Motor with raised rotor
March 10, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1866478 3604962 Electric motors Disk storage drive Thrust bearing device Axial retaining means for the rotor shaft of an electric motor Brushless motor Disc drive with self-pressurizing fluid bearing and shaft-supporting-ball retaining element Motor including an apparatus for mounting a rotor and stator coil to a printed circuit board Spin drive motor for a disk storage device InventorAssigneeApplicationNo. 10797901 filed on 03/10/2004US Classes:310/90Bearing or air-gap adjustment or bearing lubricationExaminersPrimary: Lam, ThanhAttorney, Agent or FirmForeign Patent References
International ClassH02K 5/16AbstractA motor has a stator, a rotor having a shaft, and a sleeve bearing in contact with the rotor shaft. The sleeve bearing also is fixedly secured to the stator. Additionally, the motor also has a movable support member axially supporting the shaft. The movable support member illustratively is movable relative to the shaft. The rotor center of gravity coincides approximately with the opening in the bearing-shaft interface. | |
