High-pressure cryogenic fluid conduits that deliver high-pressure cryogenic fluids from a first point to a second point. This high-pressure fluid conduit has a safety feature that is activated when the high-pressure cryogenic fluid conduit fails due to exposure to a predetermined force. The safety f
High-pressure cryogenic fluid conduits that deliver high-pressure cryogenic fluids from a first point to a second point. This high-pressure fluid conduit has a safety feature that is activated when the high-pressure cryogenic fluid conduit fails due to exposure to a predetermined force. The safety feature is activated by the fracture of an annular ring that is positioned at either end of the high-pressure fluid conduit and is calibrated to fracture when exposed to the predetermined force. Fracture of the annular ring closes valves at each end of the high-pressure fluid conduit, thereby stopping the flow of high-pressure fluid from the high-pressure fluid source as well as the escape of high-pressure fluid from the high-pressure fluid container.
대표청구항▼
1. A high-pressure cryogenic fluid conduit adapted for connection between a high-pressure cryogenic fluid source and a high-pressure cryogenic fluid container, said high-pressure cryogenic fluid conduit comprising: a hose unit having a first end and a second end;a first housing adapted for connectio
1. A high-pressure cryogenic fluid conduit adapted for connection between a high-pressure cryogenic fluid source and a high-pressure cryogenic fluid container, said high-pressure cryogenic fluid conduit comprising: a hose unit having a first end and a second end;a first housing adapted for connection to a high-pressure cryogenic fluid source and having: (a) a first fluid opening through which high-pressure cryogenic fluid from the high-pressure cryogenic fluid source enters said first housing,(b) a second fluid opening through which high-pressure cryogenic fluid from the high pressure cryogenic fluid source leaves said first housing and enters said hose unit, and(c) a cavity between said first fluid opening in said first housing and said second fluid opening in said first housing;a second housing adapted for connection to a high-pressure cryogenic fluid container and having: (a) a first fluid opening through which (1) high-pressure cryogenic fluid from the high-pressure cryogenic fluid source leaves said hose unit and enters said second housing, and(2) high-pressure cryogenic fluid from the high-pressure cryogenic fluid container tends to leave said second housing and enter said hose unit during a failure of said hose unit,(b) a second fluid opening through which: (1) high-pressure cryogenic fluid from the high-pressure cryogenic fluid source leaves said second housing and enters the high-pressure cryogenic fluid container, and(2) high-pressure cryogenic fluid from the high-pressure cryogenic fluid container tends to enter said hose unit during a failure of said hose unit, and(c) a cavity between said first fluid opening in said second housing and said second fluid opening in said second housing;a coupling: (a) coupling at least one of: (1) said first housing to said first end of said hose unit, and(2) said second housing to said second end of said hose unit, and(b) having a weakened section that fractures when a predetermined force is applied to said coupling that causes first and second parts of said coupling on opposite sides of said weakened section to separate;a cryogenic seal: (a) extending between and secured to at least one of: (1) said first housing and said first end of said hose unit, and(2) said second housing and said second end of said hose unit, and(b) breakable when said first and second parts of said coupling separate;a first valve seat at said second fluid opening in said first housing;a second valve seat at said first fluid opening in said second housing;a first valve body mounted in said cavity of said first housing and movable between: (a) a first position to permit the flow of the high-pressure cryogenic fluid from the high-pressure cryogenic fluid source through said first housing, and(b) a second position against said first valve seat in said first housing to prevent high-pressure cryogenic fluid leaving said first housing;a second valve body mounted in said cavity of said second housing and movable between: (a) a first position to permit the flow of the high-pressure cryogenic fluid from the high-pressure cryogenic fluid source through said second housing, and(b) a second position against said second valve seat in said second housing to prevent the flow of high-pressure cryogenic fluid from the high-pressure cryogenic fluid container leaving said second housing; anda valve control: (a) retaining said first valve body in its first position and said second valve body in its first position, and(b) selectively moving said first valve body to its second position and said second valve body to its second position in response to fracture of said coupling and separation of said first and second parts of said coupling on opposite sides of said weakened section of said coupling. 2. A high-pressure cryogenic fluid conduit according to claim 1 wherein: (a) said first valve body is pivotally mounted in said cavity of said first housing, and(b) said second valve body is pivotally mounted in said cavity of said second housing. 3. A high-pressure cryogenic fluid conduit according to claim 2 wherein said coupling is an annular ring. 4. A high-pressure cryogenic fluid conduit according to claim 3 wherein said weakened section of said annular ring has a reduced thickness, relative to the thickness of said first and second parts of said annular ring, that extends completely around said annular ring. 5. A high-pressure cryogenic fluid conduit according to claim 4 wherein said weakened section of said annular ring is a continuous groove that extends circumferentially of said annular ring. 6. A high-pressure cryogenic fluid conduit according to claim 5 wherein said cryogenic seal is U-shaped. 7. A high-pressure cryogenic fluid conduit according to claim 6 wherein said cryogenic seal is made from a metal and is welded to said first housing and said second housing. 8. A high-pressure cryogenic fluid conduit according to claim 7 wherein said valve control includes a serpentine cable connected between said first valve body and said second valve body. 9. A high-pressure cryogenic fluid conduit according to claim 7 wherein said valve control includes a linkage having: (a) a first member pivotally secured to said first valve body, and(b) a second member pivotally secured to said second valve body and coupled to and separable from said first member of said linkage. 