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:
Nov. 08, 2011
Filed:
Feb. 21, 2008
Christoph Vetter, Ötigheim, DE;
Eric Müller, Kaiserslautern, DE;
Reinhard Stehr, Bühl, DE;
Hanjo Nissen, Bühl, DE;
Volker Edelmann, Bühl-Baden, DE;
Christoph Vetter, Ötigheim, DE;
Eric Müller, Kaiserslautern, DE;
Reinhard Stehr, Bühl, DE;
Hanjo Nissen, Bühl, DE;
Volker Edelmann, Bühl-Baden, DE;
Abstract
A hydraulic system for actuating a clutch and/or a variable speed drive unit of a belt-driven conical-pulley transmission of a vehicle, such as a commercial vehicle, and having a variable transmission ratio and a torque sensor. The hydraulic system includes at least one hydraulic energy source. A selector and check valve is provided for supplying additional components besides the torque sensor and is connected between the hydraulic energy source, the additional components, and the torque sensor in such a way that the torque sensor includes priority in being supplied with hydraulic medium.