Arc resistant system and method for ventilation of electrical equipment
US12200880B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2022 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | May 19, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K7/20145
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A ventilation system for an electrical equipment enclosure is provided. The ventilation system includes a first vent disposed at an interior of the enclosure; a second vent disposed at an exterior of the enclosure and located away from the first vent along an air flow path, which may be circuitous; at least one inner shutter held in an open position with respect to the first vent; and at least one outer shutter held in an open position with respect to the second vent; the at least one inner shutter and the at least one outer shutter each being configured to automatically transition from an open position to a closed position in response to air pressure increase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.