Pipe swivel joint for submerged service

Details Pipe swivel joint for submerged service Pipe swivel joint for submerged service

F - Mech Eng,Light,Heat,Weapons

16

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285/41

F16L 27/00 (2006.01) B63B 22/02 (2006.01) F16L 27/08 (2006.01)

Patent

CA 1099309

ABSTRACT OF THE DISCLOSURE A pipe swivel joint for use at underwater or other submerged locations provides a system for circulating a lubricant under pressure through the joint's bearing race chamber and for monitoring the lubricant pressure to detect any leaks in the joint. The composition of the circula- ting lubricant can be analyzed to ascertain when an out- ward leak of pipe fluid or an inward leak of sea water into the lubricant exists. The leak can be halted by changing the lubricant pressure to match the pressure of the pipe fluid or the pressure of the sea water leaking through a defective seal so that operations can continue until the leak is repaired. -1a-

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