EP2751469B1 - Réservoir sous pression à liaison par emboîtement et soudure de l'élément de raccordement - Google Patents
Réservoir sous pression à liaison par emboîtement et soudure de l'élément de raccordement Download PDFInfo
- Publication number
- EP2751469B1 EP2751469B1 EP12766863.0A EP12766863A EP2751469B1 EP 2751469 B1 EP2751469 B1 EP 2751469B1 EP 12766863 A EP12766863 A EP 12766863A EP 2751469 B1 EP2751469 B1 EP 2751469B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure tank
- coupling
- hollow body
- torque
- tank according
- 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.)
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Images
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
- F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
-
- 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
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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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
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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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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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
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0604—Liners
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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
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0619—Single wall with two layers
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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
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/066—Plastics
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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
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/0663—Synthetics in form of fibers or filaments
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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
- F17C2205/0305—Bosses, e.g. boss collars
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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
- F17C2205/037—Quick connecting means, e.g. couplings
- F17C2205/0373—Adapters
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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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2118—Moulding by injection
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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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2127—Moulding by blowing
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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
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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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
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, 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
- F17C2223/01—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
- 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)
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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
- F17C2270/00—Applications
- F17C2270/07—Applications for household use
- F17C2270/0745—Gas bottles
Definitions
- the invention relates to a pressure tank, consisting of a hollow body made of thermoplastic material with at least one opening, in each of which a connector is inserted, which has at least one passage to the interior of the hollow body.
- Prior art tanks are known for containing gases or liquids which are under high pressure, such as e.g. liquefied petroleum gas (LPG) or compressed natural gas (CNG). These tanks are made, among other things, from thermoplastic material by blow molding or injection molding. In order to increase the pressure resistance, these tanks are provided in a second step with an outer layer of resilient fibers, which are usually embedded in a casting resin, which connects the fibers together and fixes them on the inner plastic layer.
- LPG liquefied petroleum gas
- CNG compressed natural gas
- such a tank must be provided with at least one fitting to which a valve, hose or pipe is coupled in order to fill or empty the tank.
- These elements usually carry as interface a pipe socket made of metal with a thread or with a bayonet, which must be pressure-tight and tightly connected with a complementarily shaped counterpart in the fitting of the tank.
- fittings which are sufficiently resistant to tension and can also be produced as a hollow body with the appropriate wall thicknesses and matching threads or bayonet guides.
- a major disadvantage of this and other similar concepts is that the fittings are designed rotationally symmetric. If a screw connection must be made to connect to a hose, pipe or valve, the fitting must transmit torque to the tank. In rotationally symmetrical fittings, however, only the value of the tightening torque can be achieved, which results from the contact force of the two flanges on the tank and the static friction coefficient of the two surfaces pressing against each other.
- the invention has set itself the task of developing a connection piece for plastic pressure tanks that safely and permanently transmits the peak values of the torque occurring when tightening a screw connection or a bayonet to the hollow body made of plastic.
- the invention teaches that on the connection piece around the passage running around a sealing flange is formed, which is visible to the outside and welded to the hollow body and / or glued and is integrally formed on the at least one torque clutch, the cross-section polygonal or not is circular and which is plugged into a complementary coupling receptacle in the hollow body, which runs around the opening.
- the first sealing area is the "sealing flange”.
- the second torque transmitting area is the "torque clutch”.
- the sealing flange is visible to the outside in the mounted state. In the simplest case, it has the shape of a disc flanged to the central body of the fitting around the passage. If the front edge of this disc is round, so the disc has no torque clutch and is only for sealing.
- the hollow body facing surface of the flange can be bonded to the hollow body.
- the edge region of the sealing flange can be welded to the hollow body, i. so that both the hollow body in the support region of the Abdichtflansches and the Abdichtflansch itself is liquefied in its edge region at the contact surfaces by these areas are heated above the melting temperature of the material and then pressed both parts to each other, so that the liquids mix with each other. If the heating is completely circumferential and uniform, then the connection between the sealing flange and the hollow body is sealed during cooling and solidification of the liquid.
- the connecting piece has at least one further torque-transmitting region, namely the "torque coupling".
- a torque clutch can be formed either on the side facing the interior of the hollow body side of the Abdichtflansches and / or on the end face of the Abdichtflansches.
- polygons which consist of interconnected lines.
- the simplest polygon is a triangle. It has in principle the largest extent in the radial direction with respect to the central axis of the torque clutch.
- all other polygons are also usable, e.g. a rectangle, a hexagon, an octagon, a nonagon, a decagon, a dodecagon, or any number of surfaces.
- This polygon is shaped arbitrarily in the most general case.
