EP1409917B1 - Behälter für druckflüssigkeiten und dessen herstellungsverfahren - Google Patents
Behälter für druckflüssigkeiten und dessen herstellungsverfahren Download PDFInfo
- Publication number
- EP1409917B1 EP1409917B1 EP00967995A EP00967995A EP1409917B1 EP 1409917 B1 EP1409917 B1 EP 1409917B1 EP 00967995 A EP00967995 A EP 00967995A EP 00967995 A EP00967995 A EP 00967995A EP 1409917 B1 EP1409917 B1 EP 1409917B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container structure
- casing
- truss means
- composite material
- shape
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
- F17C1/08—Integral reinforcements, e.g. ribs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0147—Shape complex
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/01—Reinforcing or suspension means
- F17C2203/011—Reinforcing means
- F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/01—Reinforcing or suspension means
- F17C2203/011—Reinforcing means
- F17C2203/013—Reinforcing means in the vessel, e.g. columns
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0604—Liners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0619—Single wall with two layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0621—Single wall with three layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0624—Single wall with four or more layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0646—Aluminium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0648—Alloys or compositions of metals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/066—Plastics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/0663—Synthetics in form of fibers or filaments
- F17C2203/0673—Polymers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0352—Pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2118—Moulding by injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2127—Moulding by blowing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2145—Moulding by rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
- F17C2209/232—Manufacturing of particular parts or at special locations of walls
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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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
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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
- 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
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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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, e.g. LPG, GPL
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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
- 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
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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
- 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
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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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0408—Level of content in the vessel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/011—Improving strength
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/017—Improving mechanical properties or manufacturing by calculation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/018—Adapting dimensions
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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
- 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 present invention relates to a container for pressurized fluids.
- the invention is capable of many applications involving fluids under pressure, it applies in particular to a tank of composite material for receiving "LPG” (liquefied petroleum gas) or other hydrocarbon compositions. It also relates to the manufacturing process of this tank.
- LPG liquefied petroleum gas
- the tanks used for liquefied petroleum gases or "LPLC" are subjected to a high pressure, of the order of 3 MPa. They must not only withstand this pressure, but also have a level of permeability that complies with standards, regulations or targets.
- the prior art such as FR 2 764 671, considered as the closest prior art, and corresponding to the preamble of independent claim 1, describes different types of steel or composite tanks capable of at least partially checking these two requirements.
- these tanks the most used have spherical or cylindrical shapes well known for their resistance to high pressures, the pressures being evenly distributed on the walls.
- the cylindrical shape is the one that is used the most.
- the tank is placed in the trunk of the vehicle, on the roof or even below the chassis of this vehicle.
- the tank can also take a toric shape and be placed in place of the spare wheel.
- the absence of the spare wheel has significant disadvantages.
- the appearance of composites has made it possible to design tanks of various shapes, having the particular advantage of being lighter, while maintaining a good resistance to pressure.
- the patent application WO 98/57 095 discloses containers for receiving pressurized fluids comprising a plurality of shafts continuously linking the main faces of the tank wall which are arranged facing each other. This tank is provided with a flexible inner envelope.
- the object of the present invention relates to a structure for receiving a fluid under pressure and its manufacturing process.
- the shape of the structure can be arbitrary, polymorphic, simple or convex, conciliating both the resistance to pressure and the desired lightness.
- the structure obtained may have an optimized volume with respect to the available space or the geometry of the housing in which it is inserted.
- the invention makes it possible to produce a reservoir of complex shape, adapted to that of the housing and resistant to overstressing generated by the complexity of the form.
- reservoirs intended to contain pressurized fluids such as LPG, hydrocarbons, dimethyl ether, CNG or a gas / liquid mixture.
- composite material will be used to denote a material comprising a matrix and reinforcing elements.
- the matrix is generally made of polymeric material (for example thermoplastic, thermosetting, elastomer) or metallic or mineral materials.
