FIELD: machine building.
SUBSTANCE: stage of rotary vortex machine includes two stators and one rotor that is located between stators. Toroid-shaped working cavity is formed between rotor and each of the stators. Blades connected to stator and divider connected to rotor is arranged in each cavity. In rotor there made is at least one discharge passage in the form of through longitudinal slot with parallel walls located along rotor radius.
EFFECT: invention allows increasing operating efficiency of stage owing to amplifying vortex motion in working cavities.
3 cl, 4 dwg
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