EP3875831A1 - Verstärkungsstruktur eines tanks für ein kryogenes fluid, wie verflüssigtes erdgas, für kraftfahrzeuge - Google Patents

Verstärkungsstruktur eines tanks für ein kryogenes fluid, wie verflüssigtes erdgas, für kraftfahrzeuge Download PDF

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Publication number
EP3875831A1
EP3875831A1 EP21153580.2A EP21153580A EP3875831A1 EP 3875831 A1 EP3875831 A1 EP 3875831A1 EP 21153580 A EP21153580 A EP 21153580A EP 3875831 A1 EP3875831 A1 EP 3875831A1
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EP
European Patent Office
Prior art keywords
container
tank
reinforcing
outer casing
longitudinal axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21153580.2A
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English (en)
French (fr)
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EP3875831B1 (de
EP3875831C0 (de
Inventor
Yann BOROWSKI
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Ateliers Et Chantiers de la Grande Bruyere (acgb)
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Ateliers Et Chantiers de la Grande Bruyere (acgb)
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Publication of EP3875831A1 publication Critical patent/EP3875831A1/de
Application granted granted Critical
Publication of EP3875831B1 publication Critical patent/EP3875831B1/de
Publication of EP3875831C0 publication Critical patent/EP3875831C0/de
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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
    • 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
    • F17C2201/05—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
    • 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
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
    • 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
    • F17C2203/016—Cords
    • 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
    • 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
    • F17C2203/0304—Thermal insulations by solid 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
    • F17C2203/03—Thermal insulations
    • F17C2203/0391—Thermal insulations by vacuum
    • 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
    • F17C2203/0607—Coatings
    • 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
    • F17C2203/0639—Steels
    • F17C2203/0643—Stainless steels
    • 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
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/0126—One 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
    • 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
    • F17C2205/0332—Safety valves or pressure relief 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • 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
    • F17C2270/0171—Trucks
    • 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
    • F17C2270/0176—Buses
    • 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
    • F17C2270/0178—Cars

