MIXER ACTUATOR Russian patent published in 1995 - IPC

FIELD: mixing of liquids. SUBSTANCE: mixer actuator consists of shaft with blades secured to shaft in two points. Blade section chord is directed to shaft axis at an angle of . Angle γ₂ between planes of end faces of blades positioned in lower part of shaft and plane of end faces of blades positioned in upper part of shaft is less than 90 deg. Development of one blade on plane is made in the form of part of ring with middle line formed by part of monotonic curve. Middle line angle β, which is measured along line connecting extreme points of end faces is . Made at end face is perforation. Perforation may be made in plane of development body. Besides, perforation may be made along edges of development at end face. Other perforation may also be made in plane of blade development body on plane and along its edges. Developments of blades onto plane may be positioned uniformly along circumference at angle Ψ and connected to each other through their end faces used for securing blades to shaft at an angle of 90 deg to its axis. EFFECT: improved efficiency. 5 cl, 30 dwg