SLUICE-SCREW FEEDER Russian patent published in 2020 - IPC B65G53/48 B65G53/46 B65G65/48 B65G65/46 

FIELD: machine building.

SUBSTANCE: sluice-screw feeder is intended for use in the field of pneumatic transport as a feeding device for supply of loose materials to the injection material, in chemical, food in other industries, in construction, in agricultural production. Body of the sluice gate of the sluice-screw feeder is equipped with a receiving opening connected to the inlet branch pipe. Rotary drum is divided by blades into cells. Screw housing rigidly connected with the gate valve housing is equipped with a receiving opening placed in the housing by a screw and a mixing chamber. Drum divided by blades into cells is made in the form of a ring revolving around the body, the axis of which is aligned with the axis of the screw. Cells of annular space of drum are made through. Screw casing intake opening is arranged so that loose material is completely drained from cells in any position of the drum, and cells could not simultaneously communicate with receiving openings located in the body of the sluice gate and the screw body.

EFFECT: invention provides reduction of overall dimensions of feeder, reduction of its weight and cost.

1 cl, 2 dwg