Fluid pressure assisted rotary shaft seal with labyrinth...

Details Fluid pressure assisted rotary shaft seal with labyrinth... Fluid pressure assisted rotary shaft seal with labyrinth...

F - Mech Eng,Light,Heat,Weapons

16

J

277/17

F16J 15/48 (2006.01) F16C 33/72 (2006.01) F16C 33/76 (2006.01) F16C 33/80 (2006.01) F16J 15/34 (2006.01)

Patent

CA 1240723

21 FLUID PRESSURE ASSISTED ROTARY SHAFT SEAL WITH LABYRINTH BUSHING AND REPLACEMENT SEAL SLEEVE CARTRIDGE ABSTRACT OF THE DISCLOSURE A replaceable wear sleeve cartridge (20) fixedly mounted to a housing bore (32) carries internally the fixed race of an anti-friction bearing (14) and a static seal race (28). The wear sleeve cartridge defines with a labyrinth preseal bushing (22) fixed to the shaft, the basic elements of a labyrinth preseal and additionally resiliently couples through a seal wedge (24), a rotating seal race (26) whose end face is both fluid pressure and resiliently biased against the end face of the annular static seal race.

456068

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