Oil-filled transformer housing
US5025949A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1990 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Jun 20, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F27/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a transformer housing assembly including a tank and a base supporting the tank, the tank being arranged to contain a body of oil and a transformer the tank and base are secured together, subsequent to individual fabrication thereof, by a plurality of fastening devices. Each fastening device includes an attachment member which is permanently fastened to an upwardly projecting recess formed in the tank bottom, the attachment member being dimensioned to not extend below the portions of the tank bottom surrounding the recess, and the attachment being provided with an internally threaded lined bore. each fastening device further includes a clamping member extending across the associated recess in the tank bottom and a bolt which passes through an opening in the clamping member and engages in the threaded line bore in order to cause the clamping member to clamp a flange provided at the upper end of the base to the tank bottom. In order to prevent the insertion of thin bodies between the tank and the base, a T-shaped baffle is provided. The baffle includes a leg which is clamped between the tank bottom and the base flange and a vertical cross piece which bears against front panels of t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.