F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/54 (2006.01) F02C 7/28 (2006.01) F16B 37/04 (2006.01) F16J 15/447 (2006.01)
Patent
CA 2513053
At least one annular tooth is defined in at least one of an inner circumferential surface of a controlled carbon seal and an outer surface of a rotatable shaft. The annular tooth is axially disposed between the upstream and downstream radially extending faces, in opposing relation to the other of the inner circumferential surface of the carbon seal and the outer shaft surface, such that the annular tooth extends theretowards.
Bailey Todd D.
Pratt & Whitney Canada Corp.
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