Extrusion resistant hydrodynamically lubricated multiple...

Details Extrusion resistant hydrodynamically lubricated multiple... Extrusion resistant hydrodynamically lubricated multiple...

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/16 (2006.01) F16J 15/32 (2006.01)

Patent

CA 2220090

A hydrodynamically lubricated interference type rotary shaft seal (136) for environmental exclusion and high pressure lubricant retention which incorporates composite multiple modulus construction and non-planar flexible environmental edge heel geometry which cooperate to resist high pressure extrusion damage while minimizing interfacial contact pressure and accommodating radial shaft motion.

Garniture d'étanchéité (136) d'arbre rotatif de type interférentiel, à lubrification hydrodynamique, hermétique par rapport aux contaminants de l'environnement et destinée à retenir un lubrifiant sous haute pression, dans laquelle la conception est de type composite à modules multiples et la géométrie du talon du rebord environnemental flexible et non plane. Ces deux éléments coopèrent de façon à résister aux dégâts causés par l'extrusion sous haute pression, tout en minimisant la pression au niveau du contact de jonction et en s'adaptant au mouvement radial de l'arbre.

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