An oxygen supply system providing an adequate oxygen supply mode in an aircraft. A preventive oxygen supply system includes an oxygen source, a preventive oxygen dispensing unit connectable to the oxygen source, a cabin altitude detection device, and a preventive oxygen control device provide at least the following modes: a pre-wear mode providing no oxygen of the oxygen source to the preventive oxygen dispensing unit but normal cabin air; a pre-oxygenation mode providing a predetermined rate of oxygen of the oxygen source to the preventive oxygen dispensing unit sufficient for generating a pre-oxygenation condition of the user; and a decompression mode providing high concentrated oxygen of the oxygen source to the preventive oxygen dispensing unit sufficient for ensuring a minimum oxygenation of the user. The preventive oxygen control device automatically switches to the decompression mode in case a predetermined cabin altitude threshold is detected by the cabin altitude detection device.
OXYGEN SUPPLY SYSTEM AND METHOD FOR PROVIDING AN ADEQUATE OXYGEN SUPPLY MODE IN AN AIRCRAFT
2017-01-05
Patent
Electronic Resource
English
OXYGEN SUPPLY SYSTEM AND METHOD FOR PROVIDING AN ADEQUATE OXYGEN SUPPLY MODE IN AN AIRCRAFT
European Patent Office | 2017
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