Heat-dissipating device for a projection apparatus
US7607781B2 · kind B2 · utility
5Cited by
21References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2006 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Oct 15, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heat-dissipating device includes a receptacle body having a lateral wall formed with an air vent; a lamp unit including a burner, a reflector covered the burner, a glass plate disposed in front of the reflector, the reflector cooperating with the glass plate to define an air inlet adjacent to the air vent and an air outlet spaced from the air vent; a fan unit mounted on the receptacle body for covering the air vent and for generating airflow to flow into the receptacle body; and a nozzle disposed within the receptacle body between the air vent and the lamp unit for guiding the airflow into the lamp unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.