FIELD: mechanical engineering. SUBSTANCE: vortex tube includes tangential nozzle with volute, separation chamber, diaphragm and throttle valve with reflector. Reflector may be provided with pointed edges. Reflector is concave in cup-shaped form. Projection may be provided in center of reflector. Projection may be smoothly engageable with concave surface of reflector; projection may be also provided with hole located along axis of reflector. EFFECT: increased cooling capacity of tube. 5 cl, 7 dwg
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