AXIAFLOW FAN Russian patent published in 2003 - IPC

FIELD: space engineering. SUBSTANCE: proposed fan has bushing accommodating cylindrical sleeve. Radially projecting flange is made on sleeve. Electric motor is rigidly secured on housing. Ring is installed on outer surface of sleeve end opposite to flange. Ring is installed stationary relative to sleeve. Bushing of straightening grids is placed between flange and ring. Shock absorbers are arranged between bushing and sleeve. Two groups of radial holes are main in housing. At least three holes are made in each group. Pin thrusting by end against ring is fitted in each hole of one group. EFFECT: reduced noise level, increased vibration strength. 3 dwg