BRAKE CONTROL VALVE FOR MERCHANDIZED RAIL VEHICLE, SUITABLE FOR REALIZING THE ACCELERATED BRAKE APPLICATION

摘要

THE CONTROL VALVE DEVICE IS INTENDED TO BE USED ON EACH VEHICLE OF A RAILWAY TRAIN INCLUDING A GENERAL BRAKING LINE CONNECTED TO THE GENERAL BRAKING LINE OF THE NEIGHBORING VEHICLE AND OPERATING IN RESPONSE TO SELECTED SERVICE AND EMERGENCY RATES PRESSURE REDUCTION. /P P THE VALVE DEVICE INCLUDES AN EMERGENCY PISTON 2 WHICH DRIVES A DRAWER VALVE 3 MOUNTED WITH CLEARANCE IN A HOUSING 13 AND A DRAWER VALVE CALLED PROGRESSIVITY 3A ASSEMBLED ADJUSTED IN THIS PISTON AND THE DISPLACEMENT OF THESE DRAWER VALVES ALLOWS FOUR DIFFERENT FLUID CIRCUITS TO BE ESTABLISHED. /P P APPLICATION TO A BRAKE PRESSURE CONTROL VALVE INCLUDING AN EMERGENCY BRAKE PISTON.