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:
Sep. 23, 2025
Filed:
Feb. 06, 2020
Zf Cv Systems Hannover Gmbh, Hannover, DE;
Julian Van Thiel, Grossburgwedel, DE;
Uwe Bensch, Hannover, DE;
ZF CV SYSTEMS EUROPE BV, Brussels, BE;
Abstract
A parking brake assembly for an electronically controllable pneumatic braking system for a vehicle includes a parking brake unit having a supply connection to receive a supply pressure, a brake request connection to receive a parking brake request, and a parking brake pressure connection to provide a parking brake pressure. The parking brake assembly further includes a first ABS valve unit for a first channel and a second ABS valve unit for a second channel. The first ABS valve unit is configured to provide a pressure for a first spring-loaded brake cylinder at the first channel and to admit air to the first channel, in stages. The second ABS valve unit is configured to provide a second brake pressure for at least one second spring-loaded brake cylinder at the second channel and to admit air to the second channel, in stages.