Headlamp ventilation system
US4833572A · kind A · utility
5Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1988 |
| Grant date | May 23, 1989 |
| Priority date | — |
| Expiry date | Aug 29, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S45/33
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A ventilation system for a replaceable bulb headlamp in which the reflector member is formed with at least two slots in line with and behind the sealant channel and each slot is adapted to slidingly receive a vent device which establishes a labyrinth-type flow path for air to enter and exit from the interior of the headlamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.