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Take a standard vacuum cleaner, add an ultrasonic transmitter to the head of the cleaner, the ultrasonic waves will vibrate and loosen the dirt particles, making for more efficient vacuuming.
||I mean this to be a dry vacuum cleaner for everyday use, not a "wet" system. Although I now think ultrasonic might be the wrong choice of frequency, perhaps a lower frequency would work better, this idea is meant to replace those "turbo head brushes" which over time must damage carpet?