ALIMENTATION D'URGENCE EN OXYGÈNE POUR PASSAGERS DANS UN AÉRONEF OU AÉRONEF ÉQUIPÉ D'UNE TELLE ALIMENTATION D'OXYGÈNE D'URGENCE POUR PASSAGERS

摘要

The emergency oxygen supply for passengers in an aircraft comprises an oxygen source (1) with a number of pulse breathing masks (4) which are conductively connected to the oxygen source, wherein an individual shut-off valve (8) which in the non-actuated condition is switched to block is provided in each conduit (5) to a breathing mask. The emergency oxygen supply moreover comprises an impulse breathing control for actuating each individual shut-off valve, as well as an auxiliary conduit (6) which connects the oxygen source to the breathing masks whilst bypassing the individual shut-off valves (8) and which in each case via a check valve (14) is connected to the respective conduit which leads to the breathing mask, or to the breathing mask itself. The auxiliary conduit is connected to the oxygen source via a central shut-off valve (12) which is switched to open in the non-actuated condition.