Oxygen emergency supply for passengers in an aircraft or aircraft with such an emergency oxygen supply for passengers
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United States of America Patent
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Feb 21, 2023
Grant Date -
Jul 9, 2020
app pub date -
Jan 3, 2019
filing date -
Jan 3, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
The emergency oxygen supply for passengers in an aircraft comprises an oxygen source with a number of pulse breathing masks which are conductively connected to the oxygen source, wherein an individual shut-off valve which in the non-actuated condition is switched to block is provided in each conduit 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 which connects the oxygen source to the breathing masks whilst bypassing the individual shut-off valves and which in each case via a check valve 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 which is switched to open in the non-actuated condition.
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