An accelerated release valve is proposed for brake control valves, especially direct release triple valves, the accelerated release being triggered by rapid collapse or discharge of quick service volume pressure at commencement of a brake releasing mode.
CROSS REFERENCES TO RELATED APPLICATIONS
This application is a continuation-in-part of Ser. No. 638,463, filed on Dec. 8, 1975, now U.S. Pat. No. 4,050,745.
A railway locomotive brake control system that substitutes a part of a standard freight car brake control valve and interconnected pilot valves and other readily available components to provide the operating functions of the usual specially designed freight locomotive brake valve at a reduced cost. Systems without and with types I or II dynamic brake interlocks are illustrated.
