MUMBAI, India, Aug. 8 -- Intellectual Property India has published a patent application (202514004482 A) filed by Knorr-Bremse Systeme Fur Nutzfahrzeuge Gmbh, Munchen, Germany, on Jan. 20, for 'relay valve for a compressed air system of a vehicle.'
Inventor(s) include Markus Deeg; Michael Giannuzzi; and Friedbert Rother.
The application for the patent was published on Aug. 8, under issue no. 32/2025.
According to the abstract released by the Intellectual Property India: "The invention discloses a relay valve (1) for a compressed air system of a vehicle, the relay valve comprising: a housing (9) including a pressure medium inlet arranged at or in the housing (9) and connectible with a compressed air source, at least one pressure medium outlet connectible with a consumer, at least one control inlet, at least one vent towards an ambient atmosphere, and at least one relay valve piston (2) movably supported in the housing (9) along an axis (10), wherein the relay valve piston (2) includes a radially outer rim (11) and a center pass through opening (12), wherein a support tube (13) of the housing (9) protrudes into the center pass through opening (12), wherein the relay valve piston (2) is moveably supported by the radially outer rim (11) at a radially inner wall (17) of the housing (9) and moveably supported by a radially inner circumferential surface of the center pass through opening (12) at a radially outer circumferential surface (18) of the support tube (13), wherein a seal arrangement (19) is provided which seals the relay valve piston (2) on one side relative to the radially inner wall (17) of the housing (9) and on another side relative to the radially outer circumferential surface (18) of the support tube (13), in particular dynamically, characterized in that the seal arrangement (19) includes at least one seal element (21) including a first sealing surface (22) and a second sealing surface (23) oriented away from the first sealing surface (22), wherein the at least one seal element (21) is configured to seal the relay valve piston (2) with the first sealing surface (22) relative to the radially inner wall (17) of the housing (9) and with the second sealing surface (23) relative to the radially outer circumferential surface (18) of the support tube (13)."
Disclaimer: Curated by HT Syndication.
