AIR DISTRIBUTING BOX OF HEATED AIR CURTAIN AND HEATED AIR CURTAIN WITH IT Russian patent published in 2020 - IPC B61D27/00 B60H1/00 F24F9/00 

FIELD: ventilation.

SUBSTANCE: present group of inventions relates to heated air curtain devices of vehicles, in particular electric train car. Air distributing box of heated air curtain of vehicle is made with possibility of vertical arrangement and extended in vertical direction. Area of cross-section of the upper end of the box is greater than the cross-sectional area of the lower end of the box. Upper end of the box is configured to be connected to a channel through which air is supplied to create a curtain. Along an extended part of the box there is a slot for air outlet. Slot is equipped with slotted nozzle made up of two plates communicated to allow air to be blown there through. Between the plates along the entire length there are distributed guides, which have different angle of inclination relative to the horizontal. Inclination angle is the greater the closer the guide is to the bottom end of the box. Heated air curtain of vehicle includes one or several mentioned air dispensing boxes.

EFFECT: reduced length of air distributing box of heated air curtain with simultaneous preservation of screening properties of curtain and improved convenience of its installation.

8 cl, 2 dwg