EP2010815B1 - Récipient intérieur destiné à contenir un liquide cryogène et entouré par un récipient extérieur - Google Patents

Récipient intérieur destiné à contenir un liquide cryogène et entouré par un récipient extérieur Download PDF

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Publication number
EP2010815B1
EP2010815B1 EP07724475A EP07724475A EP2010815B1 EP 2010815 B1 EP2010815 B1 EP 2010815B1 EP 07724475 A EP07724475 A EP 07724475A EP 07724475 A EP07724475 A EP 07724475A EP 2010815 B1 EP2010815 B1 EP 2010815B1
Authority
EP
European Patent Office
Prior art keywords
top wall
caps
inner tank
wall
webs
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.)
Not-in-force
Application number
EP07724475A
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German (de)
English (en)
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EP2010815A1 (fr
Inventor
Klaus Hausberger
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.)
Magna Steyr Fahrzeugtechnik GmbH and Co KG
Original Assignee
Steyr Daimler Puch Fahrzeugtechnik AG and Co KG
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Publication of EP2010815A1 publication Critical patent/EP2010815A1/fr
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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
    • F17C3/00—Vessels not under pressure
    • 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
    • F17C2201/0147—Shape complex
    • F17C2201/0157—Polygonal
    • 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
    • F17C2201/0166—Shape complex divided in several chambers
    • 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
    • F17C2201/0171—Shape complex comprising a communication hole between chambers
    • 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
    • F17C2201/035—Orientation with substantially horizontal main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/013—Reinforcing means in the vessel, e.g. columns
    • 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
    • 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
    • F17C2203/015—Bars
    • 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
    • F17C2203/03—Thermal insulations
    • 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
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • 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
    • F17C2203/0636—Metals
    • F17C2203/0646—Aluminium
    • 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
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • 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
    • 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
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • 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
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • F17C2209/222—Welding by friction
    • 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
    • F17C2209/22—Assembling processes
    • F17C2209/227—Assembling processes by adhesive means
    • 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
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • 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
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • 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
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/234—Manufacturing of particular parts or at special locations of closing end pieces, e.g. caps
    • 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
    • F17C2221/01—Pure fluids
    • 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
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • 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
    • 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
    • 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
    • F17C2260/012—Reducing weight
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles

Definitions

  • the invention relates to a flanked by an outer container, for receiving a cryogenic liquid, in particular a fuel serving inner container in flattened construction, in particular inner tank for a road vehicle.
  • a flat rectangular construction of containers for cryogenic fuels is particularly desirable for use in motor vehicles. This results in the problem of achieving a sufficient strength or stability, in particular a sufficient Beulsteiftechnik or Beulfestmaschine of the container.
  • the container has an upper and a lower shell made of plastic, wherein the shells are connected to each other by means of a plurality of tubular tension struts, in order to prevent buckling of the container by the internal pressure.
  • the disadvantage is that for each vehicle model, a separate tank container must be developed, which also always requires new shapes and tools.
  • a container for liquid fuels is also from the GB 2089014 A known.
  • This container has a structure of a plurality of interconnected part-cylindrical lobes.
  • the object of the invention is to avoid the disadvantages and difficulties inherent in the prior art and has as its object the provision of a container of the type described in the introduction, in particular a cryotank for the storage of cooled liquid hydrogen, to create, which is simple and economical to produce, in a simple manner to a given cuboid space of a motor vehicle in the production adaptable, which also has a favorable ratio of the weight of the maximum absorbable liquid to the own weight and which allows, without subsequent processing, for example by providing holes for the purpose of filling and removal to get along.
  • this object is achieved by an inner container according to claim 1.
  • this Referenzdeck- and / or reference base wall is determined in each case as a plane connecting plane of the base or top side straight ends of the webs.
  • the cover and / or base wall has a curvature which depends substantially on the expected internal pressure in the inner container. According to the invention, it is ensured that the notch stresses between the curved surfaces of the base wall and / or the cover wall and, on the other hand, the effective dead spaces between the inner and outer tanks are kept small due to the predetermined slight curvature.
  • Curvatures greater than the curvatures according to the invention considerably jeopardize the space efficiency, in particular because, according to the prior art, multi-layer insulation (MLI, multi-layer insulation) is to be provided around the inner container.
