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    • 2. 发明申请
    • SCHOOL BUS DOOR/SERVICE BRAKE INTERLOCK RETROFIT SYSTEM
    • 学校公共汽车门/维修制动联锁改造系统
    • WO0208040A3
    • 2002-05-23
    • PCT/US0122796
    • 2001-07-19
    • BENDIX COMMERCIAL VEHICULE SYS
    • EBERLING CHARLES E
    • B60T7/12B60T8/34B60T13/68B60T17/18B60T17/22
    • B60T7/12B60T8/343B60T13/683B60T17/18
    • A bus door/service brake interlock system having a warning system is provided to inform a driver that the service brake pressure is insufficient or not being applied at all, as well as indicating if a system malfunction occurs, precluding a service brake application. The system is based on a sequential operation of the driver activating the caution lights and opening the door. Once these events have occurred, the autobrake system (70) including an alarm (90) is activated. On the other hand, applying the park brake (56) deactivates the autobrake system. The autobrake assembly energizes a solenoid (76) that receives regulated pressure from a pressure reducing valve (72). This pressure is supplied to one side of a double check valve (78), while the other side receives a delivery from the foot valve (24) to assure delivery for normal service braking.
    • 提供具有警告系统的总线门/维修制动器互锁系统,以通知驾驶员所有行车制动压力不足或不被施加,以及指示是否发生系统故障,排除行车制动应用。 该系统基于驾驶员启动警告灯并打开门的顺序操作。 一旦这些事件发生,包括报警器(90)的自动制动系统(70)被激活。 另一方面,应用驻车制动器(56)使自动制动系统无效。 自动制动组件为从减压阀(72)接受调节压力的螺线管(76)通电。 该压力被供应到双止回阀(78)的一侧,而另一侧从脚阀(24)接收输送,以确保正常行驶制动的输送。