Definitions

  • the field of the invention is that of storage tanks for cryogenic fluid, such as for example Liquefied Natural Gas (LNG) or liquid nitrogen, intended to equip vehicles (such as motor vehicles, such as for example cars, trucks or also buses, maritime vehicles or mobile units such as, for example, generators or containers for the storage and / or transport of goods.
  • LNG Liquefied Natural Gas
  • liquid nitrogen intended to equip vehicles (such as motor vehicles, such as for example cars, trucks or also buses, maritime vehicles or mobile units such as, for example, generators or containers for the storage and / or transport of goods.
  • LNG liquefied natural gas
  • Liquefied natural gas is natural gas stored in liquid form. This liquid state is reached when the gas is cooled to a temperature of about -161 ° C at atmospheric pressure.
  • Liquefaction makes it possible to reduce the gaseous volume of natural gas and to store it in one or more tanks installed, for example, on the chassis of a heavy vehicle.
  • the liquefied natural gas contained in such a tank is regasified so as to supply the engine of the heavy vehicle.
  • This fuel is less polluting than gasoline and diesel, and the range of heavy goods vehicles using this fuel makes them suitable for long-distance road transport.
  • Heavy-duty liquefied natural gas tanks are designed to meet strict safety requirements, including pressure and maintaining a very low temperature, to maintain the gas in its liquid phase.
  • the tanks usually used have a cylindrical shape and have a double stainless steel wall between which are arranged a multi-layer insulation and conventionally vacuum. Their weight is therefore relatively large and their useful volume is limited.
  • the cylindrical shape of such reservoirs allows a uniform distribution of the stresses, linked to the pressure of the gas, on the internal wall of the reservoir.
  • the reservoirs having this shape occupy a large space and are not suitable for the spaces / compartments of various shapes of the vehicle in which they are intended to be installed.
  • the invention thus proposes a double-walled cryogenic fluid tank (for example LNG), of generally substantially parallelepipedal shape, comprising a container forming the inner wall and an outer casing arranged around said container forming the outer protective wall.
  • LNG cryogenic fluid tank
  • an intermediate space containing a vacuum and / or an insulating material.
  • the parallelepiped shape of the container optimizes its liquefied gas storage capacity and the parallelepiped shape of the outer casing allows optimal integration of the tank into the architecture of the vehicle.
  • the reinforcing means arranged in the container comprise longitudinally spaced rings which are mounted on reinforcing rails and which are locked onto the latter by means of securing means which are housed in the rails.
  • corner reinforcement plates are fixed at the four corners of the internal wall of the container.
  • This particular reinforcement structure allows optimum distribution of stresses along the container and optimizes the mechanical strength of the container to the internal pressure of the liquefied gas.
  • the internal reinforcement structure can be made of aluminum, stainless steel, or a composite material, for example.
  • the reinforcing framework consists of reinforcing rings spaced along the longitudinal axis of said reservoir and each extending in a plane transverse to said longitudinal axis.
  • the reinforcement frame consists of a cable wound in a single piece.
  • the reinforcing rails have, over their length, several spaced slots for the passage of the reinforcing rings.
  • the means for securing the reinforcing rings comprise a locking tube housed in each of the reinforcing rails so as to retain each of the reinforcing rings in said corresponding slots / grooves.
  • each of the reinforcing rings has a square or rectangular shape.
  • said container is secured to said outer casing by clamping means intended to compensate for the variation in length of the container along the longitudinal axis of the reservoir.
  • the securing of the container to said outer envelope by clamping means allows a degree of freedom to be left between the two elements, so as to limit the heat transfers by conduction and to compensate for thermal expansion / retraction due to the cooling of the internal container by limiting the input of stresses.
  • the clamping means also allow mechanical movement of the container relative to said outer envelope. More precisely, the degree of freedom makes it possible to compensate for the variation in length of the container when the latter is cold (from 25 ° C to -161 ° C).
  • these clamping means allow a variation in length of said container along the longitudinal axis of the tank of the order of 8mm.
  • the clamping means thus make it possible to compensate for the retraction of the internal container.
  • Liquefied gas can be LNG (liquid methane), or liquid nitrogen for refrigerated trucks, for example.
  • said container is connected to a first side wall of said outer casing by a first clamping device movable along the longitudinal axis and to a second side wall of said outer casing by a second clamping device fixed.
  • the clamping means allow a variation in length of said container of between 2 and 10 mm.
  • the first clamping device comprises at least one movable element secured to the container and mounted to slide along the longitudinal axis on a tube secured to a side wall of the outer casing, a return spring being arranged around the tube between said at least one movable element and said side wall of the outer casing.
  • said clamping means are made from a thermally insulating material.
  • said clamping means comprise support studs for the outer casing resting on said container.
  • the container, the reinforcing framework and the outer casing are made of aluminum.
