Thermal element for maintaining minimum lamp wall temperature in fluorescent fixtures
US5161884A · kind A · utility
20Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 1990 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Apr 30, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2103/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a lighting fixture including a lamp and a housing, an improvement is disclosed for maintaining a lamp envelope area at a cooler, reduced temperature relative to the enclosed housing ambient. The improvement comprises a thermal element in thermal communication with the housing extending to and springably urging thermal communication with a predetermined area of the lamp envelope surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.