Thermal protector device for a lighting unit
US4835667A · kind A · utility
22Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 15, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Jun 15, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/802
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for detecting the level of heat generated by a lighting unit utilizing a sleeve possessing an end portion positioned adjacent to the exterior of the housing, an interior portion, and an exterior portion. A thermal protector is positioned at the interior portion of the sleeve at a selected distance from the exterior of the housing. Air is circulated between the exterior portion of the sleeve and the interior portion of the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.