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.

Date of Patent:
Dec. 10, 2024

Filed:

Jul. 09, 2020
Applicant:

Knorr-bremse Systeme Fuer Nutzfahrzeuge Gmbh, Munich, DE;

Inventor:

Karsten Schnittger, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 13/68 (2006.01); B60T 13/38 (2006.01); B60T 15/04 (2006.01);
U.S. Cl.
CPC ...
B60T 13/683 (2013.01); B60T 13/385 (2013.01); B60T 15/041 (2013.01); B60T 2270/402 (2013.01); B60T 2270/413 (2013.01);
Abstract

A parking brake device with at least one first connector line to a compressed air source and with at least one second connector line to a compressed air source, includes at least one electronically actuable bistable valve arrangement for the actuation of a spring brake cylinder and at least one further electronically actuable redundancy control valve arrangement for the actuation of a redundant brake system. At least one first control electronics module and at least one second control electronics module are provided which can be operated independently of one another. The bistable valve arrangement can be actuated via the first control electronics module, and, independently thereof, the redundancy control valve arrangement can be actuated via the second control electronics module.


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