High performance dielectric oil and the use thereof in high...

Details High performance dielectric oil and the use thereof in high... High performance dielectric oil and the use thereof in high...

2005-05-24

2010-11-16

Mc Ginty, Douglas (Department: 1796)

Compositions

Fluent dielectric

O-containing

C252S567000, C252S570000

Reexamination Certificate

active

07833440

ABSTRACT:
The invention relates to a high-performance dielectric oil comprising approximately 75 to 95% by volume of a naphthenic oil and approximately 5 to 25% by volume of an ester oil, in particular a synthetic ester oil and more preferably an oil of the family of polyolesters. The high-performance dielectric oil may be used in high-voltage electrical equipment such as power, measurement, distribution or traction transformers, tap changers, bushings, distributors, oil-immersed circuit breakers, power capacitors, cables, etc.

REFERENCES:
patent: 2002/0017629 (2002-02-01), Mosier et al.
patent: 2003/0164479 (2003-09-01), Goedde et al.
patent: 199 46 641 (2000-04-01), None
patent: 0 292 025 (1988-11-01), None
patent: 2 107 938 (1972-05-01), None
patent: 51063499 (1976-06-01), None
CAS reg. No. 67254-74-4, Nov. 16, 1984.

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