AIR CLEANER Russian patent published in 2001 - IPC

FIELD: air cleaning equipment, particularly apparatuses for removing dust-like particles from transporting air of pneumatic transportation systems. SUBSTANCE: apparatus includes housing with hopper, branch pipes for introducing contaminated air and for discharging purified air; filtering member and mechanism for recovering it arranged on filtering member and being in the form of auger mounted on drive shaft. Filtering member is in the form of strings tensioned in parallel. Auger has profile of its projection on plane normal relative to shaft in the form of equilateral 7 curvilinear triangle with convex sides. Shaft with auger is joined with its rotation drive by means of single-stage planetary reduction gear. Said reduction gear includes eccentric carrier, satellite mounted in carrier with possibility of rotation; kinematically connected with satellite gear wheel with internal gearing stationary mounted in body of reduction gear. Auger has hollow shaft arranged in eccentric carrier of reduction gear. EFFECT: improved efficiency of cleaning air. 3 dwg