  • MMI multi-layer insulation
  • the distance is defined as the normal distance.
  • one of the webs coincides with a substantially straight side wall.
  • an embodiment of an inner container with two chambers is provided in particular, wherein between the two chambers, a single web is provided, however, at least one of the two side walls is made substantially straight.
  • the side wall is considered as a second web.
  • the cover and / or base wall at least partially on a convex curvature seen from the outside.
  • At least one of the caps connects directly to the main body dull.
  • the cover and / or base wall in each case with respect to a flat Referenzdeck- and / or reference base wall a bulge with a centrally between the webs each between the inner contour of the cover and / or base wall and the plan Referenzdeck- and / or reference base wall measured distance of less than 25%, preferably less than 20%, more preferably less than 15% or 10% of the width of the chamber.
  • the base wall and / or the top wall are / is designed essentially flat.
  • the base and / or the top wall in each case with respect to a plan Referenzdeck- and / or reference base wall a bulge with a centrally between the webs each between the inner contour of the cover and / or base wall and the plan Referenzdeck- and / or reference base wall measured distance of more than 3%, in particular a distance in the range between 5% and 15%, preferably between 5% and 10%, of the width of the chamber.
  • the caps each overlap the ends of the chambers.
  • either individual caps are provided which close the chambers of the base body separately at one end of the main body or a cap which engages over a plurality of chambers and closes them together.
  • At least one of the caps forms a space connecting the chambers.
  • a gas or liquid exchange or compensation could take place via corresponding openings in the webs in the region of the main body.
  • At least one of the caps is substantially flat or flat.
  • a production of such a cap is particularly simple and inexpensive to implement.
  • a plurality of the caps are substantially planar and has at least one of the caps on a non-flat voluminous shape, said cap for the filling and / or extraction line and / or for receiving the sensor, for example, for determination the liquid level in the inner container, is provided.
  • At least one of the webs in the region of attachment of at least one of the caps on the base and / or top wall to a cut-free all webs have at least one free cut, in particular in each case at each end, a free cut.
  • a free cut is understood to mean, in particular, a return of an edge. Due to the free cut in the region of the attachment, which is preferably produced in the prior art by thermal methods such as welding or soldering, excessive production of the fastening seam, in particular the welding or soldering seam heat over the web is prevented. In this way, a uniform attachment seam between the cap and the body can be ensured.
  • the free cuts may contribute to the better communication of the chambers of the base body, wherein a corresponding gas or liquid exchange between the chambers of the inner container can be carried out by the free cuts.
  • At least one of the caps with a, preferably circumferential, attachment seam, in particular a weld, attached to the body, and the webs in each case in the region of, preferably circumferential, fastening seam, in particular a weld, a free cut.
  • At least one of the caps has a number of recesses into which projects the aligned in the longitudinal direction of the main body free end of at least one of the webs. According to this embodiment, the stability of the inner container and / or of the base cap closing cap (s) can be significantly increased.
  • the web is secured in the region of the recess of the cap via a weld on the cap.
  • a preferred in terms of strength and moderately favorable production embodiment is characterized in that the web is aligned approximately perpendicular to the base and parallel to its extending top wall of the body.
  • the inner container has a profile transversely to the longitudinal extent in the form of a rectangle, wherein for easy production of the caps, the longitudinal edges connecting the side walls with the base wall and the top wall are rounded.
  • a particularly favorable method of manufacturing the main body is given if it is designed as a one-piece extruded profile, wherein preferably the wall thicknesses of all walls are approximately equal or the wall thickness of a web is less than that of the base, cover and side walls.
  • a particularly favorable method of manufacturing the body is given when the wall thicknesses of all walls are about the same size or the wall thickness of a web is less than that of the base, cover and side walls.
  • the inner container is characterized in that the transitions between the web and the base or top wall are rounded with a curvature, in particular a radius, which is greater than or equal to the wall thickness of the web or the wall thickness of the base or top wall , According to a further embodiment, the transitions have a plurality of radii or at least parts of a free-form curve.
  • the base body and the caps made of light metal, in particular of an aluminum alloy.
