Stator unit, motor, and fan motor
US10680487B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2018 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Jun 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/128
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a fan motor, a stator unit of a motor that rotates an impeller includes a cylindrical bearing holder that extends in an axial direction, a cover that covers an end of the bearing holder on one side in the axial direction, and a seal provided between the bearing holder and the cover. The cover has a disc portion that is provided on the end on the one side in the axial direction and extends in the radial direction, and a cylindrical portion that extends from the disc portion to the other side in the axial direction, and is located inside of the end. The seal has a first seal portion located between an inner side face of the end and an outer side face of the cylindrical portion in the radial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.