Flow rate sensor

Details Flow rate sensor Flow rate sensor

1976-09-07

1978-01-24

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Tank type

G01F 128

Patent

active

040697096

ABSTRACT:
A flow rate sensor particularly for use with pelleted, granular, or powdered materials having a support and a pivotal member which is pivotally mounted to the support for pivotal movement about a generally vertical axis. An arm extends from the pivotal member and a deflection plate is mounted at the extended end of the arm for impingement of a vertical flow of material thereagainst such that the deflection plate resolves the vertical flow of material into a horizontal force component producing horizontal deflection of the deflection plate and angular deflection of the pivotal member about the pivotal axis. The pivotal mounting for the pivotal member includes a thin shim secured to the pivotal member and support providing flexing of the shim over a section thereof located between the pivotal member and the support. Also included is a transducer for translating the degree of deflection of the pivotal member into signals indicating the flow rate of the material, and a damper for dampening oscillation of the pivotal member.

REFERENCES:
patent: 2632329 (1953-03-01), Zoehlke
patent: 2775890 (1957-01-01), Waldron
patent: 3640135 (1972-02-01), Tomiyasu et al.

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