Metal clad switchgear having exterior ventilation shafts
US4464703A · kind A · utility
11Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1982 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Jul 12, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B1/56
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is proved by this invention a novel metal clad switchgear construction wherein the exterior walls are recessed to form areas disposed to provide ventilation shafts between adjacent units and increased access to the primary terminals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.