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:
Dec. 02, 1997
Filed:
Aug. 26, 1996
Applicant:
Inventors:
Dieter Dohnal, Lappersdorf, DE;
Hans-Henning Lessmann-Mieske, Neutraubling, DE;
Assignee:
Maschinenfabrik Reinhausen GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B / ; G05F / ;
U.S. Cl.
CPC ...
323340 ; 323258 ; 200 / ;
Abstract
A tap changing circuit has each tap of a power transformer connected with a selector vacuum switching cell. The odd numbered cells and the even numbered cells are connected to respective sides of a load switch each including a further vacuum switching cell. The sides are bridged by a transition inductor or resistor.
Dohnal, Dieter. (1997). Tap changer for a tapped or stepped transformer (U.S. Patent No. 5694034). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5694034
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile