OXYGEN SUPPLYING CIRCUIT FOR AN AIRCRAFT CREW MEMBER
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Nov 9, 2005
filing date -
Nov 9, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a breathing apparatus for an aircraft crew member, said apparatus comprising at least one breathing mask (620) provided with a demand regulator (810), said demand regulator being linked through a feedline to a central source of oxygen enriched air (600), so that oxygen enriched air is supplied to said breathing mask, and pressure regulating means (601,602,603, 604) provided on said feedline between said central source and said demand regulator and adapted, to level the pressure fluctuations of said oxygen enriched air supplied to said breathing mask.
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