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:
Jan. 13, 2004
Filed:
Apr. 08, 2002
Felix Greuter, Rütihof, CH;
Thomas Christen, Birmenstorf, CH;
Petra Kluge-Weiss, Dättwil, CH;
ABB Research Ltd, Zurich, CH;
Abstract
The bushing has an electrical conductor ( ) to which high voltage can be applied. One section of the electrical conductor ( ) is surrounded by a varistor arrangement ( ). The bushing also contains two electrical connections ( ), one ( ) of which can be connected to high voltage and the other ( ) can be connected to ground, a bushing insulator ( ) provided between the electrical conductor ( ) and the varistor arrangement ( ), and a clamping apparatus ( ) which applies a contact force to the electrical connections ( ) and to the varistor arrangement ( ) located in between them like a sandwich. The clamping apparatus has an insulating part which applies the contact force to the two electrical connections. The bushing insulator is in the form of a molding and has a supporting element, provided with a guide surface, for a contact ( ) (which is connected to the electrical conductor ( )) in a plug connection to a cable or to an apparatus bushing of an electrical apparatus.