FIELD: turbomachines; steam turbines where working medium expands in rotor only. SUBSTANCE: steam turbine has cavity with high- and low-pressure chambers separated by gas labyrinth and rotor housed in cavity together with its working elements made in the form of S-shaped channel. Channel is made in rotor body in the form of contraction which turns into diffuser in neck. Center of cross-sectional area of neck is located on axis of revolution of rotor. Longitudinal plane of channel crossing its axial line is tilted through certain angle to axis of revolution of rotor. EFFECT: improved design. 3 dwg
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