Patent ID: 9108222
Filing Date: 2015-08-18
Classification: B07B,F16H,Y10T

Abstract:
1. A device for fractionating bulk material comprising: a housing which has: an inner space for receiving a screen for fractionating the bulk material into multiple fractions, an inlet for feeding the bulk material to the screen, an outlet for discharging a fraction of the bulk material, a roof and a floor, a first gyrating mass arranged outside of the inner space on or in the roof a second gyrating mass arranged outside of the inner space on or in the floor, a mechanical coupling means arranged outside of the inner space, a drive means, wherein the first gyrating mass is mechanically coupled to the second gyrating mass by the mechanical coupling means, and wherein the drive means is mechanically coupled to the mechanical coupling means in such a way that the housing can be set in oscillating and/or circular motion by means of the drive means driving motion of the gyrating masses by way of the mechanical coupling means.