EP2751469A1 - Drucktank mit steck- und schweissverbindung für das anschlussstück - Google Patents
Drucktank mit steck- und schweissverbindung für das anschlussstückInfo
- Publication number
- EP2751469A1 EP2751469A1 EP12766863.0A EP12766863A EP2751469A1 EP 2751469 A1 EP2751469 A1 EP 2751469A1 EP 12766863 A EP12766863 A EP 12766863A EP 2751469 A1 EP2751469 A1 EP 2751469A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow body
- pressure tank
- tank according
- torque
- coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims abstract description 46
- 238000010168 coupling process Methods 0.000 claims abstract description 46
- 238000005859 coupling reaction Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000000295 complement effect Effects 0.000 claims abstract description 18
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 229920006231 aramid fiber Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 239000012209 synthetic fiber Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—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
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- 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)
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/036—Avoiding leaks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/07—Applications for household use
- F17C2270/0745—Gas bottles
Definitions
- the invention relates to a pressure tank, consisting of a hollow body made of thermoplastic material having at least one opening, in each of which a connection piece is inserted, which has at least one respective fürse to the inner space 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 to a complementary shaped counterpart in the fitting of the tank.
- the 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. Since the wall thicknesses and the requirements for the dimensional accuracy differ significantly from the wall thicknesses and the tolerances of the pressure tank in the fittings, it is in practice neither useful nor economical, the fittings and the
- 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. Since the surface of the plastic tanks is usually smooth and smooth, therefore, there is only a limited torque peak. If this is exceeded, it will be difficult to make a sufficiently tight connection. In addition, there is the risk that by pivoting the connection piece with respect to the tank, this connection will quickly leak and the fluid that is actually to be taken out continuously discharges, and this tends to increase.
- 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 a sealing flange is formed on the fitting around the passage, 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.
- connection piece It is therefore an essential idea of the invention to separate the function of the seal between the connection piece and the hollow body from the function of the torque transmission from the connection piece to the hollow body.
- the invention provides for distinctly separate regions of the connection piece:
- the first sealing area is the "sealing flange.”
- the second torque transmitting area is the "torque coupling”.
- 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 is liquefied in the contact area of the Abdichtflansches and the Abdichtflansch even in its edge region to the Berüh approximately surfaces by these areas on the
- the connecting piece has at least one further torque-transmitting region, namely the "torque coupling.”
- torque coupling can be formed either on the side of the sealing flange facing the interior of the hollow body and / or. or on the front side of the Abdichtflänsches. In both embodiments, their task is similar to a wrench, which is placed on the head of a screw to transmit a torque.
- the cross section of the torque clutch and the complementary coupling receptacle is formed:
- each cross section which is not circular, in that all regions of the outer surfaces of the torque coupling deviating from a circular line press against the complementary area of the coupling receptacle.
- 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. Since in practice, however, the connector usually has only a single circular passage, it makes sense to choose a regular polygon, which wraps around the circular passage with a regularly repeated variation of the wall thickness for fürläse. 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 another serrated line. Compared to a polygon, this increases the area that transfers the force from one element to another.
- the Momen- tehkupplu g it is formed ah the front edge of the Abdichtflansches. If you start with a circular disk as a sealing flange, then the circumference of this disk is extended to the "corners" of a polygon.Of course, a corresponding counterpart in the hollow body must be created to these "corners".
- 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” , To this
- the torque clutch is formed on the side facing the réellehoffm the Abdichtflansches side 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
- oblong welded webs are integrally formed on the sealing flange and / or on the torque coupling.
- the material protruding above the wetted surfaces of these weld webs will liquefy and on the adjacent surfaces of the sealing flange as well 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.
- weld bars engage in complementary shaped weld grooves in the recess or in the coupling receptacle.
- the Abdichtflansches 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 Negativ form. 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 Negativ form.
- 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 is cast into the connector, this creates a precisely complementary counterpart.
- torque is then transmitted in the same way as between connection piece and hollow body.
- FIG. 1 shows a pressure tank according to the invention before assembly of the connecting piece 2 on the hollow body 1.
- the hollow body 1 is here shown in dotted-point perspective from “obliquely upwards.” It can be seen that in this embodiment it consists of a cylinder which is hemispherical in its end faces.
- the opening 1 1 can be seen, through which a view into the interior 12 of the hollow body is free.
- 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 1 1.
- 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.
- the comparison between the outer contour of the connecting piece 2 and the largest outline of the recesses in the hollow body 1 quickly reveals where the second coupling recesses 16 are arranged. In the illustrated embodiment, they are a direct continuation of the depression 14 and can be recognized as "corners" on the edge of this depression.
