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:
Feb. 21, 2017
Filed:
Sep. 23, 2013
Daf Trucks N.v., Eindhoven, NL;
Albertus Clemens Maria Van Der Knaap, Eindhoven, NL;
Menno Adrianus Beenakkers, Rijen, NL;
Jeroen Vandenhoudt, Deurne, NL;
Christian Groh, Gersheim, DE;
Patrik Fuchs, Kirkel, DE;
Frank Kattler, Püttlingen, DE;
DAF Trucks N.V., Eindhoven, NL;
Abstract
A pneumatic suspension system for a vehicle is provided comprising a mounting arrangement for mounting a portion of the vehicle on a chassis; the mounting arrangement including at least one pneumatic spring to be arranged and coupled between the portion of the vehicle and the vehicle chassis. A vehicle state control system is provided that provides a pressure set value in the pneumatic spring and a pressure controller is arranged to a valve device alternatively for pressurizing or depressurizing the each pneumatic spring. The valve device comprises at least a first valve having a valve outlet coupled to the spring terminal and a valve inlet communicatively coupled to the pressure terminal. A support structure () distinct from the sealing edge () is provided arranged to providing supporting contact to the sealing face to counteract deformations of the sealing face.