VALVE UNIT FOR MODULATING THE PRESSURE IN A PNEUMATIC BRAKE SYSTEM

A valve unit for modulating pressure in a pneumatic brake system includes an inlet valve and an outlet valve, which are designed as diaphragm valves, and via which a brake pressure outlet can be connected to a brake pressure inlet or a vent outlet or can be shut off relative thereto. The valve unit...

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Bibliographische Detailangaben
Hauptverfasser:	Bialon, Rafal, Teichmann, Andreas, Wassmann, Alexander
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A valve unit for modulating pressure in a pneumatic brake system includes an inlet valve and an outlet valve, which are designed as diaphragm valves, and via which a brake pressure outlet can be connected to a brake pressure inlet or a vent outlet or can be shut off relative thereto. The valve unit further includes two pilot valves, designed as 3/2-way solenoid valves, via each of which a control chamber adjoining a diaphragm of an associated diaphragm valve can be supplied with a control pressure via a control pressure line. The diaphragm valves are arranged radially adjacent to each other. The inlet valve and/or the outlet valve is/are each designed as a springless diaphragm valve and in that the associated control pressure line opens, in each case centrally and in an axially oriented manner, into the control chamber of the relevant diaphragm valve.