| 摘要 |
FIELD: ventilation. ^ SUBSTANCE: section is designed for air cleaning. The section includes a front air inlet and upper air inlet, front air filter and upper air filter, placed correspondingly opposite to the front air inlet and upper air inlet, a framework of the front air inlet meant for keeping the front air filter and providing with support for the front air filter with the possibility of being moved in the direction of the upper air inlet, a framework of the upper air inlet meant for keeping the upper air filter and providing with support for the upper air inlet with the possibility of being moved in the direction of the front air inlet, front transfer mechanism, upper transfer mechanism and cleaning device having a rotary brush meant for dusting the front air filter and upper air filter, and dust collection unit. The front and upper mechanism provides with displacement of the front air filer and upper air filter respectively towards the cleaning device by turns. ^ EFFECT: improvement of delivery air quality. ^ 4 cl, 11 dwg |
