Pneumatically-controlled brake pressure regulation valve for automobile braking system has setting piston acted on by regulating spring with independent adjustment of spring characteristic and spring bias

摘要

The brake pressure regulation valve is supplied with a pneumatic pressure dependent on the loading, for displacement of a sliding setting piston, having an inclined surface (50) for adjusting a control rod (11) in the regulating part of the valve. The setting piston is acted on by a regulating spring (30) with a working spring length adjusted via a threaded nut (16) cooperating with a threaded spindle (34), enclosed by a rotary sleeve (20), with the rotation of the latter relative to the valve housing (2) and relative to the threaded spindle selectively blocked.