  • the caps are deep-drawn, forged or cast, in particular cast with a die-casting process, wherein expediently the caps are connected to the main body by means of a circumferential weld.
  • the caps are connected to the base body by means of a circumferential weld.
  • the abutting edges are subjected to a pretreatment for connecting the caps with the base body, preferably at least one of the edges is provided with a fold to form an overlap of the components.
  • a fold is particularly advantageous for the use of fusion welding.
  • the friction stir welding has proven particularly useful. Furthermore, the so-called multi-orbital friction welding ("Rotary Friction Welding” or “Linear Friction Welding”) or the so-called “Friction Stir Welding” can be used to produce a weld.
  • any tank internals such as sensors for pressure and / or temperature and / or level and the necessary lines are provided inside a cap and optionally integrated into a pipe socket of a cap.
  • a filling and / or a removal opening is / are provided in one of the caps.
  • bearing elements are preferably arranged on the caps, which store the inner container to the outer container.
  • a bearing element is designed as a bearing bush, preferably made of an aluminum alloy and expediently provided in a local indentation of the cap, into which a plastic part, preferably a fiber composite component, can be inserted, which plastic part projects into a bearing bush provided on the outer container.
  • spacers may additionally be fastened to the caps or formed integrally with the caps.
  • a further assurance of the position of the inner container is given if a filling and removal line is guided on the top wall on the outside of the inner container.
  • At least one of the caps has a number of recesses, in which projects in the longitudinal direction of the main body aligned free end of at least one of the webs.
  • the web is secured in the region of the recess of the cap via a weld on the cap.
  • the web has a cutout in the region of the attachment of at least one of the caps on the base and / or top wall.
  • At least one of the caps with a, preferably circumferential, attachment seam, in particular a weld, attached to the body and the web has in each case in the region of, preferably circumferential, fastening seam, in particular a weld, a cut-free.
  • At least one of the caps has a number of recesses into which projects the aligned in the longitudinal direction of the body free end of the web.
  • the web is secured in the region of the recess of the cap via a weld on the cap.
  • FIG.1 a side view
  • Fig.2 shows an end view of an outer container in which an inner container is arranged for receiving a cryogenic fuel.
  • Figure 3 shows a section through the outer container according to the line III-III of Fig.1.
  • Figure 4 represents a section along the line IV-IV of Figure 3 represents.
  • Figure 5 illustrates an exploded view of the inner container, before its assembly and Fig.6 and Fig.7 show different configurations of a weld for the inner container.
  • a suspension of the inner container to the outer container is shown in detail in Figure 8 shown.
  • FIG. 9-11 another possible embodiment is shown.
  • FIG. 9 shows a side view in the longitudinal direction of the laterally open inner container
  • Fig. 10 an axonometric view of the body.
  • Fig. 11 is a section through and along one of the webs and the cap of the inner container illustrated.
  • Fig. 12-14 Another embodiment is the subject of Fig. 12-14 , in which Fig. 12 an axonometric view of this embodiment shows.
  • Fig. 13 is a side view in the longitudinal direction of the laterally open inner container shown and in Fig. 14 an enlarged view of one Fig. 13
  • Fig. 15 illustrates a part of the inner container in axonometric view, wherein for clarity, the cap and the main body are shown in an exploded view.
  • an inner container 3 which serves to receive a cryogenic liquid, in particular a cryogenic fuel.
  • a cavity surrounding the inner container 3 is provided between the inner 3 and the outer container 4 completely.
  • the inner container 3 is of three parts, which in detail Figure 5 are formed, of a base body 4, which is integrally formed, a flat smooth-surfaced cover and base wall 5, 6, which are connected to each other along the base body 4 extending side walls 7 via rounded portions 8. Between the side walls 7 are also provided longitudinally extending webs 9 parallel to these, which also connect the top wall 5 with the base wall 6 and are formed by the longitudinally extending chambers 10 which extend over the entire length of the base body 4.
  • the main body 4 is preferably made of light metal, in particular an aluminum alloy, and is advantageously and inexpensively produced by extrusion.