- the reinforcing elements may be in various forms such as fibers and / or ribbons, for example, and be of different types or types for example: mineral and / or organic and / or metallic.
- reinforcing means is defined as a “physical” element, which can take various forms, such as: a “tie” connecting two or more walls of the structure, or an extra thickness of the wall of the structure and / or a rib or throat or any other physical means contributing to the resistance to pressure. These different means can be used alone or in combination.
- the polymorphous reservoir structure for a fluid under pressure comprising at least one envelope delimiting at least one enclosure intended to receive a fluid under pressure, said structure being composed of a material of known mechanical characteristics, is characterized in that it comprises one or more means this reinforcement, the choice and / or the distribution of said reinforcement means being determined by taking into account the mechanical characteristics of the material, the stresses exerted by said fluid under pressure, to satisfy at least at a given constraint state.
- the idea of the present invention is to design and produce from a given shape, a structure intended to receive a fluid under pressure, for example LPG, while maintaining a weight and a degree of sealing compatible with the stresses recused by its end use.
- a fluid under pressure for example LPG
- the structure thus complies with the standards in force or the regulations, particularly those of car manufacturers or states.
- Figure 1 shows a schematic embodiment of such a structure.
- the reservoir comprises a liner 1 or inner envelope surrounded by an outer shell 2 formed for example of composite material.
- the liner 1 is made for example according to different types of processes such as rotomoslage, or extrusion blow molding.
- the liner mainly performs a sealing function, acting as a barrier against the fluid under pressure. It can also help to distribute the forces due to the internal pressure exerted by the fluid on the walls of the structure. Finally, it serves, for example, to support the composite material during the introduction of the outer casing.
- the liner is formed, for example, of a material capable of performing at least one of the three functions mentioned above. Different types of materials are given as non-limiting examples in the remainder of the description.
- An orifice or opening 3 in the tank receives a filling-emptying valve 4.
- the valve is for example equipped with the various devices usually used, such as a device for controlling the fluid level, safety devices, etc.
- the valve is maintained at the level of the liner and the outer casing, for example, at the wing of an insert 5.
- FIG. 1 mentions various examples of means which can, without departing from the scope of the invention, be used individually or in combination to produce a reservoir according to the invention.
- the expression "reinforcing means” designates physical elements whose function is notably to improve the resistance or withstanding the pressure of the reservoir.
- the distribution and type of reinforcement means equipping the reservoir are determined according to a methodology specified below.
- a siphon 10 for communication between the different low points of the tank.
- the low points can indeed be separated by wall shapes facing towards the inside of the tank.
- One of the objects of the present invention is in particular to choose the reinforcing means and their distribution to obtain, from a given form compatible with the manufacturing process of the composite outer casing and the liner as well as the available space, a tank capable of withstanding the pressure resulting from the fluid.
- ⁇ tensile stress
- T shear stress
- ⁇ shear strain
- ⁇ deformation at a given point in the structure
- the steps 1) to 6) are replaced by a step in which the zones of excess thickness are determined by using a module or optimization software that allows, from the results obtained for a reservoir of thickness el, the range of values [emin, emax] and the characteristics of the material to obtain a reservoir having a wall of variable thickness.
- a module or optimization software that allows, from the results obtained for a reservoir of thickness el, the range of values [emin, emax] and the characteristics of the material to obtain a reservoir having a wall of variable thickness.
- a reservoir corresponds for example to the structure described in the optimization step 7).
- Steps 8) to 12) of the method are then carried out.
- step 1) the hull method and / or the volume method is used to produce the mesh.
- the methodology applies in particular for tanks formed of a material having variable or non-directional mechanical characteristics, such as stiffness, strength.
- the material of the liner and in particular its capacity to distribute the stresses or the forces exerted are taken into account. on its structure.
- the mesh step takes into account the two types of materials, that of the liner and that of the outer envelope.
- the method described above may also include a step of optimizing the shape of the final tank taking into account the housing in which it will integrate, or more generally the available space of the vehicle.
