F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/38
F16J 15/32 (2006.01)
Patent
CA 1170288
ABSTRACT OF THE DISCLOSURE A rotary fluid seal, especially an oil seal for a rotary shaft, comprises a sealing ring between axially-opposed divergent frusto-conical counterfaces of relatively rotatable members, preferably casing rings in a self contained seal unit, the sealing ring having a pair of divergent sealing lips presenting frusto-conical contact faces to the counterfaces and being substantially coaxial with but floating freely between the relatively rotatable members, the contact faces bearing frictionally on the counterfaces so that, on relative rotation of the members, the sealing ring is frictionally driven into rotation by one or other of the members and the effect of centrifugal force, tending to cause the sealing lips to flex angularly outwardly, reduces the bearing load of the contact faces on the counterfaces.
405246
Angus (george) & Company Limited
Osler Hoskin & Harcourt Llp
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