System and method of controlling cooling fan speeds
US6995532B2 · kind B2 · utility
9Cited by
41References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2004 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Oct 4, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/206
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cooling fan includes a fan, a motor coupled to the fan to drive the fan and a microcontroller. The microcontroller is connected to the motor and is capable of detecting a speed of the fan in real time and maintaining a constant speed of the fan regardless of changes in input voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.