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:
Jul. 23, 2013
Filed:
May. 04, 2011
Alexander Maier, Friedrichshafen, DE;
Maik Wurthner, Markdorf, DE;
Joachim Staudinger, Memmingen, DE;
Johannes Kemler, Ravensburg, DE;
Alexander Maier, Friedrichshafen, DE;
Maik Wurthner, Markdorf, DE;
Joachim Staudinger, Memmingen, DE;
Johannes Kemler, Ravensburg, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
A method of controlling the driving mode of a motor vehicle, having a largely automated drive-train including a drive motor, a transmission and a separator clutch arranged between the motor and transmission, such that while driving, if certain operating conditions exist and a speed profile calculated with reference to topographical data and vehicle parameters for a road section lying ahead is suitable, the drive-train is disengaged and driving continues in a coasting mode until the occurrence of a termination signal. To enable coasting operation, the calculated speed profile for the case of immediate opening of the drive-train is determined continually at equidistant successive travel points along the driving stretch and is, in each case, evaluated in relation to lower and upper speed limits. Coasting is only enabled if, for a specified minimum number of successive travel points, the evaluation result is in each case positive.