EP3368812B1 - Ventil für einen zylinder mit druckgas - Google Patents

Ventil für einen zylinder mit druckgas Download PDF

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Publication number
EP3368812B1
EP3368812B1 EP16794542.7A EP16794542A EP3368812B1 EP 3368812 B1 EP3368812 B1 EP 3368812B1 EP 16794542 A EP16794542 A EP 16794542A EP 3368812 B1 EP3368812 B1 EP 3368812B1
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EP
European Patent Office
Prior art keywords
discharging valve
valve
hollow body
discharging
piston
Prior art date
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Active
Application number
EP16794542.7A
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English (en)
French (fr)
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EP3368812A1 (de
Inventor
Massimo MANTEGAZZA
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Mantegazza Srl
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Mantegazza Srl
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Publication of EP3368812A1 publication Critical patent/EP3368812A1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • 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
    • F17C2201/05—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
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0382—Constructional details of valves, regulators
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • 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
    • 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
    • F17C2270/07—Applications for household use
    • 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
    • F17C2270/0772—Inflation devices, e.g. for rescue vests or tyres

Definitions

  • the present invention relates to a discharging valve for a cylinder containing pressurized gas for inflating balloons.
  • Cylinders containing pressurized gas are known, such as disposable cylinders containing helium gas for inflating balloons.
  • a cylinder consists of an enclosed tank comprising a tank containing a pressurized gas. Said cylinder tank is closed from above by an upper valve which comprises a pressurized sealed shutter. Said shutter slides in a hollow body of the upper valve, thus causing said valve to pass from a closed position to an open position. The upper portion of the shutter extends outward from the upper valve and is protected by an upper wall of the hollow body of the upper valve. By mechanically pressing the shutter toward the inside of the cylinder tank, the upper valve passes to an open position, thus allowing the pressurized gas to be released externally.
  • the shutter Due to the pressure of the gas contained in the tank, which usually is from 85 to 110 bar, the shutter cannot be pressed by a button toward the inside of the tank, but requires a rotating discharging valve which may be screwed to the upper valve or unscrewed and removed from the upper valve.
  • Said upper wall of the hollow body of the upper valve is externally threaded to allow the separable rotating discharging valve to be mounted by means of screwing.
  • a rotating discharging valve of the prior art consists of a hollow body comprising a discharging spout and a lower internal cavity comprising a thread adapted to be screwed onto the corresponding thread of the upper wall of the hollow body of the upper valve.
  • the rotation of the discharging valve dispenses a larger amount of gas than the volume of gas required to inflate a balloon.
  • there is a need to perform several operations quickly in sequence to inflate a balloon i.e. to mount a mouth of the balloon on the spout of the discharging valve, then to screw the discharging valve up to causing the upper valve to pass to the open position, and once the balloon has been inflated, there is a need to unscrew the discharging valve again to cause the upper valve to return to the closed position.
  • discharging valves exist in the prior art, but they disadvantageously are complex discharging valves because they comprise at least one pressurized chamber and comprise various parts which cannot be molded from plastic material or which should be mounted together in a complicated manner.
  • US3643691 , GB2085567 , EP0183263 are pressure valves and comprise a pressurized chamber, a siphon and a shutter.
  • Said pressurized chamber is pressure mounted with the siphon.
  • Said siphon enters the cylinder.
  • the shutter mounts a gasket and is pressure mounted inside the pressurized chamber.
  • the shutter slides from the pressurized chamber up to the inside of the siphon, thus being inside the cylinder.
  • the shutter presses a cylinder-shaped valve portion which is pressure mounted with the siphon by means of a spring.
  • said pressure valves are to be resistant and comprise various parts which cannot be molded from a plastic material or which should be pressure mounted together due to safety issues of the cylinder.
  • a cylinder 1 which consists of an enclosed tank 10 containing pressurized gas.
  • Said enclosed tank 10 comprises an upper opening which is closed to pressure by means of an upper valve 2 of cylinder 1 which passes from a closed position for maintaining the pressurized gas inside tank 10 to an open position for releasing the gas contained in tank 10.
  • Said upper valve 2 is firmly engaged in the upper opening of the tank.
  • the upper valve 2 consists of a hollow body 20 which penetrates the upper opening of tank 10.
  • the hollow body 20 comprises an internal cavity 200 in which a sealed shutter 3 of the upper valve 2 slides.
