Powder feeding apparatus, electrostatic powder coating apparatus

Details Powder feeding apparatus, electrostatic powder coating apparatus Powder feeding apparatus, electrostatic powder coating apparatus

1994-02-18

1996-01-30

Avila, Stephen

Conveyors: fluid current

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

Control of conveying fluid

406 31, 406152, B65G 5116

Patent

active

054876249

ABSTRACT:
A powder feeding apparatus which has a substantially simplified structure compared to conventional powder feeding apparatuses and which can be easily installed, without requiring any substantial adjustment work. The powder feeding apparatus includes a powder flow rate measuring capillary, the inlet of which is connected to a powder introducing device and to a sensor nozzle for a powder flow rate detection gas provided with a flow control device. A pressure difference detecting device whose interior volume is invariant during normal operation is connected between the inlet and the outlet of the capillary. Further, a pressure difference adjusting device and a large-diameter feeding duct are connected together.

REFERENCES:
patent: 4480947 (1984-11-01), Nagasaka
patent: 4743143 (1988-05-01), Nagasaka
patent: 4747731 (1988-05-01), Nagasaka et al.

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