EP1577604A1 - Hahn mit Gegenmutter - Google Patents
Hahn mit Gegenmutter Download PDFInfo
- Publication number
- EP1577604A1 EP1577604A1 EP20040101075 EP04101075A EP1577604A1 EP 1577604 A1 EP1577604 A1 EP 1577604A1 EP 20040101075 EP20040101075 EP 20040101075 EP 04101075 A EP04101075 A EP 04101075A EP 1577604 A1 EP1577604 A1 EP 1577604A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- thread
- container
- base
- neck
- 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
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Classifications
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- 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
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- 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
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- 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
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- 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
- F17C3/00—Vessels not under pressure
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- 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
- F17C2203/068—Special properties of materials for vessel walls
- F17C2203/069—Break point in the wall
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- 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
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0335—Check-valves or non-return valves
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- F17C2223/035—High pressure (>10 bar)
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- 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
- F17C2260/01—Improving mechanical properties or manufacturing
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- 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
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- 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
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
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- 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
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/044—Avoiding pollution or contamination
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- 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
- F17C2270/01—Applications for fluid transport or storage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/1624—Destructible or deformable element controlled
- Y10T137/1632—Destructible element
- Y10T137/1654—Separable valve coupling or conduit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87917—Flow path with serial valves and/or closures
- Y10T137/88054—Direct response normally closed valve limits direction of flow
Definitions
- the present invention relates to a tap for container of gas, or liquefied gas, or other fluid, having a valve body having a body portion head and a base with a first external thread for connecting the tap to the neck of a gas container, or of liquefied gas, or other fluid.
- the invention also relates to a method of connecting a faucet to a container of gas, or liquefied gas, or other fluid, as well as the use of the tap as a tap of filling / withdrawing a container of gas, liquefied gas, or other fluid.
- the tap of a container of gas is normally provided with a base having a thread conical outer which is screwed by the application of a couple predetermined in a threaded opening of a container of gas.
- the conical thread ensures the tight connection between the base of the faucet and the container. If a violent shock lateral or axial is applied to the tap the base can be deform causing leaks through the nets between the base and the opening of the neck of the container. Such a leak should be avoided especially for very oxidizing gases, corrosive and toxic reagents used for example for the micro-chip manufacturing in the semiconductor industry.
- Classic faucets for gas container have a single primary valve (external sealing) simple) located in the valve body outside the container.
- the purpose of this invention is to provide an improved faucet for container of gas, liquefied gas, or other fluid, preventing the leakage of the contents of the cylinder through the nets of the base and the neck of the container after the application of a shock violent at the tap.
- the tap of the type mentioned above is characterized in that the base of the valve body is provided with a second external thread lying on the base and between the first net and the main body, and in that a clamping ring provided an internal thread is screwed onto the second thread, this clamping ring being adapted to be clamped with a defined torque against the neck of the container in order to maintain integrity and tightness of the commitment screwed between the base and the neck of the container in the event of a violent shock applied to the body of the faucet.
- a weakening groove judiciously placed in relation to the clamping ring can be formed in the body of the tap between the base and the main part of the valve body approximately at the end of the ring facing towards the main part of the faucet body.
- This optional groove then defines the rupture zone and limits the maximum force that can be applied to the base in the case of a violent shock exerted on the tap.
- the invention also relates to a method of connecting a tap to a gas container, or liquefied gas, or other fluid as defined in claim 13.
- the use of of the tap as a filling / withdrawal tap of a container of gas, liquefied gas, or other fluid is defined in claim 14.
- FIG. 1 a tap 10 is shown connected to the collar C of a container or cylinder of gas of which only the upper part is shown.
- the tap 10 has a valve body 12 having an upper main portion 14 and a lower base 16.
- the two parts 14 and 16 of the body 12 are integral with one another and connected to one to the other by a zone of weakening formed by a circumferential groove 18 made in the surface external body 12.
- the body 12 is also provided with a portion 20 extending laterally for connection of the valve 10 to a means of filling (not shown) of the cylinder or a device consumption (not shown) of the gas withdrawn from the cylinder.
- a vertical passage 22 with different diameters extends from up and down through the faucet body 12 and a passage horizontal 24 is practiced in part 20 extending laterally.
- the seat 34 is formed on an element tubular 36 which surrounds the control rod 30 and which is received in the vertical passage 22 in the body part 14.
- a 33-1 to 33-6 seal assembly is arranged in the tubular element 36 around the stem of control 30 to prevent gas leakage along the rod 30.
