Volumetric feeder for metering particulate material

Details Volumetric feeder for metering particulate material Volumetric feeder for metering particulate material

1978-07-31

1979-11-13

Knowles, Allen N.

Dispensing

Agitator followed by discharge assistant and/or...

All rotary

222242, 222564, G01F 1120

Patent

active

041740548

ABSTRACT:
Highly accurate metering of particulate material is achieved by employing a rotatably mounted agitator to initially move the material radially outward to the periphery of a horizontally-disposed, stationary, circular, flat support plate, from which it falls, under the guidance of a cylindrical wall depending from the plate's periphery, to an annular-shaped support area of a horizontally-disposed, stationary, circular, flat metering plate. A rotatably mounted metering rotor, driven concurrently with the agitator, sweeps the particulate material radially inward from the support area to a centrally located discharge orifice in the metering plate. With such an arrangement, the particulate material will be maintained in an uncompacted state and the mixture will remain homogeneous, with the result that the volume of the material flowing through the discharge orifice will be directly proportional to the number of revolutions of the metering rotor. A precise volume may thus be fed to a collection station.

REFERENCES:
patent: 741125 (1868-02-01), Pickens
patent: 3193155 (1965-07-01), Hazen
patent: 3804303 (1974-04-01), Fassauer

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