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. 12, 2013
Filed:
Apr. 13, 2010
Wolfgang Rieger, Friedrichshafen, DE;
Matthias Reisch, Ravensburg, DE;
Juergen Wafzig, Eriskirch, DE;
Philip Recker, Friedrichshafen, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Wolfgang Rieger, Friedrichshafen, DE;
Matthias Reisch, Ravensburg, DE;
Juergen Wafzig, Eriskirch, DE;
Philip Recker, Friedrichshafen, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A double clutch transmission with two clutches (K, K) having input sides connected to a drive shaft (w_an) and output side connected to one of two coaxially arranged transmission input shafts (w_k, w_k). At least two countershafts (w_v, w_v) are provided on which toothed idler gearwheels () are situated in a rotatable manner. Toothed idler gearwheels () are provided in a rotationally fixed manner on the two transmission input shafts (w_k, w_k). At least a plurality of forward gears which are power shiftable () and at least one reverse gear (R, R, R, R, R, R, R, R) are shiftable. A maximum of five gear planes (----) are provided so that at least one power shiftable winding path gear (G, G, R) is shiftable by at least one shift element (P).