Patent ID: 8342753

Claim:
A system for use in a rolling mill oil film bearing to remove oil exiting from between a rotating sleeve and a fixed bushing surrounding the sleeve, said system comprising: an annular chamber arranged to receive said exiting flow of oil, said chamber being isolated from a drainage sump by confinement surfaces including a seal interface defined by a flexible seal in contact with an adjacent rigid component of the bearing; impellers projecting into said chamber, said impellers being rotatable with and at the velocity of said sleeve to rotatively propel the oil around said chamber; a discharge conduit communicating tangentially with said chamber, said discharge conduit being arranged to receive a pressurized flow of the oil being rotatively propelled around said chamber; a venturi in said discharge conduit; and a suction conduit connecting said venturi to said drainage sump and through which the oil in said chamber escapes from said chamber past said seal interface into said drainage sump is aspirated for removal via said discharge conduit.