- the connector since in practice the connector usually has only a single circular passage, it makes sense to choose a regular polygon, which surrounds the circular passage with a regularly repeated variation of the wall thickness to the passage. That is, all degrees have the same length and form the same angle with each adjacent degree. As the number of corners increases, such a regular polygon continues to approach the circle. This also reduces the proportion of the area effective for transmitting the torque in longitudinal section. This effect is best illustrated by the fact that a circle is drawn in cross-section into the interior of the polygon, which touches all edges tangentially. A second circle is placed through the corners of the polygon, which is then concentric with the inner circle.
- the outline of the torque clutch and the clutch receptacle may also be a star or other serrated line. Compared to a polygon, this increases the area that transfers the force from one element to another.
- fittings are designed rotationally symmetric. If a screw connection must be made to connect to a hose, pipe or valve, the fitting must transmit torque to the tank.
- torque For rotationally symmetrical fittings, however, only the value of Tightening torque achievable, resulting from the contact pressure of the two flanges on the tank and the coefficient of static friction of the two pressing surfaces.
- the torque clutch In a very easy to explain embodiment of the torque clutch, it is integrally formed on the end edge of the Abdichtflansches. If you think of a circular disk as a sealing flange, so the scope of this disc is extended to the "corners" of a polygon. Of course, a corresponding counterpart in the hollow body must be created to these "corners”. In this variant, the diameter of the torque clutch is greater than the sealing part of the connecting piece.
- the area of the sealing flange with its bonding also contributes to the transmission of torque.
- this area already begins to deform slightly under the load of a torque which is too high for it, further torque is transmitted beyond the outer edge of this area to the so-called “second torque clutch” and from there to the “second clutch intake” , In this way, the connection between the Abdichtflansch and the recess is protected from excessive stress.
- the areas for sealing and transmitting the torque are to be clearly differentiated in another embodiment of the torque clutch.
- the torque clutch on the side of the Abdichtflansches facing the interior of the Abdichtflansches - ie closer to the center of the tank - is formed.
- the torque coupling - eg as a polygonal profile - to the inner surface of the Abdichtflansches Therefore, at first glance, it can be recognized as a pure torque coupling.
- the connecting piece according to the invention even has two torque couplings: one on the end face of the sealing flange and the other on the surface facing the tank.
- annular recess is provided below the sealing flange in the recess complementary thereto, into which a seal, such as e.g. an O-ring is inserted.
- a seal such as e.g. an O-ring
- elongated welding webs are integrally formed on the sealing flange and / or on the torque coupling.
- the material protruding over the adjacent surfaces of these welding webs will liquefy during welding and on the adjacent surfaces of the Abdichtflansches and distribute the coupling receptacle and / or the recess on the surface of the hollow body and thus provide an intimate connection.
- This effect can be enhanced by the fact that the welding webs rest on the same, second welding webs, which are also melted during the welding process, so that more liquid material is available.
- the welding webs engage in complementarily shaped welding notches in the depression or in the coupling receptacle.
- the liquefied material of the welding webs flows into the welding notches and liquefied there the top layer.
- the profile of welding bars and welding notches can be curved or angular. In their course, webs and notches may be straight or wavy throughout. But it is also a dotted or dashed course possible and useful.
- the sealing flange rests on the surface of the hollow body around the opening.
- the sealing flange rests on the surface of the hollow body around the opening.
- the hollow body of a pressure tank according to the invention is usually made in practice from a thermoplastic material, which receives its shape by blow molding or injection molding in a corresponding negative mold. Advantages of this method are the relatively short processing time and the relatively low processing costs in the production of each individual copy. A Restriction is, however, that such a hollow body can withstand only a very limited pressure. Therefore, compressive strength is enhanced by overlying fibers such as glass fibers or carbon fibers or aramid fibers or dyneema fibers. These fibers are placed in rings or wavy lines around the hollow body and glued together with resins and on the hollow body. These resins can then be crosslinked thermally or by irradiation with UV light and thereby cured.
- a thermoplastic material which receives its shape by blow molding or injection molding in a corresponding negative mold.
- connection piece for connection to the valve or hose or pipe piece departing therefrom.
- a further coupling piece e.g. made of metal, used or cast in, which fits exactly to the profiles to be connected. So that this additional profile does not twist even with respect to the connecting piece during a torque transmission, it expediently has a polygonal or another non-round profile on its outside.
- connection piece and coupling piece are cast into the connector, this creates a precisely complementary counterpart. Between the connection piece and coupling piece, the torque is then transmitted in the same way as between connection piece and hollow body.
