Incandescent electric lamp withheat recovery means
US4275327A · kind A · utility
8Cited by
5References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 1978 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | Oct 30, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01K1/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An incandescent electric lamp utilizing an infrared (IR) reflector for directing IR energy back to the filament to increase its operating efficiency in which a reflector is used to redirect circulating infrared energy back to the wall of the envelope where it then can be redirected back to the filament, or reflected directly back onto the filament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.