FIELD: fans.
SUBSTANCE: disclosed is fan impeller, which can be driven in only one direction of rotation and in which fan blades can switch relative to transition plane perpendicular to plane of rotation, by rotation of the fan impeller under the action of inertia and by action of aerodynamic forces on the fan blades, as a result of which the flow direction of the fan blades is changed to the opposite one.
EFFECT: disclosed is a fan impeller.
3 cl, 4 dwg
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