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. 24, 2024
Filed:
Jun. 18, 2019
Knorr-bremse Systeme Fuer Nutzfahrzeuge Gmbh, Munich, DE;
Karsten Schnittger, Munich, DE;
Fabian Griesser, Munich, DE;
KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH, Munich, DE;
Abstract
A parking brake device for a motor vehicle, in particular a utility vehicle, includes at least one compressed air connection, at least one first control solenoid valve unit, at least one trailer control bistable valve, and at least one first compressed air outlet. The compressed air connection is connectable to the first control solenoid valve unit and the trailer control bistable valve. The first control solenoid valve is connectable to the trailer control bistable valve via at least one first control line. The trailer control bistable valve is connectable to the first compressed air outlet via at least one trailer control outlet line. The parking brake device has at least one towing vehicle control bistable valve and at least one second compressed air outlet. The compressed air connection is connectable to the towing vehicle control bistable valve. The towing vehicle control bistable valve is connectable to the second compressed air outlet via at least one towing vehicle control outlet line. At least one towing vehicle outlet branch is arranged in the towing vehicle control outlet line between the towing vehicle control bistable valve and the second compressed air outlet. The first control solenoid valve unit is connectable to the towing vehicle control outlet line via at least one bypass control line and via the towing vehicle control outlet branch.