EP0958473B1 - Pressure container for fluids - Google Patents

Pressure container for fluids Download PDF

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Publication number
EP0958473B1
EP0958473B1 EP98902308A EP98902308A EP0958473B1 EP 0958473 B1 EP0958473 B1 EP 0958473B1 EP 98902308 A EP98902308 A EP 98902308A EP 98902308 A EP98902308 A EP 98902308A EP 0958473 B1 EP0958473 B1 EP 0958473B1
Authority
EP
European Patent Office
Prior art keywords
casing
pressure container
container according
portable pressure
container
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.)
Expired - Lifetime
Application number
EP98902308A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0958473A1 (en
Inventor
Gaute Jensen
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.)
Hexagon Ragasco AS
Original Assignee
Raufoss Composites AS
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
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Application filed by Raufoss Composites AS filed Critical Raufoss Composites AS
Publication of EP0958473A1 publication Critical patent/EP0958473A1/en
Application granted granted 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
    • 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
    • F17C2201/058—Size portable (<30 l)
    • 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
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/068—Special properties of materials for vessel walls
    • F17C2203/0697—Special properties of materials for vessel walls comprising nanoparticles
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0115—Dismountable protective hulls
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0157—Details of mounting arrangements for transport
    • F17C2205/0165—Details of mounting arrangements for transport with handgrip
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0169—Details of mounting arrangements stackable
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • 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
    • F17C2205/05—Vessel or content identifications, e.g. labels
    • 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
    • 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
    • F17C2223/0146—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
    • 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
    • F17C2250/0408—Level of content in the vessel
    • F17C2250/0413—Level of content in the vessel with floats
    • 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
    • F17C2260/015—Facilitating maintenance
    • 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
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • 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
    • F17C2270/0709—Camping 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
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles

