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:
May. 20, 2008
Filed:
Feb. 07, 2007
Reinhard Berger, Buehl, DE;
Alexander Schweizer, Walzbachtal-Joehlingen, DE;
Dietmar Lang, Hoeheischweiler, DE;
Klaus Kuepper, Buehl, DE;
Burkhard Pollak, Buehl, DE;
Juergen Benz, Oeberkirch, DE;
Reinhard Berger, Buehl, DE;
Alexander Schweizer, Walzbachtal-Joehlingen, DE;
Dietmar Lang, Hoeheischweiler, DE;
Klaus Kuepper, Buehl, DE;
Burkhard Pollak, Buehl, DE;
Juergen Benz, Oeberkirch, DE;
LuK Lamellan und Kupplungsbau Beteiligungs KG, Buehl, DE;
Abstract
Methods and devices for actuating a parking brake in a gearbox which is actuated in an automated manner, whereby gear changes are carried out using at least one electrically driven actuator, gear positions can be selected by using a selector device, and the parking brake can be activated by using the selector device when the vehicle is stationary or moving slowly. A vehicle provided with an additional gearbox. An ignition key can only be removed, when the gearbox is in a P state and the additional gearbox is not in the N state. A further method and device, whereby the additional gearbox can only be shifted in the N state when the gearbox is not in the P state. Further methods and a device in which automated manual gearboxes, especially parallel gearboxes, are controlled in such a way that the vehicle can be safely parked.