- step 1) a step is taken to take into account the available space or the geometry of the housing in which the reservoir is arranged to optimize the shape of the reservoir. It is verified that this form does not generate overconstraints and possibly modifies the shape of the critical zones.
- the outer casing of the structure is for example formed of a composite material.
- the composite material consists of a matrix, for example, of epoxy resin or polyester, etc — and a reinforcing element mentioned above.
- the fibers can be arranged in different ways, for example in the form of an oriented fabric (the majority of the fibers is oriented predominantly), or non-oriented.
- the fibers may be glass or carbon fibers.
- the composite may comprise several layers of fibers, the orientation of the layers between them being chosen with respect to the desired pressure resistance.
- the liner is made of a material capable of filling at least the sealing function.
- the level of sealing is determined by the regulations in force and / or the specifications of the manufacturers. The material and its thickness are imposed by this level of sealing.
- thermoplastic polymer chosen, for example, from the following list:
- Polyolefins polyethylenes, polypropylenes), PE or PP, polyamides (PA11, PA12, PA6, 6-6, etc.), aliphatic polyketone such as carilon (trademark registered by SHELL), polyethylene terephthalate or PET, polybutylene terephthalate or PBT, polyacetals, for example POM (polyoxymethylene), EVOH, fluoropolymers, PVDF, PTFE (polytetrafluoroethylene or Teflon), etc.
- POM polyoxymethylene
- EVOH fluoropolymers
- PVDF polytetrafluoroethylene or Teflon
- the aforementioned materials can be treated to enhance the barrier effect, for example, but not exclusively, according to the fluorination method of high density polyethylene, known in the field of conventional liquid fuel tanks.
- the liner may itself be a multi-layer, the layer in contact with the fluid under pressure being the least permeable. It is possible to use a metal film, for example based on aluminum, or a metal deposit deposited on the inner surface of the liner, that is to say the surface in contact with the fluid. A thin film will be used to minimize the weight of the tank.
- the liner may be formed of an alloy or a mixture of several polymers including elastomers and comprise one or more additives such as antioxidants, plasticizers, flame retardants, or mineral fillers for example.
- the method of manufacturing the liner is chosen according to the material used, the number of parts to manufacture or to achieve.
- the rotational molding processes or extrusion blow molding are the most used in this field.
- the liner material in addition to its ability to act as a sealing barrier, may be chosen to support the placement of the reinforcements constituting the composite material, then the molding and baking of composite.
- FIGS. 2A and 2B show a first example of reinforcing means formed of a tie rod.
- the envelope constituted by the liner 1 comprises one or more wells 6.
- the well 6 is intended to receive the tie rod 7 whose resistant part or reinforcing element 11 may be a braid or unidirectional reinforcements or any other means capable of providing additional pressure resistance.
- the reinforcement 12 of the composite material constituting the wall of the reservoir comes towards the interior of the well 6 and is preferably covered by reinforcement of the tie rod.
- Reinforcement of the tie is for example set up in this well and maintained by means of cylinder 13 (full or hollow, reinforced or not) which can participate in the resistance of the tie rod.
- Parts 14 of substantially conical shape may possibly be placed at the ends of these cylinders 13 in order to keep in place the reinforcement layers coming from the wall and the tie rod.
- the tie rods can take various forms schematically in Figure 2C. They can be circular, elliptical or be formed of a combination of arcs and straight segments.
- some or all of the reinforcements of the tie rod may extend beyond the walls, or even form a strapping 15 as illustrated in this figure.
- the strapping concerns two adjacent tie rods or not, or a tie rod and an edge of the tank. This provision can be applied regardless of the shape of the tie rod.
- This variant of embodiment makes it possible in particular to increase the local resistance by the effect of excess thickness thus generated and also by the strapping effect.
- Such a reinforcement may be unidirectional or not, for example it may be formed of a fabric. Said tie connects two faces substantially parallel to each other or between them an angle ⁇ of determined value.
- FIGS. 4A, 4B, 4C and 4D schematize ribs acting as reinforcement means.