  • Said upper valve 2 comprises said sealed shutter 3 which is adapted to slide in the internal cavity 200 of the hollow body 20 of the upper valve 2, from a sealing position to a releasing position of the gas.
  • the sealing position of shutter 3 corresponds to the closed position of the upper valve 2, while the releasing position of shutter 3 corresponds to the open position of the upper valve 2.
  • the hollow body 20 comprises at least one lower portion which is a lower stop 21 and is adapted to be engaged by a lower portion 31 of shutter 3.
  • Said lower stop 31 is obtained from an enlargement of diameter of a lower portion 201 of the internal cavity 200 of the hollow body 20.
  • Said lower portion 31 of shutter 3 has a complementary shape with respect to the lower stop 21 of the hollow body 20 so as to keep the upper valve 2 in the closed position. When shutter 3 is engaged with the lower stop 21 of the hollow body 20, it keeps the upper valve 2 in the closed position.
  • the hollow body 20 comprises an upper portion comprising an upper wall 22 which extends upward to form a hollow cylinder around an upper portion 32 of the sealed shutter 3.
  • the upper portion 32 of shutter 3 extends outward from the upper valve 2 and is protected by the upper wall 22 of the hollow body 20 of the upper valve 2.
  • the pressurized gas contained in tank 10 of the cylinder is helium gas.
  • the helium gas contained in tank 10 has an initial pressure comprised between 50 and 200 bar when cylinder 1 is completely full, which is a relatively high pressure.
  • shutter 3 In order to be pressed toward the inside of tank 10, shutter 3 should exceed a relatively high pressure force.
  • Said upper wall 22 of the hollow body 20 of the upper valve 2 is threaded externally to allow a separable discharging valve 4 to be mounted by means of screwing.
  • the discharging valve 4 is made of a molded plastic material.
  • the discharging valve 4 can be molded in one piece of plastic material to advantageously simplify the production and mounting in place on the upper valve 2 of cylinder 1.
  • the discharging valve 4 can be screwed on the upper valve 2, but contrarily to the discharging valves of the prior art, during the rotation of the discharging valve 4 to screw it onto the upper valve 2 of cylinder 1, a piston 5 of the discharging valve 4 does not press the upper portion 32 of the shutter 3 of the upper valve 2 and does not cause the upper valve 2 to pass to the open position, but leaves the upper valve 2 in the closed position.
  • the discharging valve 4 completely screwed onto the upper valve 2 advantageously keeps the upper valve 2 in the closed position, thus not allowing the gas of the tank 10 of cylinder 1 to be released.
  • the discharging valve 4 consists of a hollow body 40 comprising a discharging spout 45 and an internal cavity 400 of the hollow body 40.
  • the discharging spout 45 and the internal cavity 400 of the hollow body are adapted to allow the release of the gas from the tank 10 of cylinder 1 when the upper valve 2 is in the open position.
  • the discharging spout 45 is facing the front direction to direct the gas flow toward the front. It is worth noting that the internal cavity 400 is at ambient pressure.
  • the hollow body 40 of the discharging valve 4 comprises a lower portion 41 comprising a thread adapted to be screwed on the corresponding thread of the upper wall 22 of the hollow body 20 of the upper valve 2.
  • the discharging valve 4 comprises a lever 44 hinged at a fulcrum F with an upper portion 42 of the hollow body 40 of the discharging valve 4.
  • said lever 44 of the discharging valve 4 is hinged with the rear upper portion 42 of the hollow body 40 of the discharging valve 4 so that lever 44 can rotate toward the front where there is the discharging spout 45.
  • the discharging valve 4 slidably mounts said piston 5 in the internal cavity 400 of the hollow body 40 of the discharging valve 4.
  • Piston 5 is cylindrical-shaped. An upper portion 52 of piston 5 is engaged by lever 44, while a lower portion 51 of piston 5 is in contact with the upper portion 32 of shutter 3 of the upper valve 2 of cylinder 1.
  • Piston 5 comprises a disc-shaped membrane 54.
  • Said membrane 54 is elastic and allows the sliding of piston 5 to be bound inside the internal cavity 400 of the hollow body 40 of the discharging valve 4. The binding of the sliding of piston 5 depends on the plastic material and on the thickness of membrane 54.
  • the disc of membrane 54 is adapted to cover from above the internal cavity 400 of the discharging valve 4, thus avoiding the gas from being released externally.
  • membrane 54 are mounted with the edges of the upper portion 42 of the hollow body 40 of the discharging valve 4.
  • Piston 5 the membrane 54 of piston 5 are one piece with the discharging valve 4, as shown in particular in Figures 10 to 12 .
  • Lever 44 of the discharging valve 4 presses against the upper portion 52 of piston 5 in a point where there is provided a lower seat 445 dug on the lower wall of lever 44, the seat being adapted to advantageously facilitate the engagement between lever 44 and the upper portion 52 of piston 5.
  • Said lower seat 445 of lever 44 is at a distance D from fulcrum F which hinges lever 44 with the upper portion 42 of the hollow body 40 of the discharging valve 4. Said distance D is greater than zero.
  • the length of lever 44 corresponds to the length of the arm of a mechanical lever.
  • the longer lever 44 is, the less force is required to press lever 44 externally to press piston 5 against shutter 3 so that shutter 3 is pressed downward inside the tank 10 of cylinder 1, thus causing the upper valve 2 to pass from the closed position to the open position and allowing the helium gas to pass from tank 10 to the outside.
