EP3088791A1 - Cartouche perforable pour gaz liquéfié équipée d'un dispositif de sécurità - Google Patents
Cartouche perforable pour gaz liquéfié équipée d'un dispositif de sécurità Download PDFInfo
- Publication number
- EP3088791A1 EP3088791A1 EP16162368.1A EP16162368A EP3088791A1 EP 3088791 A1 EP3088791 A1 EP 3088791A1 EP 16162368 A EP16162368 A EP 16162368A EP 3088791 A1 EP3088791 A1 EP 3088791A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cartridge
- perforable
- safety device
- lateral wall
- support
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 208000035193 Ring chromosome 10 syndrome Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
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
- 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
- F17C13/005—Details of vessels or of the filling or discharging of vessels for medium-size and small storage vessels not 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
-
- 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
- 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
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0617—Single wall with one layer
-
- 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
- F17C2205/0311—Closure means
- F17C2205/032—Closure means pierceable
-
- 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
- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0391—Arrangement of valves, regulators, filters inside 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
- F17C2223/03—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
- F17C2223/033—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
- 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
- F17C2270/07—Applications for household use
- F17C2270/0709—Camping gas
Definitions
- the present invention regards cartridges for liquefied gas under pressure of the type for example utilisable for camping stoves and lanterns and the like.
- cartridges consist in a generally cylindrical casing with a lateral wall and an upper wall having a central perforable portion.
- such cartridges must be internally provided with a safety device having the function of limiting gas leakage, following the perforation of the gas cylinder, should the user apparatus be removed.
- the safety device for the perforable cartridges in question consists in a valve with a spring check valve carried by a support fixed to the upper wall of the cartridge around the perforable portion thereof.
- Such support is in this case constituted by a drinking-glass-shaped element whose upper edge is welded to the wall of the cartridge. The welding implies additional difficulties and costs in the cartridge manufacturing process.
- a different solution described and illustrated in document EP-1406041A1 , provides for a sealing facing the perforable part and biased against the latter by an elastic element formed by a metal strip that has at least two support points directly against at least one inner wall of the cartridge.
- This solution allows avoiding welding but causes some instability to the sealing, which is directly over-moulded on the metal strip. When using the cartridge, this instability could lead to the malfunctioning of the safety device.
- a third solution known from document EP-2803897A1 and devised to overcome the drawbacks of the previous solutions, provides for an elastic ring engaged on an inner annular projection of the lateral wall of the cartridge and to which an elastic strip carrying the sealing is engaged, pressed around the perforable portion of the upper wall.
- this solution however implies a certain degree of complication in terms of construction and assembly of the safety device in the cartridge.
- the object of the invention is to overcome the aforementioned technical drawbacks of the known solutions, avoiding the need for welding and problems related to the instability of the safety device on the one hand and considerably facilitating the manufacture and assembly of the safety device in the cartridge on the other, thus reducing production costs.
- this object is attained thanks to a cartridge for liquefied gas of the type defined in the pre-characterising part of claim 1, and generally corresponding to the prior art known from document EP-2803897A1 , whose distinctive characteristic lies in the fact that the spring is a helical compression spring and the support is formed in one piece with an array of rigid radial arms whose radially outer ends are engaged upon said inner annular projection of the lateral wall of the cartridge.
- the aforementioned radially outer ends of the rigid radial arms are conveniently connected to each other by an integral peripheral ring, and such rigid radial arms are preferably arched with the convexity thereof facing towards the upper wall of the cartridge.
- the cartridge for liquefied gas comprises a casing shaped to form a substantially cylindrical gas cylinder 1 and an upper wall 3 formed of one piece made of deep-drawn strip, and a bottom wall 4 fixed to the edge of the lateral wall 2 by crimping.
- the upper wall 3 has, in an entirely usual fashion, a recessed central part 5 which is perforable due to the thrust-introduction of a perforator that gas-fuelled devices such as stoves, lanterns, heaters and other similar devices are conventionally provided with.
- the lateral wall 2 is formed, in proximity of the upper wall 3, with an inner annular projection 6 which constitutes a perimeter peripheral support for a safety device indicated in its entirety with 7 and illustrated in larger detail in figures 2-4 .
- the safety device 7 comprises a body made of moulded plastic material forming - in a single piece - an array of radial arms 8 (four of which are illustrated angularly equally spaced from each other in the example) centrally joined to a drinking-glass-shaped support 9 and whose radially outer ends are connected to each other by means of a peripheral ring 10.
