Pneumatic flow measuring system

Details Pneumatic flow measuring system Pneumatic flow measuring system

1978-03-06

1979-07-17

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

235200PF, G01F 142, G06G 500

Patent

active

041611195

ABSTRACT:
The present invention relates to a pneumatic flow measuring system for measuring fluid flow. More particularly, the disclosed preferred embodiment of the present invention is referred to as a square root extractor as the device basically functions to compute the square root of a pneumatic input signal by producing an output signal that is linear with flow or fluid velocity of a system being measured. Thus, although flow between two points may be basically defined as a square root function of a differential pressure between the same two points, the flow measuring device of the present invention utilizes a differential pressure input signal to produce an output signal that is linear with flow.

REFERENCES:
patent: 2494781 (1950-01-01), Stover
patent: 2978907 (1961-04-01), Stover
patent: 3239141 (1966-03-01), Best

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