Dust flow inducing monitor

Electricity: measuring and testing – A material property using electrostatic phenomenon – Frictionally induced

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340627, 73 28, G01N 2760

Patent

active

046314822

ABSTRACT:
Airborne dust concentration in a silo or the like is measured by inducing flow in one or more Venturi nozzles (10) located in the area of airborne dust. A triboelectric sensor probe electrode (20) is located at the nozzle inlet section (12) and flow is induced by a feed of inductive air through an annular channel located in the wall of the nozzle downstream of the electrode.

REFERENCES:
patent: 1755329 (1930-04-01), McCormack
patent: 2702471 (1955-02-01), Vonnegut
patent: 2760184 (1956-08-01), Beattie
patent: 4114557 (1978-09-01), DeBrey
patent: 4192461 (1980-03-01), Arborg

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