IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0294825
(2002-11-13)
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발명자
/ 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
7 인용 특허 :
17 |
초록
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A cellular reservoir flexible pressure vessel is formed as a series of closely packed tubes fitted into a pair of opposing end caps. The end caps have individual receptacles sized and shaped to receive the tube ends that are secured with adhesive or radio frequency welding. At least one end cap has
A cellular reservoir flexible pressure vessel is formed as a series of closely packed tubes fitted into a pair of opposing end caps. The end caps have individual receptacles sized and shaped to receive the tube ends that are secured with adhesive or radio frequency welding. At least one end cap has a passageway for connection of the vessel. The vessel may be formed in a variety of useful shapes and the tubes may have various internal and external cross-sections. The end caps may be filled with sintactic foam with canals leading to the passageway. Microtubes through the syntactic foam may connect the tubes to the passageway. The vessel is further strengthened by overwrapping with high-strength braiding material, hoop winding or by overlayment with high-strength fabric. The vessel is further strengthened by coating with plastic resin. Apparatus and methods for forming the cellular reservoir flexible vessels are described.
대표청구항
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1. A cellular reservoir flexible pressure vessel, comprising:a plurality of flexible tubes, each of said tubes being formed of resilient material and having an outer surface, an inner surface, a first end and a second end;first and second end caps, each of said end caps having a receptacle for eithe
1. A cellular reservoir flexible pressure vessel, comprising:a plurality of flexible tubes, each of said tubes being formed of resilient material and having an outer surface, an inner surface, a first end and a second end;first and second end caps, each of said end caps having a receptacle for either of the first and second ends of each of said flexible tubes, a collecting reservoir, a surrounding outer rim and an outer perimeter perpendicular to said surrounding outer rim;at least one of said first and second end caps having a passageway connecting to said collecting reservoir for connection to either of a passageway of another pressure vessel and a valve;each of said receptacles having a surrounding wall, a base and an orifice penetrating said base;said orifice connecting said receptacle to either of said collecting reservoir and said passageway;said wall having an interior surface, said interior surface being sized and shaped to fit frictionally over said outer surface of one of said flexible tubes at either of said first and second ends;said collecting reservoir having an outer surface and connecting said base of each of said receptacles to a common space, said common space being either of closed and connected to said passageway;said surrounding outer rim extending outwardly from said outer surface of said collecting reservoir for a first predetermined distance along said flexible tubes and serving to constrain said flexible tubes;means for securing said first and second end caps to said flexible tubes;a valving means, said valving means being capable of controlling a flow of either of a liquid and a gas through said passageway and being attached to a distal end of said passageway; andwhereby, when said flexible tubes are inserted into said receptacles of said end caps and secured thereto, a flexible pressure vessel will be formed capable of containing either of a liquid and a gas at high pressure. 2. A cellular reservoir flexible pressure vessel, as described in claim 1, wherein the means for securing the first and second end caps to the flexible tubes is selected from the group comprising:radio frequency welding, high-strength adhesive, mechanical fastening and sonic welding. 3. A cellular reservoir flexible pressure vessel, as described in claim 1, further comprising:a protruding rim, said protruding rim being disposed at said outer perimeter of said first and second end caps and upper and lower receiving notches disposed above and below said protruding rim;a reinforcing ring, said reinforcing ring having an inner surface, an outer surface, being formed of high-strength material and being sized and shaped to fit tightly about the outer perimeter of said end caps;said reinforcing ring having an upper and lower projecting ribs and a central receiving notch disposed between said upper and lower projecting ribs;said projecting ribs being sized, shaped and disposed to fit said upper and lower receiving notches of said end caps;said central receiving notch being sized, shaped and disposed to fit said protruding rim of said end caps;said reinforcing ring having an aperture, said aperture extending from said inner surface to said outer surface and being sized, shaped and disposed to accommodate said passageway of said end caps;whereby, when said reinforcing ring is disposed about the outer perimeter of said first and second end caps, the pressure handling capacity of said pressure vessel is increased. 4. A cellular reservoir flexible pressure vessel, as described in claim 1, further comprising:a protruding rim; said protruding rim being disposed at said outer perimeter of said first and second end caps and upper and lower receiving notches, said upper and lower receiving notches being disposed above and below said protruding rim;upper and lower a reinforcing rings, each of said reinforcing rings having an inner surface, an outer surface, being formed of high-strength material and being sized and shaped to fit tightly in either of said upper and lower receiving notches;at least one of said reinforcing rings having an aperture, said aperture extending from said inner surface to said outer surface and being sized, shaped and disposed to accommodate said passageway connecting to said collecting reservoir; andwhereby, when said reinforcing rings are disposed about the outer perimeter of said first and second end caps, the pressure handling capacity of said pressure vessel is increased. 5. A cellular reservoir flexible pressure vessel as described in claim 4, further comprising means for fastening said upper reinforcing ring to said lower reinforcing ring. 6. A cellular reservoir flexible pressure vessel, as described in claim 1, further comprising:A protruding rim, said protruding rim being disposed at said outer perimeter of said first and second end caps;at least one groove disposed about said outer perimeter above said protruding rim;at least one groove disposed about said outer perimeter below said protruding rim;upper and lower reinforcing rings, each of said reinforcing rings having an inner surface, an outer surface, being formed of high-strength material and being sized and shaped to fit tightly about said outer perimeter on either side of said protruding rim;each of said reinforcing rings having at least one rib disposed upon the inner surface thereof, said rib being sized, shaped and disposed to engage said groove; andwhereby, when said reinforcing rings are disposed about the outer perimeter of said first and second end caps, the pressure handling capacity of said pressure vessel is increased. 