EP1977153B1 - Druckbehälter - Google Patents

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Publication number
EP1977153B1
EP1977153B1 EP06792275.7A EP06792275A EP1977153B1 EP 1977153 B1 EP1977153 B1 EP 1977153B1 EP 06792275 A EP06792275 A EP 06792275A EP 1977153 B1 EP1977153 B1 EP 1977153B1
Authority
EP
European Patent Office
Prior art keywords
support ring
plastic casing
pressurised container
symmetrically formed
plastic
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.)
Active
Application number
EP06792275.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1977153A1 (de
Inventor
Norbert Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydac Technology GmbH
Original Assignee
Hydac Technology GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hydac Technology GmbH filed Critical Hydac Technology GmbH
Publication of EP1977153A1 publication Critical patent/EP1977153A1/de
Application granted granted Critical
Publication of EP1977153B1 publication Critical patent/EP1977153B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/04—Protecting sheathings
    • F17C1/06—Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
    • 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
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0119—Shape cylindrical with flat end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—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
    • F17C2203/0665—Synthetics in form of fibers or filaments radially wound
    • 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
    • F17C2203/0668—Synthetics in form of fibers or filaments axially wound
    • 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
    • F17C2203/0673—Polymers
    • 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
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
    • F17C2205/0397—Arrangement of valves, regulators, filters in direct contact with the pressure vessel on both sides of the pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • F17C2209/2145—Moulding by rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—Improving strength
    • 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
    • F17C2260/013—Reducing manufacturing time or effort
    • 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

