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. 18, 2006
Filed:
May. 18, 2002
Markus Henneken, Kressbronn, DE;
Friedemann Jauch, Tettnang, DE;
Franz-josef Schuler, Kressbronn, DE;
Thomas Mauz, Langenargen, DE;
Michael Kiefer, Tettnang, DE;
Markus Henneken, Kressbronn, DE;
Friedemann Jauch, Tettnang, DE;
Franz-Josef Schuler, Kressbronn, DE;
Thomas Mauz, Langenargen, DE;
Michael Kiefer, Tettnang, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A method is described for operating an automatic transmission in which a command for changing a current ratio of the automatic transmission is generated when achieving preset operating states of the vehicle automatically or by manual input in a manual shifting mode, the activated manual shifting mode being preferred to an automatic shifting mode. The manual shifting mode is quit when a current vehicle speed is less than a threshold value, or when a longitudinal acceleration of the vehicle is within a defined range, a lateral acceleration is less than a threshold value and a driver type evaluation counter is less than a limiting value.