FIELD: oil industry. SUBSTANCE: cylindrical vortex chamber 1 has central channel 2 and radial channel 3. Diode has outlet channel 4 forming control jet 5 and control channel 6. Axial line of channel 6 has no points of intersection with cylindrical wall of vortex chamber 1. Control channel 6 and outlet channel 4 communicate with radial channel 3 and are arranged at different sides from radial channel 3. Control channel 6 is arranged coaxially with outlet channel 4 to provide deflection and delivery of control jet through radial channel 3 into cylindrical vortex chamber 1. EFFECT: enlarged operating capabilities. 1 dwg
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