Discharge lamp with ventilation passage
US6509674B1 · kind B1 · utility
21Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 1999 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Oct 27, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A discharge lamp is provided which employs a higher-pressure and higher-wattage lamp body 1 and is capable of effectively preventing the scattering of broken pieces of the lamp body 1 at explosion of the lamp body 1. The discharge lamp comprises a lamp body 1, a reflector 2 having the lamp body 1, and a front glass fitted on a front portion of the reflector 2, wherein the reflector 2 has vent holes 4 in which mesh sheets 6 or perforated plates 5 are fitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.