Definitions

  • the invention is related to a pressure container of the type comprising an inner fluid-tight liner and a pressure supporting layer outside the liner, as well as an outer, protective casing.
  • the liner and said layer as known per se consist of transparent or translucent materials
  • the casing comprises a middle section having surface portions being cut-away so that parts of the actual container, being located inside the casing, are visible externally, and that the casing has shock-absorbent properties.
  • the liner or inner layer can be manufactured by methods known per se, in particular blow-moulding as one piece or injection moulding in two or more parts to be assembled.
  • the particular form of casing comprised by the invention can also be produced by injection moulding, possibly in two or three separate parts being then assembled into an integral structure.
  • the casing structure has shock-absorbent properties, provided for by a suitable choice of materials and/or the actual configuration of the casing.
  • the pressure container according to the invention having a casing as stated above, has substantial advantages, in particular in consideration of two important factors with respect to this type of pressure containers, where there is involved a filling of a fluid in liquid phase, such as propane, to be delivered to a consumer appliance or the like upon vaporization in the pressure container.
  • a fluid in liquid phase such as propane
  • it is of much interest to the users to be able to observe the liquid level in the container which is possible when this consists of transparent or translucent materials.
  • the cut-away portions of the casing makes it possible to observe the liquid level. Besides these portions will involve a "venetian blind" effect, that in strong sun radiation prevents a too intense heating of the actual pressure container.
  • the configuration of the casing with the cut-away portions enable an air flow from the outside and over the actual container surface, so that the required heat can be supplied thereto for the varorization mentioned above.
  • This latter and highly desirable effect will be particularly enhanced when at least the preferably cylindrical middle section of the casing, according to a preferred embodiment of the invention, is designed with spacer elements so as to form air flow passages between the container surface and the casing in general.
  • the air flow passages are adapted to extend in a generally vertical direction when the pressure container has a normal, standing position resting on the bottom and with the axis of the cylindrical section oriented substantially vertically.
  • the actual container, which is manufactured for a desired volume capacity, in Figs. 1 and 2 is indicated with reference numeral 3.
  • the container 3 comprises an inner layer or liner 1, in the first place adapted to be a fluid-tight layer so that the contents can not escape from the container, even when being under comparatively high pressure.
  • a reinforcing or pressure-supporting layer 2 being here provided by means of winding fibre reinforced elements, such as glas fibres to which there has been applied a suitable adhesive or the like, for subsequent curing in the form of a number of winding layers on the liner 1.
  • winding fibre reinforced elements such as glas fibres to which there has been applied a suitable adhesive or the like
  • Fig. 2 Quite in general in Fig. 2 at 4 there are shown parts incorporated in a mounting arrangement for a valve or the like, at an opening on top of container 3. See also Fig. 1 in this connection. These parts of the structure however, are only of subordinate interest in connection with the present invention, and will not be discussed further here.
  • the casing 5 shown comprises a middle section 7 being preferably of a generally cylindrical shape, a top section 8 and a bottom section 9. As indicated in Fig. 3 these three sections can be produced separately and then be assembled into a more or less integrated, total structure constituting the casing 5.
  • sections 7 and 9 can be manufactured integrally as one piece, e.g. by injection moulding, and subsequently be joined to the top section 8 when the actual container 3 has been put into the middle section 7.
  • Another alternative consists in producing sections 7 and 8 integrated as one piece, with subsequent joining to the bottom section 9. Taking into account, inter alia, a rational production, the casing can also as a whole in its basic shape deviate more or less from the basic shape of the container within it.
  • the middle section 7 is built up by a number of ribbon-like elements of which two are indicated at 7E and 7F, extending around the whole circumference of section 7 and having a spacing in axial direction, as indicated e.g. at 7A, 7B and 7C.
  • These spaces form the cut-away surface portions mentioned above, that make it possible to observe parts of the actual container 3 inside the casing, in particular for the purpose of seeing the liquid level in the container.
  • the cut-away portions or spaces 7A, 7B and 7C have a substantially larger dimension in the lateral direction than in the height direction.
  • This design is also favourable in view of the venetian blind effect mentioned above, i.e. a shading effect against undesired solar heating.
  • the middle section 7 there is in addition to the ribbon elements around the circumference, also provided longitudinal elements as shown e.g. at 11 and 12, forming in this example a rectangular, cross-wise pattern of the ribbon elements.
