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:
Sep. 13, 2011
Filed:
Oct. 04, 2007
Norbert Ebner, Ludwigsburg, DE;
Pascal Heusler, Tokyo, JP;
Anton Rink, Calw, DE;
Daimler AG, Stuttgart, DE;
Abstract
In a drive train of a motor vehicle comprising an internal combustion engine, at least one electrical machine which can be operated at least as a motor or as a generator, and a stepped automated manual transmission and at least one control device for controlling the internal combustion engine, the at least one electrical machine (P, P) and the stepped automated manual transmission and a method of operating the drive train, a braking torque on the driven wheels is kept approximately constant before, during and after a gear-shifting operation to a gear with a higher transmission ratio so as to avoid any jerks during such down shifting procedure.