Cantilever beam, insertable, vortex meter sensor

Details Cantilever beam, insertable, vortex meter sensor Cantilever beam, insertable, vortex meter sensor

1987-07-20

1988-12-20

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

73DIG4, G01F 132

Patent

active

047918187

ABSTRACT:
A vortex fluid flowmeter having an outer cantilever beam affixed to a sensor body which has bearing surfaces and a flange that serve to locate and fix the sensor in the meter, the outer beam depending from the sensor body, with the upper portion of the outer beam being a hollow circular tube that serves as a flexure, the lower portion of the beam being solid and forming a vane that intrudes into a slot in the bluff body. An inner cantilever beam is provided in spaced relation within the hollow tube portion and secured therein at a point adjacent the bearing surfaces. A strain gage beam is secured to the inner beam and extends upwardly within the tubular portion, with a flexible link secured between the upper end thereof and the inner adjacent wall of the tubular portion.

REFERENCES:
patent: 4248098 (1981-03-01), Sawayama et al.
patent: 4437350 (1984-03-01), Tamura et al.
patent: 4627295 (1986-12-01), Matsubara et al.
patent: 4706503 (1987-11-01), Kamentser

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