- the tubular element 36 is maintained in position by a gland ring 38 screwed into the passage longitudinal 22 at the top of the valve body 12 and an element retaining ring 40 is screwed onto an external thread of the valve body 12 and retains the packing ring 38.
- the stem 30 comprises a lower part 30A and a upper part 30B connected together by means of coupling 44.
- the upper part 30B of the control rod 30 has an external thread screwed into a thread internal of the gland ring 38.
- the lower part 30A of the control rod 30 is provided with the sealing ring 32 but it is noted that the seal ring could be worn according to another embodiment by the element tubular 36 and the sealing seat could be formed on the lower part 30A of the control rod 30.
- the part 30A of the control rod is provided with a extension 46 which extends down into the part of longitudinal passage 22 formed in the base 16 for a purpose which will be further explained in greater detail below.
- a control wheel 58 is attached to the upper portion 30A of the control rod.
- the base 16 is provided at its lower end with a cylindrical extension 47 with reduced diameter on which is mounted a sleeve 50 by a screw connection 51.
- a sleeve 50 In the sleeve 50 is a set of check valve 52 comprising a piston 54 whose upper end is closed and the lower end is open.
- the piston 54 is provided with its upper end a metal sealing ring or synthetic material forced by a spring 56 surrounding the piston 54 in sealed engagement with a surface seal formed at the lower end of the extension cylindrical 47 and surrounding the lower end of the passage 22.
- Between its closed upper end and its open lower end the piston 54 is provided with several radial holes 59 connecting the outside of the piston 54 with the inside of it.
- the sleeve 50 has at its end lower an internal thread 50-1 for the connection of a dip tube (not shown).
- check valve assembly 52 mounted at the free end of the base 16 is at inside the cylinder if the tap 10 is connected to the neck of the cylinder.
- control wheel 58 connected to the upper part 30B of the control rod 30 is turned in one direction to move the stem of control 30 down and away from the seal ring 32 the main primary valve 28 down from its seat fixed 34.
- the extended portion 46 of the lower portion 30B of the stem of command 30 comes to contact the piston 54 of the set of check valve 52 to clear it down from its seat.
- the gas can flow through the sleeve 50, the piston 54 and the radial openings 59 of the piston 54, in the lower part of the vertical passage 22, and then by the main valve 28 open and through radial holes 36A practiced in the annular element 36 and in the passage lateral 24 in the withdrawal mode, or in the opposite direction in filling mode.
- a clamping ring outer 62 surrounds the base 16 of the valve body 12 above the upper surface of the C-neck of the cylinder.
- This ring 62 is in screwed engagement with the base 16.
- the ring 62 is tightened by applying a predetermined pair to the ring down against the upper surface of the collar C of the cylinder in order to maintain the integrity and tightness of the threaded engagement between the base 16 and the neck C of the cylinder in the case of a lateral or axial violent impact exerted on the part of the valve 10 being outside the cylinder.
- the base 16 has a first conical thread 16-1 by which the base 16 is screwed tightly in a corresponding conical thread of the opening of the neck C of the cylinder.
- the base 16 has a second cylindrical thread 16-2 which is above the first 16-1 conical net between first net 16-1 and the main part 14 of the body 12 and below the weakening groove 18.
- the second 16-2 net has a base diameter that is a little bigger the maximum outer diameter of the first cone thread 16-1 and the second net 16-2 has a finer pitch than the first net 16-1 but in the same sense as this one.
- the ring 62 is provided according to the embodiment represented a first upper portion 62-1 provided with a internal thread 62-2 and a second lower part 62-3 devoid of an internal thread and having a bearing surface lower 62-4 substantially radial engaging surface upper collar C of the cylinder when the ring 62 is tight against the C-neck of the cylinder.
- Clamping ring 62 has one or more 62-5 through passages the thickness of the ring 62. This or these passages 62-5 detect any possible leakage along the neck and C-neck threads 16. If several passages 62-5 are provided, they can be spaced one from the other in the circumferential direction.
- the ring 62 can be tightened by means of a tool (not shown) that can engage one or other of these passages 62-5.
- passages 62-5 open into an inner circumferential groove 62-6 located between the upper part 62-1 and the part lower 62-3. However, for tightening the ring 62 it can also have a hexagonal outer shape or any other appropriate form. Passes 62-5 may be radial holes located between the two opposite ends of the ring 62, or radial grooves (not shown) formed in the lower surface of the ring 62.
