Peak point detector for ionized mass flow rate measurement

Details Peak point detector for ionized mass flow rate measurement Peak point detector for ionized mass flow rate measurement

1978-01-13

1979-11-13

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

System

73194E, G01F 156

Patent

active

041738888

ABSTRACT:
In mass flow rate measuring apparatus wherein the fluid is ionized at intervals at a predetermined point of the fluid passage, a voltage is sensed when the ionized flow mass is collected by an electrode located downstream from the ionization point. Electromagnetic radiation, generated in response to the generation of a strong electric field that ionizes the fluid, is prevented by means of a gate circuit from being sensed as a signal for triggering a time measuring device. The signal from the gate circuit is coupled to a voltage sensing circuit that detects a point near or at the peak value of successive voltage waveforms to signal the time measuring device as a point of ion collection.

REFERENCES:
patent: 3019647 (1962-02-01), Beard et al.
patent: 3302446 (1967-02-01), Schmitt et al.
patent: 3600955 (1971-08-01), Bischoff
patent: 3718043 (1973-02-01), Fishman et al.
patent: 3848460 (1974-11-01), Bantz et al.

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