Definitions

  • the invention relates to a pressure vessel for receiving at least one fluid medium according to claim 1.
  • EP 1 248 929 B1 is reinforced with a fiber plastic composite plastic core container known as an inner plastic jacket for storing liquid and / or gaseous media under pressure, wherein the core container has one or more fittings in the neck and / or bottom and / or cylindrical container part, of which at least one connecting piece for receiving a screw-in cylindrical or conical thread having pressure line feed, such as a valve or a pipe connection is formed.
  • a fiber plastic composite plastic core container known as an inner plastic jacket for storing liquid and / or gaseous media under pressure
  • the core container has one or more fittings in the neck and / or bottom and / or cylindrical container part, of which at least one connecting piece for receiving a screw-in cylindrical or conical thread having pressure line feed, such as a valve or a pipe connection is formed.
  • connection pin of the plastic core container as a collar part, a cylindrical insert is mounted with a collar end enveloping or circumferential collar end, wherein at least two seals are arranged in such a way that at least one seal between the insert and the inner surface of the plastic connection pin of the plastic core container and at least one further seal is arranged between the insert and the pressure line feed.
  • DE 197 51 411 C1 is a generic composite pressure vessel for storing gaseous media under pressure, known with a plastic liner as the inner or first plastic shell, with two arranged in the neck throat sections, and with a liner reinforcing winding of a fiber composite material as the second Plastic sheath.
  • a screwed into this neckpiece clamping ring is provided, which has a threaded portion on the outer shell, followed by a thread-free truncated cone-like portion and arranged between the female threaded portions of the neck piece annular groove for receiving a sealing ring extends radially into the neck piece and on the outside of the respective neck piece.
  • the arrangement is provided with at least one bead extending radially outwards over the entire circumference.
  • the wedge-like taper of the outer support ring extends only along the inner peripheral portion of the neck piece along a horizontal plane formed by the liner, which in turn opens at a sharp right angle deflected into the collar part, which the media supply and discharge includes.
  • WO 03/069217 A2 is a generic pressure vessel for receiving at least one fluid medium having a first plastic shell and a first plastic shell at least partially comprising the second plastic shell known
  • the first plastic shell has at least at one end a collar portion which includes an opening for the media supply and removal, wherein the collar portion and the second plastic shell are supported on an intermediate outer support ring which tapers in the direction of a gap opening between said shells, the gap opening between the sheaths being brought to a location where the shells co-abut each other are, and where up to this point the wedge-like Rejuvenation of the outer support ring leads, which is formed at least in one piece.
  • the present invention seeks to further improve the known solutions to the effect that a highly reliable pressure vessel is created in a cost effective manner with a reduced manufacturing effort.
  • This object is achieved by a pressure vessel with the features of claim 1 in its entirety.
  • the inner support ring is guided in such a way in the outer support ring, that a common boundary wall for the media supply and removal is created.
  • the gap opening between the sheaths is brought to a point where the coats are in coaxial arrangement in abutment with each other and that leads to this point the wedge-like taper of the outer support ring, which is integrally formed or composed of at least two annular individual segments made of metal , a sealed container or storage arrangement is created, which is feasible with low production costs.
  • the pressure vessel according to the invention can be used for a variety of applications and in that up to the outer peripheral region of the two coats into the support via the wedge-like tapered outer support ring, any relative movements between the plastic shells on the outer support ring are intercepted and damaging Delaminierratae are such form directly between avoided the sensitive plastic materials.
  • the mutually facing contour surfaces of the first and second plastic jacket can be due to the wedge-like leadership of the outer support ring, which leads into the outer peripheral region of the arrangement without sharp deflections and without sudden changes in direction realize, which allows a particularly gentle introduction of force for said plastic shells.
  • a particularly favorable introduction of force results when the outer support ring is formed in one piece and then preferably consists of a plastically deformable plastic material, in particular of a polymer material.
  • good results can also be achieved if the outer support ring is composed as a rigid support member body of at least two individual segments, for example in the form of single rings, which in turn simplifies the production and thus helps reduce manufacturing costs.
  • the outer support ring completely and therefore consists of a single piece of plastic material, is also excluded that, where appropriate, at sharp-edged transition points, the plastic material of the coats can be damaged by the outer support ring.
  • a high rigidity for the container arrangement is achieved, in particular with respect to the collar part of the liner as the inner or first plastic material.
  • the pressure vessel is also provided to provide the outer contour of the outer support ring in the direction of the gap opening with a convex curvature and to let its opposite inner contour extending from the gap opening in a rectilinear slope, at the point of entry of the collar part in a parallel to the longitudinal axis of the container contact surface opens.
  • the pertinent embodiment of the outer support ring with convex curvature on the outer contour and plane-parallel configuration on the inner contour side leads to a particularly favorable introduction of force of the loads of the inner shell in the outer support ring, the extent of the outer plastic shell is further supported by wrapping.
  • the reproduced in the drawing pressure vessel serves to store liquid or gaseous fluid media, which can be under a pressure of up to several thousand bar. It is provided at both ends with connection openings 10 for the media supply and removal, can be connected to the pressure lines and / or valves not shown or used, which can be differently sized and configured depending on the application for the pressure vessel.
  • the pressure vessel has a first plastic shell 12 and a first plastic shell 12, at least partially comprising second plastic shell 14.
