Hydrostatic mechanical seal with local pressurization of...

Details Hydrostatic mechanical seal with local pressurization of... Hydrostatic mechanical seal with local pressurization of...

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/34 (2006.01) E21B 10/25 (2006.01)

Patent

CA 2590269

A hydrostatic mechanical seal assembly includes a locally deployed pump for pressurizing a lubricant fluid between the opposing faces of a mating ring and a sealing ring. In one exemplary embodiment, such pressurization may be achieved via a device that converts the rotational motion of a drive shaft into fluid pressure. The locally deployed pump is intended to advantageously provide a stable positive pressure on the sealing interface between the mating and sealing rings, which may provide improved sealing characteristics, especially in demanding downhole environments.

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