10. A high-pressure fluid conduit according to claim 9 wherein said first member of said linkage and said second member of said linkage are coupled together by one of said members of said linkage fitted into a bore hole in the other of said members of said linkage. 11. A high-pressure cryogenic fluid conduit comprising: a first housing adapted for connection to a high-pressure cryogenic fluid source and having: (a) a first fluid opening through which high-pressure cryogenic fluid from a high-pressure cryogenic fluid source enters said first housing,(b) a second fluid opening through which high-pressure cryogenic fluid from the high-pressure cryogenic fluid source leaves said first housing, and(c) a cavity between said first fluid opening in said first housing and said second fluid opening in the said first housing;a second housing: (a) abutting said first housing,(b) adapted for connection to a high-pressure cryogenic fluid container, and(c) having: (1) a first fluid opening aligned with said second fluid opening of said first housing and through which high-pressure cryogenic fluid leaving said first housing enters said second housing,(2) a second fluid opening through which high-pressure cryogenic fluid from the high-pressure cryogenic fluid source entering said second housing leaves said second housing and high-pressure cryogenic fluid from the high-pressure cryogenic fluid container tends to reenter said second housing upon separation of said first housing and said second housing, and(3) a cavity between said first fluid opening in said second housing and said second fluid opening in said second housing;a coupling: (a) coupling said first housing to said second housing,(b) having a weakened break-away section that fractures when a predetermined force is applied to said coupling that causes parts of said coupling to separate and permits separation of said first housing and said second housing;a cryogenic seal extending between and secured to said first housing and said second housing and breakable when said parts of said coupling separate;a valve seat at said second fluid opening in said first housing;a valve seat at said first fluid opening in said second housing:a first valve body mounted in said cavity of said first housing and movable between: (a) a first position to permit the flow of the high-pressure cryogenic fluid from the high-pressure cryogenic fluid source through said first housing, and(b) a second position against said valve seat in said first housing to prevent high-pressure cryogenic fluid leaving said first housing:a second valve body mounted in said cavity of said second housing and movable between: (a) a first position to permit the flow of the high-pressure cryogenic fluid from the high-pressure cryogenic fluid source through said second housing, and(b) a second position against said valve seat in said second housing to prevent the flow of high-pressure cryogenic fluid leaving said second housing; anda valve control: (a) retaining said first valve body in its first position and said second valve body in its first position, and(b) selectively moving said first valve body towards its second position and said second valve body towards its second position in response to fracture of said coupling and separation of said parts of said coupling. 12. A high-pressure cryogenic fluid conduit according to claim 11 wherein: (a) said first valve body is pivotally mounted in said cavity of said first housing, and(b) said second valve body is pivotally mounted in said cavity of said second housing. 13. A high-pressure cryogenic fluid conduit according to claim 12 wherein said coupling is an annular ring. 14. A high-pressure cryogenic fluid conduit according to claim 13 wherein said weakened section of said annular ring has a reduced thickness, relative to the thickness of said first and second parts of said annular ring, that extends completely around said annular ring. 15. A high-pressure cryogenic fluid conduit according to claim 14 wherein said weakened section of said annular ring is a continuous groove that extends circumferentially of said annular ring. 16. A high-pressure cryogenic fluid conduit according to claim 15 wherein said cryogenic seal is U-shaped. 17. A high-pressure cryogenic fluid conduit according to claim 16 wherein said cryogenic seal is made from a metal and is welded to said first housing and said second housing. 18. A high-pressure cryogenic fluid conduit according to claim 17 wherein said valve control includes a serpentine cable connected between said first valve body and said second valve body. 19. A high-pressure cryogenic fluid conduit according to claim 17 wherein said valve control includes a linkage having: (a) a first member pivotally secured to said first valve body, and(b) a second member pivotally secured to said second valve body and coupled to and separable from said first member of said linkage. 20. A high-pressure fluid conduit according to claim 19 wherein said first member of said linkage and said second member of said linkage are coupled together by one of said members of said linkage fitted into a bore hole in the other of said members of said linkage. 21. A high-pressure cryogenic fluid conduit according to claim 1 wherein said coupling is an annular ring. 22. A high-pressure cryogenic fluid conduit according to claim 21 wherein said weakened section of said annular ring has a reduced thickness, relative to the thickness of said first and second parts of said annular ring, that extends completely around said annular ring. 23. A high-pressure cryogenic fluid conduit according to claim 22 wherein said weakened section of said annular ring is a continuous groove that extends circumferentially of said annular ring.
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이 특허에 인용된 특허 (44)
Osborne Graham William,GB2 ITX NR28 9AV, Automatic valves.
King Frank E. (5 ; Faraday Road Peterlee ; Co. Durham GB2) Estebanez Joseph (Dartans ; 113 Lache Lane Chester GB2) Lang Reginald W. (34 ; Sandholme Drive Burley-in-Wharfedale ; Ilkley ; W. Yorkshire , Break-away coupling for hoselines.
King Frank E. (5 Faraday Rd. Peterlee ; Co. Durham GBX) Lang Reginald W. (34 Sandholme Dr. Burkley-in-Wharfedale ; Ilkley ; West Yorkshire GBX), Break-away coupling for hoselines.
Moore Glenn E. (Cincinnati OH) Anderson Paul B. (Cincinnati OH) Wood Chester W. (Milford OH) Blasch Lawrence R. (Cincinnati OH), Emergency shut-off valves.
Ragout Bernhard (Aubiere FRX) Moreau Charles (Blanzat FRX) Mayau David (Tallende FRX), Flexible hose with a visibly deformable structure upon an internal failure within the hose.
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