Importance

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Abstract

A dust-air separation device and vacuum cleaner comprises a housing with an air inlet channel, a cyclone separation chamber, and a dust collection chamber, the air inlet channel and the dust collection chamber are connected to the cyclone separation chamber, and an air outlet is formed on the housing; the inner peripheral wall of the cyclone separation chamber is provided with an air deflector extending along the flow direction of the airflow in the cyclone separation chamber. A first separator and the second separator are respectively located on opposite sides of the air deflector along the axial direction of the cyclone separation chamber, and the first separator and the second separator are both connected to the air outlet. The dust-air separation device reduces filter clogging and sudden drops in suction power such that the device has better vacuuming performance.

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First Claim