Electric vacuum cleaner
US10213079B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2014 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Aug 3, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D45/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An electric vacuum cleaner that can be improved in quietness without increasing in size while securing air intake balance. The electric vacuum cleaner includes an electric blower. The electric vacuum cleaner includes a separating part that separates dust sucked by the electric blower. The separating part includes a first centrifugally separating part that centrifugally separates dust sucked by the electric blower. The separating part includes a plurality of second centrifugally separating parts that centrifugally separates dust smaller than dust to be separated by the first centrifugally separating part. The second centrifugally separating parts communicate with the downstream side of the first centrifugally separating part, and are disposed at positions opposite to each other with respect to the electric blower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.