  • the wall thicknesses of all the walls 5, 6, 7, 9, the base body are about equally strong, with transitions between a web 9 and the base 6 and the top wall 5 are formed rounded to avoid stress peaks with a radius of expedient equal or greater is the wall thickness of the web 9 or the wall thickness of the base 6 or top wall 5.
  • the wall thickness of a web 9 if it allows the strength to be smaller than the wall thickness of the base 6, the cover 5 and the side walls 7.
  • a cap 11 can be attached, which is tightly connected to the base body 4, preferably via a weld 12. These caps 11 overlap the ends of all chambers 10 and form a chamber 10 connecting the free space 10 ', so the chambers 10 are conductively connected to each other with a relatively large cross section.
  • the caps 11 are either deep-drawn, forged or cast, preferably with a die-casting process.
  • abutting edges 13, 14 are subjected to a pretreatment, with expedient variants in Fig.6 and Fig.7 are shown.
  • a fold 15 is incorporated to form an overlap.
  • the friction stir welding has proven particularly useful.
  • a preferred variant is in Fig. 8 shown.
  • a bearing bush 18 is provided on a recess 17 of the inner container, preferably also made of an aluminum alloy.
  • a plastic body 19, preferably designed as a fiber composite plastic pipe with metal coating can be used.
  • This plastic body 19 projects into a bearing bushing 21 provided in a recess 20 of the outer tank 1, preferably likewise made of an aluminum alloy.
  • the bushings 18, 21 are glued to the outer container 1 and the inner container 3, welded or integrally formed with these.
  • the plastic body 19 may be glued or screwed to the bearing bushes 18, 21, for example by means of a union nut.
  • a further securing position of the inner container 3 in the outer container 1 can be provided by spacers 22 arranged on the caps 11 (or integrally formed therewith) and resting against the outer container 1. Removal and filling lines 23, which are arranged on the outside of the top wall 5, also contribute to the stabilization of the position of the inner container 3 in the outer container 1 at.
  • Any tank installations such as sensors for pressure and / or temperature and / or level and the necessary lines and a removal or filling 23 are provided inside one of the caps 11 or both caps 11, wherein any outwardly leading pipe socket in the Caps 11 integrated sin.
  • the high loadable base body 4 results in connection with the caps 11 formed as curved shells on all sides equally high pressure vessel.
  • the base body 4 can be produced inexpensively in a short production time, it is only necessary to separate for different sized tanks this body 4 in different lengths from the extruded profile.
  • the number of existing in the base body 4 chambers 10 can of course be varied and is at best dependent on the desired inner volume of the inner container. 3
  • the production of the inner container 3 can be much faster, more reliable and cheaper than, for example, the production of a barrel-shaped inner container.
  • FIG. 9 another possible embodiment of an inner container 24 according to the invention is shown.
  • webs 25 connect the base 26 with the top wall 27 of the body 28 and thus form in the body chambers for storing a gas and / or a liquid. Between the webs 25, the chamber 29 are arranged.
  • the main body 28 of the Fig. 9 essentially a planar base 26 and top wall 27 on.
  • the webs 25 in the region of the base 26 and the top wall 27 each free cuts 30. These free cuts 30 are provided in the region of contact of the cap 31 with the main body 28, in particular the contact of the cap 31 with the base 26 and the top wall 27 of the base body. If the cap 31 is welded to the main body 28, it prevents the welding heat from being dissipated excessively over the web 25 by the welding points 32 during the welding process. How out Fig. 11 it can be seen that the cap bluntly, in particular as a so-called butt weld, to the body. Such a butt weld can be produced for example by friction stir welding. In this way, a uniform weld can be ensured.
  • the chambers 29 of the body 28 can communicate with each other.
  • a, for example, arched, cap 31 is provided, which closes only a single chamber and does not overlap over a plurality of chambers 29.
  • the cap 31 is attached to the base 26 and the top wall 27 as well as to the webs 25 bounding the chamber 29 on both sides, in particular by welding and / or soldering.
  • FIG. 12-14 differs from the embodiments already discussed in that the base 33 and the top wall 34 each have a slight curvature, in particular at least partially - seen from the outside - convex curvature having.
  • a slight curvature on the one hand significantly improves the stability of the inner container, and on the other hand ensures efficient use of space and a good insulating capacity of the inner container.
