FIELD: engines and pumps.
SUBSTANCE: device (100) for air passage, in particular, fan with filter or outlet filter for installation in lead hole in wall or body of distribution switchboard, which substantially consists of air grid (10) and main body (20), where flat filter (40) is installed between air grid (10) and main body (20), at that air grid (10) is located on the main body (20) with the help of hinged joint (30), besides, air grid (10) contains hinged fingers (11) for creation of hinged joint (30), every of which may be guided in guide structures for hinged finger inserted in the main body, at that every of guide structures for hinged finger connects at least one closed position, one bent position and one detachable position together.
EFFECT: simplicity of design, high flexibility in servicing of air grid and flat filter.
12 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| AIR PASSAGE DEVICE | 2007 |
|
RU2342567C1 |
| DEVICE FOR FLOWING AIR | 2004 |
|
RU2281421C2 |
| DEVICE FOR AIR PASSAGE | 2007 |
|
RU2353819C1 |
| AIR PASSAGE DEVICE WITH CONTROL ELEMENT | 2007 |
|
RU2352825C1 |
| CLOSING DEVICE FOR FRONT SECTION OF AIR TRANSMITTING DEVICE, AND AIR TRANSMITTING DEVICE | 2007 |
|
RU2340837C1 |
| FILTERING FAN | 2007 |
|
RU2348835C1 |
| FILTERING FAN WITH QUICK ATTACHING DEVICE | 2007 |
|
RU2343323C1 |
| AIR-CONDITIONING SYSTEM, IN PARTICULAR, FOR SWITCH-GEAR CABINETS | 2004 |
|
RU2276310C2 |
| FILTERING FAN WITH DEVICE FOR FAST SECURING IN PLACE | 2007 |
|
RU2349797C1 |
| VACUUM CLEANER | 2010 |
|
RU2500331C2 |
