FAN Russian patent published in 2020 - IPC F04D25/08 

FIELD: ventilation and air conditioning.

SUBSTANCE: fan comprises main housing (12) with vertical arrangement relative to support base (18), on which it is in working condition, including inner cavity (13). Fan has longitudinal hole (16) located on rear side for air flow (W) outlet outside, and also comprises unit (14) for suction and air distribution, located in at least in main part above longitudinal hole (16), as well as guide element (20), located near longitudinal hole (16) and interacting with it, providing release of air flow (W) through said longitudinal hole (16), so that said air flow (W) moves along outer surface (22) of main body (12) and is directed to front part of fan.

EFFECT: fan assembly is proposed.

17 cl, 6 dwg