Material re-aerating and flow control device

Details Material re-aerating and flow control device Material re-aerating and flow control device

1996-12-23

1998-06-23

Pike, Andrew C.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

406146, B65G 5316

Patent

active

057695717

ABSTRACT:
A material re-aerating and flow control device for use in a material pneumatic processing system includes a housing defining a re-aerating chamber and having an intake end. The housing includes a material intake opening through the intake end of the housing for receiving material into the chamber. The material re-aerating and flow control device also includes a short hollow conduit member for discharging material from the chamber. The hollow conduit member includes a first end located outside the housing, and a second end, having a discharge port formed therethrough, mounted through the housing into the chamber. The material re-aerating and flow control device further includes a pneumatic conduit for introducing pressurized air into the chamber. The pneumatic conduit includes a first end located outside the housing, and a second end, having a pressurized air release aperture formed therein, mounted through the housing into the chamber. The second end and the pressurized air release aperture are positioned within the chamber and relative to the discharge port to form and direct a curtain of pressurized air radially across the discharge port of the hollow conduit member for re-aerating material within the chamber, and for controlling a discharge rate of such material out of the chamber, without a risk of material packing at the discharge port.

REFERENCES:
patent: 3746254 (1973-07-01), Duncan et al.
patent: 4738350 (1988-04-01), Miller et al.
patent: 4799831 (1989-01-01), Ariaz
patent: 5351805 (1994-10-01), Miller et al.
patent: 5518344 (1996-05-01), Miller et al.

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