- the arms 8 are rigid, i.e. they are substantially undeformable under bending according to the axis of the safety device 7: for this purpose, they have a considerable axial thickness, clearly visible in figure 1 , and they are conveniently arched with the convexity thereof facing towards the upper wall 3 of the cartridge 1.
- the support 9, which is drinking-glass-shaped and integrally formed with the radial arms 8 as mentioned, contains a helical compression spring 13 on which an obturator 14, also made of moulded plastic material rests, forming - in a single piece - a head 15 and a stem 16.
- the head 15 is hollow and internally bears an o-ring seal 17 usually pressed, by the action of the helical spring 13, against the central perforable portion 5 of the cartridge 1.
- the stem 16 extends in an axially slidable fashion through the support 9 and traverses, with a projecting end part 16a, the bottom wall 18 thereof. As better observable in figure 3 , such bottom wall 18 has a hole 19 delimited by elastically deformable portions 20 through which the projection 16a is adapted to be engaged irreversibly.
- the rigidity of the radial arms 8 allows the obturator 14 to be pushed downwards, against the action of the helical spring 13, so as to allow the outflow of the gas. Should the device be removed, the helical spring 13 returns the obturator 14 against the upper wall 3, thus pressing the o-ring seal 17 around the edge of the perforation.
- the safety device 7 can be inserted into the cartridge 1 in a manner that is equally simple and capable of ensuring, in use, maximum stability and precision to close the perforable portion 5 once again following the perforation thereof.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO20150187 | 2015-03-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3088791A1 true EP3088791A1 (fr) | 2016-11-02 |
EP3088791B1 EP3088791B1 (fr) | 2018-01-31 |
EP3088791B8 EP3088791B8 (fr) | 2018-05-16 |
Family
ID=53189984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16162368.1A Active EP3088791B8 (fr) | 2015-03-27 | 2016-03-24 | Cartouche perforable pour gaz liquéfié équipée d'un dispositif de sécurité |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3088791B8 (fr) |
ES (1) | ES2664448T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019002895A1 (fr) * | 2017-06-27 | 2019-01-03 | Igm Techniki Emporiki Epe | Bague de limitation de circulation des gaz vers un récipient de diamètre fluctuant |
IT202100014129A1 (it) * | 2021-05-31 | 2022-12-01 | Plein Air Int S R L | Cartuccia di fluido in pressione |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1406041A2 (fr) | 2002-10-03 | 2004-04-07 | Guilbert Express S.A. | Dispositif de sécurité pour cartouche perforable |
FR2901863A1 (fr) | 2006-06-06 | 2007-12-07 | Applic Des Gaz Soc Par Actions | Cartouche de gaz combustible liquide |
EP2803897A2 (fr) | 2013-05-13 | 2014-11-19 | Providus S.r.l. | Cartouche perforable pour gaz liquéfié avec un dispositif de sécurité |
-
2016
- 2016-03-24 EP EP16162368.1A patent/EP3088791B8/fr active Active
- 2016-03-24 ES ES16162368.1T patent/ES2664448T3/es active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1406041A2 (fr) | 2002-10-03 | 2004-04-07 | Guilbert Express S.A. | Dispositif de sécurité pour cartouche perforable |
FR2901863A1 (fr) | 2006-06-06 | 2007-12-07 | Applic Des Gaz Soc Par Actions | Cartouche de gaz combustible liquide |
EP2803897A2 (fr) | 2013-05-13 | 2014-11-19 | Providus S.r.l. | Cartouche perforable pour gaz liquéfié avec un dispositif de sécurité |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019002895A1 (fr) * | 2017-06-27 | 2019-01-03 | Igm Techniki Emporiki Epe | Bague de limitation de circulation des gaz vers un récipient de diamètre fluctuant |
IT202100014129A1 (it) * | 2021-05-31 | 2022-12-01 | Plein Air Int S R L | Cartuccia di fluido in pressione |
EP4098930A1 (fr) * | 2021-05-31 | 2022-12-07 | Plein Air International S.r.l. | Cartouche de fluide sous pression |
Also Published As
Publication number | Publication date |
---|---|
EP3088791B1 (fr) | 2018-01-31 |
ES2664448T3 (es) | 2018-04-19 |
EP3088791B8 (fr) | 2018-05-16 |
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