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:
Apr. 29, 2008
Filed:
Jan. 09, 2006
Axel Heitmann, Ingolstadt, DE;
Stefan Kilian, Friedrichshafen, DE;
Oliver Steffen, Coburg, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A transmission () comprises a gear input shaft (), a gear output shaft (), several shift elements (), at least one planetary gearset () and an electrical machine (). A required gear ratio can be adjusted as a function of the activation of the shift elements (to) and the electrical machine (). The electrical machine () can be linked to a first shaft () of the first planetary gearset () by way of a first shift element () and to a second shaft () of the first planetary gearset () by way of a second shift element (). At least the first shift element () or the second shift element () is disposed in the axial direction of the gear input shaft () adjacent to the electrical machine ().