Mass flow rate detector of electrostatic type

Details Mass flow rate detector of electrostatic type Mass flow rate detector of electrostatic type

1978-02-17

1979-01-30

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

G01F 156

Patent

active

041365640

ABSTRACT:
A flow rate detector of the type comprising a corona discharge circuit to cause partial ionization of a fluid at a section of a fluid passage and a probe positioned downstream for detecting the amount of ions carried by the fluid as an indication of the fluid flow velocity. To achieve direct detection of mass flow rate even when the fluid exhibits fluctuation in its density, the detector includes a control circuit which serves the function of maintaining the intensity of a discharge current flowing through the corona discharge circuit constant.

REFERENCES:
patent: 3831445 (1974-08-01), Durbin
patent: 3996795 (1976-12-01), Servassier
patent: 4074572 (1978-02-01), Bullis et al.

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