F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/20
F16J 15/16 (2006.01) F16J 15/34 (2006.01) F16L 27/087 (2006.01) F16L 39/00 (2006.01)
Patent
CA 1134406
ABSTRACT A rotary seal unit is fitted between a shaft and a surrounding member. The unit comprises a runner fixed to the shaft and within an outer housing fixed to the surround member. Mating sealing rings are carried one by the housing and the other by the runner. One of the rings is axially fixed while the other is axially slidable and urged by springs towards said one ring. The housing encloses and protects the sealing rings prior to and during fitting. A soft (or hard) setting ring is provided to axially locate the axially fixed ring and the component carrying the other ring, but permitting rotation between them, so that the spring loading of the rings is not disturbed during fitting The softer material wears away in use. The setting ring also protects against entry of dirt.
344835
Cannings John A.
Stewart & Kolash Ltd
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