  • the configuration of pattern or elements forming the middle section 7 of the casing can be varied within wide limits while maintaining the effect described, on the basis of cut-away surface portions. These can be more or less elongate and can extend in different directions, also at an inclination. Oval and circular open portions can also be contemplated.
  • the proportion of the total surface of the middle section representing the cut-away surface portions can vary a good deal in relation to what is seen from the example of Fig. 1 and 3. It is preferred however, that the cut-away portions constitute a relatively significant proportion of the total surface It has been found that the proportion of cut-away surface portions should be at least 20% of the total exterior surface of the casing.
  • middle section 7 On the inside of middle section 7 there is provided a number of projections, ribs or webs adapted to form relatively wide air gaps between the outer surface of container 3 and the main parts of the adjacent casing.
  • Such ribs or webs are shown at 14 and 15 in Fig. 1, and an additional example is illustrated at 16 in Fig. 3.
  • As will appear from this figure there is a relatively high number of such projecting ribs around the whole circumference interiorly of middle section 7. In this way there are formed air gaps that make possible air flows, in particular in vertical direction as indicated with arrow 20 in Fig. 1.
  • This solution as also seen in association with the cut-away portions 7A, 7B and 7C in Fig.
  • the spacer elements shall also have a resilient and shock-absorbing effect in relation to container 3, they can be adapted to be deformed preferably elastically when there is a tendency to small relative movements between the casing and the container, i.e. movements or stresses mainly normal to the major surfaces.
  • a resilient structure can also be useful in the case of expansion of container 3, e.g. during filling to a certain overpressure, or in the case of different heat expansion of the container and the casing 7 during temperature changes. It is obvious that such resilient spacer elements can have their effect based on other mechanisms than bending as mentioned, e.g. in that the element material as such yields, or by some form of break mechanism, possibly with a resulting permanent deformation.
  • Elastically resilient spacer elements as discussed above, can also serve to accommodate or even out dimension variations in containers 3 as produced, and besides they can have a useful effect for load distribution so that reaction forces between casing and container will be distributed over a larger surface area on the basis of contact or engagement that in principle can have a linear form. This latter effect will be present on condition that the spacer elements are provided and distributed at such a number and with such length that a regular distribution of the load or stresses as mentioned, will be attained.
  • top section 8 When looking at the top section 8 in Figs. 1 and 3, it will be seen that at the lower portion thereof there is an edge 18 around the circumference, intended for cooperation with and joining to the top of section 7.
  • a relatively strong ring 8A which among other things, forms a practical and convenient handgrip for lifting and manipulating the pressure container as a whole.
  • a deep cut-out portion 8B From handgrip 8A there is shown a deep cut-out portion 8B which permits a convenient leading out of e.g. a propane hose from a connector and valve device (not shown) on top of the actual container 3.
  • This top area of container 3 with components 4 (Fig. 2) are freely accessible from above through a top opening 8D in top section 8.
  • Ribs 8C like the spacer elements described above, can have an effect both for the desired air flow as for schock-absorbing and compensation for expansion, as explained above.
  • bottom section 9 As far as bottom section 9 is concerned, this has also an upwardly directed edge or the like 19 for joining to the lower circumference of middle section 7.
  • Bottom section 9 has a central opening 9A making possible inspection of the bottom of container 3 after assembly, whereby the profiled shape of the bottom portion of bottom section 9 brings opening 9A to be located somewhat elevated in relation to the downwardly facing supporting surface of bottom section 9.
  • the underside of bottom section 9 and the top of top section 8, in particular handgrip 8A are so mutually adapted and designed that pressure containers can be stacked on top of each other.
  • the profiled form of the bottom as mentioned has a wavy shape as shown at 9B and 9C in Figs. 1 and 3, forming rings in a bellows-like bottom portion or suppporting member which has a certain degree of resiliency, and thus has a shock-absorbing effect in relation to the bottom of container 3.
  • this has a recess 9E being open laterally at a portion of the circumference, so that there is provided a suitable handgrip, obtained in particular in view of the spacer elements, which means that this circumferencial portion below edge 19 will lie at a certain distance from the adjacent container surface.
  • Fig. 4 a middle section 27 intended for a propane bottle of maximum capacity 11 kg propane.
  • Section 27 in Fig. 4 is composed of quite corresponding elements as section 7 in Fig. 3, but the number of ribbon elements 31-38 is approximately doubled.
  • the corresponding gaps or cut-away portions are denoted 41-48 in Fig. 4.
  • the example of Fig. 4 has longitudinal, bracing elements as shown at 21 and 22.
  • a rib-shaped spacer element 26 as one of several such elements around the internal circumference of section 27.
  • Fig. 5 in a simplified way shows another and preferred embodiment of a casing for the pressure container according to the invention, more specifically a middle section 57 for such a casing.
