Two step packing gland

Details Two step packing gland Two step packing gland

F - Mech Eng,Light,Heat,Weapons

16

J

277/46

F16J 15/16 (2006.01)

Patent

CA 1189549

ABSTRACT OF DISCLOSURE Disclosed is an improved sucker rod packing gland for oil well pumps. The improved packing gland has two packing sections, a lower section and an upper section with a reservoir disposed between them. Oil which leaks through the lower packing section is contained in the reservoir between upper packing section and drained from the reservoir by a return line which delivers it back to the well. Delivery of the oil collected in the reservoir through the return line is accomplished by a pressure differential built up in the reservoir by reason of the two packing stages and the gravity flow continues on the return line.

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