Upright vacuum cleaner
US7757344B2 · kind B2 · utility
24Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2005 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Apr 29, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner is provided that includes a cleaner body, a multi cyclonic (including a primary cyclone and at least one secondary cyclone), a suction source having a suction source inlet and a suction source outlet, a main filter assembly including a main filter element, a discharge member having an opened upper end coupled to a peripheral edge of a primary airflow outlet and a closed lower end, and a guide rib provided at the primary cyclone for guiding the airflow in a direction tangential to an inner peripheral wall surface of the primary cyclone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.