VEHICLE BODY WITH PASSENGER CABIN AND EXHAUST FAN SYSTEM FOR VEHICLE CABIN Russian patent published in 2019 - IPC B60R13/00 

FIELD: ventilation.

SUBSTANCE: invention relates to vehicle ventilation systems. Body for vehicle has passenger cabin including external panel of body with opening of exhaust fan and inner finishing panel. Finishing panel is a lining installed on the panel of the body, defining a flat extending in transverse direction chamber between them. Finishing panel, which can be made of sound-absorbing material, has an air channel connecting the chamber in fluid communication with the passenger cabin. Air channel is transversely separated from the area of the seat of the finishing panel, which is leveled with the opening of the exhaust fan. Area of the seat has a wavy surface facing the aperture of the exhaust fan, for attenuation of noise, which penetrates into the chamber through the opening of the exhaust fan. Wavy surface can have the shape of a container with eggs cells.

EFFECT: reduced noise propagation through exhaust fans.

7 cl, 12 dwg