Seal device

Details Seal device Seal device

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/54 (2006.01) F16J 15/53 (2006.01)

Patent

CA 2547181

A shaft seal, for use with a rotating shaft and a structure defining an aperture through which the shaft extends, is disclosed. The seal comprises a rotor, a seal member and a driver. The rotor, in use, is sealingly secured to said shaft, on one side of said aperture, for rotation therewith. The seal member, in use, defines a void through which said shaft extends in spaced relation, is operatively sealed about said aperture and is manipulable between a first position, abutting the rotor to seal the aperture, and a second position, spaced from the rotor. The driver is adapted to oscillate the seal member between the first position and the second position, at a high frequency such that, in use, liquid disposed on said one side of said aperture cannot infiltrate said void for egress to said aperture.

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