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Application filed by Prerovske Strojirny NpfiledCriticalPrerovske Strojirny Np
Priority to CS687888ApriorityCriticalpatent/CS274971B2/en
Publication of CS274971B2publicationCriticalpatent/CS274971B2/en
The inlet pipe (2) of the fluid opens into the bent spiral area by the external part of its section, while the spiral area is formed by the outer part of the ceiling (3) and outer wall (1), which has the same bend in the location of the opening as the surface line of the conical hopper (5), which joins it in the lower part, or differs at most by +-25 degrees, while this outer wall (1) of the bent spiral area passes into the shape of the cylindrical wall (4) in the flowing direction of the fluid.<IMAGE>