Vacuum cleaner
US11311162B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Apr 29, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/1683
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner including a cleaner body; and a dust collector provided in the cleaner body, wherein the dust collector includes an outer case forming a side appearance of the dust collector; a first cyclone provided within an outer case to filter dust and foreign matter 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 an upper cover mounted on a top of the outer case to cover the first and second cyclones and having an intake guide configured to introduce air into the outer case and an exhaust guide configured to discharge air from which fine dust is separated by the second cyclone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.