FAN Russian patent published in 2020 - IPC F04D25/08 

FIELD: ventilation and air conditioning.

SUBSTANCE: fan including main housing (12) with vertical arrangement relative to support base (18), on which it is in working condition. Fan has longitudinal hole (16) located on rear side for air flow (W) outlet outside, and also comprises unit (14) for air suction and distribution and guide element (20), located near longitudinal hole (16). Guide element (20) allows to direct said air flow (W) to front part of fan (10), at least partially following profile (40) of outer surface (22) of main body (12).

EFFECT: fan assembly is proposed.

15 cl, 4 dwg