AXIAL-FLOW FAN Russian patent published in 2004 - IPC

FIELD: aircraft industry and rocketry.

SUBSTANCE: invention can be used in temperature control systems of aircraft and rocket articles to provide higher adaptability to assembling and reduced overall dimensions. According to invention, fan fastening is made in form of groove on outer cylindrical surface of electric motor from side close to shaft, and split ring is fitted in groove. Pressure ring with stop is installed on section of cylindrical surface of electric motor between groove and end face of motor from side of shaft. Stop of pressure ring is in contact with said end face. Screws are arranged in axial holes made in pressure and split rings, their heads being pointed to impeller.

EFFECT: improved adaptability of manufacture.