Fan system
US9546664B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2013 |
| Grant date | Jan 17, 2017 |
| Priority date | — |
| Expiry date | Oct 26, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/058
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan system suitable for an electronic device is provided. The fan system includes a fan module and a fan protecting module. The fan module includes a base and a fan blade assembly. The base is disposed at the electronic device and has a chamber. The fan blade assembly includes a fan blade and a shaft portion. The fan blade is fixed on the shaft portion. The shaft portion is rotatably contained in the chamber. The fan protecting module includes an electromagnetic component and an accelerometer. The electromagnetic component is disposed at a position adjacent to the shaft portion. The accelerometer is disposed in the electronic device and coupled to the electromagnetic component. When an acceleration of the electronic device detected by the accelerometer is greater than a threshold value, the electromagnetic component applies magnetic force to the shaft portion to prevent the shaft portion from overly shifting or deflecting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.