EP3660381A1 - Armature pour bouteilles de gaz liquide ainsi que procédé de remplissage - Google Patents

Armature pour bouteilles de gaz liquide ainsi que procédé de remplissage Download PDF

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Publication number
EP3660381A1
EP3660381A1 EP19210220.0A EP19210220A EP3660381A1 EP 3660381 A1 EP3660381 A1 EP 3660381A1 EP 19210220 A EP19210220 A EP 19210220A EP 3660381 A1 EP3660381 A1 EP 3660381A1
Authority
EP
European Patent Office
Prior art keywords
gas
fitting
opening
refilling
bottle
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
EP19210220.0A
Other languages
German (de)
English (en)
Other versions
EP3660381C0 (fr
EP3660381B9 (fr
EP3660381B1 (fr
Inventor
Eckhard Tilhof
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.)
Cleantech Swiss AG
Original Assignee
Cleantech Swiss AG
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Filing date
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Publication of EP3660381A1 publication Critical patent/EP3660381A1/fr
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Publication of EP3660381B1 publication Critical patent/EP3660381B1/fr
Publication of EP3660381B9 publication Critical patent/EP3660381B9/fr
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
    • 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • 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
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
    • 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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • 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
    • 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
    • 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
    • F17C2205/0332—Safety valves or pressure relief 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
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • 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
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • 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
    • F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
    • F17C2223/042—Localisation of the removal point
    • F17C2223/046—Localisation of the removal point in the liquid
    • F17C2223/047—Localisation of the removal point in the liquid with a dip tube
    • 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
    • F17C2225/04—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by other properties of handled fluid after transfer
    • F17C2225/042—Localisation of the filling point
    • F17C2225/046—Localisation of the filling point in the liquid
    • F17C2225/047—Localisation of the filling point in the liquid with a dip tube
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • 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
    • F17C2270/0709—Camping gas

