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:
Nov. 22, 2005
Filed:
Aug. 12, 2002
Axel Heitmann, Friedrichshafen, DE;
Ralf Dreibholz, Meckenbeuren, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
Axel Heitmann, Friedrichshafen, DE;
Ralf Dreibholz, Meckenbeuren, DE;
Gerhard Gumpoltsberger, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
An automatic transmission for motor vehicles () comprising a drive shaft () that can be linked with an internal combustion engine and an output shaft () that can be linked with at least one motor vehicle axle. Furthermore, it suggests a manual shiftable transmission () that comprises a first and a second planetary gear set (), several shift elements () as well as an electric engine (), which is provided as a starter/generator and/or for the continuous adjustment of the shiftable transmission () and/or for the at least partially electric driving operation of a motor vehicle. Pursuant to the invention the electric engine () can be connected to a first and/or a second shaft of the first planetary gear set () by means of two additional shift elements ().