- the geometry of the ribs is chosen for example according to the manufacturing mode of the reservoir and in particular the liner.
- the radius of curvature of a rib is chosen so that the powder used in the rotational molding process remains in place during the manufacturing steps.
- the other parameters are for example chosen as a function of the over-stress exerted at this point in the structure, or else the manufacturing process.
- the direction of the rib is given, for example, by the direction of the main stresses that one wishes to reduce or by the analysis of the deformations of the envelope.
- FIGS 4A and 4B show two reinforced ribs.
- the reinforcing means comprises the rib 16 formed in the liner 1, the reinforcing elements 12 of the composite material and the reinforcing elements 17 of the rib.
- the reinforcing elements 17 of the rib may be arranged above or below the reinforcing element of the composite material.
- the strengthening of the rib is, for example, unidirectional or not depending on the intensity and the direction of the main stresses exerted on the walls of the structure (stress level, main tensile stress, ......)
- the single shape of the rib provides the necessary increase in rigidity.
- Figure 4C schematizes an internal rib and Figure 4D a rib facing outwards.
- FIGS. 5A and 5B show two examples of reinforcing means formed of an excess thickness.
- the overthickness 19 serves in particular to stiffen an area likely to deform too much. This extra thickness may be disposed near an insert, for example the insert 5 serving to hold the valve 4 to the tank wall.
- the extra thickness is formed, for example, of reinforcing elements 20 which are placed in these two examples above a reinforcing element 12 of the composite.
- the reinforcing elements used for the ribs and the extra thicknesses are for example identical to those used for the tie rods.
- FIGS. 6A and 6B schematize means of reinforcements formed of one or more "deep" ribs 21 in the liner 1. This deep rib is similar to a tie whose sectional shape would be fairly flat but could be directly linked at the outer walls of the tank.
- FIG. 7 represents a variant where the reinforcement means consists of the holding device 22, corresponding to the insert 5 of FIG. 1, of the valve.
- the reinforcing means may consist of the valve or one of the elements of the filling-emptying system mentioned above.
- One way of proceeding is to make the inner envelope or liner using a rotational molding process.
- the calculation methodology made it possible to define a geometry or shape of the final envelope of the reservoir and the locations of the various reinforcement means.
- the shape of the inner wall of this envelope defines the outer shape of the liner.
- a mold having an inner shape which is substantially identical to the desired outer shape for the liner and also takes into account the locations of the tie rods and / or ribs and / or thicknesses and / or inscribed.
- a liner is obtained, the casing of which is provided with wells adapted to receive reinforcements for forming the tie rods or else locations. corresponding to the desired ribs and overthicknesses.
- This liner has the reinforcing elements of the composite material and the reinforcement means. Then the resin is injected and subjected to a treatment to obtain the final structure.
- the manufacturing process may use an extrusion-blowing process, the implementation steps of which are known to those skilled in the art and will therefore not be detailed.
- the structure or the tank according to the invention can thus be integrated into the available space of a vehicle. Furthermore, particularly in the case of a vehicle tank, it is currently necessary to provide an auxiliary reservoir for containing a different kind of fluid to provide backup autonomy. For this purpose and, as shown in FIG. 8, provision is made to form in the body of the LPG reservoir a housing in which the auxiliary tank 24 is placed provided with all the usual means of connection and the functional organs such as a pump which significantly facilitates the assembly of this tank assembly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Press Drives And Press Lines (AREA)
- Powder Metallurgy (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Jet Pumps And Other Pumps (AREA)
Claims (16)
- Polymorphe Tankstruktur für eine Druckflüssigkeit, die sich in eine Aufnahme (L) vorgegebener Form einfügen können muss, einen Mantel umfassend, der mindestens einen Raum begrenzt, der dazu bestimmt ist, die Druckflüssigkeit aufzunehmen, wobei der Mantel einen inneren Mantel (1), einen äußeren Mantel (2) aus mindestens einem Kompositwerkstoff und mehrere Versteifungsmittel (7, 8, 9, 16, 19, 21) umfasst, wobei der Kompositwerkstoff aus Verstärkungsmitteln (11, 12, 15, 17, 20) besteht, die in einem Grundmaterial gehalten werden, dadurch gekennzeichnet, dass der innere Mantel (1) eine Schicht geformten thermoplastischen Polymer-Werkstoffs ist, dessen Form der vorgegebenen Form der Aufnahme (L) entspricht und eine eigene mechanische Haltbarkeit hat, um als formender Träger für die Schicht aus Kompositwerkstoff zu dienen, und als Träger für die Positionierung der VersLärkungselemente (11, 12, 15, 17, 20) des Kompositwerkstoffs und/oder der Versteifungsmittel.