Definitions

  • the invention relates to a fitting for LPG bottles and a method for refilling with LPG.
  • a gas bottle is usually an existing pressure vessel for the transport and storage of pressurized gases, usually made of metal, usually steel. Such a bottle can have a volume of more than 100 liters. The nominal pressure can be several hundred bar.
  • Gases such as LPG are in liquefied form in liquefied gas cylinders. Common gases are ethane, propane, butane and mixtures thereof. These gases can be liquefied at room temperature using comparatively low pressure.
  • the liquid gas content of such bottles is usually between 3 and 33 kg.
  • the height of such liquid gas bottles is usually between 420 mm and 1290 mm.
  • the bottle diameter is typically between 200 mm and 318 mm.
  • LPG bottles are closed with a fitting, to which a suitable hose can be screwed, usually in conjunction with a pressure reducer, for the controlled removal of its contents.
  • a safety valve in the extraction valve for LPG bottles, which limits the permissible excess pressure in the bottle to, for example, approx. 30 bar to prevent bursting.
  • a fitting of such a liquid gas bottle has a side connection piece as a gas tap, which is used on the one hand for filling and on the other hand for removal. Lines are manually screwed onto this gas tap both in the case of removal and in the event of refilling.
  • the side connection piece When the gas tap is open, the side connection piece is connected in a gas-conducting manner to an opening on the underside of the fitting. This underside with the opening is located above the liquid level when a liquid gas bottle is set up. When gas is withdrawn, the gas which is above the liquid level in the gaseous state is therefore removed.
  • Liquid gas bottles are used for the operation of gas stoves, gas cookers, gas grills, gas heating ovens or gas radiant heaters. Is the content of a liquid gas bottle consumed, LPG bottles are returned by the consumer to the point of sale of LPG bottles for refilling. After such a return of a liquid gas bottle, it is transported from the point of sale to a central filling system or filling station.
  • An advantageous method for refilling includes the features of the subsidiary claim.
  • a fitting according to the invention comprises a gas tap for gas extraction and an opening for refilling a liquid gas bottle.
  • the opening for refilling a liquid gas bottle can be connected in a gas-conducting manner in particular by opening a valve with a hose-shaped or tubular line of the fitting, which can extend at least 300 mm, preferably at least 400 mm, into a liquid gas bottle if the fitting is connected to such a gas bottle .
  • the result of this is that the line can extend into the liquefied part of the gas, which above all enables very rapid emptying by pumping out. Emptying is advisable if a refilled gas bottle proves to be leaking. This results in a speed advantage.
  • the underside is the side that is adjacent to the liquid gas bottle or is completely in the bottle or in the bottle neck when the fitting is connected to a liquid gas bottle.
  • This opening on the underside can be connected to the gas tap in a gas-conducting manner, as a rule by turning a corresponding rotary handle.
  • the tubular or tubular line protrudes from this opening, preferably by at least 200 mm, particularly preferably by at least 300 mm.
  • the tubular or tubular line is therefore preferably so long that it extends to the bottom of a gas bottle connected to the fitting. As a rule, this line is therefore no longer than 1290 mm.
  • the opening for refilling the liquid gas bottle is advantageously arranged on the top of the fitting. This facilitates refilling, since a liquid gas bottle does not have to be aligned for refilling. In particular, automatic refilling in an automated filling station is possible with little technical effort.
  • the gas tap through which the gas is withdrawn for consumption, preferably projects laterally from the fitting.
  • the gas tap can preferably be opened and closed by means of a rotary handle or handwheel.
  • the handwheel is advantageously arranged around the feed for refilling. For example, a nut with a spindle is actuated via the handwheel in such a way that a body provided for this purpose can be moved up and down. This will open or close the gas tap.
  • the opening for refilling a liquid gas bottle can be opened and closed by a valve. This facilitates and accelerates refilling, since a liquid pressure can be sufficient to open the valve for refilling.
  • the valve preferably comprises a valve body which is pressed into its closed valve position by a prestressed spring. This helps to be able to open the valve for refilling simply by means of a liquid pressure. In addition, emptying is made easier by pumping, since the valve can be opened by a nozzle or a mandrel of a suction head by connecting the suction head to the opening provided for this purpose. Subsequently, suction can take place immediately, which makes automated refilling possible, which can even be carried out by an end user, taking into account the increased safety effort that is then required.
  • the valve body is preferably a hollow cylinder which comprises lateral openings.
  • the valve body can then advantageously be part of the line via which liquid gas is introduced into the bottle for refilling or via which liquid gas is sucked off for emptying.
  • the valve body is preferably provided with a circumferential, exchangeable sealing ring which, when closed, closes the valve in a liquid-tight and gas-tight manner. In the event of a leak, it is usually sufficient to replace the sealing ring in order to restore the valve to working order.
  • the sealing ring is pressed against a conical transition in the closed state of the valve, which connects a tubular section to a tubular section that is widened opposite.
  • a closing element in particular in the form of a hollow cylindrical section, which interrupts a gas-conducting connection between the gas tap and the opening on the underside of the fitting, into which gas from a connected liquefied gas bottle can flow, when the valve body is in its open position Position is moved.
