Method and apparatus for cooling electrodeless lamps
US5021704A · kind A · utility
23Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1990 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Feb 21, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J65/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Apparatus for cooling the lamp envelope of an electrodeless lamp which includes a conduit for carrying cooling gas into the vicinity of the lamp envelope and directing the cooling gas towards the lamp envelope through a slotted orifice in a wall of the conduit. The slotted orifice is preferably oriented with its long dimension substantially perpendicular to the conduct orifice and substantially parallel to the axis of a rotating lamp envelope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.