Patent ID: 6070881
Filing Date: 2000-06-06
Classification: F16J,Y10S

Abstract:
In a configuration for sealing a leadthrough gap between a wall and a shaft passing through the wall for rotation relative to the wall, the improvement comprising:a sealing ring having a sealing surface facing the shaft to be passed through said sealing ring, said sealing ring containing at least one line;a holder to be firmly connected to the wall, said holder having a cylindrical recess, a groove opening into said cylindrical recess and defining a first groove surface and a second groove surface for holding said sealing ring between said surfaces, said first groove surface having an annular groove, and a chamber surrounding said sealing ring, said chamber to be filled with oil remaining in said groove and directed out of said chamber through said at least one line to said sealing surface;an annular seal held in said an annular groove; anda branch line communicating between said annular groove having said annular seal and said chamber, said annular seal and said branch line cooperating to prevent oil from flowing between said sealing ring and said holder.