Emergency oxygen supply system for an aircraft
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Dec 9, 2004
app pub date -
May 21, 2004
filing date -
May 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An emergency oxygen supply system for an aircraft provides that oxygen may be made available additionally to the breathing gas supply which is brought along on board the aircraft. A gas distribution system supplies breathing masks with oxygen from one of a first oxygen source in the form of a pressurized gas source or a chemical oxygen generator. A second oxygen source is in the form of a molecular sieve bed arrangement. A change-over device selectively connects the gas distribution system to the first oxygen source or to the second oxygen source. A measurement probe delivers a status signal corresponding to a predefined flight altitude. A control unit delivers a change-over signal from the first oxygen source to the second oxygen source to the change-over device given the presence of the status signal.
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