EP1977154B1 - Hydrospeicher - Google Patents
Hydrospeicher Download PDFInfo
- Publication number
- EP1977154B1 EP1977154B1 EP06792276A EP06792276A EP1977154B1 EP 1977154 B1 EP1977154 B1 EP 1977154B1 EP 06792276 A EP06792276 A EP 06792276A EP 06792276 A EP06792276 A EP 06792276A EP 1977154 B1 EP1977154 B1 EP 1977154B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support ring
- plastic
- outer support
- hydraulic accumulator
- bladder
- 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
Links
- 239000004033 plastic Substances 0.000 claims abstract description 75
- 229920003023 plastic Polymers 0.000 claims abstract description 75
- 239000012530 fluid Substances 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 2
- 229920001903 high density polyethylene Polymers 0.000 claims 1
- 238000007373 indentation Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 208000002352 blister Diseases 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
- F17C2201/01—Shape
- F17C2201/0147—Shape complex
-
- 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
- F17C2201/0176—Shape variable
- F17C2201/018—Shape variable with bladders
-
- 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
- F17C2203/01—Reinforcing or suspension means
- F17C2203/014—Suspension means
- F17C2203/018—Suspension means by attachment at the neck
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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
-
- 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
-
- 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
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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
- F17C2205/0323—Valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- 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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2145—Moulding by rotation
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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
- F17C2209/2154—Winding
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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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
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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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0447—Composition; Humidity
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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
Definitions
- the invention relates to a hydraulic accumulator, in the form of a bladder accumulator, for receiving at least one fluid medium with a pressure vessel, with a first plastic sheath and a second plastic sheath at least partially comprising the first plastic sheath, wherein the first plastic sheath has a collar part at least at one end, the one Opening for the media supply and removal, wherein the collar part and the second plastic shell are supported on an intermediate outer support ring, which tapers in the direction of a gap opening between said sheaths, and wherein the gap opening between the shells is brought to a location in which the coats are in coaxial arrangement in abutment with each other.
- 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, the core container having one or more fittings in the neck and / or bottom and / or cylindrical container part, of which at least a connecting piece for receiving a screw-threaded or cylindrical threaded conical feed line, 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 having one or more fittings in the neck and / or bottom and / or cylindrical container part, of which at least a connecting piece for receiving a screw-threaded or cylindrical threaded conical feed line, such as a valve or a pipe connection is formed.
- a cylindrical insert is mounted with a collar end at the end of the connecting pin or circumferential, 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 connecting pin of the plastic core container and at least one further seal between insert and pressure line feed is arranged. This is to ensure a high and long-lasting tightness at the connector even with extreme, changing thermal and mechanical operating stresses.
- a composite pressure vessel for storing gaseous media under pressure with a liner made of plastic as the inner or first plastic shell known with two neck portions arranged in the neck and with a liner reinforcing winding of a fiber composite material as a second plastic sheath.
- a throttle valve receiving neckpiece a screwed into this neckpiece clamping ring is provided which has a threaded portion on the outer shell, to which a thread-free, truncated cone-like Section adjoins and disposed 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 along a horizontal plane formed by the liner, which in turn opens at a sharp right angle deflected into the collar part, the gas supply via said Valve includes.
- a hydraulic accumulator in the manner of a pressure vessel bottle for receiving at least one fluid medium, wherein the known pressure vessel is provided with a first plastic sheath and the first plastic sheath at least partially comprehensive second plastic sheath.
- the inner shell is separated from the outer shell by an outer support ring which tapers in the direction of a gap opening between said shrouds, the gap opening between the sheaths being brought to a location where the shells co-abut each other are.
- the first plastic sheath is folded towards its free end towards its inlet point in this area arcuate outwards and to a sealing ring in the connecting device for the purpose of sealing contact with the outer support ring pressed against the connection device.
- the known storage solution thus serves to accommodate a fluid which can develop a pressure within the container or in advance already has this pressure.
- the known solution does not relate to a hydraulic accumulator in the form of a bladder accumulator with a poppet valve to be actuated by means of the accumulator bladder for controlling the supply and removal of media to and from the bladder accumulator.
- the invention has the object to further improve the known solutions to the effect that a hydraulic accumulator application is achieved as a bladder in a cost effective manner with a reduced manufacturing cost and that the bladder is characterized by a high reliability.
