Floor cleaning apparatus with dirt detection sensor
US7509707B2 · kind B2 · utility
15Cited by
19References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 2006 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Jun 18, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/19
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes a housing that carries a suction inlet, a dirt collection vessel, a main filter compartment and a suction generator. The main filter is received in the main filter compartment. An airflow pathway connects the suction inlet, the dirt collection vessel, the main filter compartment and the suction generator. A dirt detection sensor is provided in the airflow pathway between the dirt collection vessel and the main filter compartment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.