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. 21, 2017
Filed:
Feb. 12, 2014
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Johannes Kaltenbach, Friedrichshafen, DE;
Matthias Reisch, Revensburg, DE;
Ulrich Kehr, Tettnang, DE;
Michael Preuβ, Meersburg, DE;
Kai Bornträger, Langenargen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A drive-train for a vehicle with at least one electric drive, which can be coupled via a driveshaft () to at least a first transmission ratio stage (i) and a second transmission ratio stage (i). At least one shifting mechanism is provided for engaging the transmission ratio stages (i, i). To carry out powershifts, the shifting mechanism includes at least one interlocking shifting element () and at least one frictional shifting element (A). Each of the transmission ratio stages (i, i) can be engaged by the interlocking shifting element () and at least one of the transmission ratio stages (i) can be engaged both by the interlocking shifting element () and by the frictional shifting element (). Methods for carrying out a powershift, between a frictional shifting element (A) and an interlocking shifting element () in the drive-train, are also disclosed.