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:
Feb. 03, 2015
Filed:
Nov. 21, 2011
Stefan Beck, Eriskirch, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Christian Sibla, Friedrichshafen, DE;
Michael Wechs, Lindau, DE;
Stefan Beck, Eriskirch, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Christian Sibla, Friedrichshafen, DE;
Michael Wechs, Lindau, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
The transmission has four planetary gear sets and shafts and shift elements. Sun gear of the planetary gearset (P) couples shaft () which couples ring gear of gearset (P) and is connectable, via clutch (), to shaft (), which couples carrier of gearset (P) and is connectable, via clutch (), to shaft (), which couples sun gears of gearsets (P, P). Carrier of gearset (P) couples drive shaft (), which is connectable, via clutch (), to shaft (), which couples ring gear of gearset (P). Sun gear of gearset (P) couples shaft (), which couples carrier of gearset (P) and is connectable to the housing via brake (). Ring gear of gearset (P) couples shaft () which is connectable to the housing via brake (). Output shaft () couples carrier of gearset (P) and is connectable, via clutch (), to shaft () which couples ring gear of gearset (P).