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    • 1. 发明授权
    • Backflow valve
    • 回流阀
    • US06499503B2
    • 2002-12-31
    • US09745578
    • 2000-12-21
    • Gabe Coscarella
    • Gabe Coscarella
    • F16K3118
    • E03F7/04F16K1/22F16K31/22Y10T137/7358Y10T137/7394Y10T137/7485Y10T137/7903
    • A backflow valve has a closure gate that is pivotally mounted for movement between an open position in which the closure gate is positioned on a plane substantially parallel to a longitudinal axis of a flow passage and a closed position in which the closure gate is positioned transverse to the longitudinal axis. The closure gate has a midsection positioned pivot axis and is unbalanced with greater weight being toward the first end. A rotational stop limits pivotal movement when the closure gate is in the open position. A float is secured to the first end of the closure gate. The greater weight at the first end biases the closure gate by force of gravity against the rotational stop and into the open position. The float causes the closure gate to pivotally move to the closed position in response to liquid rising in the flow passage.
    • 回流阀具有闭合门,其枢转地安装用于在打开位置之间运动,在该打开位置中,闭合门位于基本上平行于流动通道的纵向轴线的平面上,并且闭合位置横向于闭合门 纵轴。 封闭门具有中央位置的枢转轴线,并且不平衡,更大的重量朝向第一端。 当关闭门处于打开位置时,旋转停止限制枢转运动。 浮子固定在封闭门的第一端。 第一端的较大的重量通过重力抵抗旋转止挡并且进入打开位置来偏压关闭门。 浮子使得关闭门响应于流动通道中的液体上升而枢转地移动到关闭位置。
    • 3. 发明授权
    • Overflow proof fluid level controller
    • 溢流液位控制器
    • US06263906B1
    • 2001-07-24
    • US09417968
    • 1999-10-13
    • Charles E. Wilson
    • Charles E. Wilson
    • F16K3118
    • G05D9/02G01F23/0046Y10T137/742Y10T137/85954
    • A mechanical fluid controller incorporates a float assembly which is disposed within an auxiliary reservoir. An outlet of the auxiliary reservoir is coupled to a U-shaped conduit, which is in turn coupled to an inlet of a primary reservoir. At least one one-way check valve is disposed in the U-shaped conduit. The auxiliary reservoir also has an inlet that is coupled to a pressurized fluid source. The fluid level in the auxiliary reservoir is initially set approximately equal to the desired upper level of the fluid in the primary reservoir. As the fluid level in the primary reservoir drops, the auxiliary reservoir “sees” this as a drop in the hydrostatic pressure at the outlet side of the U-shaped tube, and fluid automatically flows through the tube into the primary reservoir. The float assembly senses the drop in the fluid level in the auxiliary reservoir and automatically admits water from the pressurized fluid source to bring the fluid level in the auxiliary reservoir back up to the desired upper level. A drain overflow port of the auxiliary reservoir is disposed below an upper edge of the primary reservoir. In this manner, the controller functions to continuously add fluid to the auxiliary reservoir, as needed, to maintain both reservoirs at an approximate common, desired upper level.
    • 机械流体控制器包括布置在辅助容器内的浮子组件。 辅助储存器的出口连接到U形导管,U形导管又连接到主容器的入口。 至少一个单向止回阀设置在U形导管中。 辅助储存器还具有连接到加压流体源的入口。 初始设定辅助储存器中的液位大致等于初级储存器中所需流体的所需上限。 当主储层中的液位下降时,辅助储存器“看到”这是U型管出口侧的流体静压力的下降,流体自动流过管进入主储存器。 浮子组件检测辅助储存器中的液位的下降并且自动地从加压流体源允许水以使辅助储存器中的液位回到所需的上限。 辅助容器的排水溢流口设置在主容器的上边缘的下方。 以这种方式,控制器用于根据需要将流体连续地添加到辅助储存器,以将两个储存器维持在近似共同的期望的上限。
    • 4. 发明授权
    • Valve for a fluid treatment system
    • 用于流体处理系统的阀
    • US06551504B2
    • 2003-04-22
    • US09904027
    • 2001-07-12
    • Kenneth Orr Reed
    • Kenneth Orr Reed
    • F16K3118
    • F16K31/28Y10T137/7404Y10T137/7413Y10T137/7426Y10T137/7436Y10T137/7754
    • A valve in a fluid treatment system adapted for controlling the flow of fluid between a source and a treatment media disposed in a treatment chamber. The valve includes a housing having a fluid passageway between an inlet and an outlet; a containment chamber; and a sealing member reciprocal between a first position in which the sealing member is retained in the containment chamber out of the flow of fluid in the passageway and a second position that seals the outlet. The containment chamber also includes a drain opening, which can be a venturi, for emptying the containment chamber of fluid.
    • 流体处理系统中的阀,适于控制源和设置在处理室中的处理介质之间的流体流。 该阀包括在入口和出口之间具有流体通道的壳体; 遏制室; 以及密封构件,其在第一位置之间往复运动,在所述第一位置中,所述密封构件从所述通道中的流体流中被保持在所述容纳室中,以及密封所述出口的第二位置。 容纳室还包括可以是文氏管的排放开口,用于排空流体的容纳室。
    • 8. 发明授权
    • Automatic flush valve
    • 自动冲洗阀
    • US06209570B1
    • 2001-04-03
    • US09295372
    • 1999-04-21
    • Frederick B. DeBello
    • Frederick B. DeBello
    • F16K3118
    • F24F5/0035Y10S261/41Y10T137/2557Y10T137/4245Y10T137/4252Y10T137/6416Y10T137/6969Y10T137/7303Y10T137/7436
    • An automatic flush water distribution system for use in an evaporative cooling system includes a water distribution pipe adapted to be connected to a source of pressurized water. The pipe has a plurality of water distribution ports formed therein and a vertical flush pipe is connected at a first end to the water distribution pipe in liquid communication therewith. The flush pipe includes a second lower end and contains at least one valve seat and at least one buoyant float valve located therein between the valve seat and the water distribution pipe. The float valve and valve seat have mating surfaces so that when pressurized water is applied to the water distribution pipe, the float valve is held by water pressure against the valve seat, and when the water pressure is relieved, the float valve floats in the flush pipe, opening the valve and allowing the water to be discharged through the second end of the flush pipe, thereby creating a partial vacuum in the water distribution pipe to draw atmospheric air through the port to dislodge debris therein.
    • 用于蒸发冷却系统的自动冲洗水分配系统包括适于连接到加压水源的配水管。 管道具有形成在其中的多个配水口,并且垂直的冲洗管在第一端连接到与其液体连通的配水管。 冲洗管包括第二下端,并且在阀座和配水管之间包含至少一个阀座和位于其中的至少一个浮力浮阀。 浮阀和阀座具有配合表面,使得当给配水管施加加压水时,浮阀通过水压保持在阀座上,并且当水压被释放时,浮阀浮动在冲洗 管道,打开阀门并允许水通过冲洗管的第二端排出,从而在配水管中产生部分真空,以通过该端口抽取大气,以排除其中的碎屑。