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    • 3. 发明授权
    • Pneumatic hopper car door actuating system
    • 气动葫芦车门执行系统
    • US3828948A
    • 1974-08-13
    • US21479572
    • 1972-01-03
    • PULLMAN INC
    • PETERSON W
    • B61D7/28B61D7/08B61D7/30
    • B61D7/28
    • In a hopper car arrangement, a hopper car door pneumatic actuating system including the standard air reservoir tank and a railroad car actuated ground-mounted induction coil, and a solenoid valve energized thereby, for opening the hopper doors, and a railroad car actuated ground-mounted induction coil and a solenoid valve for closing the doors whereby a supply valve and a four-way pilot valve is actuated to supply pressurized air from the tank to selectively operate a two-way acting air cylinder attendant to opening and closing of the hopper doors, and a latch for holding the supply valve open until the doors are closed and a flow control check valve in the train-line adjacent the air receiver tank to block off any rapid drop in pressure in the air reservoir tank to prevent application of the air brakes when operating the hopper doors.
    • 在斗车装置中,包括标准储气箱和铁路车辆致动的地面安装的感应线圈的漏斗车门气动执行系统,以及由此激励的用于打开料斗门的电磁阀,以及一个铁路车辆致动的地面 - 安装的感应线圈和用于关闭门的电磁阀,由此供应阀和四通先导阀被致动以从罐提供加压空气以选择性地操作双向作用气缸,以启动料斗门的打开和关闭 以及用于保持供给阀的门闩,直到门关闭,并且在靠近接收器箱的列车线路中的流量控制止回阀,以阻止储气罐中的任何快速下降的压力,以防止空气的施加 操作料斗门时制动。
    • 8. 发明授权
    • Automatic hopper door opener
    • 自动漏斗开门机
    • US4153168A
    • 1979-05-08
    • US837939
    • 1977-09-29
    • Walter C. Reustle
    • Walter C. Reustle
    • B61D7/30B61D7/08
    • B61D7/30
    • The automatic controlling of a hopper door of a moving dump vehicle is actuated in sequence by a wayside mechanical trip and subsequently by a wayside inductive signal. An automatic preliminary check is made of the control system immediately upon actuation by the wayside mechanical trip to detect proper or improper setting of the portion of the control system which responds to the wayside inductive signal, and if an improper setting is detected, the control system is disarmed to avoid prematurely dumping the load from the vehicle.
    • 移动倾卸车辆的料斗门的自动控制通过旁路机械跳闸并随后通过路旁的感应信号被顺序地致动。 通过路边机械行程在启动时立即对控制系统进行自动初步检查,以检测响应路旁感应信号的控制系统部分的适当或不正确的设置,如果检测到不正确的设置,则控制系统 被解除武装,以避免过早地将车辆的载荷倾倒。