Cleaner
US11191404B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2019 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | May 21, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C2009/005
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cleaner comprising: a housing having the shape of a hollow cylinder, a barrier for dividing the inner space of the housing into an upper space and a lower space; a barrier through-hole provided so as to penetrate the barrier; an intake portion provided on the circumferential surface of the housing; an exhaust portion provided to penetrate the housing; a housing discharge port penetrating the bottom surface of the housing; a cover for closing the housing discharge port; an alien-substance separating portion provided in the lower space so as to provide a channel that guides air introduced to the intake portion to the barrier through-hole; a fan provided to comprise an impeller positioned in the upper space; a rotating shaft to which the impeller is fixed, and a motor for rotating the rotating shaft; and a storage portion provided to be attachable to/detachable from the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.