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. 14, 2021
Filed:
Aug. 15, 2018
Edscha Engineering Gmbh, Remscheid, DE;
Marc Zander, Ratingen, DE;
Jochen Bals, Dortmund, DE;
EDSCHA ENGINEERING GMBH, Remscheid, DE;
Abstract
A drive device for a vehicle flap includes an electric motor () for driving the vehicle flap, and a supply switching circuit (). The supply switching circuit () includes a first voltage source () for supplying current to the electric motor (), a first electrical supply line () and a second electrical supply line (). The first voltage source () is arranged between the first electrical supply line () and the second electrical supply line (). The drive device also includes a control switching circuit () including a second voltage source () and a switching control device (). The drive device includes a switching element () and a diode () connected between the first electrical supply line () and the second electrical supply line ().