  • an adapter 6 for inflating balloons is provided.
  • Said adapter 6 is hollow and has an internal cavity 600 which traces the shape of the hollow spout 45 of the discharging valve 4.
  • Said internal cavity 600 of adapter 6 is adapted to be pressed by contact on the hollow spout 45.
  • adapter 6 may be screwed onto the outer wall of the hollow spout 45.
  • the membrane 54 of piston 5 is sufficiently elastic to allow piston 5 to be pressed by lever 44 toward the inside of the internal cavity 400 of the hollow body 40 of the discharging valve 4 without membrane 54 breaking. Said membrane 54 is elastic and binds the sliding of piston 5 inside the internal cavity 400 of the hollow body 40 of the discharging valve 4.
  • the user exerts an external downward thrust force on lever 44, which rotates on fulcrum F and presses piston 5 toward the inside of the internal cavity 400 of the hollow body 40 of the discharging valve 4 up to sliding shutter 3 inside the hollow body 20 of the upper valve 2 of cylinder 1 and causing said upper valve 2 to pass from the closed position to the open position.
  • the gas In the open position, the gas is released from the tank 10 of cylinder 1 through the internal cavity 200 of the upper valve 2, passes inside the internal cavity 400 of the discharging valve 4 and is channeled outward in the hollow spout 45.
  • said lever 44 of the discharging valve 4 may be hinged with the front upper portion 42 of the hollow body 40 of the discharging valve 4 so that lever 44 can rotate toward the rear, where there is a handle 440.
  • Said handle 440 is on the opposite side with respect to the discharging spout 45.
  • An internal wall of lever 44 directed toward piston 5 and toward handle 440 mounts a membrane which allows to flex and press piston 5 toward the inside of the internal cavity 400 of the hollow body 40 of the discharging valve 4 so that piston 5 may press on shutter 3 and cause the upper valve to pass from the closed position to the open position.
  • piston 5 of the discharging valve 4 is one piece only with the membrane 54 of piston 5.
  • Piston 5 is mounted from below with the internal cavity 400 of the hollow body 40 of the discharging valve 4. It is worth noting that piston 5 is mounted at ambient pressure and does not enter the pressurized cylinder, indeed said upper portion 32 of shutter 3 extends outward from the upper valve 2 and is protected by the upper wall 22 of the hollow body 20 of the upper valve 2 and said discharging valve 4 is externally mounted on said upper wall 22 of said hollow body 20 of the upper valve 2.
  • the discharging valve 4 does not have parts which enter the tank 10 of cylinder 1, therefore pressurized parts advantageously are not required and a pressurized chamber is not required.
  • an upper portion 52 of piston 5 enters a through opening 420 of the upper portion 42 of the hollow body 40 of the discharging valve 4 up to the disc-shaped stop membrane 54 of piston 5 coming into abutment with a lower wall of the upper portion 42 which closes from above the internal cavity 400 of the hollow body 40 of the discharging valve 4.
  • the membrane 54 of piston 5 mounts a sealing sheath for avoiding the gas from being released from above and not from the hollow spout 45.
  • the upper wall 22 of the hollow body 20 of the upper valve 2 may be engaged with the lower wall 41 of the hollow body 40 of the discharging valve 4 by means of pressure stops.
  • the upper wall 22 of the hollow body 20 of the upper valve 2 may not to be threaded and the discharging valve 4 may not to be screwed with the upper valve 2, but pressure engaged together.
  • lever 44 of the discharging valve 4 may press directly against the upper portion 32 of shutter 3 in a point where there is provided a lower seat 445 dug on the lower wall of lever 44, the seat adapted to advantageously facilitate the engagement between lever 44 and the upper portion 32 of shutter 3.
  • the discharging valve 4 comprises lever 44 hinged at fulcrum F with the upper portion 42 of the hollow body 40 of the discharging valve 4, said lever 44 of the discharging valve 4 presses shutter 3 in the point at a distance D (other than zero), from fulcrum F, causing shutter 3 to pass from the sealing position to the releasing position of the gas.
  • the discharging valve 4 of cylinder 1 of the present invention is much more simplified, so much so as to making the production of the discharging valve 4 as a plastic material mold simpler.
  • cylinder 1 has simplified gas dispensing, the discharging valve 4 of cylinder 1 allows the gas dispensing to be quantized by pressing on lever 44 for the time required to inflate the balloon.
  • the discharging valve 4 of the helium cylinder 1 is highly safe, given that by releasing lever 44, the gas flow stops since shutter 3 is pressed upward by the internal pressure of the gas contained in the tank 10 of cylinder 1.
  • the discharging valve 4 can be molded in one piece, thus simplifying production.
  • the discharging valve 4 of the present invention does not comprise any pressurized chambers, indeed no part of the discharging valve 4 enters the siphon and no piston 5 of the discharging valve 4 enters the pressurized chamber or the siphon of cylinder 1.
  • the discharging valve 4 is advantageously simplified because the piston 5 of the discharging valve does not require mounting any gasket to keep the pressurized chambers pressurized, since the discharging valve 4 is mounted externally at ambient pressure on said upper wall 22 of said hollow body 20 of the upper valve 2.

