Patent ID: 6091175
Filing Date: 2000-07-18
Classification: F04D,F16C

Abstract:
A submersible pumping system comprising:a pump;a motor drivingly coupled to the pump, the motor including a rotating assembly and a non-rotating assembly, the non-rotating assembly including a self-centering rotor bearing assembly, the rotor bearing assembly including a journal configured to be disposed about a rotating member of the rotating assembly, the journal having a peripheral surface, the surface being configured to possess at least two circumferential support regions, the support regions being spaced apart from one another, and at least two seals, each seal including an interface member and an activating member, each seal being disposed in a corresponding support region and being configured to exert a force against the journal and against a non-rotating member of the non-rotating assembly disposed about the periphery of the journal; anda motor protector for separating an interior region of the motor from surrounding fluids.