The present invention relates to a pressure vessel for storage of solid, liquid and/or gaseous media under an operating pressure above atmospheric pressure, wherein the pressure vessel encloses a hollow space provided for storage of the medium, and is provided with at least one connector for loading
The present invention relates to a pressure vessel for storage of solid, liquid and/or gaseous media under an operating pressure above atmospheric pressure, wherein the pressure vessel encloses a hollow space provided for storage of the medium, and is provided with at least one connector for loading and/or unloading. Because the pressure vessel is composed at least in part of a tube that in turn is manufactured from a fiber-reinforced thermoplastic, wherein the thermoplastic material contains more than 10% by volume of fibers with an average fiber length over 50 mm, the pressure vessel has a low weight and a very good resistance to corrosion and resistance to chemically aggressive media, yet it nevertheless withstands the mechanical stresses of the normal high operating pressures up to 25 Mpa.
대표청구항▼
The invention claimed is: 1. Pressure vessel (1, 10, 20, 30, 40) for storage of solid, liquid and/or gaseous media under an operating pressure above atmospheric pressure, wherein the pressure vessel comprises: a single-layer tubular section (2), and lids which seal end faces of the single-layer tub
The invention claimed is: 1. Pressure vessel (1, 10, 20, 30, 40) for storage of solid, liquid and/or gaseous media under an operating pressure above atmospheric pressure, wherein the pressure vessel comprises: a single-layer tubular section (2), and lids which seal end faces of the single-layer tubular section, so that the single-layer tubular section and the lids enclose a hollow space provided for storage of the media, wherein at least one connector (6,6') is provided for loading/unloading, characterised in that said single-layer tubular section is composed of a single-layer tube, said single-layer tube being composed of fibre-reinforced thermoplastic material, said fibre-reinforced thermoplastic material of the single-layer tube containing more than 10 percent by volume of fibres with an average fibre length of more than 50 mm as reinforcement. 2. Pressure vessel according to claim 1, characterised in that the lids in turn comprise a fibre-reinforced plastic, wherein the lid material contains fibres, the average length of which is in the range between 1 and 30 mm. 3. Pressure vessel according to one of claim 1 or 2, characterised in that the matrix material of the vessel comprises a thermoplastic material, for example, polyethylene (PE), polypropylene (PP) , polyamide (PA), polyketone (PK), polyvinyl chloride (PVC), poly-4-methylpentene-1 (PMP), polyacetal (polyoxymethylene) (POM), polymethyl methacrylate (PMMA), polystyrene (PS), styrene/acrylnitrile copolymer (SAN), polycarbonate (PC) and/or acrylnitrile butadiene styrene (ABS). 4. Pressure vessel according to one of claim 1 or 2, characterised in that organic or inorganic fibres, preferably glass fibres, aramide fibres, carbon fibres, metal fibres, ceramic fibres and/or polymer fibres are used as reinforcement. 5. Pressure vessel according to one of claim 1 or 2, characterised in that the single-layer tubular section has a circular cross-section. 6. Pressure vessel according to one of claim 1 or 2, characterised in that at least one of the lids is provided with a tubular connector that can be joined to one of the ends of the single-layer tubular section in a telescopic manner. 7. Pressure vessel according to claim 6, characterised in that the external diameter of the tube connector corresponds to the internal diameter of the single-layer tubular section (2). 8. Pressure vessel according to one of claim 1 or 2, characterised in that the fibres of the single-layer tubular section are on average more orientated in the peripheral direction than in the axial direction. 9. Pressure vessel according to claim 8, characterised in that the angle of orientation of the fibres determined parallel with respect to the tube axis in a quadrant between 0 and 90째 is between 45째 and 65째, preferably between 50째 and 60째. 10. Pressure vessel according to one of claim 1 or 2, characterised in that the wall thickness of the tube is in the range between 1 mm and 10 mm. 11. Pressure vessel according to one of claim 1 or 2, characterised in that it is set up for operating pressures below 25 Mpa (250 bar), preferably for operating pressures below 6 Mpa (60 bar). 12. Pressure vessel according to claim 1 or 2, characterised in that the matrix material of the vessel comprises a thermoplastic material, for example, of polyethylene (PE), polypropylene (PP), polyamide (PA), polyketone (PK), polyvinyl chloride (PVC), poly-4-methylpentene-1 (PMP), polyacetal (polyoxymethylene) (POM), polymethyl methacrylate (PMMA), polystyrene (PS), styrene/acrylnitrile copolymer (SAN), polycarbonate (PC) and/or acrylnitrile butadiene styrene (ABS), that organic or inorganic fibres, preferably glass fibres, aramide fibres, carbon fibres, metal fibres, ceramic fibres and/or polymer fibres are used as reinforcement. 13. Pressure vessel according to claim 12, characterised in that the single-layer tubular section has a circular cross-section, and in that at least one of the lids is provided with a tubular connector that can be joined in a telescopic manner to one of the ends of the single-layer tubular section. 14. Pressure vessel according to claim 12, characterised in that the wall thickness of the single-layer tubular section is in the range between 1 mm and 10 mm. 15. Pressure vessel according to claim 12, characterised in that it is set up for operating pressures below 25 Mpa (250 bar), preferably for operating pressures below 6 Mpa (60 bar). 16. Pressure vessel (1, 10, 20, 30 , 40) for storage of solid, liquid and/or gaseous media under an operating pressure above atmospheric pressure, wherein the pressure vessel comprises: a single-layer tubular section (2), and lids which seal end faces of the single-layer tubular section, so that the single-layer tubular section and the lids enclose a hollow space provided for storage of the media, wherein at least one connector (6,6') is provided for loading/unloading, characterised in that said single-layer tubular section is composed of a plurality of separate single-layer tubes and an intermediate piece, said plurality of single-layer tubes being joined to one another by means of the intermediate piece, said plurality of single-layer tube being composed of fibre-reinforced thermoplastic material, said fibre-reinforced thermoplastic material of the single-layer tube containing more than 10 percent by volume of fibres with an average fibre length of more than 50 mm as reinforcement.
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