- This object is achieved by a hydraulic accumulator in the form of a bladder accumulator having the features of patent claim 1 in its entirety.
- the poppet valve used can be brought into a full closed position by means of a storage bubble, wherein the accumulator bubble is accommodated on its upper side in a membrane holder, which leaves a passage point for further media supply and removal via a Media supply valve, for which the membrane holder, the free end the outer surface of the outer support ring is provided in the direction of the gap opening with a convex curvature, wherein the opposite inner contour of the outer support ring, starting from the gap opening in a rectilinear slope, which at the point of entry of the collar part in a bearing surface parallel to the longitudinal axis of the container opens, wherein the collar part of the first shell on the inner peripheral side is supported on a further contact surface of the inner support ring, and wherein the inner support ring is guided in the outer support ring such that a common boundary wall is provided with the membrane holder, is a dense storage arrangement created, which is feasible with low production costs
- the hydraulic accumulator according to the invention can be used for a variety of applications and the fact 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 over the outer support ring are intercepted and damaging Delaminiervone are such a form avoided between the sensitive plastic materials. Furthermore, this creates a stable and secure support for the poppet valve in the opening region of the pressure vessel, so that it is possible for the first time to use accumulators constructed completely of plastic layers for bladder hydraulic accumulator solutions, which also have an extremely large volume. Furthermore, by the wedge-like intermediate support for the plastic shells Standard Kunststofftoffmaterialien, for example in the form of polymeric materials, are used, which in turn helps reduce the manufacturing costs. Also, a particularly favorable force introduction of the loads of the inner shell in reaches the outer support ring, which is supported so far by the outer plastic shell by wrapping on.
- the mutually facing contour surfaces of the first and second plastic sheath can be due to the wedge-like leadership of the outer support ring, which leads into the outer peripheral region of the arrangement, realize without sharp deflections and without sudden changes in direction, 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 integrally formed 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 of at least two individual segments, for example in the form of individual rings, as a rigid support part body, which in turn simplifies production and thus reduces the production costs.
- the outer support ring provided that it supports the collar part of the liner, be constructed of metal material and the Wedge-like taper region between the plastic shells made of a plastic material, for example in the form of a plastically deformable buffer ring made of polymeric material.
- the pertinently plastically deformable plastic can also be injected or poured into the predetermined gap. If the buffer ring or the outer support ring as a whole consists of a plastic material, this leads to a significant reduction in weight, which increases the possible applications of the hydraulic accumulator, for example in the aerospace industry.
- the reproduced in the drawing hydraulic accumulator in the form of a bubble store is used to store liquid or gaseous fluid media that can be under a pressure of up to several thousand bar. It is provided at both ends with connection openings 10 for a media supply and removal, are connected to the respective valves, which will be explained in more detail in detail.
- the actual pressure tank of the hydraulic accumulator has a first plastic shell 12 and a first plastic shell 12 at least partially comprehensive second plastic shell 14.
- the pertinent first plastic shell 12 is also referred to technical terms with plastic core container or liner. It preferably consists of polyamide and is obtained by means of a bubble-forming 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 peripheral 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, which in a basic matrix of thermosets, such as epoxy or phenolic resins or in thermoplastics, for example in the form of PA12, PA6, PP etc. embedded.
- 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, which in a basic matrix of thermosets, such as epoxy or phenolic resins or in thermoplastics, for example in the form of PA12, PA6, PP etc. embedded.
- the fiber composite forming the support shell thus contains intersecting fiber strands embedded in synthetic resin which extend substantially in the longitudinal and circumferential directions.
- the fiber composite forming the supporting sheath 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 optimum 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 from set at least 50% without causing any functional impairment.
- the hydraulic accumulator shown is formed substantially rotationally symmetrical and extends along its central circumference 18 with coaxial arrangement of its two shells 12,14 along its longitudinal axis 20. In the direction of this longitudinal axis 20 opens the free end of the second plastic sheath 14 opens above the respective collar portion 16 of the first Plastic jacket 12 off, which has proven to be initiated forces during operation of the container to be favorable.
- the collar part 16 of the first plastic sheath 12 and the second plastic sheath 14 are supported, moreover, 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.
