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:
Nov. 23, 2021
Filed:
Jun. 13, 2019
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
Jan Giebel, Braunschweig, DE;
Ralf Pfennigwerth, Lehre, DE;
Karsten Rowold, Cremlingen, DE;
Carsten Busse, Wolfsburg, DE;
VOLKSWAGEN AKTIENGESELLSCHAFT, Wolfsburg, DE;
Abstract
A charging device for electrically charging and discharging a traction battery in an electric vehicle, comprises a first DC-DC converter; a vehicle plug; a power plug or network connection; a rectifier; a second DC-DC converter; a connection node; wherein the first DC-DC converter can be coupled with a DC power source and is coupled with the connection node; the rectifier can be coupled with the power plug and is coupled with the second DC-DC converter; and the connection node is coupled with the vehicle plug. The object of providing such a charging device with improved efficiency is achieved in that the connection node is connected between the second DC-DC converter and the vehicle plug.