Patent ID: 9226631
Filing Date: 2016-01-05
CPC Classification: A47L

Claim Text:
1. A cyclone separator comprising: a primary cyclone portion including a primary inlet through which air containing dust sucked from outside enters, a primary swirl chamber that swirls the air containing dust sucked in from the primary inlet to separate dust from the air containing dust, a primary dust case that collects the dust separated by the primary swirl chamber from a primary opening portion provided in a lower part of the primary swirl chamber, and a primary outlet that discharges the air in the primary swirl chamber; and a secondary cyclone portion including a secondary inlet through which air discharged from the primary outlet enters, a secondary swirl chamber that swirls the air sucked in from the secondary inlet to further separate dust from the air, a secondary dust case that collects the dust separated by the secondary swirl chamber from a secondary opening portion provided in the secondary swirl chamber, and a secondary outlet that discharges the air in the secondary swirl chamber, wherein the primary cyclone portion includes a zero-order dust case that collects the dust separated by the primary swirl chamber from an opening portion provided in a side wall of the primary swirl chamber, and the zero-order dust case is placed so as to abut and cover at least a part of the secondary swirl chamber in the secondary cyclone portion.