Seal with load enhancing bead

Details Seal with load enhancing bead Seal with load enhancing bead

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/32 (2006.01)

Patent

CA 2622167

A shaft seal is provided including a seal lip having a load enhancing bead provided at an end thereof. The bead has a triangular-shaped profile that acts to concentrate load to a small location to provide a larger contact pressure at the point of contact. If the bead wears over time, the contact area will slightly increase, but the effect of the bead will be present until completely worn off. The small area of contact also leads to less heat generation in the seal. The load enhancing bead could be applied to all types of radial shaft seals.

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