Pneumatic control valve
AssigneeWABCO India Limited
InventorsGanesamoorthy Arumugham, Vinoth Kumar Rangaraj, Narayanan Sreenivasan, Selvamani Sundaramahalingam
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Abstract
Pneumatic control valve of a compressed-air brake system of a vehicle, having at least one first valve system which is arranged in an upper housing and has a first valve piston which interacts with a first valve and can be actuated manually or by means of an actuator via a spring element by means of a plunger piston, having a second valve system which is arranged in a lower housing with a coaxially arranged second valve piston which can be actuated pneumatically and/or mechanically by the first valve system and with a second annular plate valve. The first valve piston is guided via the plunger piston in the cylindrical guide in the housing upper part.
Claims7
A dual-circuit brake transducer in a compressed-air brake system of a vehicle for correcting a brake pressure which corresponds to a desired braking action, having at least one first valve system which is arranged in a housing upper part and has a first valve piston which interacts with a first annular plate valve and can be actuated manually or by means of an actuator via a spring element by means of a plunger piston, having a second valve system which is arranged in a housing lower part with a coaxially arranged second valve piston which can be actuated pneumatically and/or mechanically by the first valve system and with a second annular plate valve which interacts therewith, the plunger piston having, radially on the inside, an axial cylindrical projection, by means of which the plunger piston is guided in cylindrical guides in the region of the housing upper part and in the region of the housing Lower part wherein the first valve piston is guided via the plunger piston in the cylindrical guide in the housing upper part.
Dependencies are inferred from the claim text.