 21 giving access to filling connections, pressurized gas outlet ... located laterally or on the rear face 4 of the body of the cowling 1, as visible on the Figures 1 and 2 .
  • the rotary handwheel 5 is arranged around the gas outlet fitting 15 carrying the gas outlet port 6 for withdrawing the gas stored in the bottle 20, that is to say in a coaxial manner.
  • the protective cover 1 comprises, on the side of its rear face 4, a hooking device 13 pivoting between a fully folded position, called “rest” (schematized in Figures 1 and 2 ), that is to say the position adopted by the attachment device 13 when stored and in contact or near-contact body body 2 of the cowling 1, and a completely unfolded position called “hanging” (Not shown), that is to say the position adopted by the attachment device 13 when it is fully extended and can be hooked to a support, such as a bed bar or the like.
  • the pivoting attachment device 13 has two arms or hooks 13a, as visible on the Figures 1 to 3 .
  • the valve block is of the RDI type, that is to say that it comprises a gas expansion system arranged between the gas flow control system and the gas outlet orifice 6 so as to operate a reduction in the pressure of the high pressure gas from the bottle 20 to a lower pressure value delivered by the outlet orifice 6, for example a pressure reduction from a high pressure greater than 100 bar to a low pressure lower than 20 bar abs.
  • a gas expansion system comprising in particular a high pressure chamber, a relief valve and a valve seat.
  • the final pressure can be adjustable or fixed value.
  • the rotary wheel 5 cooperates with the gas flow control system arranged on an internal gas passage of the valve block, to control or adjust the passage or flow of gas in the internal gas passage, that is to say that is, to allow or, conversely, prevent any flow of gas in said passage, in the direction from the gas inlet port positioned at the neck of the bottle 20, at the gas outlet port 6 carried by the outlet fitting 15.
  • the flow control system comprises a pierced element calibrated orifices, the steering wheel being, as the case may be, to cooperate a calibrated orifice corresponding to the desired flow rate with a fixed orifice, or to cooperate a movable orifice passage with the calibrated orifice corresponding to the desired flow rate.
  • a pierced element calibrated orifices the steering wheel being, as the case may be, to cooperate a calibrated orifice corresponding to the desired flow rate with a fixed orifice, or to cooperate a movable orifice passage with the calibrated orifice corresponding to the desired flow rate.
  • the pierced element of calibrated orifices is a rotating metal disc traversed by calibrated orifices.
  • the orifices have different sizes, i.e. increasing, each caliber corresponding to a given flow rate value. This disc is mobile in rotation and driven by the steering wheel 5.
  • the rotary wheel 5 constituting the control member which cooperates with the gas flow control system, is rotatable about an axis of rotation AA.
  • the opening 9 which accommodates the rotary wheel 5 is, according to the present invention, partly bordered by a projecting rim 7 projecting away from the outer surface of the front face 3 of the body 2 of the cowling of protection 1, that is to say in the manner of a cap visor.
  • the protruding flange 7 extends over at least a portion of the upper periphery of the opening 9.
  • the rim 7 projecting extends over the upper half of the circular periphery of the circular opening 9 in which is housed the rotating wheel 5 also circular periphery.
  • This protruding flange 7 is preferably rigid. It further comprises a cutout 8 forming a reading window which is positioned facing at least one of the markers 11 carried by the rotary control member 5, as explained hereafter, so as to allow a user to display this flow mark 11 through the reading window 8.
  • the marks 11 are readable and visible only through the cutout 8 forming read window.
  • the cutout 8 forming a reading window here has a shape of "U”; however, it could have another shape, for example a shape of "V", “O” open or closed, square, rectangle, or any other form for reading the marker 11 below.
  • the rotary control member 5 typically a rotary wheel, is designed and arranged so that a rotation of the rotary control member 5, by manual / digital action of the user on the gripping means, causes a scrolling of the marks 11 in the cutout 8 forming read window.
  • the protruding flange 7 furthermore makes it possible to protect the flywheel 5 in the event of the bottle 20 falling on its front face 3.
  • This protruding flange 7 is preferably formed in one piece with all or part of the rollover body 2 1, in particular of its front face 3.
  • the protruding rim 7 forms a visor projecting away from the rotary control member 5 so as to be able to absorb a shock, in the event of a fall of the bottle 20 on the ground or in the event of a collision between two bottles, when they are stored side by side, since it is this rim 7 which will enter the first contact with the ground, which will preserve the connection of any deterioration.
  • the maximum width L of the flange is less than 5 cm, typically of the order of 3 cm or less.
  • the protruding flange 7 comprises one or more markings 21, for example arrows and / or symbols "+” and / or "-”, representative of the direction in which the user must operate a rotation of the organ rotary control 5 to increase and / or decrease the gas flow delivered by the valve block, that is to say the clockwise or counterclockwise.
  • the rotary wheel 5 comprises a central region with the axis of rotation AA and a peripheral region located at the periphery of the central region.
  • the central region comprises the gripping means allowing the user to grip the rotary control member 5 between his fingers and to give it a rotational movement about the axis of rotation AA, and thus to scroll the pins 11 in the reading window formed by the cutout 8.
  • the gripping means carried by the central region of the rotary control member comprise one or more elements in reliefs and / or housings, ie recesses or recesses, suitable for and designed, that is to say dimensioned, to be gripped between his fingers by the user.
  • These relief elements and / or housings are for example formed of small walls obtained by molding the part forming the flywheel 5.
  • they are arranged on the outer surface of the central region of the rotary control member 5, typically a rotary wheel.
  • the rotating flywheel 5 has a general shape of revolution, for example a general shape of disc or the like.
  • control member 5 further comprises a central orifice through which the outlet fitting 15 carries the outlet orifice 6.
  • the control member 5 is free to rotate around said connection output 15.
  • the peripheral region 10 comprises meanwhile pins 11 angularly offset with respect to the axis AA, said pins 11 each corresponding to a given flow rate of gas.
  • the marks 11 are ordered in a ring located on the entire periphery of the central region, and indicate increasing flow values.
  • the other marks 11 correspond to positions of the flywheel 5 in which the gas is delivered at different flow rates, namely flow rates of 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 15 and 25. min of gas.
  • the markers 11 may be engraved, printed, glued or applied by any other suitable technique. Likewise, the markers 11 may comprise numbers, letters or any other type of marking.
  • the rotary wheel 5 is preferably made of plastic, such as PVC, PE, PET, PP, PMMA, PU, PA ... but can also be formed of an aluminum alloy or any other material metal, or even a combination of several materials, for example plastic and metal materials.
  • At least a portion of the rotating flywheel 5 is made of a rigid material covered with a flexible material having a Shore hardness between 0 and 95, for example a coating formed of a paint giving an effect called "soft touch " (ie effect soft and silky to the touch) to increase user comfort for the user, or a coating formed of a layer overmolded with an elastomeric material, silicone or the like.
  • An assembly according to the invention is particularly suitable for use in a medical environment, that is to say in the field of health, in particular it is suitable for the storage of any medical gas or gas mixture, in particular of the oxygen type, air, N 2 O / O 2 , He / O 2 , NO / nitrogen or other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Closures For Containers (AREA)
EP15305208.9A 2014-03-12 2015-02-12 Haube mit Schutzrand des drehbaren Bedienungsorgans eines Absperrhahnblocks eines Gasbehälters Active EP2918891B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1452033A FR3018581B1 (fr) 2014-03-12 2014-03-12 Capotage avec rebord de protection de l'organe de commande rotatif d'un bloc robinet de recipient de gaz

