An automatic washing device includes a plurality of fluidic oscillators arranged on the periphery of a rotating drum. The fluidic oscillators emit a pulsatile stream of fluid at a predetermined angle through a slit that is perpendicular or at an angle to a longitudinal axis of the oscillator. The automatic...http://www.google.com/patents/US8191803?utm_source=gb-gplus-sharePatent US8191803 - Automatic washing device with fluidic oscillator
