Apparatus for continually upgrading transformer dielectric liquid
US4437082A · kind A · utility
46Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1982 |
| Grant date | Mar 13, 1984 |
| Priority date | — |
| Expiry date | Jul 12, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2009/0055
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electrical inductive apparatus having a tank, an insulating and cooling liquid in the tank and an electrical winding structure immersed in the liquid, the liquid having a low vapor pressure and containing contaminants derived from various sources within the tank. Filter means associated with the liquid including a liquid recirculating device for degassing, demoisturizing, and filtering insoluble particles out of the liquid, whereby the liquid is decontaminated and upgraded in a continual process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.