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:
Mar. 06, 2018

Filed:

Dec. 10, 2015
Applicant:

Zf Friedrichshafen Ag, Friedrichshafen, DE;

Inventors:

Ruben Cueppers, Wangen, DE;

Georg Mihatsch, Lindau, DE;

Andreas Schmidt, Bavendorf, DE;

Max Trautwein, Kressbronn, DE;

Assignee:

ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/04 (2006.01);
U.S. Cl.
CPC ...
F16H 61/0403 (2013.01); F16H 2061/047 (2013.01); F16H 2061/0474 (2013.01);
Abstract

A method for operating an automatic transmission includes shifting the automatic transmission to a substitute gear if, after adjusting a first one of at least one positive-locking shift element towards a closed configuration, the first one of the at least one positive-locking shift element occupies an intermediate position. The first one of the at least one positive-locking shift element does not participate in the transmission of power in the substitute gear. A related transmission control device for an automatic transmission is also provided.


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