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. 28, 2023
Filed:
Mar. 29, 2021
Zf Cv Systems Global Gmbh, Bern, CH;
Mirko Brütt, Springe, DE;
Michael Haverkamp, Hannover, DE;
ZF CV Systems Global GmbH, Bern, CH;
Abstract
A trailer control module () of a pressure-medium operated braking system of a tow vehicle has a valve assembly for controlling a pneumatic braking system of a trailer vehicle The valve assembly includes the following: an electronically controlled trailer control valve () which contains a pneumatically controlled relay valve () with an inverted control input (); a pressure-medium controlled backup valve () which contains a pressure-medium controlled relay valve (); and at least one electronically controlled parking brake valve (), via which the relay valve () of the trailer control valve () can be actuated pneumatically at its inverted control input (). In addition, a coupling device () is present, by which the parking brakes of the tow vehicle can also be operated via the parking brake valve ().