Title: Vortex flowmeter apparatus

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Abstract: A vortex flowmeter in which the vortex-shedder and the vortex sensor comprise two distinct, easily separable assemblies that may be readily removed and/or assembled from the interior of a flow conduit. The sensor is housed in a body fixedly suspended within the conduit by an integrally connected support structure extending outwardly through an opening in the conduit wall. The shedder comprises a blunt front face extending across the interior of the conduit for producing vortices and a bar-member joined to the front face and extending downstream therefrom defining an area for detecting the vortices. The bar-member is formed with a lateral recess that matches the pattern of the sensor and support structure such that when the shedder is positioned to engage the sensor, the overall bar-member configuration is preserved to assure good measurement results. Outside of the conduit, the support structure is securely fastened to the conduit so as to firmly hold the sensor within the shaped recess. There is also disclosed means for properly locating the position of the front face with respect to the direction of flow during assembly of the flowmeter.


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