Patent ID: 8242651
Filing Date: 2012-08-14
Classification: F16C,F16N,Y10T

Abstract:
1. An induction, motor comprising: a housing including therein: an internal oil sump, at least one oil ring hydrodynamic bearing without a pressurized oil feed system, the oil ring thereof in fluid communication with oil in the internal oil sump, and a rotatable shaft defining at least one journal in rotatable engagement with the bearing; an electrically powered oil sump pump oriented within the internal oil sump; an oil intake coupled to the oil sump pump that is in fluid communication with oil in the internal sump; an oil discharge line external and independent from the bearing, having a proximal end coupled to the sump pump discharge and a distal end for discharge of oil therefrom, the discharge line oriented proximal the motor bearing so that oil discharged therefrom replenishes oil in the bearing and shaft journal interface.