Method for extracting dust particles from the suction air stream of a vacuum cleaner has a centrifugal separator by which the particles enter a dust collection system and the cleaned air is returned to the environment

摘要

The suction tube (12) is connected to the centrifugal separator (2) which has a conical (15) base to induce swirling of the air by which the dust is separated and delivered to a collection system (18) and the clean air is delivered through a tube (17) to the atmosphere.