Powder flow-rate measuring and controlling apparatus

Details Powder flow-rate measuring and controlling apparatus Powder flow-rate measuring and controlling apparatus

1986-09-12

1988-05-10

Peters, Jr., Joseph F.

Conveyors: fluid current

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

Control of conveying fluid

406 30, 406152, B65G 5366

Patent

active

047431431

ABSTRACT:
It is provided a powder flow-rate measuring apparatus wherein a conveying fluid is blown into the inlet of a detecting pipe line with a nozzle, a powder in fluidized state is introduced into said inlet, and the generated pressure difference due to acceleration of powder in the detecting pipe line is detected by means of a differential pressure gauge which communicates with an inlet side pressure detecting port arranged upstream the outlet of said nozzle and an outlet side pressure detecting port arranged at the outlet of detecting pipe line. The apparatus has characteristics stable for long period of time and is operable in a wide measuring range.

REFERENCES:
patent: 4480947 (1984-11-01), Nagasaka

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