Devices for measuring the flow speed of a fluid

Details Devices for measuring the flow speed of a fluid Devices for measuring the flow speed of a fluid

1976-12-08

1978-09-19

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

System

73189, G01F 166

Patent

active

041144384

ABSTRACT:
Device for measuring the flow speed of a fluid, comprising sound wave transmitting-receiving probes placed in the fluid flow, wave generating means, transforming means for exploiting the electrical signals, such as amplifiers, counting circuits and integrating circuits, characterized in that a plurality of integrators with variable time constant are periodically put to zero once their outputs have been sampled, said operations being made by analog switches.

REFERENCES:
patent: 3336801 (1967-08-01), Snavely
patent: 3898878 (1975-08-01), Stallworth et al.
patent: 3918304 (1975-11-01), Abruzzo et al.
patent: 3978726 (1976-09-01), Shih

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