Dehumidifier for a closed vehicle headlamp housing
US11193647B2 · kind B2 · utility
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0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2018 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | May 16, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S45/33
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for dehumidifying a closed vehicle headlamp housing includes a box with an opening connecting the inside of the box with the inside of the closed housing, and an opening connecting the inside of the box with the outside of the closed housing. The device further includes a shutter for alternatively opening the opening or sealingly closing it, an actuation module configured such that the shutter closes the opening when it is activated, and a heating element for emitting heat when the actuation module is activated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.