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:
Jun. 05, 2018
Filed:
Sep. 26, 2014
Wabco Gmbh, Hannover, DE;
Armin Sieker, Bielefeld, DE;
WABCO GmbH, Hannover, DE;
Abstract
A relay valve () includes a housing having a pressure medium inlet that can be connected to a pressure medium source, at least one pressure medium outlet that can be connected to a consumer, at least one control input, and at least one ventilation () leading to the atmosphere. The relay valve () has further a relay valve piston (), which is arranged in the housing along a relay valve piston axis () in a slidable manner. The relay valve () has a first sealing element () fixed to the housing, and a second sealing element () fixed to the relay valve piston for sealing the relay valve piston () with respect to the housing. An annular space () having a connection to the atmosphere is defined by the first sealing element (), the second sealing element (), the relay valve piston (), and the housing.