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:
Mar. 24, 2015
Filed:
Feb. 03, 2013
Joerg Schindler, Bietigheim-Bissingen, DE;
Michael Baraga, Stuttgart, DE;
Markus Brandenburg, Esslingen, DE;
Henrik Kalczynski, Stuttgart, DE;
Thomas Kull, Waiblingen, DE;
Joerg Schindler, Bietigheim-Bissingen, DE;
Michael Baraga, Stuttgart, DE;
Markus Brandenburg, Esslingen, DE;
Henrik Kalczynski, Stuttgart, DE;
Thomas Kull, Waiblingen, DE;
Daimler AG, Stuttgart, DE;
Abstract
In a hydraulic control arrangement for an automatic transmission of a motor vehicle having a parking lock activation system wherein operating fluid is supplied via a parking lock slide valve to a first parking lock pressure chamber for moving a parking lock-up piston in one direction into a locking position or moving the parking lock piston in an opposite direction, whereby operating fluid is released from the first parking lock pressure chamber via a discharge slide valve by way of which the first parking brake pressure chamber is connected to a tank for releasing the parking lock-up.