| 摘要 |
PURPOSE: System adaptive structure of an axial flow fan is provided to improve performance of the system in rotating the axial flow fan and to reduce noise by cutting the leading edge of the fan according to the system and fixing the cut portion to the leading edge. CONSTITUTION: An axial flow fan comprises a cut fan(15) deformed and cut in the end of a leading edge(10); a screw assembling the cut fan with the cut portion of the leading edge; screw holes formed in the cut portion of the leading edge and the cut portion of the cut fan to fix the screw; an uneven leading edge part arranged in the cut portion of the leading edge to fix the cut fan to the cut portion of the leading edge; an uneven part engaged with the uneven leading edge part and formed in the cut portion of the cut fan; and a slit combined with the groove in engaging the uneven leading edge part with the uneven part.
|
