Filter-fan unit
US7670397B2 · kind B2 · utility
4Cited by
50References
36Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2006 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Dec 6, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F8/108
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A filter-fan unit has a housing, at least one fan arranged in the housing, and at least one filter connected to the housing. The housing is transferable from a transport/storage position into a position of use, wherein the transport/storage position is significantly smaller than the position of use. The housing is foldable from the transport/storage position into the position of use. The housing has a housing frame and one or more sidewalls connected with one side to the housing frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.