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.

Date of Patent:
Sep. 09, 2014

Filed:

Sep. 13, 2013
Applicant:

Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie KG, Untergruppenbach, DE;

Inventor:

Uli Christian Blessing, Heilbronn, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for operating a hybrid drivetrain for a motor vehicle. Power is provided by an internal combustion engine in a first operating mode. Power is provided by an electric machine in a second operating mode. A change from one operating mode into the other operating mode is carried out according to the state of at least one of the drivetrain and the motor vehicle. The change of operating mode is controlled according to at least one switching variable, which is a function of a requested power target value.


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