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:
Apr. 06, 2021
Filed:
Mar. 15, 2018
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Christian Mittelberger, Ravensburg, DE;
Stefan Blattner, Ravensburg, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A drive-train for a vehicle having at least one electric drive unit (EM) which is, or can be, coupled by way of a driveshaft (AW) to at least a first transmission stage (i), a second transmission stage (i) and a third transmission stage (i). At least one shifting device having at least two interlocking shifting elements (S, S) is provided for engaging the first and second transmission stages (i, i), and a frictional shifting element (S) is provided for traction a force support of the first and the second transmission stages. The frictional shifting element (S) is also provided for engaging the third transmission stage (i).