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    • 1. 发明授权
    • Adjustable stator for rotor type sprinkler
    • 转子式喷头可调式定子
    • US06695223B2
    • 2004-02-24
    • US09942399
    • 2001-08-29
    • Matthew G. BeutlerMichael L. Clark
    • Matthew G. BeutlerMichael L. Clark
    • B05B1510
    • B05B3/0459B05B3/0431B05B15/70B05B15/74
    • An adjustable stator is mounted in the lower end of a pop-up sprinkler riser and includes a vertically extending frame portion and a pair of valve portions that extend horizontally from an upper end of the frame portion. A coil spring is squeezed between a lower end of a drive subassembly and a mandrel mounted in a lower end of the frame portion. The mandrel and the frame portion have mating projections which allow the vertical position of the mandrel to be adjusted. This adjusts the downward biasing force exerted by the coil spring against the frame portion and the valve members carried thereby. This varies the pressure of a water stream flowing past a turbine in the riser, and the speed of rotation of the turbine which in turn changes the speed of rotation of a nozzle driven by the turbine.
    • 可调节定子安装在弹出式喷淋器提升管的下端,并且包括垂直延伸的框架部分和从框架部分的上端水平延伸的一对阀部分。 螺旋弹簧被挤压在驱动子组件的下端和安装在框架部分的下端中的心轴之间。 心轴和框架部分具有允许调节心轴的垂直位置的配合突起。 这调节由螺旋弹簧施加的向下的偏压力抵靠框架部分和由此承载的阀构件。 这改变了在提升管中流过涡轮机的水流的压力和涡轮机的旋转速度,这又改变了由涡轮机驱动的喷嘴的旋转速度。
    • 2. 发明授权
    • Diaphragm valve with flow control stem air bleed
    • 隔膜阀带有流量控制阀气孔
    • US6079437A
    • 2000-06-27
    • US236791
    • 1999-01-25
    • Matthew G. BeutlerRevis R. Hunter
    • Matthew G. BeutlerRevis R. Hunter
    • F16K31/385F16K31/126
    • F16K31/385
    • A diaphragm valve includes a valve housing, a diaphragm assembly mounted within the valve housing, a pilot valve coupled to the valve housing and a flow control stem mounted in an upper bonnet of the valve housing. The valve housing has an inlet passage and an outlet passage. The diaphragm assembly is vertically reciprocable back and forth within the valve housing to thereby connect and disconnect the inlet passage and the outlet passage. The valve housing has a lower inlet chamber below the diaphragm assembly, an upper pressure control chamber above the diaphragm assembly, and a bore in the bonnet which communicates with the upper pressure control chamber. The pilot valve is operatively associated with the upper pressure control chamber for selectively venting pressurized liquid therefrom. The diaphragm assembly normally seals the inlet passage from the outlet passage and is upwardly moveable to connect the inlet passage with the outlet passage upon release of a sufficient amount of pressurized water from the upper pressure control chamber via the pilot valve. The diaphragm assembly includes a mechanism for metering water from the lower inlet chamber through the diaphragm assembly into the upper pressure control chamber. The flow control stem is vertically reciprocable in the bore of the bonnet for selectively venting air trapped in the upper pressure control chamber.
    • 隔膜阀包括阀壳体,安装在阀壳体内的隔膜组件,连接到阀壳体的先导阀和安装在阀壳体的上阀盖中的流量控制阀杆。 阀壳体具有入口通道和出口通道。 隔膜组件可在阀壳体内前后往复运动,从而连接和断开入口通道和出口通道。 阀壳体在隔膜组件下方具有较低的入口室,隔膜组件上方的上压力控制室以及与上部压力控制室连通的阀盖中的孔。 先导阀可操作地与上压力控制室相关联,用于从其中选择性地排出加压液体。 隔膜组件通常将入口通道从出口通道密封,并且通过先导阀从上压力控制室释放足够数量的加压水时,向上运动以将入口通道与出口通道连接。 隔膜组件包括用于将来自下入口室的水通过隔膜组件计量到上压力控制室中的机构。 流量控制杆在阀盖的孔中可垂直往复运动,用于选择性地排放被困在上压力控制室中的空气。