  • For the determination of the curvature is starting from a plane reference plane 35 each in the region of the base 33 or top wall 34 in the middle (center line M) between the webs 36 of the chamber 37 of the Normal distance D between the reference plane 35 and the inner contour of the base 33 or top wall 34 measured.
  • the distance D is about 8% of the width of the chamber B (measured in the region of the reference plane).
  • the flat reference plane 35 is in each case determined as a plane connecting plane of the base or top wall-side straight ends of the webs 36 (without or in front of a possibly provided rounding in the transition to the base or top wall).
  • FIG. 15 Another embodiment is accordingly Fig. 15 shown.
  • a flat cap 38 is provided, which closes the chambers 39 of the base body 40.
  • How out Fig. 15 can be seen on the webs 41 in the area in which the webs 41 adjacent to the base and top wall also free cuts 42 are provided. If the cap 38 is attached to the base body 40 along the outer edge 43 with a welding or soldering seam, this ensures a uniform welding or soldering seam.
  • a gas and / or liquid equalization between the chambers 39 can take place via the recesses or free cuts 42 in the base body 40 closed by the cap 38. How out Fig. 15 wents seen, the cap 38 elongated recesses 43.
  • these elongate recesses substantially correspond to the dimensions of the longitudinal ends 44 of the webs 41. If the main body 40 is closed by the cap 38, the longitudinal ends 44 of the webs 41 protrude into the corresponding recesses 43. According to a preferred embodiment of the invention, the longitudinal ends 44 of the webs 41 pass through the corresponding recesses 43 of the cap 38 and protrude out of the cap 38 on the side of the cap 38 facing away from the chambers 39. According to a particular embodiment, the longitudinal ends 44 of the webs 41 are secured in the region of the recesses 43 with the cap 38, for example by a gas-tight welding or soldering. By this additional attachment, the stability of the inner container can be further improved and a particularly compact design of the inner container can be realized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (15)

  1. Récipient intérieur (3) de type aplati, destiné à contenir un liquide cryogène, en particulier un carburant, et entouré par un récipient extérieur (1), en particulier réservoir intérieur pour un véhicule routier, caractérisé par la combinaison des caractéristiques suivantes:
    • un corps de base (4) d'une seule pièce, s'étendant en longueur, avec une paroi de plafond (5) et une paroi de base (6), qui sont reliées par des parois latérales (7) s'étendant également en longueur, et avec au moins deux cloisons essentiellement rectilignes (9) reliant la paroi de base (6) à la paroi de plafond (5) pour la formation d'au moins une chambre (10) s'étendant en longueur et disposée entre les cloisons, qui s'étend sur toute la longueur du corps de base (4) et chaque fois de la paroi de base (6) à la paroi de plafond (5), dans lequel la chambre s'étendant en longueur présente entre les cloisons une largeur prédéterminée, et
    • au moins deux coiffes (11), qui ferment de façon étanche, chaque fois en périphérie, les deux extrémités ouvertes du corps de base (4), et
    • dans lequel la paroi de plafond et/ou la paroi de base présente respectivement, par rapport à une paroi de plafond de référence et/ou à une paroi de base de référence plane, un bombage avec une distance, mesurée au milieu entre les cloisons, respectivement entre le contour intérieur de la paroi de plafond et/ou de la paroi de base et la paroi de plafond de référence et/ou la paroi de base de référence plane, de moins de 30 % de la largeur de la chambre, et
    • les coiffes (11) sont munies d'éléments de palier (18), qui appuient le récipient intérieur sur le récipient extérieur, et
    • un élément d'appui (18) est réalisé sous la forme d'un coussinet, avantageusement prévu dans un creux local (17) de la coiffe (11), dans lequel on peut introduire une pièce en matière plastique (19), pièce en matière plastique (19) qui pénètre dans un coussinet (21) prévu sur le récipient extérieur (1).
  2. Récipient intérieur (3) selon la revendication 1, caractérisé en ce que la paroi de base (6) et/ou la paroi de plafond (5) est/sont essentiellement plane(s).
  3. Récipient intérieur (3) selon la revendication 1 ou 2, caractérisé en ce que les coiffes (11) recouvrent respectivement les extrémités des chambres (10).
