Vacuum cleaner having an ion generator
US7174593B2 · kind B2 · utility
8Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2002 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Jan 21, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0613
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes an electric blower for generating a suction air flow, a suction head in communication with the electric blower for drawing in dirt, a filter bag communication with the electric blower for capturing and collecting dirt, an exhaust unit for discharging exhaust air from the electric blower to atmosphere, and an ion generator for generating negative ions and/or positive ions. The ion generator is placed between the suction head and the filter bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.