- 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 integrally formed, which is not shown in detail, or as shown, composed of at least two annular individual segments 28,30, wherein the single segment 28 consists of a conventional metal material and the single ring 30 consists of a plastic material, preferably formed in the manner of a buffer ring made of a plastically deformable polymer material.
- the two individual segments 28,30 could also occur more individual segments; also in the manner of a sandwich construction or the outer support ring 22 instead a one-piece training of metal from such a plastic construction.
- 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 straight bevel, at the location of entry of the collar part 16 opens into a parallel to the longitudinal axis 20 of the hydraulic accumulator contact surface.
- the curvature of the outer contour 32 increases in the direction of the free end of the second plastic sheath 14.
- the liner runs in the form of plastic sheath 12 parallel to the rectilinear oblique contour the inside of the outer support ring 22, with the result that the deflection of the liner in the direction of the collar member 16 is parallel to the longitudinal axis 20 of the hydraulic accumulator at an angle greater than 90 °, so far that sharp deflections are avoided for the sensitive liner.
- the outer support ring 22 consists of 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 attack in a peripheral radial recess of the other single segment.
- a particularly good adhesion of both individual segments to each other is possible. Seen in cross-section according to the figures, is therefore the one single segment 30 in the manner of a jib and the other single segment 28 formed to the free end of the respective collar member 16 in the manner of a parallelogram.
- the respective collar part 16 of the first jacket 12 is supported on the inner peripheral side on a further contact surface of an inner support ring 36, which is preferably formed as a rigid metal ring.
- an inner support ring 36 which is preferably formed as a rigid metal ring.
- the inner support ring 36 need not be the same for the two ends of the hydraulic accumulator; However, it is characteristic that the respective inner support ring 36 has an annular groove along its outer circumferential 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, which corresponds in particular to this.
- the pertinent slope serves in particular as a later contact surface for the valve arrangements of the hydraulic accumulator, which will be explained in more detail below.
- the outer contour 32 of the outer support ring 22 is provided with an annular recess 40, in which the assignable end of the second plastic sheath 14 terminates under abutment.
- 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 in case of bursting any massive internal parts of the pressure vessel or pressure accumulator can not escape like a bullet to the outside, but rather of the 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 to introduce 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, for which purpose the different configuration of the outer contour 32 to the inner contour 34 cooperates.
- a so-called. Poppet valve 50 is inserted.
- the plate of the poppet valve 50 is shown in the Fig.2 held by a compression spring 52 in its open position and the rest of the plate is supported by an actuating rod 54 which passes through the compression spring 52 and which is provided to limit the maximum opening stroke on its underside with a stop 56 which, according to the representation of Fig.2 on web walls 58 abuts a guide, which in the axial direction parallel to the longitudinal axis 20 of the hydraulic accumulator diametrically opposite each other Fluid passages 60 leaves free.
- the said fluid passages 60 open in the direction of the Fig.
- fluid-carrying connector 62 seen at its lower end in a fluid-carrying connector 62 in the manner of a standardized SAE flange and at its opposite end open into the fluid space 64 of said hydraulic accumulator.
- the pertinent fluid space 64 is separated by an elastomeric separation membrane in the form of a reservoir bladder 66 from another gas-carrying working chamber 68.
- the resilient diaphragm 66 expands under the pressure of the working gas, for example in the form of nitrogen, and pushes out in sight the Fig.2 seen the plate of the poppet valve 50 down to a maximum in the full closed position of the plate comes into abutment with the conical closing surfaces 70 of said SAE flange, which so far protrudes into the fluid space 64.
- a hydraulic medium such as oil
- said SAE fitting protrudes into the fluid space 64, it is adjacent to the conical closing surfaces 70 and includes an elastically yielding abutment surface 72 held by a crimped collar 74 on said flange.
- the pertinent collar piece 74 With its underside, the pertinent collar piece 74 is supported on the inner contour of the inclined liner 12. Further, the collar piece 74 is held on its inner peripheral side to the SAE flange, which extent widens on the outer peripheral side in diameter via a projection.
- the pertinent SAE flange in the penetration area is cylindrical and is supported in the direction of the Fig.2 seen on the underside of the outer support ring 22 via a support sleeve 76 from the outer peripheral side is in planar contact with the inner peripheral sides of outer support ring 22 and inner support ring 36.
- a threaded ring 78 said arrangement, which is so far clamped via an external thread on the SAE flange.