Publications (2)

Publication Number Publication Date
EP2918891A1 true EP2918891A1 (de) 2015-09-16
EP2918891B1 EP2918891B1 (de) 2019-04-03

Family

ID=50624821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15305208.9A Active EP2918891B1 (de) 2014-03-12 2015-02-12 Haube mit Schutzrand des drehbaren Bedienungsorgans eines Absperrhahnblocks eines Gasbehälters

Country Status (12)

Country Link
US (1) US9874312B2 (de)
EP (1) EP2918891B1 (de)
CN (1) CN104913197B (de)
AR (1) AR099722A1 (de)
AU (1) AU2015201120A1 (de)
BR (1) BR102015005458A2 (de)
CA (1) CA2881886A1 (de)
DK (1) DK2918891T3 (de)
ES (1) ES2721644T3 (de)
FR (1) FR3018581B1 (de)
PT (1) PT2918891T (de)
ZA (1) ZA201501261B (de)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
WO2017085012A1 (en) * 2015-11-16 2017-05-26 Luxembourg Patent Company S.A. Cover for gas cylinder tap with a protective handle
EP3165807A3 (de) * 2015-11-06 2017-06-07 Rovip Schutzhaube für gasflasche
US10724687B2 (en) 2017-08-30 2020-07-28 Michael Wayne Wilkinson Compressed gas cylinder quick release safety cap

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Publication number Priority date Publication date Assignee Title
USD829859S1 (en) * 2016-07-13 2018-10-02 Luxembourg Patent Company S.A. Protection cap for cylinder valve
USD1008410S1 (en) * 2021-07-29 2023-12-19 Grand Mate Co., Ltd. Gas tank
CN114151567B (zh) * 2021-11-08 2023-12-01 成都凯天电子股份有限公司 一种气体交变发生器
USD1000246S1 (en) * 2022-02-23 2023-10-03 Amtrol Licensing, Inc. Handle assembly for a gas cylinder
WO2024015052A1 (en) 2022-07-13 2024-01-18 Praxair Technology, Inc. Protective shroud for a valve integrated pressure regulator (vipr)