- Figure 1 it is understood that after the insertion of the connector 2 to the outside, the first torque clutch 23 is no longer visible, since 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.
- Figure 1 illustrates that the recess 14 in comparison to the size of the passage 21 in the connector 2 provides a relatively large area. Therefore, by gluing the relatively large Abdicht- fänsches 22 with the recess 14, an additional sealing effect can be achieved.
- FIG. 1 shows, as a further embodiment variant, that oblong, bead-like welding webs 24 are formed on the sealing flange 22, 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.
- Coupler receptacle 13 inserted
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)
Abstract
Description
Claims
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 (de) | 2011-08-30 | 2012-08-16 | Drucktank mit steck- und schweissverbindung für das anschlussstück |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2751469A1 true EP2751469A1 (de) | 2014-07-09 |
EP2751469B1 EP2751469B1 (de) | 2015-09-23 |
Family
ID=46967878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12766863.0A Active EP2751469B1 (de) | 2011-08-30 | 2012-08-16 | Drucktank mit steck- und schweissverbindung für das anschlussstück |
Country Status (14)
Country | Link |
---|---|
US (1) | US9441789B2 (de) |
EP (1) | EP2751469B1 (de) |
AP (1) | AP4051A (de) |
CY (1) | CY1117298T1 (de) |
DE (2) | DE102011111406A1 (de) |
DK (1) | DK2751469T3 (de) |
EA (1) | EA027530B1 (de) |
ES (1) | ES2557655T3 (de) |
HR (1) | HRP20151333T1 (de) |
HU (1) | HUE026073T2 (de) |
PL (1) | PL2751469T3 (de) |
PT (1) | PT2751469E (de) |
SI (1) | SI2751469T1 (de) |
WO (1) | WO2013029586A1 (de) |
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 (de) * | 2007-03-14 | 2008-09-18 | BÜKA Chemie GmbH | Verfahren zur abdichtung und befestigung von entnahmeventile in einweg-druckgasbehältern |
EP2283273A4 (de) * | 2008-05-08 | 2017-12-27 | AMTROL Licensing Inc. | Ständer für druckbehälter |
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 (ja) * | 2008-11-07 | 2010-05-14 | 株式会社Jetovo | ボンベの製造方法、ボンベおよびこのボンベを用いた噴出装置 |
WO2010080948A1 (en) * | 2009-01-09 | 2010-07-15 | Lincoln Composites | Pressure vessel boss and liner interface |
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 US US14/241,945 patent/US9441789B2/en active Active
- 2012-08-16 DK DK12766863.0T patent/DK2751469T3/en active
- 2012-08-16 EP EP12766863.0A patent/EP2751469B1/de active Active
- 2012-08-16 SI SI201230415T patent/SI2751469T1/sl unknown
- 2012-08-16 ES ES12766863.0T patent/ES2557655T3/es active Active
- 2012-08-16 PT PT127668630T patent/PT2751469E/pt unknown
- 2012-08-16 HU HUE12766863A patent/HUE026073T2/en unknown
- 2012-08-16 EA EA201490481A patent/EA027530B1/ru unknown
- 2012-08-16 PL PL12766863T patent/PL2751469T3/pl unknown
- 2012-08-16 DE DE112012003591.7T patent/DE112012003591A5/de not_active Withdrawn
- 2012-08-16 WO PCT/DE2012/000824 patent/WO2013029586A1/de active Application Filing
- 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
Non-Patent Citations (1)
Title |
---|
See references of WO2013029586A1 * |
Also Published As
Publication number | Publication date |
---|---|
SI2751469T1 (sl) | 2016-02-29 |
EA027530B1 (ru) | 2017-08-31 |
DE112012003591A5 (de) | 2014-10-23 |
AP2014007526A0 (en) | 2014-03-31 |
DE102011111406A1 (de) | 2013-02-28 |
ES2557655T3 (es) | 2016-01-27 |
CY1117298T1 (el) | 2017-04-26 |
EP2751469B1 (de) | 2015-09-23 |
HUE026073T2 (en) | 2016-05-30 |
US20140224811A1 (en) | 2014-08-14 |
US9441789B2 (en) | 2016-09-13 |
PL2751469T3 (pl) | 2016-05-31 |
EA201490481A1 (ru) | 2014-06-30 |
AP4051A (en) | 2017-02-03 |
PT2751469E (pt) | 2016-01-13 |
HRP20151333T1 (hr) | 2016-03-25 |
WO2013029586A1 (de) | 2013-03-07 |
DK2751469T3 (en) | 2016-01-04 |
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