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:
Aug. 28, 2007
Filed:
Mar. 15, 2005
Applicants:
Lise Donzel, Wettingen, CH;
Felix Greuter, Rutihof, CH;
Hansjoerg Gramespacher, Niederrohrdorf, CH;
Inventors:
Assignee:
ABB Research Ltd, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 17/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention pertains to a dielectric bushing ('), in particular a high-voltage bushing (′) for an electrical high-voltage apparatus. To realize the field control in the field-stressed zone (), at least one screening electrode () arranged in the interior () of the insulator part () is eliminated and replaced with a non-linear electric and/or dielectric field control element () on the insulator part () in the region of the first installation flange ().