F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/34 (2006.01)
Patent
CA 2218538
The present invention relates to a shaft seal (1) comprising a sealing element (14) mounted co--axially to a rotary sealing ring (10) to form a primary seal between opposed faces thereof to substantially prevent fluid flow across the primary seal. The sealing element (14) is urged axially towards the rotary ring (10) by a springs (15) acting between a pusher sleeve (15) connected to the sealing element (14) and a seal housing (19). A secondary seal formed between the pusher sleeve (15) and the housing (19) by a sealing member (20) located in a channel (21) in the pusher sleeve (15).
L'invention porte sur un joint tournant (1) comprenant un élément étanche (14) monté coaxialement sur une bague d'étanchéité tournante (10) de manière à former un joint primaire entre ses faces opposées, ce qui élimine pratiquement toute fuite à travers le joint primaire. L'élément d'étanchéité (14) est pressé contre la bague tournante (10) par un ressort (15) compris entre un manchon presseur (15) et la cage du joint (19). Un joint secondaire est constitué entre le manchon presseur (15) et la cage (19) par l'élément d'étanchéité (20) logé dans une rainure pratiquée dans le manchon presseur (15).
Dresser-Rand Company
Fetherstonhaugh & Co.
Holdcroft James Gerald
LandOfFree
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