- Tankstruktur nach Anspruch 1, dadurch gekennzeichnet, dass das oder die Versteifungsmittel (7, 8, 9, 16, 19, 21) in den Bereichen maximaler Spannungen angeordnet sind.
- Tankstruktur nach Anspruch 2, wobei die Tankstruktur mindestens zwei gegenüberliegende Seiten aufweist, dadurch gekennzeichnet, dass die Versteifungsmittel eine Strebe (7) aufweisen, die zwei gegenüberliegende Seiten der Tankstruktur verbindet.
- Tankstruktur nach Anspruch 3, dadurch gekennzeichnet, dass diese gegenüberliegenden, durch eine Strebe (7) verbundenen Seiten etwa parallel sind oder untereinander einen vorgegebenen Winkel bilden.
- Tankstruktur nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Versteifungsmittel in einem vorgegebenen Bereich des Mantels eine Wulst (9, 19) umfassen, wobei diese Wulst Verstärkungsmittel (20) umfasst.
- Tankstruktur nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Versteifungsmittel eine Rippe (8, 16) umfassen, die auf dem inneren (1) oder äußeren (2) Mantel angeordnet ist, wobei die besagte Rippe (16) Verstärkungsmittel (17) umfasst.
- Tankstruktur nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Versteifungsmittel aus demselben Kompostiwerkstoff bestehen wie der äußere Mante' (2) .
- Tankstruktur nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Versteifungsmittel aus einem Kompositwerkstoff bestehen, der sich von dem den äußeren Mantel (2) bildenden Werkstoff unterscheidet, wobei die Anordnung oder Ausrichtung der Verstärkungselemente unterschiedlich ist.
- Tankstruktur nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass sie ein System zum Befüllen und Entleeren (4, 5) umfasst.
- Tankstruktur nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass sie ein Mittel (10) zur Überleitung einer Druckflüssigkeit zwischen den verschiedenen tiefen Ebenen der besagten Tankstruktur umfasst.
- Tankstruktur nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass sie dazu vorgesehen ist, flüssiges Erdölgas (GPL) oder Dimethylether zu enthalten.
- Verfahren zur Herstellung einer Tankstruktur, wobei die Tankstruktur einem der Ansprüche 1 bis 11 entspricht, dadurch gekennzeichnet, dass es eine Herstellungsphase umfasst, die die folgendenden Schritt, aufweist:g) Herstellung eines inneren Mantels (1) aus einem thermoplastischen Polymermaterial durch Formen in einer Form, die der inneren Form der Aufnahme (L) entspricht, der mit Flächen zur Aufnahme der Versteifungsmittel (7, 8, 9, 16, 19, 21) versehen ist,h) Anordnung der Versteifungsmittel (7, 8, 9, 16, 19, 21) und/oder der Verstärkungsmittel (11, 12, 15, 17, 21) auf dem geformten inneren Mantel (1), undi) Bildung und Formung der Kompositwerkstoffschicht.