7. A cellular reservoir flexible pressure vessel as described in claim 6, further comprising means for fastening said upper reinforcing ring to said lower a reinforcing ring. 8. A cellular reservoir flexible pressure vessel as described in claim 1, further comprising:a sintactic foam filler, said foam filler being disposed within said collecting reservoir of at least one of said first and second end caps;said foam filler having a series of canals therethrough, each of said canals connecting said orifice of said receptacle to said passageway;an opening in said end caps, said opening providing means for introduction of said sintactic foam into said end caps;a sealing plug, said sealing plug being sized and shaped to fit sealably into said opening in said end caps; andwhereby, when said sintactic foam is introduced into said end caps, the pressure handling capacity of said pressure vessel is increased. 9. A cellular reservoir flexible pressure vessel as described in claim 1, further comprising:a sintactic foam filler, said foam filler being disposed within said collecting reservoir of at least one of said first and second end caps;said foam being penetrated by a series of flexible microtubes, each of said microtubes connecting said orifice of said receptacle to said passageway;an opening in said end caps, said opening providing means for introduction of said sintactic foam into said end caps;a sealing plug, said sealing plug being sized and shaped to fit sealably into said opening in said end caps; andwhereby, when said microtubes are connected to the orifices of said receptacles in said end caps, the purity of either of liquids and gasses stored in said pressure vessel is increased. 10. A cellular reservoir flexible pressure vessel, as described in claim 1, further comprising:an overwrapping of high-strength braiding material, said braiding material extending over said flexible tubes and said first and second end caps; andwhereby, when the flexible pressure vessel is so overwrapped, its pressure-handling capability will be increased. 11. A cellular reservoir flexible pressure vessel, as described in claim 1, further comprising:hoop winding with high-strength materials, said hoop winding extending over said flexible tubes and said first and second end caps; andwhereby, when the flexible pressure vessel is so hoop wound, its pressure-handling capability wil l be increased. 12. A cellular reservoir flexible pressure vessel, as described in claim 10, further comprising a plastic overcoating, said overcoating further increasing the pressure-handling capability of the pressure vessel. 13. A cellular reservoir flexible pressure vessel, as described in claim 11, further comprising a plastic overcoating, said overcoating further increasing the pressure-handling capability of the pressure vessel. 14. A cellular reservoir flexible pressure vessel, as described in claim 1, further comprising:a first flexible blanket, said first blanket having an upper surface, a lower surface and being sized and shaped to cover said pressure vessel and extending outwardly beyond outer edges thereof;said first blanket being fixedly attached at its lower surface to an upper surface of said pressure vessel;a second flexible blanket, said second blanket having an upper surface, a lower surface and being sized and shaped to cover said pressure vessel and extending outwardly beyond said outer edges;said second blanket being fixedly attached at its upper surface to a lower surface of said pressure vessel; andwhereby, when said first and second flexible blankets are attached to said pressure vessel, the pressure handling capability of the pressure vessel will be increased. 15. A cellular reservoir flexible pressure vessel as described in claim 14, wherein heavy duty stitching is used to attach the first blanket to the second blanket, said stitching penetrating the first and second blankets and serving to further reinforce and increase the pressure-handling capabilities of the pressure vessel. 16. A cellular reservoir flexible pressure vessel as described in claim 15, wherein the heavy duty stitching is high pressure hoop and lock braiding. 17. A cellular reservoir flexible pressure vessel, as described in claim 1, wherein the cross-sectional shape of the outer surface of the flexible tubing is selected from the group comprising:square, triangular, round, hexagonal, ovoid, octagonal and star-shaped. 18. A cellular reservoir flexible pressure vessel, as described in claim 1, wherein the cross-sectional shape of the inner surface of the flexible tubing is selected from the group comprising:square, triangular, round, hexagonal, ovoid, octagonal and star-shaped. 19. A cellular reservoir flexible pressure vessel, as described in claim 1, wherein the cross-sectional shape of the flexible pressure vessel is selected from the group comprising:square, triangular, round, hexagonal, ovoid, octagonal, pillow shaped, saddle shaped and a flattened mat shape. 20. A cellular reservoir flexible pressure vessel, as described in claim 1, wherein:each of said receptacles are of a concave form selected from the group comprising:cylindrical, conical, dome-shaped, ellipsoid and stair-stepped. 21. A cellular reservoir flexible pressure vessel, as described in claim 20, wherein said first and second ends of each of said flexible tubes are sized and shaped to fit sealably into said receptacles. 22. A cellular reservoir pressure vessel as described in claim 1, further comprising:upper and lower reinforcing panels, said reinforcing panels being formed of high-strength woven material and being shaped as a form to cover at least half of a surface area of the pressure vessel with extensions projecting from a perimeter of said form; andsaid reinforcing panels being adhered to said outer surface of said pressure vessel, thereby increasing the pressure handling capability of said pressure vessel. 23. A cellular reservoir flexible pressure vessel as described in claim 22, wherein the method of adhesion is selected from the group comprising:high-strength adhesive, sonic welding and RE welding. 24. A cellular reservoir flexible pressure vessel as described in claim 22, wherein the woven material is prepregnated with either of adhesive and laminating material and subjected to heat and pressure.
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