- the internal diameter of the part lower 62-3 of the clamping ring 62 is only slightly larger than the maximum external diameter of the conical thread 16-1 and substantially equal thereto. It is enough that the inner diameter of the lower part 62-3 of the clamping ring 62 is a little larger than the diameter external peak of the 16-1 conical thread to allow axial displacement of the ring 62 on the base 16 for the mounting and disassembly of the valve 10.
- the minimum diameter internal thread 62-2 of the ring 62 is a bit bigger the maximum external diameter of the 16-1 conical thread.
- the ring 62 is well bent around the base 16 and tight against the C-neck of the cylinder in order to protect the base 16 and prevent its deformation or tearing of the nets in the event of a violent side impact applied to the tap 10 which can cause it to bend or cut at the point of the weakening zone (groove 18).
- the clamping ring 62 can be used in a valve 10 with or without the active flap 52. Instead of the flapper active 52 a non-active valve may be provided, as described above.
- the presence of the clamping ring 62 preventing leakage by the threads around the base 16 is very advantageous in combination with the use of the active check valve 52 or non-active because the benefit obtained by the check valve restraint 52 would be at least partially wiped out if after sectioning of the valve body 12 the contents of the cylinder would be prevented from escaping through the flow passage normal 22 of the base 16 but that a leak would nevertheless be possible around the base 16 by the threads of the base 16 and neck C of the cylinder.
- the construction of the main primary valve 26 and the construction of the check valve 52 are not essential and instead of the particular constructions described previously and shown in the figure for valve 26 and the flap 52, any other embodiment can be provided for the valve 26 and also for the valve 52.
- the ring tightening 62 is placed around the base 16 and screwed on the second net 16-2 until it is in a axial position (indicated by dotted lines at the top of the ring 62 in the single figure) relative to the base 16 in which it does not prevent the application of a couple at the base 16 for the connection of the valve 10 to the cylinder, and after having screwed and tightened the base 16 of the tap 10 in the threaded hole in the neck C of the cylinder by the application of a predetermined tightening torque the ring 62 is tightened against the neck of the cylinder by applying a predetermined torque to the ring 62.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200460011179 DE602004011179D1 (de) | 2004-03-16 | 2004-03-16 | Hahn mit Gegenmutter |
AT04101075T ATE383542T1 (de) | 2004-03-16 | 2004-03-16 | Hahn mit gegenmutter |
EP20040101075 EP1577604B1 (de) | 2004-03-16 | 2004-03-16 | Hahn mit Gegenmutter |
JP2005067729A JP5084107B2 (ja) | 2004-03-16 | 2005-03-10 | 基端部分にクランプリングを備えたタップ、そのようなタップを取り付ける方法及びそのようなタップを備えた容器 |
US11/079,353 US7418974B2 (en) | 2004-03-16 | 2005-03-14 | Tap having a clamping ring on the base end portion |
KR1020050021886A KR20060043705A (ko) | 2004-03-16 | 2005-03-16 | 가스 또는 액체 실린더용 탭 |
CNB2005100545998A CN100462600C (zh) | 2004-03-16 | 2005-03-16 | 气体或液体罐的旋塞 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20040101075 EP1577604B1 (de) | 2004-03-16 | 2004-03-16 | Hahn mit Gegenmutter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1577604A1 true EP1577604A1 (de) | 2005-09-21 |
EP1577604B1 EP1577604B1 (de) | 2008-01-09 |
Family
ID=34833755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040101075 Expired - Lifetime EP1577604B1 (de) | 2004-03-16 | 2004-03-16 | Hahn mit Gegenmutter |
Country Status (5)
Country | Link |
---|---|
US (1) | US7418974B2 (de) |
EP (1) | EP1577604B1 (de) |
JP (1) | JP5084107B2 (de) |
AT (1) | ATE383542T1 (de) |
DE (1) | DE602004011179D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010106902A (ja) * | 2008-10-29 | 2010-05-13 | Neriki:Kk | 容器弁とその取付方法 |