- Verfahren zur Herstellung einer Tankstruktur nach Anspruch 12, dadurch gekennzeichnet, dass es eine Entwurfsphase umfasst, die der Herstellungsphase vorausgeht, wobei diese Entwurfsphase die Schritte umfasst:a) Bestimmung der Form der herzustellenden Tankstruktur ausgehend von der Aufnahmestruktur, Aufbau eines Netzes der besagten Struktur für mindestens einen Wert der Dicke e des Mantels,b) Aussetzen der Struktur einem Druckwert P, der im Verhältnis zu einer abschließenden Nutzungsbeanspruchung ausgewählt wurde,c) Bestimmung der Verteilung der Oberbeanspruchungsbereiche auf der gesamten oder mindestens dem Großteil der Struktur,d) Anordnung eines ersten Typs von Versteifungsmitteln (7, 8, 9, 16, 19, 21) im Verhältnis zu den vorher bestimmten Überbeanspruchungsbereichen,e) Überprüfung durch Anlegen eines bestimmten Drucks, dass die der ermittelten Beanspruchungswerte mindestens im Verhältnis zu den mechanischen Eigenschaften des Werkstoffs zulässig sind,f) Optimierung der Form und/oder des Typs und/oder der Verteilung der Versteifungsmittel (7, 8, 9, 16, 19, 21) und Wiederholung des Schritts e), wenn mindestens einer der besagten Beanspruchungswerte über den zulässigen Werten liegt.
- Verfahren zur Herstellung einer Tankstruktur nach Anspruch 13, dadurch gekennzeichnet, dass der Schritt a) für zwei Dickewerte e1 und e2 durchgeführt wird, die in einem Intervall (emin, emax) ausgewählt werden, das von, Werkstoff und der abschließenden Nutzungsbeanspruchung abhängt.
- Verfahren zur Herstellung einer Tankstruktur nach Anspruch 13, dadurch gekennzeichnet, dass Schritt a) für einen Mantel durchgeführt wird, der auf mindestens einem Teil seiner Oberfläche eine variable Dicke hat, wobei diese Variationen unter Berücksichtigung der in Schritt c) für einen Dickewert e ermittelten überbeanspruchungsbereiche verteilt sind.
- Verfahren zur Herstellung einer Tankstruktur nach einem der Ansprüche 12 bis 15, dadurch gekennzeichnet, dass Schritt g) durch Rotationsformen oder Extrusion/Blasen durchgeführt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9912615A FR2799526B1 (fr) | 1999-10-11 | 1999-10-11 | Conteneur pour fluide sous pression et son procede de fabrication |
FR9912615 | 1999-10-11 | ||
PCT/FR2000/002813 WO2001027520A1 (fr) | 1999-10-11 | 2000-10-10 | Conteneur pour fluide sous pression et son procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1409917A1 EP1409917A1 (de) | 2004-04-21 |
EP1409917B1 true EP1409917B1 (de) | 2006-06-07 |
Family
ID=9550755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00967995A Expired - Lifetime EP1409917B1 (de) | 1999-10-11 | 2000-10-10 | Behälter für druckflüssigkeiten und dessen herstellungsverfahren |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1409917B1 (de) |
AT (1) | ATE329200T1 (de) |
AU (1) | AU7797200A (de) |
DE (1) | DE60028625T2 (de) |
FR (1) | FR2799526B1 (de) |
WO (1) | WO2001027520A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10703481B2 (en) | 2017-08-29 | 2020-07-07 | Goodrich Corporation | Conformable tank with sandwich structure walls |
US10816138B2 (en) | 2017-09-15 | 2020-10-27 | Goodrich Corporation | Manufacture of a conformable pressure vessel |
US11091266B2 (en) | 2017-08-29 | 2021-08-17 | Goodrich Corporation | Conformable tank fabricated using additive manufacturing |
US11939105B2 (en) | 2017-08-29 | 2024-03-26 | Goodrich Corporation | 3D woven conformable tank |
