CEILING FAN SET Russian patent published in 2003 - IPC

FIELD: ventilation. SUBSTANCE: invention relates to ventilating facilities and it is designed for ventilation of rooms to provide improved sanitary and hygienic conditions of operation for personnel. Proposed ceiling fan set consists of cross-flow fan and drive (geared motor) and scroll housing. Cross-flow fan scroll housing is secured by means of bearing unit on shaft of drive which sets fan impeller into rotation. Thanks to it traction force arising at operation of ceiling fan set makes scroll housing of fan rotate in direction opposite to direction of impeller rotation. EFFECT: reduced expended owing to reduction of number of fans installed in room. 1 dwg