Noise reduction arrangement for a vacuum cleaner
US4773118A · kind A · utility
7Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1988 |
| Grant date | Sep 27, 1988 |
| Priority date | — |
| Expiry date | Jan 11, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/22
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
In a vacuum cleaner comprising a suction fan and a motor for driving the fan, a noise reduction wall construction is provided in front of and spaced from the inlet of the fan. The wall construction comprises two parallel, mutually spaced wall panels which by means of intermediate spacer means are firmly interconnected to form a rigid unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.