- the SAE flange is penetrated by two diametrically opposite holes 80, which can serve, for example, to accommodate sensors which can serve, inter alia, the pressure measurement, the temperature measurement, the viscosity measurement and the like.
- the looking in the direction of Fig.2 shown, pressure sensor 82 shown on the right in the manner of a screw-in is recorded integrally in the bore 80 shown on the left.
- the collar piece 74 may be constructed as a multi-part, in particular two-part ring.
- the SAE flange facing in the direction of the Fig.2 seen at its front-side underside an annular recess 84 which serves to receive an O-ring, not shown, so far as the SAE flange is connected in a sealing manner to the fluid circuit of a hydraulic system, not shown.
- the membrane wall of the reservoir bladder 66 is accommodated at its top in a membrane holder 86, which is engageable with its underside in a transverse wall 88 of the storage bladder assembly; In the rest, however, also in this transverse wall region, a passage point 10 leaves open for the gas supply via the Rulezu slaughterventil 90.
- the pertinent valve 90 is of conventional design, so that at this point will not be discussed in more detail and the valve 90 can be via a corresponding external thread in a Screw in the internal thread of the membrane holder 86.
- the membrane holder 86 passes through the connecting piece 22 with a slight projection and is fixed in position by means of a counter-holding ring 92.
- the plastic core container has an inner diameter of 240 mm and the connecting ring one of 140 mm.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Valve Device For Special Equipments (AREA)
- Lubricants (AREA)
- Check Valves (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006004120A DE102006004120A1 (de) | 2006-01-25 | 2006-01-25 | Hydrospeicher |
PCT/EP2006/009332 WO2007085277A1 (de) | 2006-01-25 | 2006-09-26 | Hydrospeicher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1977154A1 EP1977154A1 (de) | 2008-10-08 |
EP1977154B1 true EP1977154B1 (de) | 2009-10-14 |
Family
ID=37745179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06792276A Active EP1977154B1 (de) | 2006-01-25 | 2006-09-26 | Hydrospeicher |
Country Status (9)
Country | Link |
---|---|
US (1) | US7637285B2 (zh) |
EP (1) | EP1977154B1 (zh) |
JP (1) | JP5129157B2 (zh) |
CN (1) | CN101331355B (zh) |
AT (1) | ATE445803T1 (zh) |
DE (2) | DE102006004120A1 (zh) |
ES (1) | ES2333818T3 (zh) |
HK (1) | HK1125442A1 (zh) |
WO (1) | WO2007085277A1 (zh) |
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BR112021005499A2 (pt) * | 2018-10-02 | 2021-06-15 | Sulzer Mixpac Ag | cartucho, montagem de dispensação e método de fabricação de um cartucho |
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-
2006
- 2006-01-25 DE DE102006004120A patent/DE102006004120A1/de not_active Withdrawn
- 2006-09-26 DE DE502006005144T patent/DE502006005144D1/de active Active
- 2006-09-26 ES ES06792276T patent/ES2333818T3/es active Active
- 2006-09-26 WO PCT/EP2006/009332 patent/WO2007085277A1/de active Application Filing
- 2006-09-26 AT AT06792276T patent/ATE445803T1/de active
- 2006-09-26 EP EP06792276A patent/EP1977154B1/de active Active
- 2006-09-26 JP JP2008551655A patent/JP5129157B2/ja active Active
- 2006-09-26 CN CN200680047587.5A patent/CN101331355B/zh not_active Expired - Fee Related
- 2006-09-26 US US12/084,892 patent/US7637285B2/en active Active
-
2009
- 2009-04-03 HK HK09103188.7A patent/HK1125442A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE502006005144D1 (de) | 2009-11-26 |
CN101331355B (zh) | 2011-12-14 |
WO2007085277A1 (de) | 2007-08-02 |
US7637285B2 (en) | 2009-12-29 |
ATE445803T1 (de) | 2009-10-15 |
US20090107570A1 (en) | 2009-04-30 |
ES2333818T3 (es) | 2010-03-01 |
HK1125442A1 (en) | 2009-08-07 |
EP1977154A1 (de) | 2008-10-08 |
CN101331355A (zh) | 2008-12-24 |
JP5129157B2 (ja) | 2013-01-23 |
JP2009524778A (ja) | 2009-07-02 |
DE102006004120A1 (de) | 2007-07-26 |
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