PASSENGER CAR VENTILATION SYSTEM Russian patent published in 2016 - IPC B61D27/00 B60H1/00 

FIELD: ventilation.

SUBSTANCE: invention relates to air ventilation and conditioning in passenger cars and can be used to make comfortable conditions for passengers in car cabins. Passenger car ventilation system is made as system of mechanical plenum ventilation, is equipped with gas-dynamic device in form of blower, consisting of biconvex barriers-shields arranged at angle to external air intake grid and perpendicular to incoming air flow, located along perimeter of external air intake grid throughout its width, and equipped with external air feed pipes with valve to shut off outside air supply nozzle when direction of train with cars motion is changed.

EFFECT: provision of required air exchange with reduction of air overpressure, which reduces power consumption for the required air flow rate in ventilation system, higher operating performances of ventilation system in various directions and speeds of train with cars.

1 cl, 2 dwg