Rotary air jet screen cleaning device
US5173987A · kind A · utility
9Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1991 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Apr 12, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L5/38
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
In a vacuum cleaning system in which the top dome and receiving shell are separated by a screen, a screen cleaning system comprising an air knife having a coanda profile rotatably arranged in the dome adjacent the screen. The vacuum cleaning system is selectively actuated in accordance with a timed program to clean lint and debris from the screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.