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:
Jul. 01, 2025
Filed:
Jul. 27, 2021
Applicant:
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Inventors:
Eduard Heilig, Friedrichshafen, DE;
Udo Brehmer, Friedrichshafen, DE;
Raphael Zohner, Huenfelden, DE;
Assignee:
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/00 (2006.01); B28C 5/42 (2006.01); H01M 10/44 (2006.01); H02P 3/00 (2006.01); H02P 5/00 (2016.01);
U.S. Cl.
CPC ...
B28C 5/421 (2013.01); H01M 10/44 (2013.01); H01M 2220/20 (2013.01);
Abstract
An electric drive for a mixer drum, including a high-voltage DC voltage power supply to which at least one battery, a power converter and at least one external interface for connecting a stationary electric power supply are connected. The at least one battery is charged only via the at least one external interface, wherein a controller is configured to control flows of energy from and to components connected to the high-voltage DC voltage power supply.