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

Claims (11)

  1. Auslassventil (4) eines Zylinders (1), wobei der Zylinder (1) aus einem geschlossenen Tank (10) gebildet ist, der Druckgas enthält, wobei der geschlossene Tank (10) eine obere Öffnung aufweist, die mittels eines oberen Ventils (2) des Zylinders (1) bezüglich Druck geschlossen wird, wobei das obere Ventil (2) dazu geeignet ist, von einer geschlossenen Stellung, die den Gasdruck im Inneren des geschlossenen Tanks (10) hält, in eine offene Stellung überzugehen, die die Freisetzung des in dem geschlossenen Tank (10) enthaltenen Gases ermöglicht, wobei das obere Ventil (2) aus einem Hohlkörper (20) gebildet ist, der einen inneren Hohlraum (200) aufweist, wobei das obere Ventil (2) einen abgedichteten Verschluss (3) aufweist, der dazu ausgelegt ist, innerhalb des inneren Hohlraums (200) des Hohlkörpers (20) des oberen Ventils (2) aus einer Dichtungsstellung in eine Freisetzungsstellung des Gases zu gleiten, wobei die Dichtungsstellung des Verschlusses (3) der geschlossenen Stellung des oberen Ventils (2) entspricht und die Freisetzungsstellung des Verschlusses (3) der geöffneten Stellung des oberen Ventils (2) entspricht, wobei der Hohlkörper (20) des oberen Ventils (2) eine obere Wand (22) aufweist, wobei das Auslassventil (4) außen an der oberen Wand (22) des Hohlkörpers (20) des oberen Ventils (2) montiert ist, wobei das Auslassventil (4) aus einem Hohlkörper (40) gebildet ist, der eine hohle Abgabetülle (45) und einen inneren Hohlraum (400) des Hohlkörpers (40) umfasst, wobei der Hohlkörper (40) des Auslassventils (4) einen unteren Abschnitt (41) umfasst, der dazu ausgelegt ist, mit der oberen Wand (22) des Hohlkörpers (20) des oberen Ventils (2) montiert zu werden, wobei die Abgabetülle (45) und der innere Hohlraum (400) des Hohlkörpers (40) des Auslassventils (4) so ausgelegt sind, dass das Gas aus dem Tank (10) des Zylinders (1) freigesetzt werden kann, wenn sich das obere Ventil (2) in der geöffneten Stellung befindet, wobei das Auslassventil (4) einen Hebel (44) umfasst, der an einer Drehachse (F) mit einem oberen Abschnitt (42) des Hohlkörpers (40) des Auslassventils (4) gelenkmäßig verbunden ist, wobei das Auslassventil (4) einen Kolben (5) umfasst, wobei der Hebel (44) des Auslassventils (4) an einem Punkt in einem Abstand (D) von der Drehachse (F) auf den Kolben (5) drückt, wobei der Kolben (5) dazu ausgelegt ist, gegen den Verschluss (3) zu drücken, um den Verschluss (3) von der Dichtungsstellung in die Freisetzungsstellung des Gases zu führen, wobei der Kolben (5) einen oberen Abschnitt (52), der so ausgelegt ist, dass der Hebel (44) in Angriff damit gebracht werden kann, und einen unteren Abschnitt (51) des Kolbens (5), der mit einem oberen Abschnitt (32) des Verschlusses (3) des oberen Ventils (2) des Zylinders (1) in Kontakt ist, umfasst, dadurch gekennzeichnet, dass das Auslassventil (4) eines Zylinders (1) zum Aufblasen von Ballons vorgesehen ist, wobei sich die obere Wand (22) nach oben erstreckt, um einen hohlen Zylinder um einen oberen Abschnitt (32) des Verschlusses (3) zu bilden, wobei der obere Abschnitt (32) des Verschlusses (3) sich von dem oberen Ventil (2) nach außen erstreckt und der obere Abschnitt (32) des Verschlusses (3) durch die obere Wand (22) des Hohlkörpers (20) des oberen Ventils (2) geschützt ist, wobei der Kolben (5) gleitbar innerhalb des inneren Hohlraums (400) des Hohlkörpers (40) des Auslassventils (4) montiert ist, wobei das Auslassventil (4) aus einem geformten Kunststoffmaterial gebildet ist.
