Roof light system having a ventilation device with improved flexibility
US8292706B2 · kind B2 · utility
2Cited by
16References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2005 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Jul 7, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S11/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The roof light system is composed by a roof unit (10), a light conduit (70) and a diffuser unit (80). A ventilation device has a ventilation tube (60) is separate and detached from the light conduit (70). The first end (60a) of the ventilation tube is connected with the roof unit (10) and the second end (60b) is positioned at a distance from the diffuser unit (80). The ventilation device may additionally have a branch tube (160).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.