EP4168705B1 (de) * | 2020-06-17 | 2024-08-07 | Plastic Omnium New Energies France | Verbunddruckbehälter mit verstärkungselement |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10119115A1 (de) * | 2001-04-19 | 2002-10-31 | Messer Griesheim Gmbh | Druckbehälter |
EP1850058A1 (de) | 2006-04-25 | 2007-10-31 | Inergy Automotive Systems Research (SA) | Speichertank |
DE102012019334A1 (de) | 2012-10-02 | 2014-04-03 | Kautex Textron Gmbh & Co. Kg | Behälter aus thermoplastischem Kunststoff |
EP3006348B1 (de) * | 2014-10-10 | 2017-03-01 | Illinois Tool Works Inc. | Verbesserter Treibstofftank fuer eine mobile Bodenversorgungseinheit |
DE102021116426A1 (de) | 2021-06-25 | 2022-12-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Drucktank für das Speichern von Wasserstoff |
FR3134163B1 (fr) * | 2022-04-01 | 2024-08-16 | Design Tech Centre | Réservoir cryogénique de forme complexe et à indice gravimétrique élevé et procédé de fabrication correspondant |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2951554C2 (de) * | 1979-12-21 | 1982-10-14 | Westerwälder Eisenwerk Gerhard GmbH, 5241 Weitefeld | Druckfester, zwei- oder mehrschaliger Behälter für Flüssigkeiten, Gase oder Schüttgut |
SE514327C2 (sv) * | 1991-12-23 | 2001-02-12 | Ingemar Falk | Tryckbehållare |
US5462193A (en) * | 1993-10-06 | 1995-10-31 | Schoo; Raul A. I. | Composite pressure vessel |
US5837170A (en) * | 1996-12-20 | 1998-11-17 | Pepsico, Inc. | Process for obtaining blow molded plastic containers |
FR2764671B1 (fr) * | 1997-06-13 | 1999-07-23 | Djp Organisation | Conteneur en materiau composite, notamment pour reservoir de gaz liquefie sous pression, et son procede de fabrication |
DE19749950C2 (de) * | 1997-11-03 | 1999-11-25 | Mannesmann Ag | Behälter zum Speichern von Druckgas |
-
1999
- 1999-10-11 FR FR9912615A patent/FR2799526B1/fr not_active Expired - Fee Related
-
2000
- 2000-10-10 WO PCT/FR2000/002813 patent/WO2001027520A1/fr active IP Right Grant
- 2000-10-10 AU AU77972/00A patent/AU7797200A/en not_active Abandoned
- 2000-10-10 DE DE60028625T patent/DE60028625T2/de not_active Expired - Lifetime
- 2000-10-10 EP EP00967995A patent/EP1409917B1/de not_active Expired - Lifetime
- 2000-10-10 AT AT00967995T patent/ATE329200T1/de not_active IP Right Cessation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10703481B2 (en) | 2017-08-29 | 2020-07-07 | Goodrich Corporation | Conformable tank with sandwich structure walls |
US11091266B2 (en) | 2017-08-29 | 2021-08-17 | Goodrich Corporation | Conformable tank fabricated using additive manufacturing |
US11939105B2 (en) | 2017-08-29 | 2024-03-26 | Goodrich Corporation | 3D woven conformable tank |
US10816138B2 (en) | 2017-09-15 | 2020-10-27 | Goodrich Corporation | Manufacture of a conformable pressure vessel |
US11725779B2 (en) | 2017-09-15 | 2023-08-15 | Goodrich Corporation | Manufacture of a conformable pressure vessel |
EP4168705B1 (de) * | 2020-06-17 | 2024-08-07 | Plastic Omnium New Energies France | Verbunddruckbehälter mit verstärkungselement |
Also Published As
Publication number | Publication date |
---|---|
FR2799526A1 (fr) | 2001-04-13 |
FR2799526B1 (fr) | 2002-02-01 |
WO2001027520A1 (fr) | 2001-04-19 |
AU7797200A (en) | 2001-04-23 |
EP1409917A1 (de) | 2004-04-21 |
ATE329200T1 (de) | 2006-06-15 |
DE60028625T2 (de) | 2007-05-10 |
DE60028625D1 (de) | 2006-07-20 |
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