- FIG. 1 If a pressure tank according to the invention is shown on the hollow body 1 before the fitting 2 is mounted.
- the hollow body 1 is shown here in dimming point perspective of "obliquely above”. It can be seen that it consists in this embodiment of a cylinder which is hemispherical completed at its end faces.
- connection piece 2 which derives a torque from the connection piece 2 to the hollow body 1 via the two torque clutches 23 and 25, which are different from each other.
- the first torque clutch 23 consists of a central, octagonal region and formed on two opposite edges strip which is designed to be complementary to the first coupling receptacle 13 in the hollow body 1. This extends around the opening 11 around. In the illustrated embodiment, it consists of an octagon in which strip-shaped extensions are integrally formed on two opposite edges, which extend radially to the opening 11.
- the first coupling receptacle 13 is the plane sunken furthest into the surface in the region of the opening 11.
- the second torque clutch 25 is also a polygon in the embodiment shown here, which is designed here as an octagon, which continues without further paragraph direct from the sealing flange 22.
- FIG. 1 is quickly apparent by the comparison between the outer contour of the connector 2 and the largest outline of the recesses in the hollow body 1, where the second coupling receptacles 16 are arranged. They are in the illustrated embodiment, a direct continuation of the recess 14 and as "corners" on the edge of this depression recognizable.
- FIG. 1 is understandable that after inserting the connector 2 to the outside, the first torque clutch 23 is no longer visible because it is covered by the - larger - sealing flange 22. Visible is then only the second torque clutch 25, which then conceals the complementary second coupling receptacles 16.
- FIG. 1 illustrates that the recess 14 compared to the size of the passage 21 in the connector 2 provides a relatively large area. Therefore, by gluing the relatively large Abdichtflansches 22 with the recess 14, an additional sealing effect can be achieved.
- FIG. 1 is shown as a further embodiment, that on the sealing flange 22 elongated, bead-like welding webs 24 are formed, here in the form of two circular arc segments which engage in complementarily shaped welding notches 15 in the recess 14.
- the liquefied material of the welding webs 24 flows into the welding grooves 15 and there liquefied the uppermost layer, so that the welding bar 24 and the welding grooves 15 intimately connect with each other.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Claims (13)
- Réservoir sous pression, consistant en• un corps creux 1 en thermoplastique, avec• au moins une ouverture 11,• dans laquelle est insérée à chaque fois une pièce de raccordement 2,• qui présente à chaque fois un passage 21 vers l'espace intérieur 12 du corps creux 1
caractérisé par le fait qu'une bride d'étanchéité 22 est formée autour du passage 21 sur la pièce de raccordement 2,- qui est visible vers l'extérieur et- qui est soudée et/ou collée au corps creux 1 et- sur laquelle est formé au moins un couplage de couple 23, 25,- dont la section est polygonale ou non circulaire et- qui est enfichée à chaque fois dans une réception de couplage 13, 16 dans le corps creux 1, qui court autour de l'ouverture 11. - Réservoir sous pression selon la revendication 1, caractérisé par le fait qu'un premier couplage de couple 23 est formé sur la bride d'étanchéité 22,• qui part du côté de la bride d'étanchéité 22 orientée vers l'espace intérieur 12 et• qui est inséré dans une première réception de couplage 12 complémentaire dans le corps creux 1 et• dont la section est dépassée sur chaque point par la bride d'étanchéité 22.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait qu'un deuxième couplage de couple 25 est formé sur le bord frontal de la bride d'étanchéité 22, qui est insérée dans une deuxième réception de couplage 16 complémentaire à ce dernier, dans le corps creux 1.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait que, sur la bride d'étanchéité 22, sont formés• seulement un premier couplage de couple 23 ou• seulement un deuxième couplage de couple 25 ou• à la fois un premier couplage de couple 23 et un deuxième couplage de couple 25.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait que, sur la bride d'étanchéité 22 et/ou sur le couplage de couple 23 sont formés des renforts de soudure longitudinaux 24,• dont le profil peut être courbé ou carré et• dont le parcours peut- être tout droit ou- de forme ondulée ou- pointé ou- pointillé.
- Réservoir sous pression selon la revendication 5, caractérisé par le fait que les renforts de soudure 24 s'engrènent dans des encoches de soudure 15 de forme complémentaire dans le renfoncement 14 ou dans la réception de couplage 13.
