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:
May. 22, 2001
Filed:
Jul. 09, 1999
Applicant:
Inventors:
Alberto Abisso, Lecce, IT;
Manuela Signorelli, Sotto, IT;
Assignee:
ABB Research Ltd., Zurich, CH;
Primary Examiner:
Int. Cl.
CPC ...
H01B 7/00 ;
U.S. Cl.
CPC ...
H01B 7/00 ;
Abstract
An electric device for medium and high voltage transmission and/or distribution lines having a free volume V undergoing an electrical stress and including an insulating filler that fills the free volume, wherein the insulating filler includes a compressible silicone-based composition having a volume under normal conditions ranging from 1.01 to 1.2 V at a temperature of 25° C. The silicone-based composition may include hollow compressible plastic microspheres. The silicone-based composition may also include a crosslinkable polyorganosiloxane and an organosilicon crosslinker.