  2. Auslassventil (4) nach Anspruch 1, dadurch gekennzeichnet, dass der Kolben (5) eine Membran (54) umfasst und Ränder der Membran (54) integral mit dem oberen Abschnitt (42) des Hohlkörpers (40) des Auslassventils (4) montiert sind, wobei die Membran (54) elastisch ist und das Gleiten des Kolbens (5) innerhalb des inneren Hohlraums (400) des Hohlkörpers (40) des Auslassventils (4) beschränkt.
  3. Auslassventil (4) nach Anspruch 2, dadurch gekennzeichnet, dass der Kolben (5) und die Membran (54) des Kolbens (5) mit dem Auslassventil (4) einstückig gebildet sind.
  4. Auslassventil (4) nach Anspruch 1, dadurch gekennzeichnet, dass der Kolben (5) des Auslassventils (4) von unten mit dem inneren Hohlraum (400) des Hohlkörpers (40) des Auslassventils (4) montiert ist, der obere Abschnitt (52) des Kolbens (5) in eine Durchgangsöffnung (420) des oberen Abschnitts (42) des Hohlkörpers (40) des Auslassventils (4) eintritt, bis eine Anschlagmembran (54) des Kolbens (5) mit einer unteren Wand des oberen Abschnitts (42) in Berührung kommt, die den inneren Hohlraum (400) des Hohlkörpers (40) des Auslassventils (4) von oben schließt.
  5. Auslassventil (4) nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dass der Hebel (44) des Auslassventils (4) mit dem hinteren oberen Abschnitt (42) des Hohlkörpers (40) des Auslassventils (4) gelenkmäßig verbunden ist, so dass der Hebel (44) dazu ausgelegt ist, sich nach vorne zu drehen, wo die Abgabetülle (45) angeordnet ist.
  6. Auslassventil (4) nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dass der Hebel (44) des Auslassventils (4) mit dem vorderen oberen Abschnitt (42) des Hohlkörpers (40) des Auslassventils (4) gelenkmäßig verbunden ist, so dass der Hebel (44) dazu ausgelegt ist, sich nach hinten zu drehen.
  7. Auslassventil (4) nach Anspruch 6, dadurch gekennzeichnet, dass der Hohlkörper (40) des Auslassventils (4) einen Griff (440) aufweist, der der Abgabetülle (45) gegenüber angeordnet ist.
  8. Auslassventil (4) nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, dass eine dem Kolben (5) zugewandte Innenwand des Hebels (44) eine Membran hält, die sich biegen kann und es ermöglicht, den Kolben (5) in Richtung der Innenseite des inneren Hohlraums (400) des Hohlkörpers (40) des Auslassventils (4) zu drücken.
  9. Auslassventil (4) nach einem der Ansprüche 1-8, dadurch gekennzeichnet, dass der Hebel (44) des Auslassventils (4) einen unteren Sitz (445) umfasst, der in eine untere Wand des Hebels (44) eingelassen ist, wobei der untere Sitz (445) im Abstand (D) von der Drehachse (F) angeordnet ist.
  10. Auslassventil (4) nach einem der Ansprüche 1-3, 5-9, dadurch gekennzeichnet, dass das Auslassventil (4) in einem Stück aus Kunststoffmaterial geformt ist.
  11. Auslassventil (4) nach einem der Ansprüche 1-10, dadurch gekennzeichnet, dass das Auslassventil (4) einen trennbaren Adapter (6) zum Aufblasen von Ballons umfasst, wobei der Adapter (6) hohl ist und einen inneren Hohlraum (600) umfasst, der der Form der hohlen Abgabetülle (45) des Auslassventils (4) folgt.
EP16794542.7A 2015-10-30 2016-10-26 Ventil für einen zylinder mit druckgas Active EP3368812B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A005082A ITUB20155082A1 (it) 2015-10-30 2015-10-30 Valvola per bombola contenente gas in pressione.
PCT/EP2016/075760 WO2017072157A1 (en) 2015-10-30 2016-10-26 Valve for a cylinder containing pressurized gas.

