Dust collector for vacuum cleaner
US10925452B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2015 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Mar 10, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C5/28
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present disclosure discloses a dust collector for a vacuum cleaner including a first cyclone installed within an outer case to filter out dust from air inhaled from an outside thereof and introduce the air from which dust has been filtered out into an inside thereof, a plurality of second cyclones accommodated in the inside of the first cyclone to separate fine dust from the air introduced to the inside of the first cyclone, and a cover member disposed to cover an inlet of the second cyclone, wherein cyclones disposed adjacent to each other among the first and the second cyclones limit a first space within the first cyclone, and the cover member forms a second space communicating with the first space between the inlet and the cover member, and a guide vane extended in a spiral shape along an inner circumference thereof is provided at the inlet to induce rotational flow in air introduced to an inside of the second cyclone through the first and the second space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.