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:
Mar. 04, 2014
Filed:
Aug. 19, 2010
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Christian Sibla, Friedrichshafen, DE;
Stefan Beck, Eriskirch, DE;
Josef Haupt, Tettnang, DE;
Gert Bauknecht, Friedrichshafen, DE;
Peter Ziemer, Tettnang, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Christian Sibla, Friedrichshafen, DE;
Stefan Beck, Eriskirch, DE;
Josef Haupt, Tettnang, DE;
Gert Bauknecht, Friedrichshafen, DE;
Peter Ziemer, Tettnang, DE;
ZF Friedrichshafen AG, Friedrichshafen, AG;
Abstract
A transmission comprising four gear sets (P, P, P, P), eight shafts and six shift elements. The drive shaft is connected with sun gear of set (P) and carrier of set (P). Carrier of set (P) is connected to shaft () which is connectable to a housing, via a first brake, and connectable to shaft (), via clutch (). Shaft () interconnects the ring gear of set (P) with the sun gears of sets (P, P). Shaft () interconnects ring gear of set (P) with carrier of set (P). Shaft () couples sun gear of set (P) to the housing, via a brake. Ring gear of set (P) is connected to the housing. The output shaft is connectable, via clutch (), with shaft () which is connected to ring gear of set (P) and, via clutch (), with shaft () which is connected to carrier of set (P).