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:
Mar. 15, 2011
Filed:
May. 27, 2004
Jürgen Huber, München, DE;
Andreas Gaag, Beilngries, DE;
Jürgen Huber, München, DE;
Andreas Gaag, Beilngries, DE;
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH, Munich, DE;
Abstract
A brake device of a rail vehicle includes at least one spring-loaded cylinder having a pressure port and at least one service brake cylinder having a pressure port configured to receive a service brake pressure. Further included is a control valve arrangement having at least three ports, wherein a first port is connected to the pressure port of the spring-loaded cylinder and the control valve arrangement is configured to connect the first port to one of the following: (1) a second port configured to receive a pressure derived from a first pressure reservoir; and (2) a third port.