Vacuum cleaner has suction mouth into which short pulses of air are injected to dislodge particles which would otherwise not be sucked up

摘要

The suction mouth of the vacuum cleaner has an input channel into which short pulse of air are injected. The pulses of air dislodge small particles which the suction alone will not move. The dislodges particles are then sucked up by the normal operation of the vacuum cleaner.