HOPPER DEVICE Russian patent published in 2009 - IPC B65G65/34 B65D90/54 

FIELD: machine building.

SUBSTANCE: hopper device consists of case (1) and of bottom (2) made in form of bearing ring divided between them with slit opening. Cone-splitter is installed in the centre of the bottom. Movable circular gate (5) equipped with a drive is lowered below bottom edge (2) overlapping the slit opening. Inclined slots are uniformly made along perimetre of movable circular gate (5) on its surface; a roller secured on the case is installed in each of the slots; cuts are uniformly arranged around the bottom; each cut is equipped with a movable gate. The cuts can be of rectangular, triangle or other shape. The drive can be made, for example in form of two pneumatic cylinders installed diametrically opposite relative to a movable circular gate; rods of cylinders are connected with the gate. By means of supports bottom (2) is secured to unloading funnel situated under the bottom.

EFFECT: optimal ratio of degree of granules cooling and amount of their flow from hopper owing to even regulation of slit openings dimensions.

3 cl, 2 dwg