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. 10, 2015
Filed:
Sep. 19, 2011
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Bernhard Sich, Friedrichshafen, DE;
Matthias Reisch, Ravensburg, DE;
Manuel Goetz, Ravensburg, DE;
Mark Mohr, Tettnang, DE;
Ralf Dreibholz, Meckenbeuren, DE;
Peter Ziemer, Tettnang, DE;
Gert Bauknecht, Friedrichshafen, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Bernhard Sich, Friedrichshafen, DE;
Matthias Reisch, Ravensburg, DE;
Manuel Goetz, Ravensburg, DE;
Mark Mohr, Tettnang, DE;
Ralf Dreibholz, Meckenbeuren, DE;
Peter Ziemer, Tettnang, DE;
Gert Bauknecht, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A power-shiftable transmission, in particular an automatic transmission for a vehicle, which comprises a plurality of frictional shifting elements and at least one interlocking shifting element (A, B, C, D, E) and a plurality of gearwheels which can be engaged in a power flow by the shifting elements (A, B, C, D, E). In order to engage a gear step, at least two associated shifting elements (A, B, C, D, E) are engaged and at least one interlocking shifting element (B), as a shifting element (B) to be engaged, is associated with a gear step to be engaged with a supporting gear.