Electrical transformer remanufacturing process for removal of contaminants
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United States of America Patent
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Jul 13, 1993
Grant Date -
N/A
app pub date -
May 1, 1991
filing date -
May 1, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process for the remanufacture of transformers of the type having a coil/core assembly immersed in a tank of mineral oil. Contaminants such as water, air and dirt are removed from the coil/core assembly by means of a hot mineral oil bath which is maintained in a temperature range between the boiling point of water and the boiling point of the mineral oil, typically 212.degree. F. to 295.degree. F.
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