The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 2010
Filed:
May. 24, 2005
Jean-luc Bessede, Chateauvilain, FR;
Christophe Perrier, Villeurbanne, FR;
Abderrahmane Beroual, Champagne Au Mont d'Or, FR;
Jean-Luc Bessede, Chateauvilain, FR;
Christophe Perrier, Villeurbanne, FR;
Abderrahmane Beroual, Champagne Au Mont d'Or, FR;
Areva T&D SA, Paris, FR;
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.