LOOSE MATERIAL SEPARATOR Russian patent published in 1994 - IPC

FIELD: separation technology. SUBSTANCE: separator has a case with air feed and fine-dispersed fraction bleed branch pipes, initial material feed and granule bleed chutes, a rotor positioned in the case, guide blades located in a spaced relation around the rotor, and a guide blade rotary mechanism made in the form of a rotary disk and shafts connected to the guide blades. The side surface of the rotary disk is made cylindrical and has a bearing-centering member made in the form of a ring projection which lower end surface engages through balls with the base of a casing, and the upper one - with a ring mounted on the casing through rollers. The bearing-centering member is made as a V-shaped annular groove engageable with the balls and the casing and the ring fastened to it. EFFECT: improved reliability. 3 cl, 3 dwg