| 摘要 |
An on-board oxygen generating system (20) is provided, which includes an air supply duct (24), a breathing gas duct (26), and an oxygen generator (28) fluidly coupled between the air supply duct (24) and the breathing gas duct (26). The oxygen generator (28) is configured to enrich the oxygen content of air flowing from the air supply duct (24) to the breathing gas duct (26). A drain valve assembly (22) is fluidly coupled to the air supply duct (24) and configured to move between: (i) an open position wherein condensation may drain from the air supply duct (24), and (ii) a closed position.
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