  • the wall of the container and the wall of the outer casing are distant from each other, the intermediate space between these walls being at least partially filled with insulating means.
  • the invention also relates to a motor vehicle, such as a heavy goods vehicle, comprising at least one tank as described above.
  • the invention relates to a tank for a motor vehicle intended to contain a cryogenic fluid, such as liquefied natural gas.
  • a motor vehicle tank 1 comprising a container 11 which is housed in an outer casing 12 of the tank 1.
  • This tank 1 is visible on the figure 3 , which is a longitudinal sectional view, but also on the figure 5 which is a perspective and sectional view.
  • the wall of the container 11 and the wall of the outer casing 12 are distant from each other, the intermediate space between these walls being filled with insulating means (not shown). It may be a multi-layer, foam and / or vacuum insulation which thus makes it possible to avoid heat exchanges by indirect contact between the container and the outer casing.
  • a perforated tube 20 extends between the two bottoms of the tank and is welded to the latter. It makes it possible to take up the forces exerted by the pressure on the two flat bottoms.
  • the space between the wall of the container and the wall of the outer casing is, for example, between 5 and 30 mm.
  • the interior space of the container 11 constitutes a sealed enclosure for storing cryogenic fluid, such as liquefied natural gas under pressure (up to 16 bars, for example).
  • cryogenic fluid such as liquefied natural gas under pressure (up to 16 bars, for example).
  • the container 11 and the outer casing 12 each have a generally substantially parallelepipedal shape.
  • the container 11 is made of aluminum and has a length of two meters.
  • the parallelepipedal shape of the container 11 optimizes its fuel storage capacity and allows optimal integration into the architecture of the vehicle.
  • the container 11 and the outer casing 12 extend longitudinally along the longitudinal axis Ax of the tank 1 and their cross section to the axis Ax is a square whose angles are rounded (the cross section of the container and of the casing external could be a rectangle).
  • the container 11 comprises a reinforcing structure comprising in particular several reinforcing rings 14 forming a reinforcing framework, arranged inside the container 11 and regularly spaced along the longitudinal axis Ax.
  • the reinforcing rings 14 each extend in a plane transverse to said longitudinal axis Ax.
  • the container 11 further comprises four reinforcement rails 15 fixed to the center of each of the four internal longitudinal walls of the container 11 and extending along the longitudinal axis Ax of the container 11.
  • These central reinforcement rails 15 are hollow and have a cross section. trapezoidal with a rounded top. It is the base of the trapezoid which is fixed to an internal wall of the container 11.
  • the container 11 also comprises means for securing the reinforcing rings 14 on each of the four central reinforcing rails 15.
  • Each of the reinforcing rails 15 comprises, at its rounded top, slots 151 for the passage of the reinforcing rings 14 formed at regular intervals along the longitudinal axis Ax.
  • the reinforcing rings 14 pass through the aligned slots 151 of each of the central reinforcing rails 15 and are thus arranged parallel to each other within the interior volume of the container 11, over at least part of the length of the latter.
  • the central reinforcement rails 15 allow a distribution of the stresses along the container 11 and the maintenance of the internal reinforcement rings 14.
  • planar corner reinforcing plates 16 are fixed to the internal wall of the container 11 at each of the four internal corners. These corner reinforcing plates 16 are hollow here to allow the circulation of gas and their lightening, and have internal cross members connecting the two opposite longitudinal faces.
  • the corner reinforcing plates 16 extend along the four corners of the internal longitudinal wall of the container 11 along the longitudinal axis Ax. These reinforcing plates are fixed on their lateral edges to two adjacent internal faces of the container 11, of so that a space is left between each corner reinforcing plate 16 and the corresponding rounded corner of the container 11.
  • the container 11, the reinforcing rings 14 and the outer casing 12 are made of aluminum, for example, or some other material.
  • the outer casing 12 can be made of stainless steel (stainless steel) or of aluminum.
  • the reinforcing rings 14 each consist of an aluminum plate with a section equal to 14 ⁇ 5 mm, for example.
  • the reinforcing rings 14 could be made of aluminum or stainless steel cables, or else rings of synthetic or composite material.
  • central reinforcing rails 15 and the corner reinforcing plates 16 are, for example, welded to the container 11.
  • the means for securing the reinforcing rings 14 on each of the central reinforcing rails 15 take the form of tubes 17 which are each housed in a central reinforcing rail 15 and extend longitudinally along the surface / internal wall of the container 11, along the longitudinal axis Ax.
  • These tubes 17 are configured to fix the plurality of square-shaped reinforcing rings 14 at each of their angles on the central reinforcing rails 15 and thus securing the plurality of reinforcing rings 14 between them.
  • the group of reinforcing rings 14 is thus fixed to the central reinforcing rails 15 by sliding the four tubes 17 in the four central reinforcing rails 15.
  • reinforcing rings 14 do not come into contact with the internal wall of the container 11 once they are mounted on the central reinforcing rails 15 and locked in position by the tubes 17.
  • the reservoir 1 implements clamping means or holding the container 11 in the outer casing 12.
