Patent Number: 6,250,809

Title: Bearing structures for a motor rotor

Abstract: A bearing structure for a motor rotor includes an engaging portion of a larger diameter formel on an outer periphery of the bearing tightly mounted to an inner periphery of an axle tube. The bearing structure further includes an axle hole for pivotally supporting a shaft of the motor rotor. The axle hole includes a pivotal section and an oil reservoir section that has an inner diameter larger than that of the pivotal section and that is not aligned with the pivotal section.

Inventors: Horng; Alex (Kaohsiung, TW)

Assignee: Sunonwealth Electric Machine Industry Co., Ltd.

International Classification: F16C 23/00 (20060101); F16C 23/04 (20060101); F16C 023/04 ()

Expiration Date: 06/26/2018