Patent ID: 9086153
Filing Date: 2015-07-21
Classification: B67C,F16J,Y10T

Abstract:
1. A sealing arrangement comprising a plurality of pairs of first and second annular seals, with a rotatable bearing device, said rotatable bearing device comprising a stationary part, a rotatable part, and a plurality of annular spaces disposed about said rotatable part, wherein at least one of said pairs of first and second annular seals is disposed between every two of said annular spaces, and wherein, for each of said pairs of first and second annular seals: said stationary part comprises a first annular recess, a second annular recess, and a third annular recess, each having first and second side walls; said stationary part comprises a first portion disposed between said first and second annular recesses, which first portion forms said second side wall of said first annular recess and said first side wall of said second annular recess; said stationary part comprises a second portion disposed between said second and third annular recesses, which second portion forms said second side wall of said second annular recess and said first side wall of said third annular recess; each of said first and second portions have an end face that is opposed to an outer surface of said rotatable part; said first annular seal is disposed in said first annular recess, and is configured to contact the outer surface of said rotatable part; said second annular seal is disposed in said third annular recess and is configured to contact the outer surface of said rotatable part; and said second annular recess and the outer surface of said rotatable part define a chamber disposed between said annular seals and configured to receive a disinfectant barrier medium therein.