Heating and ventilation device for a railway carriage constituted by two end compartments with a single deck and a central compartment with two decks

摘要

The present invention relates to a heating and ventilation device for a railway car composed of two end compartments (A, B) in a single stage and a central compartment (C) in two stages (C1, C2) comprising, in the upper part of each end compartment, a group of heating and ventilating (1A, 1B) feeding a transverse distribution duct (3A, 3B) connected to two longitudinal ducts (4A, 5A; 4B, 5B) blowing in the end compartment and two other longitudinal ducts (10A, 11A; 10B, 11B) in a blowing stage of the central compartment, characterized in that the four longitudinal ducts (10A, 11A, 10B 11B) blowing into the central compartment are situated in two casings (20) forming structure for the second story floor, the two sheaths of a same group being provided with vertical appendices sheaths (12).; Special Application to rail vehicles for urban transport.