Ventilating equipment for rolling stock.

摘要

The present invention relates to a ventilating equipment for high speed rolling stock An object of the present invention is to regulate a change in pressure within the vehicle resulting from a change in pressure outside to avoid passengers to feel uncomfortable. The present invention is characterized in that with the change of the outside vehicle pressure some areas of the air flow passages of the air supply equipment and exhaust air equipment are adjusted. Thus the present invention proposes means for adjusting the airflow passage areas of the air supply equipment and exhaust air equipment when the pressure outside vehicle changes. The propagation of the pressure from outside into the vehicle can be regulated.