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公开(公告)号：US08438933B2
公开(公告)日：2013-05-14
申请号：US12460246
申请日：2009-07-15
IPC分类号： G01F1/00
摘要： An acoustic displacement flowmeter for determining flow rate of a fluid has a fluid flow line defining a flow path for the fluid. The fluid flow line has an inlet and an outlet. A controllable valve is positioned along the fluid flow line for opening and closing the flow path as desired, and an acoustic displacement transducer having a fluid port is coupled to the fluid flow line upstream from the controllable valve. The outlet of the fluid flow line extends through a wall isolating fluid exhausted from the outlet of the fluid flow line from electrical and/or mechanical components residing inside the flowmeter, thereby preventing the exhausted fluid, if explosive, from contacting such electrical and/or mechanical components which may act as potential ignition sources. Preferably, a manifold having a rigid body is provided in which the fluid flow line is formed. An acoustic displacement transducer (ADT) chamber wall is formed on the manifold body, and has an ADT chamber inlet port formed therein, and the fluid flow line has a branched portion connecting the fluid flow line to the ADT chamber inlet port. The outlet of the fluid flow line extends through a wall formed in the manifold body to isolate fluid exhausted from the outlet of the fluid flow line from electrical and/or mechanical components residing inside the flowmeter.
摘要翻译： 用于确定流体流速的声位移流量计具有限定流体流动路径的流体流动线。 流体流动管线具有入口和出口。 沿着流体流动管线定位可控阀，以根据需要打开和关闭流路，并且具有流体端口的声位移传感器联接到可控阀上游的流体流动管线。 流体流动管线的出口延伸通过流体流动管线出口从位于流量计内部的电气和/或机械部件排出的壁的隔离壁延伸，从而防止排出的流体（如果有爆炸性物质）接触这种电气和/或 可能作为潜在点火源的机械部件。 优选地，提供具有刚性体的歧管，其中形成流体流动线。 声学位移传感器（ADT）室壁形成在歧管主体上，并具有形成在其中的ADT室入口，流体流动线具有将流体流动线连接到ADT室入口的分支部分。 流体流动管线的出口延伸穿过形成在歧管体中的壁，以将从流体流动管线的出口排出的流体与驻留在流量计内部的电气和/或机械部件分离。
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公开(公告)号：US20110011185A1
公开(公告)日：2011-01-20
申请号：US12460246
申请日：2009-07-15
IPC分类号： G01F1/20
摘要： An acoustic displacement flowmeter for determining flow rate of a fluid has a fluid flow line defining a flow path for the fluid. The fluid flow line has an inlet and an outlet. A controllable valve is positioned along the fluid flow line for opening and closing the flow path as desired, and an acoustic displacement transducer having a fluid port is coupled to the fluid flow line upstream from the controllable valve. The outlet of the fluid flow line extends through a wall isolating fluid exhausted from the outlet of the fluid flow line from electrical and/or mechanical components residing inside the flowmeter, thereby preventing the exhausted fluid, if explosive, from contacting such electrical and/or mechanical components which may act as potential ignition sources. Preferably, a manifold having a rigid body is provided in which the fluid flow line is formed. An acoustic displacement transducer (ADT) chamber wall is formed on the manifold body, and has an ADT chamber inlet port formed therein, and the fluid flow line has a branched portion connecting the fluid flow line to the ADT chamber inlet port. The outlet of the fluid flow line extends through a wall formed in the manifold body to isolate fluid exhausted from the outlet of the fluid flow line from electrical and/or mechanical components residing inside the flowmeter.
摘要翻译： 用于确定流体流速的声位移流量计具有限定流体流动路径的流体流动线。 流体流动管线具有入口和出口。 沿着流体流动管线定位可控阀，以根据需要打开和关闭流路，并且具有流体端口的声位移传感器联接到可控阀上游的流体流动管线。 流体流动管线的出口延伸通过流体流动管线出口从位于流量计内部的电气和/或机械部件排出的壁的隔离壁延伸，从而防止排出的流体（如果有爆炸性物质）接触这种电气和/或 可能作为潜在点火源的机械部件。 优选地，提供具有刚性体的歧管，其中形成流体流动线。 声学位移传感器（ADT）室壁形成在歧管主体上，并具有形成在其中的ADT室入口，流体流动线具有将流体流动线连接到ADT室入口的分支部分。 流体流动管线的出口延伸穿过形成在歧管体中的壁，以将从流体流动管线的出口排出的流体与驻留在流量计内部的电气和/或机械部件分离。
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