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    • 5. 发明申请
    • Hydrant with improved drain mechanism
    • 消防栓具有改善的排水机构
    • US20020144731A1
    • 2002-10-10
    • US09829719
    • 2001-04-10
    • Howard Heil
    • E03B009/02
    • E03B9/16E03B9/14Y10T137/5503Y10T137/5532Y10T137/8122
    • A fire hydrant of the nulldrynull barrel type having an improved means of draining the barrel after the hydrant has been used. The hydrant is provided with a drain passageway communicating the interior of the hydrant barrel to the exterior. A diffuser is attached to the hydrant at the drain passageway and receives water therefrom. The diffuser eliminates the need for force flushing the drain passageway and the localized draining of the hydrant barrel, thus eliminating soil erosion in the vicinity of the hydrant. Furthermore, the diffuser protects the interior components of the hydrant from entrance of foreign matter.
    • “干式”桶式消防栓具有改进的方法,在使用消火栓后排出桶。 消防栓设置有将消火栓筒的内部连通到外部的排水通道。 扩散器在排水通道处连接到消防栓并从其接收水。 扩散器消除了强制冲洗排水通道和消火栓桶的局部排水的需要,从而消除了消防栓附近的土壤侵蚀。 此外,扩散器保护消防栓的内部部件免受异物进入。
    • 6. 发明授权
    • Fire hydrant with improved shoe and valve
    • 消防栓具有改进的鞋和阀门
    • US4227544A
    • 1980-10-14
    • US5848
    • 1979-01-23
    • Lawrence F. Luckenbill
    • Lawrence F. Luckenbill
    • E03B9/04E03B9/08F16K27/00
    • E03B9/04Y10S138/11Y10T137/5532
    • A fire hydrant having a generally elbow-shaped hydrant shoe with an improved interior bowl configuration and an improved hydrant valve for minimizing head or flow loss of the fire hydrant between the inlet opening of the shoe and the outlet nozzle positioned on the upper portion of the hydrant barrel. The interior bowl of the shoe, adjacent its inlet, is provided with a diverging transitional surface of rotation having a generally part frusto conical shape and, adjacent its outlet, is provided with a converging transitional surface of rotation having a generally part frusto conical shape, the transitional surfaces of rotation merging with the shoe's part spherical chamber. The valve element of the hydrant valve is provided with a generally conically shaped converging surface on its downstream side which when open defines with said converging transitional surface of rotation and with a portion of said diverging surface of rotation an annular passage for the flow of fluid through the hydrant shoe into the hydrant barrel, the annular passage varying in radial section from a diverging radial section to a converging radial section.
    • 一种具有通常肘形消防栓鞋的消防栓,具有改进的内部碗形结构,以及改进的消防龙头阀,用于使位于鞋的上部的靴子入口和出口喷嘴之间的消防栓的头部或流体损失最小化 消防栓桶 鞋的内部碗在其入口附近设置有具有大体上部分截头圆锥形状的发散的过渡表面,并且在其出口附近设置有具有大体上部分截头圆锥形状的会聚过渡表面, 旋转的过渡表面与鞋的部分球形腔合并。 消防栓阀的阀元件在其下游侧设有大致圆锥形的会聚表面,当开口限定有所述会聚的过渡表面,并且所述发散的旋转表面的一部分用于流体流过的环形通道 消防龙鞋进入消火栓桶,环形通道在径向截面上从发散径向部分变化到会聚径向部分。