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US4600033A (en) 1983-11-17 1986-07-15 Michael Baron Guard for gas cylinder valve
US5099567A (en) 1989-09-25 1992-03-31 Sakae Kitsuda Safety cylinder cap
EP0629812A1 (de) 1993-06-03 1994-12-21 Compagnie Francaise De Produits Oxygenes Kappe für Gasflaschen
EP1013986A1 (de) 1998-12-18 2000-06-28 Linde Technische Gase GmbH Gasflaschenarmatur
DE10057469A1 (de) 2000-11-20 2002-05-29 Messer Griesheim Gmbh Schutzkappe für Druckgasflaschen mit Halteschiene
US20040020793A1 (en) 2000-04-17 2004-02-05 Luc Peterolff Gas bottle with protective casing for use in the medical field
US20080095607A1 (en) * 2006-10-24 2008-04-24 Bradley Hagstrom Method and system for supplying portable gas cylinders
WO2008149312A1 (en) 2007-06-05 2008-12-11 L'air Liquide-Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gas control device with protective cover
US20090038691A1 (en) 2005-10-28 2009-02-12 David William Birch Valve guard assembly
EP2586481A1 (de) 2011-10-27 2013-05-01 Linde Aktiengesellschaft Abdeckung für eine Ventilklappe eines Gaszylinders

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US6415946B2 (en) * 2000-04-12 2002-07-09 Aviation Mobility, Llc Pressure vessel head ring assembly
FR2810124B1 (fr) * 2000-06-08 2006-12-22 Air Liquide Robinet-detendeur de fluide a volant rotatif a course angulaire limitee
US6820647B1 (en) * 2002-05-08 2004-11-23 Westlock Controls Corporation Valve position monitor
US6955194B2 (en) * 2003-03-06 2005-10-18 Linde Aktiengesellschaft Protected integral cylinder valve, gas pressure regulator and flow meter, and method for refilling a gas cylinder so equipped
US7578311B2 (en) * 2004-04-26 2009-08-25 Inovo, Inc. Gas regulator
JP2008509356A (ja) * 2004-08-06 2008-03-27 ネルコアー ピューリタン ベネット インコーポレイテッド 流体の貯蔵および送達デバイス
CA2589513C (en) * 2004-12-03 2010-05-18 Praxair Technology, Inc. Ergonomic shroud
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Publication number Priority date Publication date Assignee Title
US4600033A (en) 1983-11-17 1986-07-15 Michael Baron Guard for gas cylinder valve
US5099567A (en) 1989-09-25 1992-03-31 Sakae Kitsuda Safety cylinder cap
EP0629812A1 (de) 1993-06-03 1994-12-21 Compagnie Francaise De Produits Oxygenes Kappe für Gasflaschen
EP1013986A1 (de) 1998-12-18 2000-06-28 Linde Technische Gase GmbH Gasflaschenarmatur
US20040020793A1 (en) 2000-04-17 2004-02-05 Luc Peterolff Gas bottle with protective casing for use in the medical field
DE10057469A1 (de) 2000-11-20 2002-05-29 Messer Griesheim Gmbh Schutzkappe für Druckgasflaschen mit Halteschiene
US20090038691A1 (en) 2005-10-28 2009-02-12 David William Birch Valve guard assembly
US20080095607A1 (en) * 2006-10-24 2008-04-24 Bradley Hagstrom Method and system for supplying portable gas cylinders
WO2008149312A1 (en) 2007-06-05 2008-12-11 L'air Liquide-Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gas control device with protective cover
EP2171342A1 (de) * 2007-06-05 2010-04-07 L'air Liquide-societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gasregler mit schutzabdeckung
EP2586481A1 (de) 2011-10-27 2013-05-01 Linde Aktiengesellschaft Abdeckung für eine Ventilklappe eines Gaszylinders

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3165807A3 (de) * 2015-11-06 2017-06-07 Rovip Schutzhaube für gasflasche
WO2017085012A1 (en) * 2015-11-16 2017-05-26 Luxembourg Patent Company S.A. Cover for gas cylinder tap with a protective handle
LU92877B1 (en) * 2015-11-16 2017-06-21 Luxembourg Patent Co Cover for gas cylinder tap with a protective handle
US10724687B2 (en) 2017-08-30 2020-07-28 Michael Wayne Wilkinson Compressed gas cylinder quick release safety cap

Also Published As

Publication number Publication date
CA2881886A1 (fr) 2015-09-12
US20150260345A1 (en) 2015-09-17
BR102015005458A2 (pt) 2021-03-23
CN104913197A (zh) 2015-09-16
PT2918891T (pt) 2019-05-24
ES2721644T3 (es) 2019-08-02
ZA201501261B (en) 2016-10-26
FR3018581B1 (fr) 2017-01-27
DK2918891T3 (da) 2019-05-13
CN104913197B (zh) 2019-06-14
AU2015201120A1 (en) 2015-10-01
US9874312B2 (en) 2018-01-23
FR3018581A1 (fr) 2015-09-18
EP2918891B1 (de) 2019-04-03
AR099722A1 (es) 2016-08-10

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