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:
Jul. 02, 2013
Filed:
Apr. 13, 2010
Wolfgang Rieger, Friedrichshafen, DE;
Matthias Reisch, Ravensburg, DE;
Juergen Wafzig, Eriskirch, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Wolfgang Rieger, Friedrichshafen, DE;
Matthias Reisch, Ravensburg, DE;
Juergen Wafzig, Eriskirch, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A double clutch transmission with first and second clutches (K, K) with input sides connected with an input shaft (w_an) and output sides respectively connected with one of two coaxially arranged transmission output shafts (w_k, w_k). At least first and second countershafts (w_v, w_v) are provided on which are mounted idler gearwheels (), while on the two first and the second transmission input shafts (w_k, w_k) are mounted fixed gearwheels () whereby at least several power shiftable forward gears () and at least one reverse gear (R, R, R, R) is shiftable. A maximum of six gear planes (-----) are provided so that at least one winding path gear is shifted upon disengagement of a coupling device (S_ab) allocated to an output gear ().