  • a closing element in particular in the form of a hollow cylindrical section, which interrupts a gas-conducting connection between the gas tap and the opening on the underside of the fitting, into which gas from a connected liquefied gas bottle can flow, when the valve body is in its open position Position is moved.
  • the hollow cylindrical section is preferably a section of the line which connects the gas tap to an opening on the underside of the fitting, into which gas from a connected liquid gas bottle can flow. This reduces the technical complexity of production and also enables a compact design.
  • the opening for refilling a liquefied gas bottle is preferably funnel-shaped in order to facilitate connection to a filling head or suction head by centering.
  • the fitting is advantageously designed such that either gas can be withdrawn via the gas tap or refilled or emptied via the opening provided for this purpose. It cannot then be refilled at the same time be and at the same time withdrawn gas via the gas tap. This avoids risks during gas extraction or during refilling.
  • a further gas extraction option preferably via a quick coupling.
  • a hose can be connected to this further gas extraction option for permanent gas extraction, which is generally not adjustable.
  • This additional gas extraction option is intended for balloonists in order to be able to supply a flame with gas permanently. This flame serves as an ignition flame, for example. This flame generally requires little gas. It is so. B. prevents excessive gas from being consumed by turning the handwheel too far for the pilot light. If a quick coupling is provided, gas extraction can only be made possible by connecting an appropriate coupling piece. This prevents accidental opening.
  • burst protection device which is destroyed when the internal pressure is excessively high, in order to allow gas to escape in a controlled manner and thus to reduce an excessively high internal pressure.
  • the Figure 1 shows in a sectional view a fitting 1 for a gas bottle.
  • a gas tap 2 with an external thread that projects laterally, namely horizontally from a standing gas bottle, not shown, when the fitting 1 is connected to a gas bottle as intended.
  • the line of a gas consumer for example a gas grill, for removing gas can be screwed onto the gas tap 2.
  • the funnel-shaped opening 3 In addition to the laterally protruding nozzle 2, there is a funnel-shaped opening 3 into the fitting 1 at the top.
  • the funnel-shaped opening 3 leading upwards serves as a central filling and suction point.
  • the funnel-shaped mouth or opening 3 is connected to a filling head or suction head of a gas filling station.
  • An externally accessible upper area of the outer wall of the central filling point has two circumferential grooves 4 in order to enable a form-fitting clasping with complementarily shaped grippers of a filling head or suction head.
  • a positive connection between the outer wall with the grooves 4 and a suction head or filling head can be created during the filling or during the suction of gas, in order to prevent an unscheduled loosening of a head during the filling or emptying of a gas bottle.
  • a sealing ring 5 is held in the funnel-shaped opening 3 by a corresponding circumferential groove. A filling head or suction head is pressed against this sealing ring 5 during filling or emptying.
  • a hollow cylindrical valve body 6 has a sealing ring 7 in a lower region, which is held in a corresponding circumferential groove of the valve body 6.
  • the valve body 6 is biased in the direction of the opening 4 by a spring 8.
  • the sealing ring 7 is pressed against a conical transition 9 for closing the valve.
  • Access via the opening 4 into the fitting 1 is then as in the Figure 1 shown, sealed gas-tight and liquid-tight and more reliable and durable compared to that from the publication DE 43 34 182 A1 known ball valve of the central filling point. In the event of a valve leak due to signs of fatigue, it is usually sufficient to replace only the sealing ring 9.
  • valve body 6 is in the closed state of the valve as in the Figure 1 shown predominantly in a tubular section 10, the inside diameter of which corresponds to the outside diameter of the valve body 6. The valve body 6 is therefore guided through this tubular section 10.
  • the spring 8 is located in a tubular section 10 that is widened in comparison.
  • the tubular section 10 is connected by the conical transition 9 to a tubular section 11 that is widened in comparison.
  • the inner diameter of the widened section 11 is slightly larger than the diameter of the spring 8. The widened section 11 therefore serves u. a. the hold and guidance of the spring 8 when it is tensioned further to open the valve.
  • the hollow cylindrical valve body 6 is closed at the lower end with a rod 12.
  • the rod 12 extends into a cylinder 13.
  • the inside diameter of the cylinder 13 is larger than the outside diameter of the rod 12, so that a free space 14 remains between the cylinder 13 and the rod 12.
  • valve body 6 The end of the hollow cylindrical valve body 6 opposite the rod 12 is open.
  • the valve body 6 in the vicinity of the rod 12 has lateral openings 15 which are connected to its interior in a gas-conducting manner or lead into its interior. If the valve body 6 is pressed down by a liquid pressure or mechanically until the lateral openings 15 enter the widened section 11, the valve is opened. They show the open state of the valve Figures 2 and 3rd .
  • a turning handle 16 also called a handwheel.
  • the cylinder 13 can be moved back and forth between a closed position and an open position by turning the rotary handle or handwheel 16 accordingly.
  • the Figure 1 shows the closed position of the cylinder 13.
  • a sealing ring 17 at the lower end of the cylinder 13 is then pressed against a slope 18 for closing. This lock is released by moving the cylinder upwards by turning the rotary handle 16 accordingly.
