WASHING MACHINE ACTIVATOR Russian patent published in 1995 - IPC

FIELD: washing of textile articles. SUBSTANCE: activator has disk with smooth circular surface, placed in activator center and branching-off radial blades. Activator is provided with additional blades fitted between main ones, their height being maximum 0.6 of main blades and spaced 0.8-0.9 of activator disk radius from activator center. In their sectional area over external outline, blades are shaped as two branches of equilateral hyperbola gradually joined together at apex. Length of additional blades is 0.3-0.5 of that of main blades. On underside of disk, activator is provided with annular and radial stiffening ribs whose height does not exceed that of activator. Radial ribs are symmetrically arranged among main and additional blades. EFFECT: improved washing efficiency. 4 cl, 4 dwg