AXIAL FAN Russian patent published in 2007 - IPC F04D19/00 

FIELD: space engineering.

SUBSTANCE: axial fan comprises housing that receives the deflector provided with the sleeve. The first face of the sleeve is provided with the flange. The second face of the sleeve is provided with the unmovable ring. The sleeve receives the electric motor that is secured inside it and is provided with working wheel. The locking units are detachable and are made of axial projections secured to each of the disks arranged from both faces of the housing. Each axial projection has axial opening provided with the collar having inner thread. The axial opening receives the screw provided with conical surface at its face and screwed in the collar. Each axial projection is provided with radial opening that intersects the axial opening. Two pins are arranged from both sides of the axis of the axial opening. The first face of the pins cooperates with the conical surface of the screw. The second face cooperates the inner cylindrical side of the housing.

EFFECT: reduced sizes.

1 cl, 3 dwg