  • the figure 2 is a partial view of the inner container 11 when it is expanded and shows in detail the first movable clamping device connecting the side face 111 of a longitudinal end of the container 11 to a side face 120 of the outer casing 12 located opposite -opinion.
  • the figure 2A shows this first mobile clamping device in more detail.
  • This movable element 114 is integral with the lateral face 111 of the container 11. It is carried by a hollow cylinder 113 housed in a fixed manner in a hub 112 integral with the lateral face 111 of the container 11.
  • the hollow cylinder 121 carries a tube 122 extending along the longitudinal axis Ax on which the movable element 114 is slidably mounted along the longitudinal axis Ax.
  • a return spring 123 is arranged around the tube 122 between the hollow cylinder 121 and the movable element 114.
  • This first clamping device makes it possible in particular to compensate for the thermal expansion / retraction of the internal container 11 due to the cooling of the cryogenic liquid that it contains, while limiting the contributions of stresses. It is recalled that the LNG is for example stored at a temperature of -130 ° C in the tank.
  • the parts 111, 112, 113 and 114 are fixed relative to each other.
  • the part 114 can move relative to the part 121 along the longitudinal axis Ax.
  • the movable member 114 moves in the hollow cylinder 121 and compresses the return spring 123 or relaxes the latter.
  • the container 11 is expanded (in the sense that it is not retracted) and the spring is in a configuration of maximum compression, the play being zero between the parts 114 and 121.
  • Each of the parts of this first clamping device or else only the cylinder 113 is made of a thermally insulating material to limit heat transfer by conduction. This thus makes it possible to avoid heat exchanges by direct contact between the container 11 and the outer casing 12. It is indeed crucial to prevent the temperature of the liquefied natural gas from increasing and from remaining in liquid form.
  • all or part of these elements are made of epoxy resin and glass fibers (insulation).
  • the figure 3A shows in detail the second clamping device connecting the side face of the other longitudinal end of the container 11 to the side face of the outer casing 12 located opposite.
  • This second clamping device is fixed and comprises a cylinder 113 connecting the lateral face 111 of the container 11 to the lateral face 120 of the outer casing 12. More precisely, the cylinder 113 is fixed on each side in a hub 112, 121 carried. by each of the side faces 111 and 120 of the container 11 and of the outer casing 12 respectively.
  • all or part of the elements forming the second clamping device is made of epoxy resin and glass fibers (insulator).
  • the clamping means comprise a fixed point on one side face (second clamping device) and a movable point on the other side face (first clamping device) of the reservoir 1. They make it possible to compensate for the expansion or retraction of the container. 11 along the longitudinal axis Ax.
  • studs or pins 124 and wedges forming internal reinforcement extend between the outer casing 12 and the container 11, and prevent crushing of the outer casing 12.
  • These pads and wedges are arranged around the periphery of the container 11, at regular intervals, along the container 11.
  • This clamping solution is configured to minimize container sloshing, even in the event of a vehicle collision.
  • the clamping means offer a minimum degree of freedom and allow movement of the container 11 relative to the outer casing 12 on one side of the tank 1 along the longitudinal axis Ax.
  • the clamping means allow a mechanical movement of the container relative to said outer envelope and in particular make it possible to compensate for the variation in length of the container during the cold (from 25 ° C to -161 ° C) of the latter. .
  • these clamping means allow a variation in length of the container of the order of 8mm.
  • the outer shell of the tank can be made of any material suitable for resisting fire and possibly other safety constraints.
  • the outer surface of the outer casing may be covered with at least one layer of material suitable for resisting fire.
  • a fire resistant paint or other type of coating can be applied to the exterior and / or interior surface of the outer casing and / or to the exterior surface of the container.
  • the outer casing can be made of a fire resistant material.
  • the outer casing can be made of stainless steel or of composite materials.
  • the tank according to the invention can be installed on other types of motor vehicles, such as buses, trucks, coaches, refrigerated vehicles, maritime vehicles or any other vehicle.
  • the reservoir of the invention can be housed in vehicle compartments of complex shapes.
  • the shape of the tank can be adapted to the volumes available on the chassis of the vehicle.
  • the tank according to the invention can be installed in mobile units such as, for example, generators or containers for the storage and / or transport of goods.
  • the side faces located at the longitudinal ends of the container can be curved, curved or flat.
  • the longitudinal faces of the container may have a curve.
  • a cable coiled in one piece and forming a reinforcing frame could be used.
  • the tank of the invention can contain any type of liquefied gas, such as LNG (liquid methane), or else liquid nitrogen for refrigerated trucks or heavy goods vehicles, for example.
  • LNG liquid methane
  • liquid nitrogen for refrigerated trucks or heavy goods vehicles, for example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP21153580.2A 2020-03-02 2021-01-26 Verstärkungsstruktur eines tanks für ein kryogenes fluid, wie verflüssigtes erdgas, für kraftfahrzeuge Active EP3875831B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2002099A FR3107747B1 (fr) 2020-03-02 2020-03-02 Structure de renfort d’un réservoir de fluide cryogénique, tel que du gaz naturel liquéfié, pour véhicules automobiles

