F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/20.4
F16J 15/48 (2006.01) F16J 15/34 (2006.01)
Patent
CA 1187128
ABSTRACT OF THE DISCLOSURE A seal assembly of the mechanical face seal type has features to reduce leakage across the faces. The seal assembly includes a stationary seal ring through which a rotating shaft passes. A rotating seal ring is mounted around the shaft for rotation therewith. A spring urges the rotating seal ring into contact with the stationary seal ring. A plurality of concentric, nonintersecting grooves are placed on the face of the stationary seal ring to enhance sealing.
410428
Boyd Clinton A.
Salant Richard F.
Gowling Lafleur Henderson Llp
Hughes Tool Company
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