  • the Figure 4 shows the open position of the cylinder 13.
  • the cylinder 13 is sealed by sealing rings 19 against a section 21 of the housing wall of the fitting 1.
  • cylinder 13 is sealed by sealing rings 20 against a cylindrical lower section 22 of the rotary handle 16.
  • the sealing rings 19 and 20 prevent gas escaping from the fitting.
  • the rotary handle 16 is rotatably held by a ball bearing 23.
  • a cap 24 is screwed onto the housing section 21 so as to rotatably connect the rotary handle 16 to the housing section 21.
  • the fitting 1 has two openings 25 and 26 on the underside (see in particular the three-dimensional representation of FIG Figure 5 ).
  • This underside is located in the gas bottle or in the bottle neck when the fitting is connected to a gas bottle as intended.
  • the opening 25 is located at the lower end of a tubular or tubular line 27 at the bottom of a correspondingly connected gas bottle. Via this opening 25, the gas bottle is filled with gas or valve gas is sucked off after opening the valve with the valve body 6. Via the other opening 26, gas is withdrawn from the bottle for consumption by a consumer connected to the gas tap 2, namely after the gas tap has been opened by turning the rotary handle 16 accordingly.
  • the opening 26 is connected to an inner opening 28 in a gas-conducting manner.
  • a hollow cylindrical section 29 which is provided in the transition region between the rod 12 and section 29 with an opening 30. If the valve body 6 is pressed downward, the hollow cylindrical section 29 is pressed against a sealing ring 31 which is located at the lower end of a guide 32.
  • the Figure 1 shows the case that the valve 1 is closed. Sucking off or filling is not possible because the valve is closed. It is not possible to withdraw gas via the gas tap 2, since this is prevented by pressing the sealing ring 17 against the bevel 18, that is to say the gas tap is closed.
  • the Figure 2 illustrates the filling via the valve 1.
  • the side connector 2 is closed and the funnel-shaped opening 4 is connected to a filling head, not shown, which is pressed liquid-tight against the sealing ring 5 in the funnel-shaped opening 3.
  • This will make the Figure 1 shown opening 28 closed.
  • a gas-conducting connection between the gas tap and the opening 26 located on the underside is thus interrupted. It is now liquefied gas the arrow 33 pumped into the funnel-shaped opening 3.
  • the valve body 6 is pressed down until the hollow cylindrical section 29 is pressed against the sealing ring 31.
  • the lateral openings 15 of the valve body 6 are now in the widened tubular section 11.
  • the liquid gas pumped in along the arrow 33 can now emerge from the openings 15 of the valve body 6, specifically into the widened tubular section 11.
  • the liquid gas can flow around the lower section of the valve body 6, as the arrows 34 show.
  • the liquid gas flows into the intermediate space 14 between the rod 12 and the housing section 21 and, as shown by the arrows 35 and 36, enters the tubular or tubular line 27.
  • the liquid gas then emerges from the fitting 1 according to arrow 37 and thus reaches the bottom of a gas bottle, not shown, to which the fitting 1 is attached.
  • the Figure 2 illustrates that the hollow cylindrical section 29 has a smaller outer diameter 38 in an upper region, so in the case of FIGS Figure 2 to create such a distance from the adjacent housing inner wall that a gas flow according to arrow 36 is possible.
  • valve body 6 For suction or emptying, the valve body 6 is pressed down mechanically by a mandrel or socket of a suction head placed on the funnel 3. Following this, liquid gas can be extracted in accordance with arrows 39 to 43, as in the Figure 3 shown. Since suction is carried out from the bottom due to the hose or tube 27, this ensures that liquefied gas is removed and no gaseous atmosphere above the liquid level in the gas bottle. A liquid gas bottle can therefore be pumped empty quickly and with little effort.
  • the Figure 4 shows the valve 1 in the open state of the gas tap 2 and in the closed state of the valve.
  • the gas tap 2 is open because the valve body 6 is in its closed position and the cylinder 13 is moved upward by rotating the unit 16 and therefore the sealing ring 17 has been removed from the bevel 18.
  • the gas which is located above the liquid level in the liquid gas bottle, can now enter the opening 26 according to the arrow 44 and flow to the inside opening 28.
  • the gas passes from the opening 28 according to arrow 45 into the interior of the hollow cylindrical section 29.
  • the gas then exits via the opening 30 at the upper end of the hollow cylindrical section 29 and, according to the arrow illustration 46, enters the intermediate space 14. Since there is now a distance between the sealing ring 17 and the bevel 18, the gas can flow further into the nozzle of the gas tap 2 according to the arrow representation 47 and can be passed on to the consumer from here according to the arrow 48.
  • Such a fitting in a corresponding embodiment, advantageously achieves the fact that either gas can be withdrawn via the gas tap or that refilling or emptying can take place via the central opening 3. It cannot then be refilled at the same time and gas can be withdrawn via the gas tap.
  • the procedure for refilling also provides for emptying in the event that a gas leak is found. Emptying in particular can take place particularly quickly, since liquid is pumped out and not gas.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Lift Valve (AREA)
EP19210220.0A 2014-11-12 2015-10-28 Armature pour bouteilles de gaz liquide ainsi que procédé de remplissage Active EP3660381B9 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14192891.1A EP3021034B1 (fr) 2014-11-12 2014-11-12 Armature pour bouteilles de gaz liquide et procédé de remplissage
EP15797869.3A EP3218642B1 (fr) 2014-11-12 2015-10-28 Armature pour bouteilles de gaz liquide et procédé de remplissage
PCT/EP2015/074950 WO2016074923A1 (fr) 2014-11-12 2015-10-28 Ferrure destinée à des bouteilles de gaz liquide et procédé de remplissage

