Rotating sealing device

Details Rotating sealing device Rotating sealing device

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/40 (2006.01) F16J 15/43 (2006.01)

Patent

CA 2244678

A rotating sealing device for sealing between a wall separating two mediums under substantially different pressure and a rotatable shaft utilizes a combination of a liquid metal seal comprising at least one liquid metal ring and a shield means which prevents contamination of the metal ring by gases coming into contact with the liquid metal. Magnetic fluid seal, a ring of an oil material, or inert gas may be used as a shield to protect the liquid metal.

Dispositif d'étanchéité rotatif destiné à assurer l'étanchéité entre une paroi séparant deux milieux soumis à des pressions sensiblement différentes et un arbre rotatif; ce dispositif combine une garniture une garniture d'étanchéité à métal liquide, comprenant au moins un anneau en métal liquide, et un dispositif écran qui s'oppose à la contamination de l'anneau de métal par les gaz qui entrent en contact avec le métal liquide. Pour protéger le métal liquide, on utilise une garniture d'étanchéité magnétique, une substance à base d'huile ou un gaz inerte, qui servent d'écran.

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