  • a middle section 57 for such a casing.
  • portions 51, 52 and 53 here have a relatively slit-like shape, being distinguished from the surface pattern of Figs. 3 and 4 in that the slit or gap portions extend generally in the axial direction instead of the circumferencial direction.
  • the venetian blind effect referred to above will be obtained, and the same applies to the effect on the air flow between the casing and a container inside it.
  • FIG. 6 shows only a partial segment of a middle section 67 in a corresponding perspective view as Fig. 5.
  • Fig. 6 shows only a partial segment of a middle section 67 in a corresponding perspective view as Fig. 5.
  • a recess or opening that in itself alone has a relatively small extension, but with a quite high number of such openings or cut-away portions, being located at a quite small spacing, there is provided a total through-flow area that can have the same effect as the gaps or openings in Fig. 3 and Fig. 5, respectively.
  • each of these or groups of these in combination can represent letters or other characters, or possibly a logo being a company symbol or a trademark. This may then indicate the manufacturer or distributor of the pressure container.
  • FIG. 7 A further modification, relating to the bottom section, is illustrated in Fig. 7.
  • the one in Fig. 7 has a number of rib-like spacer elements, three such elements 71, 72 and 73 being specifically indicated in the interior of bottom section 79 in Fig. 7.
  • these elements 71, 72 and 73 and so forth will have a favourable effect both on the air flow and with respect to shock-absorbing, heat expension and dimensional tolerances in the actual container and the casing.
  • spacer elements 71, 72, 73 and so forth have a certain inclination so that they form an angle to adjacent surface portions of the actual container 77, this angle being different from 90°.
  • Such an inclination implies that the elements so to speak are prepared for a deformation by flexing, namely to a more bent inclination upon occurence of sufficiently high stress or forces from container 77.
  • spacer elements extending further upwards along container 77, in a middle section of the casing, or also in a top section.
  • Fig. 8 shows a complete arrangement of such elements 71, 72, 73 and so forth, in bottom section 79, being here seen from above. There is also seen a relatively large central opening 75 where the radially inner ends of the spacer elements are located. The bottom of container 77 will be accessible through such an opening 75, but it is obvious that this does not necessarily have to be provided, since a substantially complete, cover or bottom design can be incorporated in bottom section 79. Such a tight bottom will be able to protect the actual container 77 in a better way against damage from below, but nevertheless can be provided with smaller holes or perforations, e.g. for draining out water.
  • FIG. 9 An alternative embodiment of the bottom structure with associated spacer elements, is shown in Fig. 9. From the circumference of the bottom section 99 shown therein, plate-shaped elements are extended to be tangent to a central opening 95 similar to opening 75 in Fig. 8. One such element is indicated at 91. With such an arrangement the spacer elements will have an inherent inclination in relation to the bottom itself, or possibly the top, of an inserted container, so that a corresponding effect as discussed above with reference to Figs. 7 and 8, will be obtained. In Fig.
  • Figs. 10 and 11 are in particular directed to arrangements of spacer elements in the bottom section, in the principle by locating a number of such elements in an arcuate or circular form about the central axis of the associated container and casing. More definitely bottom section 100 i Fig. 10 has upwardly projecting, relatively long spacer elements 101 and 102 which in a polygonal pattern extend around the bottom section.
  • the somewhat related arrangement in Fig. 11 shows a higher number of spacer elements 111 and 112, respectively, being each shorter than the elements in Fig. 10, and forming together approximately circular patterns in bottom section 110. Because of the curvature of the bottom of the associated container itself, the spacer elements both in Fig. 10 and in Fig.
  • shock-absorbing shapes or bodies at other desired locations in the casing structure, as will be obvious to an expert in the field.
  • handgrip 8A on top section 8 and supporting or engagement members around the bottom of bottom section 9 can be formed as hollow structures as known per se, with e.g. an open or foam-like core, so as to sustain mechanical stresses that will occur during practical use of such pressure containers.
  • a nut-like part 4A that can e.g. have a hexagonal shape, which by the strong anchoring of the boss structure at the top of the actual container 3, implies that this and nut-part 4A are rotationally securely interconnected.
  • the nut-part 4A thus can be favourably utilized.
  • the users of such pressure containers will not be dependent on a secure rotational anchoring of the casing structure described, outside the actual pressure container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Particle Accelerators (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
EP98902308A 1997-01-31 1998-01-27 Pressure container for fluids Expired - Lifetime EP0958473B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO970449A NO306226B1 (no) 1997-01-31 1997-01-31 Trykkbeholder
NO970449 1997-01-31
PCT/NO1998/000026 WO1998034063A1 (en) 1997-01-31 1998-01-27 Pressure container for fluids