  • the pertinent first plastic shell 12 is also referred to technical language with plastic core container or liner. It preferably consists of polyamide and is obtained by means of a blow molding process or by rotational sintering. The pertinent production methods are customary, so that will not be discussed further here at this point.
  • the addressed liner 12 is reinforced on the outer circumference side by an externally wound fiber winding as a second plastic sheath 14.
  • the reinforcing wrap consists of a Fiber reinforcement, such as carbon, aramid, gas, boron, Al 2 O 3 fibers or mixtures thereof, which are also referred to as hybrid yarns, in a matrix of thermosets, such as epoxy or phenolic resins or in thermoplastics, for example in the form of PA12, PA6, PP etc. are embedded.
  • the fiber composite forming the support shell thus contains intersecting fiber strands embedded in synthetic resin which extend essentially in the longitudinal and circumferential directions.
  • the fiber composite forming the support shell may additionally or alternatively also comprise fiber strands crossing one another, which may be inclined in the longitudinal and circumferential direction and associated with each other in an expedient configuration of the longitudinal axis of the plastic core container.
  • the longitudinal and circumferential forces can thereby be absorbed in an optimal manner by the pressure vessel.
  • the possibilities are improved, the ratio of the opening cross-section of an end opening, with respect to the inner diameter of the plastic core container to large values of at least 30%, preferably set at least 50%, without resulting in functional impairments.
  • first plastic shell 12 opens into a cylindrical collar portion 16, wherein in an embodiment not shown, it would also be conceivable to close one end of the first plastic sheath 12 and provide only one collar member 16.
  • the pressure vessel is substantially rotationally symmetrical and extends along its central circumference 18, with coaxial arrangement of its two shells 12, 14 along its longitudinal axis 20. Seen in the direction of this longitudinal axis 20, the free end of the second plastic sheath 14, above the collar part 16 of the first plastic sheath 12 off, reflecting the forces to be introduced during operation the container has proved to be favorable.
  • the collar part 16 of the first plastic sheath 12 and the second plastic sheath 14 are otherwise supported on an outer support ring 22 located between them.
  • the outer support ring 22 tapers in the direction of a gap opening 24 between said sheaths 12, 14. According to the invention it is provided that said gap opening 24 between the sheaths 12, 14 is brought to a point at which the coats 12, 14 in coaxial arrangement with the longitudinal axis 20 of the memory in abutment with each other, up to this point the Wedge-like taper 26 of the outer support ring 22 leads, which is either, which is not shown in detail, integrally formed or as shown, at least two annular individual segments 28, 30 composed of metal.
  • the outer contour 32 of the outer support ring 22 is provided in the direction of the gap opening 24 with a convex curvature and its opposite inner contour 34 extends, starting from the gap opening 24 in a rectilinear slope, which at the location of entry of Collar portion 16 opens into a parallel to the longitudinal axis 20 of the container contact surface.
  • the curvature of the outer contour 32 increases in the direction of the free end of the second plastic sheath 14.
  • the outer support ring 22 consists of metallic individual segments
  • at least one of the two individual segments 28 or 30 in the peripheral region have a projection which opens in a kind of encroachment in an edge-side radial recess of the other single segment.
  • a particularly good adhesion of both individual segments to each other is possible.
  • in the Cross-section as seen in the figure therefore, is a single segment 30 in the manner of a Anlegekeiles and the other single segment 28 formed to the free end of the respective collar member 16 in the manner of a parallelogram.
  • the collar part 16 of the first shell 12 is supported on the inner circumference side on a further contact surface of an inner support ring 36, which is also formed as a rigid metal ring.
  • an inner support ring 36 need not be the same for the two ends of the pressure vessel; However, it is characteristic that the respective inner support ring 36 has an annular groove along an outer peripheral surface, for receiving an O-sealing ring 38, which serves to seal the respective media supply and removal. Further, it is characteristic that the inner support ring 36 is supported in the outer support ring 22 such that a common boundary wall for the media supply and removal is provided.
  • the indicated inner support ring 36 is provided in the direction of the interior of the pressure vessel with a contact slope, the inclination of the inclination of the slope of the inner contour 34 of the outer support ring 22 is adapted, in particular this corresponds. Further, the outer contour 32 of the outer support ring 22 is provided with an annular recess 40 into which the assignable end of the second plastic sheath 14 opens out under investment.
  • the second plastic sheath 14 has at least one additional winding layer 42 which on the one hand helps to increase the bursting pressure and on the other hand ensures that any massive internal parts of the pressure vessel or pressure accumulator can not escape outwards in the event of a burst, but rather on the outside Additional winding 42 are retained.
  • the pertinent additional winding 42 can only be present simply or multiple times at discrete intervals.
  • Said outer support ring 22 is capable of uniformly distributing stress peaks occurring in the manner of a pressure buffer and introducing them into the two plastic shells 12, 14. Such a bulging of the pressure vessel is effectively avoided.
  • the indicated cross-sectional wedge shape of the outer support ring 22 is favorable insofar as it effectively counteracts the said relative displacements, to which end the different configuration of the outer contour 32 to the inner contour 34 cooperates.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
EP06792275.7A 2006-01-25 2006-09-26 Druckbehälter Active EP1977153B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006004121A DE102006004121A1 (de) 2006-01-25 2006-01-25 Druckbehälter
PCT/EP2006/009331 WO2007085276A1 (de) 2006-01-25 2006-09-26 Druckbehälter

Publications (2)

Publication Number Publication Date
EP1977153A1 EP1977153A1 (de) 2008-10-08
EP1977153B1 true EP1977153B1 (de) 2013-06-12

Family

ID=37493915

Family Applications (1)

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JP (1) JP5032503B2 (es)
CN (1) CN101356400B (es)
DE (1) DE102006004121A1 (es)
ES (1) ES2416335T3 (es)
WO (1) WO2007085276A1 (es)

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CN101356400A (zh) 2009-01-28
DE102006004121A1 (de) 2007-07-26
US20100258573A1 (en) 2010-10-14
ES2416335T3 (es) 2013-07-31
JP5032503B2 (ja) 2012-09-26
US7959027B2 (en) 2011-06-14
JP2009524777A (ja) 2009-07-02
EP1977153A1 (de) 2008-10-08
WO2007085276A1 (de) 2007-08-02
CN101356400B (zh) 2011-07-13

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