Publications (2)

Publication Number Publication Date
EP3368812A1 EP3368812A1 (de) 2018-09-05
EP3368812B1 true EP3368812B1 (de) 2019-12-18

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EP (1) EP3368812B1 (de)
IT (1) ITUB20155082A1 (de)
WO (1) WO2017072157A1 (de)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2022200431A1 (en) 2021-03-23 2022-09-29 Folat B.V. Balloon gas tank filling piece
NL2027812B1 (en) 2021-03-23 2022-10-07 Folat B V Balloon gas tank filling piece

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Publication number Priority date Publication date Assignee Title
US20230265975A1 (en) * 2022-02-23 2023-08-24 Amtrol Licensing Inc. Handle assembly for a portable pressurized gas cylinder
CN115405857B (zh) * 2022-09-14 2023-12-08 北京三盈氢能源装备有限公司 一种耐用型加氢机

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GB1089185A (en) * 1964-08-17 1967-11-01 Reynolds Tube Company Ltd Containers for liquified or compressed gases
US3643691A (en) 1969-02-03 1972-02-22 Charles K Huthsing Jr Valved head assembly for pressurized receptacles
GB2085567B (en) 1980-10-09 1984-06-27 Chubb Fire Security Ltd Fluid closure and discharge devices
US4619328A (en) 1984-11-28 1986-10-28 Pittway Corporation Fire extinguisher valve with pressure indicator
ITRE20110072A1 (it) * 2011-09-23 2013-03-24 Elmo Spagni Valvola di erogazione perfezionata per estintore di fuoco
GB201307473D0 (en) * 2013-04-25 2013-06-12 Linde Ag Lever valve

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022200431A1 (en) 2021-03-23 2022-09-29 Folat B.V. Balloon gas tank filling piece
NL2027812B1 (en) 2021-03-23 2022-10-07 Folat B V Balloon gas tank filling piece

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ITUB20155082A1 (it) 2017-04-30
EP3368812A1 (de) 2018-09-05
WO2017072157A1 (en) 2017-05-04

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