Patent ID: 7882593

Claim:
A cyclone separator for a vacuum cleaner, the cyclone separator comprising: a debris container having an open end, a closed end, a sidewall extending from the open end to the closed end, and a cyclone inlet through the sidewall; a filter insert having an end wall adapted to abut the open end of the debris container on a first side of the cyclone inlet, a cyclone outlet through the end wall, and a filtering portion extending inside the debris container from the end wall to a point past the cyclone inlet, the filtering portion comprising one or more filters through which air can pass to travel from the cyclone inlet to the cyclone outlet; a partition wall extending from the filter insert towards the sidewall on a second side of the cyclone inlet, the second side being opposite the first side such that the cyclone inlet is located between the end wall and the partition wall; a first directing portion extending from the partition wall towards the closed end of the debris container; and a second directing portion extending from the end wall towards the closed end of the debris container; wherein the first directing portion and the second directing portion direct airflow in the dirt container in a helical direction around the filter insert.