Vacuum cleaner
US10271702B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2017 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Sep 17, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D50/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vacuum cleaner, including a cleaner body; and a dust collector provided in the cleaner body, wherein the dust collector includes a first cyclone provided within an outer case to filter foreign matter and dust from air introduced into the dust collector; a second cyclone accommodated within the first cyclone to separate fine dust from the air introduced into the first cyclone; and a rotatable shell provided at a lower side of the first cyclone so as to define a first storage section configured to collect foreign matter and dust filtered by the first cyclone between the rotatable shell and the outer case, and wherein the rotatable shell includes a roller facing a lower cover that covers a lower opening of the outer case, the other configured to contact the foreign matter and dust collected in the first storage section during the rotation of the rotatable shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.