Mixed flow fan
A mixed-flow fan and air duct technology, which is applied in the direction of ventilation systems, mechanical equipment, machines/engines, etc., can solve the problems of reduced fan life, corona hazards, overheating, etc., and achieve the effect of reducing vibration and meeting performance requirements
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[0035] The first embodiment of the present invention provides a mixed flow fan suitable for heat dissipation of locomotive inverters. It should be clear that the mixed flow fan can also be used in other similar occasions.
[0036] Please see figure 1 , which is a half-sectional view of the left side of the mixed-flow fan provided by the first embodiment of the present invention. and see also figure 2 , the figure is the front view of the mixed flow fan. The front view direction of the above-mentioned views refers to the direction of viewing the fan from the fan outlet side along the fan axis.
[0037] It can be seen from the figure that the mixed-flow fan includes a drive motor 1 , an impeller 2 , an air cylinder 3 , a guide vane cylinder 4 and guide vanes 11 .
[0038]Wherein, both the air cylinder 3 and the guide vane cylinder 4 are cylindrical, and the diameter and length of the air cylinder 3 are larger than the guide vane cylinder 4 . A plurality of arc-shaped guide...
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