Compensating mechanical seal for use with a downhole...

Details Compensating mechanical seal for use with a downhole... Compensating mechanical seal for use with a downhole...

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/12 (2006.01) F04B 47/06 (2006.01) F04B 53/00 (2006.01) F04D 13/10 (2006.01) F16J 15/34 (2006.01)

Patent

CA 2729378

An electrical submersible pumping system having a pump, a motor, a shaft connecting the pump and motor, and a mechanical seel assembly on the shaft. The mechanical seal assembly includes a sleeve circumscribing the shaft that is axially movable with respect to the shaft. The shaft is retained within a guide mount, an inner circumference of the guide mount extends radially outward to define a shoulder. An annular seat is disposed on the shoulder. One end of a resilient retention assembly couples on the outer surface of the sleeve with its other end compressively urged against the seat. A resilient member is compressively mounted on one end to the sleeve and on another end to the shaft at a location past the end of the sleeve distal from the seat.

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