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. 08, 2001
Filed:
Sep. 16, 1999
Applicant:
Inventor:
Uwe Dierker, Isenbüttel, DE;
Assignee:
Volkswagen AG, Wolfburg, US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 ; B06L 1/00 ; H01M 1/200 ;
U.S. Cl.
CPC ...
H02J 7/00 ; B06L 1/00 ; H01M 1/200 ;
Abstract
This invention provides a dual-battery system (,) and a method for activating it, which comprises a starter battery (,), a generator (,), primary load (,), a vehicle electrical system battery (,), a starter (,), and a power switch (,), arranged between the starter battery (,) and vehicle electrical system battery (,), by way of which the starter battery (,) and vehicle electrical system battery (,) can be connected together in parallel during the starting operation, and further includes a controllable electronic switch (,) connected in parallel to a power switch (,).