Mechanism for metering solid materials which flow in a manner si

Details Mechanism for metering solid materials which flow in a manner si Mechanism for metering solid materials which flow in a manner si

1987-02-20

1989-02-14

Shaver, Kevin P.

Dispensing

Weighing

1985501, 198663, 177116, 177145, 222238, 222272, 222368, 222412, G01F 1120, G01G 1300

Patent

active

048041114

ABSTRACT:
An improved metering mechanism for metering highly aerated or fluidized solid materials in a controlled manner is disclosed. The mechanism consists of a bin discharger attached above a rotary feeder assembly. The bin discharger has two augers which rotate in opposite directions relative to one another. The augers rotate such that material flow is directed toward the center of the discharger, and down into the inlet of the rotary feeder assembly. The rotary feeder assembly contains 6-12 rotary vanes. Two vanes form a pocket into which material falls as each pocket comes into mating relation with the rotary feeder assembly inlet. A tight clearance between the outer radial edge of the rotary vanes and the inner surface of the housing of the rotary feeder assembly prevents the material from flushing through the rotary feeder assembly in an uncontrolled fashion. The material exits the rotary feeder assembly as each filled pocket comes into mating relation with the outlet of the rotary feeder assembly.

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