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    • 1. 再颁专利
    • Ball valve with integrated removable flow venturi, flow balancing means, and pipe union means
    • 具有集成可移动流量文丘里管,流量平衡装置和管接头装置的球阀
    • USRE37617E1
    • 2002-04-02
    • US09120590
    • 1998-07-09
    • John C. Sherman
    • John C. Sherman
    • G01F144
    • G01F15/005F16K27/067G01F1/44Y10T137/8309Y10T137/8326
    • A valve assembly for use in heating, ventilating and air conditioning systems. The valve assembly includes a valve body having a chamber in which is rotatably mounted a quarter-turn flow control ball valve. A valve body nut having an outlet port is threadably mounted on the valve body adjacent the outlet end of the valve body chamber. A flow venturi is removably mounted in the inlet end of the valve body. A pipe union tailpiece is detachably mounted on the inlet end of the valve body. A pair of pressure/temperature readout ports are mounted on the valve body for use in determining the rate of fluid flow through the venturi. A vent plug is mounted on the valve body for venting air from the ball valve chamber.
    • 用于加热,通风和空调系统的阀组件。 阀组件包括具有腔室的阀体,其中可旋转地安装有四分之一流量控制球阀。 具有出口的阀体螺母与阀体室的出口端相邻地螺纹安装在阀体上。 流量文丘里管可拆卸地安装在阀体的入口端。 管联尾管可拆卸地安装在阀体的入口端。 一对压力/温度读出端口安装在阀体上用于确定通过文丘里管的流体流速。 通气塞安装在阀体上,用于从球阀室排出空气。
    • 4. 发明授权
    • Ball valve with a strainer and integrated means for flushing the strainer
    • 具有过滤器的球阀和用于冲洗过滤器的集成装置
    • US5467796A
    • 1995-11-21
    • US410489
    • 1995-03-24
    • Giuseppe PettinaroliJohn C. Sherman
    • Giuseppe PettinaroliJohn C. Sherman
    • F16K5/06F16K51/00B08B3/04E03B7/07
    • F16K5/0605F16K27/067Y10T137/4245Y10T137/6035Y10T137/6058Y10T137/8049Y10T137/87877Y10T137/87909
    • A ball valve having a valve body defining a ball valve chamber and having a longitudinal axis defined by inlet and outlet passages. A ball valve element is rotatably disposed in said valve chamber. The ball valve element has a diametrically disposed fluid passage and is operatively connected to a control lever for rotating the ball valve element between a closed position and an open position. A basket strainer is removably mounted in the ball element passage in the ball valve element. The ball valve is provided with an internal pilot fluid flush passage that connects an inlet port to the ball valve chamber, and a pilot fluid flush discharge port and discharge valve that communicate with the ball valve chamber. A flow control plug valve is movably mounted in the internal pilot fluid flush passage for selective allowing or preventing fluid flow therethrough. When the ball valve element is rotated to a closed position, the flow control plug valve may be moved to an open position to allow upstream fluid to flow through the inlet port and internal pilot fluid flush passage and into the ball valve element chamber and through the basket strainer and out the pilot fluid flush discharge port, to reverse flush out debris captured by the basket strainer.
    • 一种球阀,其具有限定球阀室的阀体,并且具有由入口和出口通道限定的纵向轴线。 球阀元件可旋转地设置在所述阀室中。 球阀元件具有直径设置的流体通道,并且可操作地连接到用于在关闭位置和打开位置之间旋转球阀元件的控制杆。 篮式过滤器可拆卸地安装在球阀元件的球形元件通道中。 球阀设有将入口连接到球阀室的内部先导流体冲洗通道,以及与球阀室连通的先导流体冲洗排出口和排出阀。 流量控制旋塞阀可移动地安装在内部先导流体冲洗通道中,用于选择性地允许或防止流体流过其中。 当球阀元件旋转到关闭位置时,流量控制旋塞阀可以移动到打开位置,以允许上游流体流过入口和内部先导流体冲洗通道并进入球阀元件室,并通过 篮式过滤器并排出先导流体冲洗排放口,以反向冲洗由篮式过滤器捕获的碎屑。