Fan and motor thereof
US8142159B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2008 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Dec 19, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D25/0626
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan includes a plurality of blades and a motor. The motor includes a hub and a shaft having an end connected to the hub, a bushing, a bearing, and an oil-sealing structure. The blades are connected with and surrounding around the hub. The bushing is for supporting the other end of the shaft, and the bearing is disposed in the bushing and used to telescope the shaft. The shaft passes through the oil-sealing structure. The oil-sealing structure is telescoped to the shaft to fit tightly and the oil-sealing structure includes a main body and a barricade inwardly extending toward the shaft so that the oil-sealing structure is fixedly connected with the bushing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.