CN102459989A (zh) * | 2009-06-08 | 2012-05-16 | C.T.S.公司 | 高压瓶套圈及其制造方法 |
US9506577B2 (en) * | 2013-04-30 | 2016-11-29 | Tilden C. Harris | Safety valve device |
JP2016205418A (ja) * | 2015-04-15 | 2016-12-08 | 株式会社ネリキ | 逆止弁機構体及び一方向規制バルブ装置 |
JP2017150627A (ja) * | 2016-02-26 | 2017-08-31 | 本田技研工業株式会社 | 高圧タンク用の弁機構及びそれを備えた弁装置 |
GB201711670D0 (en) * | 2017-07-20 | 2017-09-06 | Qinov8 Uk | Safety valve |
CN114517888B (zh) * | 2022-03-09 | 2024-06-21 | 浙江工业大学 | 一种基于自增强理论的站用储氢气瓶的自增强工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE922265C (de) * | 1953-06-25 | 1955-01-13 | Jean Alexandre | Dichtes Verbindungsstueck fuer unter Druck stehende Fluessigkeitsbehaelter |
DE1094055B (de) * | 1959-01-08 | 1960-12-01 | Hans Kreidel Jun | Richtungsverstellbarer und feststellbarer Einschraub-Hochdruck-Rohranschluss |
FR2602303A1 (fr) * | 1986-07-31 | 1988-02-05 | Air Liquide | Robinet a " doubles barrieres d'etancheite " pour bouteille de gaz comprimes et liquifies |
FR2729453A1 (fr) * | 1995-01-17 | 1996-07-19 | Electricite De France | Dispositif de raccordement etanche d'une canalisation de fluide a un corps d'appareil |
DE19522197A1 (de) * | 1995-06-21 | 1997-01-02 | Bartels & Rieger | Hochdruckbehälter, insbesondere als Druckgasflasche für Atemschutz- oder Tauchgeräte, mit einem in den Flaschenhals einschraubbaren Regel- bzw. Absperrventil |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1136606A (en) * | 1914-05-29 | 1915-04-20 | Melvin W Loyd | Safety-valve. |
US3645286A (en) * | 1969-05-29 | 1972-02-29 | John Le Roy Follett | Safety valve for liquid pressure cylinders |
JPS5247778Y2 (de) * | 1973-01-24 | 1977-10-29 | ||
US4077422A (en) * | 1975-11-17 | 1978-03-07 | Said Robie G. Brinkley, By Said Gerry D. Welton | Flow control means for compressed gas cylinders |
US4562852A (en) * | 1984-08-20 | 1986-01-07 | Britt Franklin J | Safety valve |
LU88793A1 (de) * | 1996-07-24 | 1998-01-24 | Ceodeux Ultra Pure Equipment T | Einschraubventil fuer einen Druckbehaelter |
DE60303258T2 (de) * | 2003-03-28 | 2006-11-02 | Luxembourg Patent Company S.A. | Ventil für einen Gas-oder Flüssigkeitsbehälter |
US7066193B2 (en) * | 2003-04-24 | 2006-06-27 | Aderholt Steven K | Poppet shear protection apparatus and system |
-
2004
- 2004-03-16 DE DE200460011179 patent/DE602004011179D1/de not_active Expired - Lifetime
- 2004-03-16 AT AT04101075T patent/ATE383542T1/de not_active IP Right Cessation
- 2004-03-16 EP EP20040101075 patent/EP1577604B1/de not_active Expired - Lifetime
-
2005
- 2005-03-10 JP JP2005067729A patent/JP5084107B2/ja not_active Expired - Fee Related
- 2005-03-14 US US11/079,353 patent/US7418974B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE922265C (de) * | 1953-06-25 | 1955-01-13 | Jean Alexandre | Dichtes Verbindungsstueck fuer unter Druck stehende Fluessigkeitsbehaelter |
DE1094055B (de) * | 1959-01-08 | 1960-12-01 | Hans Kreidel Jun | Richtungsverstellbarer und feststellbarer Einschraub-Hochdruck-Rohranschluss |
FR2602303A1 (fr) * | 1986-07-31 | 1988-02-05 | Air Liquide | Robinet a " doubles barrieres d'etancheite " pour bouteille de gaz comprimes et liquifies |
FR2729453A1 (fr) * | 1995-01-17 | 1996-07-19 | Electricite De France | Dispositif de raccordement etanche d'une canalisation de fluide a un corps d'appareil |
DE19522197A1 (de) * | 1995-06-21 | 1997-01-02 | Bartels & Rieger | Hochdruckbehälter, insbesondere als Druckgasflasche für Atemschutz- oder Tauchgeräte, mit einem in den Flaschenhals einschraubbaren Regel- bzw. Absperrventil |
Also Published As
Publication number | Publication date |
---|---|
DE602004011179D1 (de) | 2008-02-21 |
US20050205821A1 (en) | 2005-09-22 |
JP5084107B2 (ja) | 2012-11-28 |
US7418974B2 (en) | 2008-09-02 |
ATE383542T1 (de) | 2008-01-15 |
JP2005265190A (ja) | 2005-09-29 |
EP1577604B1 (de) | 2008-01-09 |
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