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:
Oct. 22, 2013
Filed:
Oct. 15, 2009
Rayk Hoffmann, Friedrichshafen, DE;
Rayk Hoffmann, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
An automated multi-group transmission of a motor vehicle comprises at least two gearing groups successively disposed in a power flow of a drive train, a clutch assembly having at least one start-up clutch, by which a connection can be established between a drive shaft of a drive motor and a transmission input shaft associated with a first gearing group, a shifting device, by which a connection can be established between the transmission input shaft and a transmission main shaft associated with a second gearing group, whereby the transmission main shaft is designed as a transmission output shaft or is at least functionally connected to a transmission output shaft, and a structure by which the tractive force gear shifting can be carried out.