Publications (3)

Publication Number Publication Date
EP3875831A1 true EP3875831A1 (de) 2021-09-08
EP3875831B1 EP3875831B1 (de) 2023-08-09
EP3875831C0 EP3875831C0 (de) 2023-08-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21153580.2A Active EP3875831B1 (de) 2020-03-02 2021-01-26 Verstärkungsstruktur eines tanks für ein kryogenes fluid, wie verflüssigtes erdgas, für kraftfahrzeuge

Country Status (2)

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EP (1) EP3875831B1 (de)
FR (1) FR3107747B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4235011A1 (de) * 2022-02-24 2023-08-30 Airbus Operations (S.A.S.) Behälter mit einem ausrüstungsträger, der an verschiedene einrichtungen angeschlossen sind, und verfahren zur herstellung des besagten behälters
EP4345361A1 (de) * 2022-09-27 2024-04-03 CNH Industrial Italia S.p.A. Verbesserte tankanordnung für kryogene flüssigkeit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979005A (en) * 1974-05-13 1976-09-07 The Boeing Company Cryogenic tank and aircraft structural interface
EP1128123A1 (de) * 2000-02-25 2001-08-29 Linde Aktiengesellschaft Speicherbehälter für kryogene Flüssigkeiten mit verstärkten Wandungen
US6668561B1 (en) * 2002-06-27 2003-12-30 Northrop Grumman Corporation Pressure regulated structure
FR3068106A1 (fr) * 2017-06-26 2018-12-28 Ateliers et Chantiers de la Grande Bruyere (ACGB) Reservoir de gaz naturel liquefie pour vehicules automobiles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979005A (en) * 1974-05-13 1976-09-07 The Boeing Company Cryogenic tank and aircraft structural interface
EP1128123A1 (de) * 2000-02-25 2001-08-29 Linde Aktiengesellschaft Speicherbehälter für kryogene Flüssigkeiten mit verstärkten Wandungen
US6668561B1 (en) * 2002-06-27 2003-12-30 Northrop Grumman Corporation Pressure regulated structure
FR3068106A1 (fr) * 2017-06-26 2018-12-28 Ateliers et Chantiers de la Grande Bruyere (ACGB) Reservoir de gaz naturel liquefie pour vehicules automobiles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4235011A1 (de) * 2022-02-24 2023-08-30 Airbus Operations (S.A.S.) Behälter mit einem ausrüstungsträger, der an verschiedene einrichtungen angeschlossen sind, und verfahren zur herstellung des besagten behälters
EP4345361A1 (de) * 2022-09-27 2024-04-03 CNH Industrial Italia S.p.A. Verbesserte tankanordnung für kryogene flüssigkeit

Also Published As

Publication number Publication date
EP3875831B1 (de) 2023-08-09
FR3107747B1 (fr) 2022-02-11
EP3875831C0 (de) 2023-08-09
FR3107747A1 (fr) 2021-09-03

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