Fan protection device
US6551065B2 · kind B2 · utility
39Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 2001 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Jun 8, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D27/008
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A device to protect fans from overheating and overloading with driving current. The fan protection device of the present invention monitors the temperature and current change of the operating fan. When the temperature or the current float surpasses a predetermined value, the protection device cuts off the fan's power supply and avoids damage to the unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.