  4. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins une des coiffes (11) forme un espace libre (10') reliant les chambres (10).
  5. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'au moins une des coiffes (11) est de forme essentiellement plate.
  6. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'au moins une des cloisons présente une découpe libre (30) dans la région de la fixation d'au moins une des coiffes (31) sur la paroi de base et/ou la paroi de plafond.
  7. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au moins une des coiffes est fixée au corps de base avec une couture de fixation, en particulier un cordon de soudure, de préférence périphérique, et les cloisons présentent une découpe libre (30) chaque fois dans la région de la couture de fixation, en particulier un cordon de soudure, de préférence périphérique.
  8. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'au moins une des coiffes (38) présente plusieurs évidements (43), dans lesquels s'engage l'extrémité libre (44), orientée dans la direction longitudinale du corps de base, d'au moins une des cloisons (41).
  9. Récipient intérieur (3) selon la revendication 8, caractérisé en ce que la cloison est fixée à la coiffe (38) dans la région de l'évidement (43) de la coiffe (38) au moyen d'une couture de fixation, en particulier d'un cordon de soudure.
  10. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le corps de base présente, transversalement à son extension longitudinale, un profil de forme essentiellement rectangulaire, dans lequel les arêtes longitudinales reliant les parois latérales (7) à la paroi de base (6) et à la paroi de plafond (5) sont de préférence arrondies (8).
  11. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le corps de base (4) est réalisé sous la forme d'un profilé extrudé en une seule pièce.
  12. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 11, caractérisé en ce que les transitions entre une cloison (9) et une paroi de base (6) ou de plafond (5) sont arrondies avec un rayon, qui est supérieur ou égal à l'épaisseur de paroi de la cloison (9) ou à l'épaisseur de paroi de la paroi de base(6) ou de plafond (5).
  13. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le corps de base (4) et les coiffes (11) sont fabriqués en métal léger, en particulier en un alliage d'aluminium.
  14. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 13, caractérisé en ce que les coiffes (11) sont assemblées au corps de base (4) au moyen d'un cordon de soudure périphérique (12).
  15. Récipient intérieur (3) selon l'une quelconque des revendications 1 à 14, caractérisé en ce que des éventuels dispositifs montés sur le réservoir, comme des capteurs pour la pression et/ou la température et/ou le niveau de remplissage et les conduites (23) nécessaires pour ceux-ci sont prévus à l'intérieur d'une coiffe (11) et sont éventuellement intégrés dans une tubulure d'une coiffe (11).
EP07724475A 2006-04-21 2007-04-23 Récipient intérieur destiné à contenir un liquide cryogène et entouré par un récipient extérieur Not-in-force EP2010815B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006018639A DE102006018639A1 (de) 2006-04-21 2006-04-21 Von einem Außenbehälter umgebener und zur Aufnahme einer kryogenen Flüssigkeit dienender Innenbehälter
PCT/EP2007/003545 WO2007121969A1 (fr) 2006-04-21 2007-04-23 Récipient intérieur destiné à contenir un liquide cryogène et entouré par un récipient extérieur

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EP2010815A1 EP2010815A1 (fr) 2009-01-07
EP2010815B1 true EP2010815B1 (fr) 2011-06-08

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US (1) US8235240B2 (fr)
EP (1) EP2010815B1 (fr)
JP (1) JP5382448B2 (fr)
CN (1) CN101479521A (fr)
AT (1) ATE512333T1 (fr)
CA (1) CA2650003C (fr)
DE (1) DE102006018639A1 (fr)
WO (1) WO2007121969A1 (fr)

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EP2010815A1 (fr) 2009-01-07
CA2650003C (fr) 2015-08-11
US20090145909A1 (en) 2009-06-11
ATE512333T1 (de) 2011-06-15
WO2007121969A1 (fr) 2007-11-01
JP2009534256A (ja) 2009-09-24
DE102006018639A1 (de) 2007-10-31
CA2650003A1 (fr) 2007-11-01
JP5382448B2 (ja) 2014-01-08
CN101479521A (zh) 2009-07-08
US8235240B2 (en) 2012-08-07

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