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    • 2. 发明申请
    • TRAILER PARK BRAKE VALVE ARRANGEMENT
    • 拖车公园制动阀安排
    • WO2011015831A1
    • 2011-02-10
    • PCT/GB2010/001494
    • 2010-08-06
    • KNORR-BREMSE SYSTEMS FOR COMMERCIAL VEHICLES LTD.FRY, MatthewROSS, Colin
    • FRY, MatthewROSS, Colin
    • B60T7/10B60T7/12B60T8/17B60T13/26B60T13/68B60T17/08B60T17/22B60T8/1755
    • B60T7/20B60T13/263B60T13/265B60T13/683
    • A park brake valve arrangement for a trailer of a commercial vehicle having a main air supply line (1) which supplies a manually operable shunt valve (12) connected to a first and second two-way valves (13, 14). The first two-way valve is connected to a park valve (15) and an exhaust (3). The second two-way valve also receives an input from a trailer based reservoir, which input is also connected with an output of the shunt valve (12) and the inlet of the first two-way valve (13). The outlet of the second two-way valve is connected to an electrically biased two way valve (16) adapted to control the park valve (15) which park valve (15) is connected to the spring brakes (2) of the trailer and the exhaust (3). When the arrangement is in the Drive position, the main line is pressurized and there is an electrical connection from the tractor to the EBS, the shunt valve (12) is connected to both two-way valves (13, 14). The outlet of the first two way valve (13) is connected to the park valve (15), which supplies pressure to the spring brakes (2). The spring brakes are biased into the on position so that the spring brakes are held in the off position when pressurised.
    • 一种用于商业车辆拖车的驻车制动阀装置,其具有供给连接到第一和第二二通阀(13,14)的可手动操作的分流阀(12)的主供气管线(1)。 第一个二通阀连接到停放阀(15)和排气(3)。 第二二通阀还接收来自基于拖车的储存器的输入,该输入还与分流阀(12)的输出和第一开关阀(13)的入口连接。 第二二通阀的出口连接到适于控制停放阀(15)的电偏压双向阀(16),停放阀(15)连接到拖车的弹簧制动器(2),并且 排气(3)。 当排列处于驱动位置时,主管路被加压,并且从拖拉机到EBS有电气连接,分流阀(12)连接到两个开闭阀(13,14)。 第一双向阀(13)的出口连接到停放阀(15),其向弹簧制动器(2)提供压力。 弹簧制动器被偏压到打开位置,使得当加压时弹簧制动器保持在关闭位置。