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP15797869.3A Division EP3218642B1 (fr) 2014-11-12 2015-10-28 Armature pour bouteilles de gaz liquide et procédé de remplissage
PCT/EP2015/074950 Previously-Filed-Application WO2016074923A1 (fr) 2014-11-12 2015-10-28 Ferrure destinée à des bouteilles de gaz liquide et procédé de remplissage

Publications (4)

Publication Number Publication Date
EP3660381A1 true EP3660381A1 (fr) 2020-06-03
EP3660381C0 EP3660381C0 (fr) 2023-08-30
EP3660381B1 EP3660381B1 (fr) 2023-08-30
EP3660381B9 EP3660381B9 (fr) 2023-10-18

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EP19210220.0A Active EP3660381B9 (fr) 2014-11-12 2015-10-28 Armature pour bouteilles de gaz liquide ainsi que procédé de remplissage
EP15797869.3A Active EP3218642B1 (fr) 2014-11-12 2015-10-28 Armature pour bouteilles de gaz liquide et procédé de remplissage

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EP (3) EP3021034B1 (fr)
JP (1) JP6612341B2 (fr)
KR (1) KR102440912B1 (fr)
CN (1) CN107002946B (fr)
AU (1) AU2015345387B2 (fr)
CA (1) CA2964439C (fr)
DK (1) DK3218642T3 (fr)
EA (1) EA033994B1 (fr)
ES (1) ES2773443T3 (fr)
HK (1) HK1224357A1 (fr)
HR (1) HRP20200242T1 (fr)
HU (1) HUE047970T2 (fr)
MA (2) MA40947B1 (fr)
ME (1) ME03634B (fr)
MX (1) MX2017006187A (fr)
PL (1) PL3218642T3 (fr)
PT (1) PT3218642T (fr)
RS (1) RS59947B1 (fr)
SI (1) SI3218642T1 (fr)
TN (1) TN2017000132A1 (fr)
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ZA (1) ZA201702728B (fr)

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US11808408B2 (en) 2018-08-14 2023-11-07 CleanTech Swiss AG Fitting for liquid gas bottles
EP3696408B1 (fr) 2019-02-07 2023-06-07 CleanTech Swiss AG Pompe à piston
EP3693652B1 (fr) 2019-02-07 2023-07-12 CleanTech Swiss AG Station de remplissage pour bouteilles à gaz et véhicules automobiles
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KR102286720B1 (ko) * 2019-12-05 2021-08-06 주식회사 케이엘테크 고압가스 용기용 밸브유닛
CN114517888A (zh) * 2022-03-09 2022-05-20 浙江工业大学 一种基于自增强理论的站用储氢气瓶及储气瓶组

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Also Published As

Publication number Publication date
PL3218642T3 (pl) 2020-08-24
MA40947A (fr) 2017-09-20
CN107002946A (zh) 2017-08-01
EP3021034B1 (fr) 2019-04-24
EA033994B1 (ru) 2019-12-17
ZA201702728B (en) 2021-05-26
MX2017006187A (es) 2018-01-23
MA40947B1 (fr) 2021-04-30
AU2015345387A1 (en) 2017-04-27
EP3660381C0 (fr) 2023-08-30
ES2773443T3 (es) 2020-07-13
EP3218642B1 (fr) 2019-11-27
MA52406A (fr) 2021-01-06
RS59947B1 (sr) 2020-03-31
TN2017000132A1 (en) 2018-10-19
KR102440912B1 (ko) 2022-09-06
JP2018503032A (ja) 2018-02-01
ME03634B (fr) 2020-07-20
SI3218642T1 (sl) 2020-07-31
EP3218642A1 (fr) 2017-09-20
HRP20200242T1 (hr) 2020-05-15
DK3218642T3 (da) 2020-03-02
CN107002946B (zh) 2020-04-21
US10738945B2 (en) 2020-08-11
US20170350559A1 (en) 2017-12-07
CA2964439C (fr) 2023-03-28
WO2016074923A1 (fr) 2016-05-19
HUE047970T2 (hu) 2020-05-28
KR20170092149A (ko) 2017-08-10
CA2964439A1 (fr) 2016-05-19
EP3660381B9 (fr) 2023-10-18
JP6612341B2 (ja) 2019-11-27
EP3660381B1 (fr) 2023-08-30
AU2015345387B2 (en) 2019-11-07
HK1224357A1 (zh) 2017-08-18
EP3021034A1 (fr) 2016-05-18
PT3218642T (pt) 2020-02-25
EA201790955A1 (ru) 2017-11-30

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