OILLESS BEARING TYPE MOTOR WITH FUNCTION OF PREVENTING OIL LEAKAGE

摘要

An oilless bearing type motor with a function of preventing oil leakage, wherein the motor includes an oilless bearing supporting a rotational shaft to be rotatable, includes a rotor of whichthe rotational shaft is fixed in a central portion. The rotor has an oil collecting indentation around the rotational shaft to collect oil leaked from an oilless bearing side, and is formed by pressing soft magnetic powder. Further, The oilless bearing type motor includes an oil absorption ring formed of a material absorbing a liquid to allow the oil, which moves by a centrifugal force in the oil collection indentation, to be absorbed, and installed in the oil collecting indentation.