Powder flow rate measuring apparatus

Details Powder flow rate measuring apparatus Powder flow rate measuring apparatus

1982-06-14

1984-11-06

Goldstein, Herbert

Conveyors: fluid current

With means to control conveying fluid or movement of load in...

Control of conveying fluid

406 30, 7386104, 7386152, B65G 5366, G01F 137, G01F 174

Patent

active

044809476

ABSTRACT:
A novel powder flow rate measuring apparatus having a simple structure is described herein, in which a conveying fluid is injected through a nozzle into an inlet of a single detecting pipe line having an inlet and an outlet, also a powder material within a powder tank is introduced into the same inlet, and a pressure difference between the inlet and outlet of the detecting pipe line at this moment is detected, whereby a flow rate of the powder material flowing through the detecting pipe line can be measured. The thereby obtained measured value is essentially very close to a mass flow rate of the powder material, and moreover the measured value can be obtained continuously.

REFERENCES:
patent: 2272564 (1942-02-01), Kuever
patent: 2439723 (1948-04-01), Engdahl
patent: 2916441 (1959-12-01), Kruse, Jr.
patent: 2984105 (1961-05-01), Nagel et al.
patent: 3127770 (1964-04-01), Allard et al.
patent: 4231262 (1980-11-01), Boll

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