Fluid pressure brake control systems for freight locomotives

A fluid pressure brake control system of the direct release type for a freight locomotive comprising a first pipe bracket having a manually controllable automatic brake valve device connected thereto on one side for governing fluid brake control pressure in a train pipe, and a manual controllable independent brake valve device connected thereto on another side for governing brakes of the locomotive independent of brakes of freight cars in a train, and a brake control valve device comprising a second pipe bracket governed in part by fluid in the brake pipe for controlling brakes of a locomotive, wherein an improved brake control device and second pipe bracket comprises:

• (a) a service freight brake valve portion secured to one side of the second pipe bracket for controlling brakes of a locomotive,
• (b) the service freight brake valve portion being the same as, and interchangeable with, service valve portion conventionally used on US freight cars to control brakes of such cars, and
• (c) a quick release and emergency valve portion secured to another side of the second pipe bracket for governing emergency brake pressure and for governing independent direct release of brakes of a locomotive in response to actuation of the manually controllable independent brake valve device.