Cooling fan with flashing light effect
US6790003B1 · kind B1 · utility
21Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2003 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Jun 9, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/005
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cooling fan having flashing light effect, having a fan base, a set of blades and a plurality of light emitting diodes. The fan base further comprises a plurality of supporting levers connected to a common base. Circular axial perforation is formed in the common base, and a plurality of slots and light guides are installed near a periphery of the common base. Each light emitting diode is embedded in the corresponding slot and electrically connected to the circuit board of the set of blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.