Dust collector for vacuum cleaner
US10492652B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Jun 23, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C3/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dust collector for a vacuum cleaner disclosed herein includes an outer case forming a lateral appearance of the dust collector, and provided with a first cyclone unit capable of filtering out dust from externally-introduced air and allowing an introduction of the dust-filtered air therein, and an upper case coupled to an upper portion of the outer case to cover the first cyclone unit, the outer case including a second cyclone unit capable of separating fine dust from the air introduced into the first cyclone unit, and a fine dust collecting unit capable of collecting the fine dust separated through the second cyclone unit, wherein the second cyclone unit includes a left cyclone portion and a right cyclone portion disposed at both left and right sides of the fine dust collecting unit and each having outlets, each of the outlets communicating with an inside of the fine dust collecting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.