ELECTRICALLY OPERABLE HOLDING BRAKE SYSTEM FOR A PNEUMATIC BRAKING INSTALLATION AND METHOD FOR OPERATING AN ELECTRICALLY OPERABLE HOLDING BRAKE SYSTEM

摘要

The present invention is a control valve device 12 having a first control valve input connection 14, a second control valve input connection 16 and a control valve output connection 18, the first control valve input connection 14 It relates to an electrically operated holding brake system (10) for a pneumatic brake device comprising a supply valve (74) connected to and a control and vent valve device (102) connected to the second control valve input connection (16). According to the invention, the control valve output connection 18 is directly connected to the first shuttle valve input connection 40 of the shuttle valve 38, and the shuttle valve output connection 44 of the shuttle valve 38 is a relay valve ( 108) is connected to the relay control input 112. The invention also relates to a method of operating the electrically operated holding brake system 10.