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. 17, 2005
Filed:
Dec. 18, 2000
Applicants:
Frank Ertzsaenger, Wolfsburg, DE;
Torsten Zawade, Peine, DE;
Peter Konrad, Braunschweig, DE;
Klaus Revermann, Borensdorf, DE;
Inventors:
Frank Ertzsaenger, Wolfsburg, DE;
Torsten Zawade, Peine, DE;
Peter Konrad, Braunschweig, DE;
Klaus Revermann, Borensdorf, DE;
Assignee:
Volkswagen AG, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J007/00 ; H02G003/00 ;
U.S. Cl.
CPC ...
Abstract
A method and a device are for overvoltage protection in dual-voltage vehicle electrical systems that have a different level of voltage. A switching element is positioned in at least one branch of the vehicle electrical system on the higher voltage level, and a voltmeter unit is located in the vehicle electrical system on the lower voltage level. The switching element is controlled by the voltmeter.