- Réservoir sous pression selon la revendication 5, caractérisé par le fait que les renforts de soudure 24 reposent, avant le soudage, sur des renforts de parcours complémentaire sur le renfoncement 14 ou sur la réception de couplage 13.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait que le contour de la section des couplages de couple 23, 25 et des réceptions de couplage 13, 16• est un carré ou un hexagone ou un octogone ou un nonagone ou un décagone ou un autre polygone ou• une étoile ou une autre ligne en zigzag ou• une ligne ondulée.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait que le contour de la section du premier couplage de couple 23 et de la première réception de couple 13 consiste en une zone centrale qui est élargie par au moins une zone à peu près en forme de bande qui est orientée vers l'extérieur de façon à peu près radiale.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait que la bride d'étanchéité 22 peut être réceptionnée par un renfoncement complémentaire 14 sur le corps creux 1, qui entoure la réception de couplage 13.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait qu'une rainure faisant tout le tour est imprimée dans le renfoncement 14, rainure dans laquelle il est possible d'insérer un joint, comme par exemple un cordon d'étanchéité.
- Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait qu'une autre couche repose sur le corps creux 1, qui est renforcée par• des fibres de verre et/ou• des fibres de carbone et/ou• des fibres en aramide et/ou des fibres de dyneema ou d'autres fibres artificielles et/ou• des fibres naturelles et/ou• des combinaisons de fibres et de plastique, comme p. ex. des fibres de verre et de polyéthylène, qui coule autour des fibres de verre à des températures relativement élevées, et
qui consiste• par exemple en résines pouvant constituer des réseaux thermiques ou ultraviolets, ou d'autres résines. - Réservoir sous pression selon une des revendications précédentes, caractérisé par le fait qu'une pièce à filetage interne ou une baïonnette ou une autre pièce de couplage peut être insérée dans la pièce de raccordement 2, laquelle présente un profil polygonal sur sa face extérieure.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201230415T SI2751469T1 (sl) | 2011-08-30 | 2012-08-16 | Tlačna posoda z vtično in zvarjeno povezavo za priključni kos |
PL12766863T PL2751469T3 (pl) | 2011-08-30 | 2012-08-16 | Zbiornik ciśnieniowy z połączeniem wtykanym lub spawanym dla elementu przyłączeniowego |
HRP20151333T HRP20151333T1 (hr) | 2011-08-30 | 2015-12-07 | Spremnik pod pritiskom s vezom utikača i utičnice te zavarenim spojem za konektorski dio |
CY20151101154T CY1117298T1 (el) | 2011-08-30 | 2015-12-16 | Δοχειο πιεσης που εχει μια συνδεση πριζας και υποδοχης και μια συνδεση συγκολλησης για το τεμαχιο του συνδετη |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011111406A DE102011111406A1 (de) | 2011-08-30 | 2011-08-30 | Drucktank mit Steck- und Schweißverbindung für das Anschlussstück |
PCT/DE2012/000824 WO2013029586A1 (fr) | 2011-08-30 | 2012-08-16 | Réservoir sous pression à liaison par emboîtement et soudure de l'élément de raccordement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2751469A1 EP2751469A1 (fr) | 2014-07-09 |
EP2751469B1 true EP2751469B1 (fr) | 2015-09-23 |
Family
ID=46967878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12766863.0A Active EP2751469B1 (fr) | 2011-08-30 | 2012-08-16 | Réservoir sous pression à liaison par emboîtement et soudure de l'élément de raccordement |
Country Status (14)
Country | Link |
---|---|
US (1) | US9441789B2 (fr) |
EP (1) | EP2751469B1 (fr) |
AP (1) | AP4051A (fr) |
CY (1) | CY1117298T1 (fr) |
DE (2) | DE102011111406A1 (fr) |
DK (1) | DK2751469T3 (fr) |
EA (1) | EA027530B1 (fr) |
ES (1) | ES2557655T3 (fr) |
HR (1) | HRP20151333T1 (fr) |
HU (1) | HUE026073T2 (fr) |
PL (1) | PL2751469T3 (fr) |
PT (1) | PT2751469E (fr) |
SI (1) | SI2751469T1 (fr) |
WO (1) | WO2013029586A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017122464A (ja) * | 2016-01-05 | 2017-07-13 | 株式会社Fts | 圧力容器 |
DE102016125866A1 (de) * | 2016-12-29 | 2018-07-05 | Abdul Amir Shubbar | Verbesserter antistatischer Drucktank |
JP6847426B2 (ja) * | 2019-01-21 | 2021-03-24 | 本田技研工業株式会社 | 中子構造体及びその製造方法 |
JP6870027B2 (ja) * | 2019-05-16 | 2021-05-12 | 本田技研工業株式会社 | 高圧タンク及びその製造方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2919048A (en) * | 1957-01-07 | 1959-12-29 | Babcock & Wilcox Co | Pressure vessel flange with antirotation rings |
BR9600459A (pt) * | 1996-01-17 | 1998-03-03 | Fibrasynthetica Do Brasil Comp | Recipiente plástico para fluidos pressurizados |
US5819978A (en) | 1997-04-24 | 1998-10-13 | Essef Corporation | Two piece composite inlet |
US7017771B1 (en) | 2002-02-06 | 2006-03-28 | Essef Corporation | Pressure vessel |
US7287663B2 (en) * | 2005-01-05 | 2007-10-30 | Amtrol Inc. | Lined pressure vessel and connector therefor |
WO2008110130A1 (fr) | 2007-03-14 | 2008-09-18 | BÜKA Chemie GmbH | Procédé d'étanchéification et de fixation de soupapes de prélèvement dans des récipients à gaz sous pression jetables |
WO2009137812A2 (fr) * | 2008-05-08 | 2009-11-12 | Amtrol Licensing Inc. | Montant de support pour réservoir sous pression |
US8356786B2 (en) * | 2008-06-12 | 2013-01-22 | GM Global Technology Operations LLC | Flexible laminated suspension bracket for composite type 4 tanks |
US20100018972A1 (en) * | 2008-07-25 | 2010-01-28 | Kao Keng Nye | Device for transferring material |
DE102008052133B4 (de) | 2008-10-20 | 2010-12-09 | Thomas Gmbh | Druckbehälter |
WO2010053146A1 (fr) | 2008-11-07 | 2010-05-14 | 株式会社Jetovo | Procédé de production de cylindre, cylindre et dispositif d’éjection utilisant un cylindre |
RU2511881C2 (ru) * | 2009-01-09 | 2014-04-10 | Хексагон Текнолоджи Ас | Бобышка сосуда высокого давления и участок ее сопряжения с футеровкой |
DE102009049948B4 (de) * | 2009-10-19 | 2012-02-02 | Kautex Maschinenbau Gmbh | Druckbehälter |
US8186536B2 (en) | 2009-11-04 | 2012-05-29 | GM Global Technology Operations LLC | Molding process of liner with divided boss adapter |
US8523002B2 (en) * | 2010-02-26 | 2013-09-03 | GM Global Technology Operations LLC | Embedded reinforcement sleeve for a pressure vessel |
-
2011
- 2011-08-30 DE DE102011111406A patent/DE102011111406A1/de not_active Withdrawn
-
2012
- 2012-08-16 EP EP12766863.0A patent/EP2751469B1/fr active Active
- 2012-08-16 HU HUE12766863A patent/HUE026073T2/en unknown
- 2012-08-16 EA EA201490481A patent/EA027530B1/ru unknown
- 2012-08-16 WO PCT/DE2012/000824 patent/WO2013029586A1/fr active Application Filing
- 2012-08-16 DK DK12766863.0T patent/DK2751469T3/en active
- 2012-08-16 PT PT127668630T patent/PT2751469E/pt unknown
- 2012-08-16 SI SI201230415T patent/SI2751469T1/sl unknown
- 2012-08-16 US US14/241,945 patent/US9441789B2/en active Active
- 2012-08-16 DE DE112012003591.7T patent/DE112012003591A5/de not_active Withdrawn
- 2012-08-16 PL PL12766863T patent/PL2751469T3/pl unknown
- 2012-08-16 ES ES12766863.0T patent/ES2557655T3/es active Active
- 2012-10-04 AP AP2014007526A patent/AP4051A/en active
-
2015
- 2015-12-07 HR HRP20151333T patent/HRP20151333T1/hr unknown
- 2015-12-16 CY CY20151101154T patent/CY1117298T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
EA201490481A1 (ru) | 2014-06-30 |
ES2557655T3 (es) | 2016-01-27 |
US9441789B2 (en) | 2016-09-13 |
US20140224811A1 (en) | 2014-08-14 |
DK2751469T3 (en) | 2016-01-04 |
PT2751469E (pt) | 2016-01-13 |
PL2751469T3 (pl) | 2016-05-31 |
EA027530B1 (ru) | 2017-08-31 |
DE112012003591A5 (de) | 2014-10-23 |
AP2014007526A0 (en) | 2014-03-31 |
SI2751469T1 (sl) | 2016-02-29 |
WO2013029586A1 (fr) | 2013-03-07 |
DE102011111406A1 (de) | 2013-02-28 |
HUE026073T2 (en) | 2016-05-30 |
AP4051A (en) | 2017-02-03 |
CY1117298T1 (el) | 2017-04-26 |
EP2751469A1 (fr) | 2014-07-09 |
HRP20151333T1 (hr) | 2016-03-25 |
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