| 摘要 |
A control system for a vehicle (10) having an air braking system is disclosed. The control system comprises a supply line (13) for receiving a supply of compressed air tor use in the air braking system. One or more brake members (19) are "provided in fluid communication with the supply line (13) and controllable such that upon receipt of a supply of compressed air, the one or more brake members (19) become disengaged so as to facilitate movement of the vehicle (10) and upon removal of the supply of compressed air, the one or more brake members (19) become engaged so as to prevent movement of the vehicle (10). An isolator device (20) is positionable within the supply line (13) so as to be located upstream of the brake members (19). The isolator device (20) is controllable to operate in at least two stales. A first stale wherein the compressed air is permitted to flow along a supply line (16) to the brake members (19) and a second stale wherein the compressed air is prevented from flowing along the supply line (16) to (he brake members (19). When the isolator device (20) is in the second state, any compressed air present in the supply line (16) downstream of the isolator device but upstream of the one or more brake members (19) is exhausted therefrom. |