Publications (2)

Publication Number Publication Date
EP0958473A1 EP0958473A1 (en) 1999-11-24
EP0958473B1 true EP0958473B1 (en) 2003-06-25

Family

ID=19900319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98902308A Expired - Lifetime EP0958473B1 (en) 1997-01-31 1998-01-27 Pressure container for fluids

Country Status (9)

Country Link
EP (1) EP0958473B1 (pt)
AT (1) ATE243826T1 (pt)
AU (1) AU5886698A (pt)
DE (1) DE69815818T2 (pt)
DK (1) DK0958473T3 (pt)
ES (1) ES2202803T3 (pt)
NO (1) NO306226B1 (pt)
PT (1) PT958473E (pt)
WO (1) WO1998034063A1 (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009106862A2 (en) * 2008-02-25 2009-09-03 Johnson Matthey Plc Purification unit
FR2946121A1 (fr) * 2009-06-02 2010-12-03 Gaz Liquefies Ind Bouteille de gaz sous pression

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Publication number Priority date Publication date Assignee Title
CZ300037B6 (cs) * 2002-07-11 2009-01-14 Kompozit - Praha S.R.O. Nádoba na skladování zkapalnených a stlacených tekutin
WO2005071306A1 (en) * 2004-01-23 2005-08-04 Sergei Glebovich Koldybaev Container with transparent liner and semitransparent wall
US7699188B2 (en) * 2004-04-23 2010-04-20 Amtrol Licensing Inc. Hybrid pressure vessel with separable jacket
US7255245B2 (en) * 2004-04-23 2007-08-14 Amtrol Inc. Hybrid pressure vessel with separable jacket
TR200502731A2 (tr) * 2005-07-13 2007-02-21 Aygaz Anoni̇m Şi̇rketi̇ Bir tüp.
DE102006037520B3 (de) * 2006-08-10 2008-03-13 B&K Kunststoffwerke Gmbh & Co. Kg Verfahren zur Herstellung eines Druckbehälters
JP5210432B2 (ja) 2009-04-01 2013-06-12 日産自動車株式会社 圧力容器の構造及び製造方法
WO2011152733A1 (en) 2010-05-31 2011-12-08 Ragasco As Composite pressure container and method of manufacturing the same
GB2483501A (en) * 2010-09-13 2012-03-14 Graham Taylor See through gas bottle
WO2013000954A1 (en) 2011-06-28 2013-01-03 Ragasco As Improved boss for composite pressure container
PL2726774T3 (pl) 2011-06-28 2017-01-31 Hexagon Ragasco As Króciec do kompozytowego ciśnieniowego zbiornika
PT2726773T (pt) 2011-06-28 2021-01-28 Hexagon Ragasco As Saliência melhorada para recipiente compósito
WO2013168080A1 (en) * 2012-05-10 2013-11-14 Hexagon Raufoss As Composite pressure container and method for production thereof
KR101356776B1 (ko) * 2013-05-16 2014-01-27 주식회사 코베아 휴대용 버너
NL2011521C2 (en) * 2013-09-30 2015-04-01 Advanced Lightweight Engineering B V Refillable gas tank with modular housing.
NO337769B1 (no) 2014-10-14 2016-06-20 Hexagon Raufoss As Fremgangsmåte og verktøy for produksjon av en klemlinjefri liner
FR3042585B1 (fr) * 2015-10-15 2018-03-09 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Chapeau de protection de robinet de bouteille de fluide sous pression et bouteille comprenant un tel chapeau
PT3466639T (pt) 2017-10-03 2021-11-02 Hexagon Ragasco As Método e aparelho para preparar um revestimento para um recipiente composto de pressão
PT3870889T (pt) * 2018-10-24 2024-08-07 Amtrol Licensing Inc Recipiente de pressão híbrido com revestimento plástico
US11268361B2 (en) 2019-04-29 2022-03-08 Westerman, Inc. Separation assembly
USD931979S1 (en) 2019-10-23 2021-09-28 Amtrol Licensing, Inc. Cylinder

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US3972450A (en) * 1975-03-10 1976-08-03 Tom Walters Containers
GB1604356A (en) * 1978-05-31 1981-12-09 Imi Norgren Ltd Bowl assembly for compressed gas processing apparatus
DD234475A1 (de) * 1985-02-11 1986-04-02 Halbleiterwerk Veb Vorrichtung zur traegergasbeladung und zur bevorratung fluessiger medien
CA1326832C (fr) * 1987-07-21 1994-02-08 Claude Leon Hembert Reservoir de fluide et son procede de fabrication
ES2124514T3 (es) * 1995-07-07 1999-02-01 Tosto Walter Serbatoi Spa Contenedor protector para la instalacion subterranea de tanques para gas licuado a presion.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009106862A2 (en) * 2008-02-25 2009-09-03 Johnson Matthey Plc Purification unit
WO2009106862A3 (en) * 2008-02-25 2009-10-22 Johnson Matthey Plc Purification unit
FR2946121A1 (fr) * 2009-06-02 2010-12-03 Gaz Liquefies Ind Bouteille de gaz sous pression
WO2010139885A1 (fr) * 2009-06-02 2010-12-09 Gaz Liquefies Industrie Bouteille de gaz sous pression

Also Published As

Publication number Publication date
ATE243826T1 (de) 2003-07-15
DE69815818T2 (de) 2004-05-13
NO970449L (no) 1998-08-03
EP0958473A1 (en) 1999-11-24
ES2202803T3 (es) 2004-04-01
NO306226B1 (no) 1999-10-04
NO970449D0 (no) 1997-01-31
DK0958473T3 (da) 2003-09-29
AU5886698A (en) 1998-08-25
PT958473E (pt) 2003-11-28
DE69815818D1 (de) 2003-07-31
WO1998034063A1 (en) 1998-08-06

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